Intercom system, control method, and program

Abstract

We provide intercom systems that can improve security in apartment buildings. [Solution] The intercom system 100 comprises an intercom device 1, a lobby intercom 2, and a control device 3. The lobby intercom 2 has an imaging unit 24, a processing unit 25, a first recording unit 28, and a first control unit 20. The imaging unit 24 captures images of visitors and authentication codes and outputs images. The processing unit 25 acquires two types of images from the imaging unit 24 and processes the images. The control device 3 has a second control unit 30 and a second recording unit 32. The two types of images include a first image capturing a visitor and a second image capturing an authentication code. The first control unit 20 has a visitor response mode for calling residents of the dwelling unit and a code authentication mode for authenticating an authentication code. The first control unit 20 records at least one of the first image in visitor response mode and the first image in code authentication mode in the first recording unit 28 or the second recording unit 32.

Description

Technical Field

[0001] The present disclosure generally relates to an intercom system, a control method, and a program, and more particularly, to an intercom system including an intercom device, a lobby intercom, and a control device, a control method for controlling the intercom system, and a program for the control method.

Background Art

[0002] An apartment house intercom system described in Patent Document 1 will be exemplified. The apartment house intercom system includes a communal entrance unit (lobby intercom), a room master unit (intercom device), a management room master unit, an entrance sub-unit, and a control unit. In the apartment house intercom system, when the unlocking ID recorded in the portable terminal of the delivery person is read by the reading unit of the communal entrance unit, the unlocking ID is input to the communal entrance unit CPU of the communal entrance unit. Further, in the apartment house intercom system, when the unlocking ID is input to the communal entrance unit CPU, the video imaged by the camera of the communal entrance unit is recorded by the control unit, and if the unlocking ID is correct and the face of the delivery person is detected from the video of the camera, the entrance door is unlocked.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] In the apartment house intercom system described in Patent Document 1, since the entrance door can be unlocked without the resident of the apartment house responding, for example, it may be difficult to grasp who unlocked the entrance door, and there is a security concern.

[0005] The purpose of this disclosure is to provide an intercom system, control method, and program that can improve security in apartment buildings. [Means for solving the problem]

[0006] An intercom system according to one aspect of the present disclosure comprises an intercom device, a lobby intercom, and a control device. The intercom device is installed in a dwelling unit of an apartment building. The lobby intercom is installed in the lobby of the apartment building and performs locking and unlocking of the lobby. The control device controls the intercom device and the lobby intercom. The lobby intercom has an imaging unit, a processing unit, a first recording unit, and a first control unit. The imaging unit captures images of visitors and authentication codes and outputs images. The authentication codes are owned by the visitors. The processing unit acquires two types of images from the imaging unit and processes them. The first recording unit records the images of the visitors. The first control unit controls the imaging unit, the processing unit, and the first recording unit. The control device has a second control unit and a second recording unit. The second control unit controls the intercom device and the lobby intercom. The second recording unit records the images of the visitors. The two types of images include a first image capturing the visitor and a second image capturing the authentication code. The first control unit has a visitor response mode for calling the resident of the dwelling unit and a code authentication mode for authenticating the authentication code. The first control unit is configured to operate by switching its operating mode between the visitor response mode and the code authentication mode. The first control unit records at least one of the images, the first image in the visitor response mode and the first image in the code authentication mode, in the first recording unit or the second recording unit.

[0007] A control method according to one aspect of the present disclosure is a control method for controlling an intercom system comprising an intercom device, a lobby intercom, and a control device. The intercom device is installed in a dwelling unit of an apartment building. The lobby intercom is installed in the lobby of the apartment building and performs locking and unlocking of the lobby. The control device controls the intercom device and the lobby intercom. The control method includes an imaging step, a processing step, a control step, and a recording step. In the imaging step, an image of a visitor and an authentication code possessed by the visitor is captured and an image is output. In the processing step, two types of images output in the imaging step are acquired and image processing is performed. In the control step, the system operates by switching between one of two operating modes: a visitor response mode for calling a resident of the dwelling unit and a code authentication mode for authenticating the authentication code. In the recording step, at least one of an image of the visitor captured in the visitor response mode and an image of the visitor captured in the code authentication mode is recorded.

[0008] A program according to one aspect of this disclosure causes one or more processors to execute the control method. [Effects of the Invention]

[0009] According to one aspect of this disclosure, security in apartment buildings can be improved. [Brief explanation of the drawing]

[0010] [Figure 1] Figure 1 is a system configuration diagram of the intercom system according to Embodiments 1 and 3. [Figure 2] Figure 2 is an explanatory diagram illustrating an image processed by the processing unit in the intercom system according to Embodiment 1. [Figure 3] Figure 3 is a flowchart illustrating the operation of the intercom system described above. [Figure 4] Figure 4 is a system configuration diagram of the intercom system according to Embodiment 2. [Figure 5]Figure 5 is an explanatory diagram illustrating the image processed by the first processing unit and the image processed by the second processing unit in the same intercom system. [Figure 6] Figure 6 is an explanatory diagram illustrating the image processed by the processing unit and the image generated by the external camera in relation to the intercom system according to Embodiment 3. [Modes for carrying out the invention]

[0011] The intercom systems according to Embodiments 1 to 3 will be described below with reference to the drawings. The configurations described in each of the embodiments below are merely examples of this disclosure. This disclosure is not limited to the embodiments below, and various modifications are possible depending on the design, etc., as long as the effects of this disclosure can be achieved.

[0012] (Embodiment 1) The intercom system according to Embodiment 1 will be described below with reference to Figures 1 to 3.

[0013] (1) Intercom system The intercom system 100 according to Embodiment 1 (see Figure 1) is, for example, an intercom system for multi-unit dwellings (e.g., condominiums). Note that multi-unit dwellings are not limited to condominiums; they may also include other types of housing, such as apartments.

[0014] The intercom system 100 includes, for example, an intercom device 1, a lobby intercom 2, and a control device 3. There are multiple intercom devices 1. Since the configuration of multiple intercom devices 1 is the same, unless otherwise specified, the following description will refer to a single intercom device 1.

[0015] The intercom device 1 is installed, for example, inside a residential unit in an apartment building. The intercom device 1 is configured to be able to communicate with the lobby intercom 2. Also, the intercom device 1 is configured to be able to communicate with an intercom handset 14 described later. Hereinafter, for convenience of explanation, the intercom device 1 may also be referred to as the "intercom master unit 1" or simply the "master unit 1".

[0016] The lobby intercom 2 is installed, for example, in the lobby (shared entrance) of an apartment building. The lobby intercom 2 is configured to call the resident of the residential unit and be able to communicate with the intercom master unit 1. Also, the lobby intercom 2 is configured to lock and unlock an electric lock 90 provided on the lobby door.

[0017] The control device 3 controls the intercom master unit 1 and the lobby intercom 2.

[0018] Also, the intercom system 100 includes, for example, an intercom handset (doorbell) 14, a gateway 4, a plurality (two in the example of FIG. 1) of servers 5, 6, and a communication terminal 8. The number of intercom handsets 14 is plural. The plurality of servers 5, 6 includes, for example, a first server 5 and a second server 6. Since the configurations of the plurality of intercom handsets 14 are common, hereinafter, unless otherwise specified, one intercom handset 14 will be described.

[0019] The intercom handset 14 is installed, for example, outside the residential unit (the outer entrance of the residential unit). The intercom handset 14 is configured to call the resident and be able to communicate with the intercom master unit 1. Hereinafter, for convenience of explanation, the intercom handset 14 may also be simply referred to as the "handset 14".

[0020] The gateway 4 is configured to be able to communicate between the lobby intercom 2 and the first server 5 via the control device 3.

[0021] The first server 5 manages information about the apartment units in the apartment complex (e.g., apartment number, building number, etc.). The first server 5 has a recording unit 51, which records information about the apartment units in the apartment complex. The second server 6 is a different server from the first server 5.

[0022] The communication terminal 8 is configured to perform wireless communication, for example, using radio waves as a medium. The communication terminal 8 is, for example, a smartphone. The communication terminal 8 may also be a communication terminal owned by a resident of the dwelling unit.

[0023] (2) Details of each component of the intercom system (2.1) Intercom system The intercom master unit 1 includes, for example, a control unit 10, a communication unit 11, an operation unit 12, a display unit 13, a processing unit 15, a plurality of (three in the example in Figure 1) communication units 16, 17, and 19, a recording unit 18, and a repeater 92. In the following, the plurality of communication units 16, 17, and 19 may be referred to as the first communication unit 16, the second communication unit 17, and the third communication unit 19, respectively.

[0024] The control unit 10 controls, for example, the call unit 11, the operation unit 12, the display unit 13, the processing unit 15, the first communication unit 16, the second communication unit 17, the third communication unit 19, and the recording unit 18, respectively. Although the control unit 10 controls the display unit 13 via the processing unit 15, it may also control the display unit 13 directly.

[0025] The control unit 10 is implemented, for example, by a computer system having one or more processors and one or more memories. In other words, the functions of the control unit 10 are realized by one or more processors executing a program stored in memory. The program may be pre-stored in memory, provided via a telecommunication line such as the Internet, or provided on a non-temporary recording medium such as a memory card.

[0026] The communication unit 11 includes, for example, a microphone and a speaker. The communication unit 11 outputs the sound (audio signal) collected by the microphone to the control unit 10. The communication unit 11 also outputs the sound based on the audio signal from the control unit 10 to the speaker.

[0027] The operation unit 12 includes, for example, an answer button for responding to calls from the lobby intercom 2 or the intercom sub-unit 14. The control unit 10 controls the communication unit 11 to initiate a call with visitor H1 (see Figure 2) when, for example, a resident presses the operation unit 12. In this embodiment, visitor H1 is assumed to be a delivery person, but it is not limited to a delivery person; for example, it may be a company that provides various lifestyle support services (e.g., housekeeping services, nursing care services, etc.).

[0028] The display unit 13 is, for example, a display (e.g., a liquid crystal display). The display unit 13 displays an image (image signal) from the processing unit 15. The image is assumed to be, for example, a video or a still image.

[0029] The processing unit 15 processes the image from the control unit 10 and outputs it to the display unit 13. Although the processing unit 15 is located outside the control unit 10, it may also be located inside the control unit 10. In other words, the control unit 10 may include the processing unit 15.

[0030] The first communication unit 16 is electrically connected to the intercom sub-unit 14, for example, via a communication line. The first communication unit 16 receives signals (e.g., image signals, audio signals) from the intercom sub-unit 14 and outputs them to the control unit 10. The first communication unit 16 also transmits signals (e.g., audio signals) from the control unit 10 to the intercom sub-unit 14. As a result, the intercom master unit 1 can communicate with the intercom sub-unit 14, and residents can communicate with visitors operating the sub-unit 14 using the communication unit 11.

[0031] The second communication unit 17 is electrically connected to the repeater 92, for example, via a communication line. The second communication unit 17 receives signals from the control unit 10 (e.g., image signals, audio signals) and transmits them to the repeater 92. The second communication unit 17 also receives signals from the repeater 92 (e.g., audio signals) and outputs them to the control unit 10. This enables the intercom master unit 1 to communicate with the repeater 92.

[0032] The third communication unit 19 is electrically connected to the control device 3, for example, via a branch line L1, a turnout 9, and a main line L3. The third communication unit 19 receives signals from the control device 3 (for example, call signals, image signals, and voice signals from the lobby intercom 2) and outputs them to the control unit 10. The third communication unit 19 also transmits signals from the control unit 10 (for example, voice signals) to the control device 3. This enables the intercom master unit 1 to communicate with the control device 3.

[0033] The recording unit 18 records, for example, images captured by the imaging unit 24 (described later) in the lobby intercom 2. The recording unit 18 is composed of read / write memory. The recording unit 18 is, for example, flash memory. The recording unit 18 is electrically connected to the control unit 10 and records images from the control unit 10. Although the recording unit 18 is located outside the control unit 10, it may also be located inside the control unit 10. In other words, the recording unit 18 may be the memory (internal memory) of the control unit 10.

[0034] The repeater 92 is configured, for example, to perform wireless communication with the communication terminal 8. The repeater 92 receives signals from the second communication unit 17 (e.g., image signals, audio signals, etc.) and transmits them to the communication terminal 8. The repeater 92 also receives signals from the communication terminal 8 (e.g., audio signals, etc.) and transmits them to the second communication unit 17. This enables the intercom master unit 1 to communicate with the communication terminal 8. The intercom master unit 1 has a repeater 92, but it does not have to have a repeater 92. In this case, the second communication unit 17 is configured to perform wireless communication with the communication terminal 8.

[0035] (2.2) Lobby intercom The lobby intercom 2 includes, for example, a control unit 20, a communication unit 21, an operation unit 22, a display unit 23, an imaging unit 24, a processing unit 25, multiple (two in the example in Figure 1) communication units 26, 27, a recording unit 28, an external camera 91, and a sensor 93. In the following, the multiple communication units 26, 27 may be referred to as the first communication unit 26 and the second communication unit 27, respectively.

[0036] The control unit 20 controls, for example, the communication unit 21, the operation unit 22, the display unit 23, the imaging unit 24, the processing unit 25, the first communication unit 26, the second communication unit 27, the recording unit 28, the external camera 91, and the sensor 93. The control unit 20 also controls, for example, the electric lock 90 in the lobby according to instructions from the first server 5. The control unit 20 controls the imaging unit 24 via the processing unit 25, but it may also control the imaging unit 24 directly.

[0037] The control unit 20 is implemented, for example, by a computer system having one or more processors and one or more memories. In other words, the functions of the control unit 20 are realized by one or more processors executing a program stored in memory. The program may be pre-stored in memory, provided via a telecommunication line such as the Internet, or provided on a non-temporary recording medium such as a memory card.

[0038] The communication unit 21 includes, for example, a microphone and a speaker. The communication unit 21 outputs the sound (audio signal) collected by the microphone to the control unit 20. The communication unit 21 also outputs the sound based on the audio signal from the control unit 20 to the speaker.

[0039] The operation unit 22 includes, for example, several buttons for calling a resident of a dwelling unit (e.g., a button for entering the dwelling unit number, a call button, etc.). The control unit 20 controls the second communication unit 27 to initiate communication between the lobby intercom 2 and the intercom master unit 1 when, for example, a visitor H1 presses the operation unit 22, and to send a call signal from the second communication unit 27 to call the resident. This allows the visitor H1 to communicate with the resident using the call unit 21.

[0040] The display unit 23 is, for example, a display (e.g., a liquid crystal display). The display unit 23 displays an image (image signal) from the control unit 20.

[0041] The imaging unit 24 includes, for example, a solid-state image sensor such as a CMOS (Complementary Metal Oxide Semiconductor) image sensor or a CCD (Charge Coupled Device) image sensor.

[0042] The imaging unit 24, for example, captures images of visitor H1 and authentication code Q1 (see Figure 2) and outputs the images. More specifically, for example, when visitor H1 operates the operation unit 22, the imaging unit 24 captures visitor H1 in a predetermined area and outputs an image (first image) G1 (see Figure 2) containing visitor H1 to the processing unit 25. Also, for example, when visitor H1 shows the imaging unit 24 their authentication code Q1, the imaging unit 24 captures the authentication code Q1 in a predetermined area and outputs an image (second image) G2 (see Figure 2) containing the authentication code Q1 to the processing unit 25. In other words, the imaging unit 24 captures visitor H1 and authentication code Q1 with a single imaging unit and outputs two types of images. The two types of images include the first image G1 capturing visitor H1 and the second image G2 capturing authentication code Q1. As a result, the intercom system 100 does not need to have separate imaging units for capturing the visitor H1 and for capturing the authentication code Q1, thus simplifying the intercom system. The predetermined area refers to the area that can be captured by the imaging unit 24.

[0043] The first image G1 is an image in which the upper body, including the face of visitor H1, can be recognized, for example. The second image G2 is an image in which the authentication code Q1 can be authenticated, for example. In this embodiment, the first image G1 is an image captured by the imaging unit 24 during the visitor reception mode described later. The second image G2 is an image captured by the imaging unit 24 during the code authentication mode described later.

[0044] The first image G1 has a different field of view than the second image G2. Specifically, the field of view of the first image G1 is, for example, wide-angle. The field of view of the second image G2 is, for example, narrow-angle.

[0045] The authentication code Q1 is, for example, a two-dimensional code. The two-dimensional code is a QR code (registered trademark), but it may also be a barcode, a data matrix, or the like. The authentication code Q1 is displayed, for example, on the screen of a communication terminal P1 (see Figure 2) owned by visitor H1. The communication terminal P1 is, for example, a smartphone.

[0046] Furthermore, the authentication code Q1 is issued, for example, by the second server 6. Specifically, the second server 6 transmits the authentication code Q1 to the visitor H1's communication terminal P1. The authentication code Q1 includes, for example, information about the destination and information about the service provider (e.g., a delivery company). The information about the destination is information that identifies the destination (e.g., the apartment number of a dwelling unit in an apartment building). The information about the service provider is information that identifies the service provider (e.g., visitor H1) (e.g., the service provider's authentication number). Note that the information about the destination may include the building number of the apartment building in addition to the apartment number. Also, the information about the service provider may include, for example, information that identifies the package in addition to information that identifies the service provider.

[0047] The processing unit 25 acquires two types of images (for example, a first image G1 and a second image G2) from the imaging unit 24 and performs image processing. Specifically, the processing unit 25 adjusts the field of view of the images captured by the imaging unit 24. For example, the processing unit 25 widens the field of view of the first image G1 and narrows the field of view of the second image G2. The processing unit 25 also corrects the distortion of the image captured by the imaging unit 24 (for example, the second image G2). Note that the image processing performed by the processing unit 25 is not limited to the image processing described above.

[0048] The first communication unit 26 is configured, for example, to perform wireless communication with the communication terminal 8. The first communication unit 26 transmits signals (for example, image signals, etc.) from the control unit 20 to the communication terminal 8.

[0049] The second communication unit 27 is electrically connected to the control device 3, for example, via a branch line L2. The second communication unit 27 transmits signals from the control unit 20 (e.g., call signals, image signals, voice signals, etc.) to the control device 3. The second communication unit 27 also receives signals from the control device 3 (e.g., voice signals, etc.) and outputs them to the control unit 20. This enables the lobby intercom 2 to communicate with the control device 3.

[0050] The recording unit 28 records, for example, images captured by the imaging unit 24. The recording unit 28 is composed of read / write memory. The recording unit 28 is, for example, flash memory. The recording unit 28 is electrically connected to the control unit 20 and records images from the control unit 20. Although the recording unit 28 is located outside the control unit 20, it may also be located inside the control unit 20. In other words, the recording unit 28 may be the memory (internal memory) of the control unit 20.

[0051] The external camera 91 is installed, for example, on the ceiling of the lobby. The external camera 91 captures images of, for example, a visitor H1 and the lobby intercom 2, generates an image, and outputs the image including the visitor H1 and the lobby intercom 2 to the control unit 20. Here, the image generated by the external camera 91 is different from the image captured by the imaging unit 24, but it is at least an image including the visitor H1 (first image G1).

[0052] Sensor 93 is configured, for example, to detect a visitor H1 approaching the lobby intercom 2. Sensor 93 is, for example, a motion sensor. Sensor 93 is electrically connected to the control unit 20.

[0053] (2.3) Control device The control device 3 includes, for example, a control unit 30, a communication unit 31, and a recording unit 32.

[0054] The control unit 30 controls, for example, the communication unit 31 and the recording unit 32, respectively. The control unit 30 also controls the intercom master unit 1 and the lobby intercom 2 via the communication unit 31.

[0055] The control unit 30 is implemented, for example, by a computer system having one or more processors and one or more memories. In other words, the functions of the control unit 30 are realized by one or more processors executing a program stored in memory. The program may be pre-stored in memory, provided via a telecommunication line such as the Internet, or provided on a non-temporary recording medium such as a memory card.

[0056] The communication unit 31 is electrically connected to the second communication unit 27 of the lobby intercom 2, for example, via a branch line L2. The communication unit 31 is also electrically connected to the third communication unit 19 of the intercom master unit 1, for example, via a main line L3, a branch switch 9, and a branch line L1. The communication unit 31 is configured to communicate with the intercom master unit 1. Furthermore, the communication unit 31 is configured to communicate with the lobby intercom 2. The control unit 30 controls the communication unit 31 to relay communication between the intercom master unit 1 and the lobby intercom 2. In other words, the control device 3 controls communication between the intercom master unit 1 and the lobby intercom 2.

[0057] For example, the control device 3 receives a signal from the intercom master unit 1 (e.g., an audio signal) in the communication unit 31 and transmits the received signal from the communication unit 31 to the lobby intercom 2. The control device 3 also receives a signal from the lobby intercom 2 (e.g., a call signal, an image signal, an audio signal) in the communication unit 31 and transmits the received signal to the intercom master unit 1. As a result, the intercom system 100 enables communication between the lobby intercom 2 and the intercom master unit 1, allowing, for example, a visitor H1 to communicate with a resident using the communication unit 21.

[0058] The recording unit 32 records, for example, images sent from the lobby intercom 2 to the control unit 30 via the communication unit 31. The recording unit 32 is composed of read / write memory. The recording unit 32 is, for example, flash memory. The recording unit 32 is electrically connected to the control unit 30 and records images and other data from the control unit 30. Although the recording unit 32 is located outside the control unit 30, it may also be located inside the control unit 30. In other words, the recording unit 32 may be the memory (internal memory) of the control unit 30.

[0059] (2.4) Intercom handset The intercom sub-unit 14 is configured to communicate with the intercom master unit 1. The sub-unit 14 includes, for example, a control unit, a communication unit, an operation unit, an imaging unit, and a communication unit.

[0060] The control unit controls, for example, the telephone unit, the operation unit, the imaging unit, and the communication unit. The control unit is implemented, for example, by a computer system having one or more processors and one or more memories. In other words, the functions of the control unit are realized by one or more processors executing a program stored in memory. The program may be pre-stored in memory, provided via a telecommunication line such as the Internet, or provided on a non-temporary recording medium such as a memory card.

[0061] The communication unit includes, for example, a microphone and a speaker. The communication unit outputs the sound (audio signal) collected by the microphone to the control unit. The communication unit also outputs the sound based on the audio signal from the control unit to the speaker.

[0062] The control unit includes, for example, a call button for calling a resident. The control unit controls the communication unit to send a call signal to the master unit 1 when, for example, a visitor presses the control unit. Note that the visitor is a different visitor from visitor H1 in Figure 2, but may be visitor H1.

[0063] The imaging unit includes, for example, a solid-state image sensor such as a CMOS image sensor or a CCD image sensor.

[0064] The imaging unit, for example, captures images of visitors and outputs the images. More specifically, the imaging unit captures images of visitors in a predetermined area and outputs images including the visitors to the control unit. The predetermined area refers to the area that can be captured by the imaging unit.

[0065] The communication unit is electrically connected to the master unit 1, for example, via a communication line. The communication unit receives signals from the master unit 1 (e.g., voice signals) and outputs them to the control unit. The communication unit also transmits signals from the control unit (e.g., call signals, image signals, voice signals) to the master unit 1. As a result, the slave unit 14 can communicate with the master unit 1, and visitors can use the communication unit to talk to residents.

[0066] (2.5) Gateway Gateway 4 is electrically connected to the control device 3, for example, via a communication line. Gateway 4 is also communicably connected to the first server 5 via a communication network. Gateway 4 is configured to communicate with the control device 3. Gateway 4 is also configured to communicate with the first server 5. In other words, Gateway 4 relays communication between the control device 3 and the first server 5. For example, Gateway 4 transmits signals from the control device 3 (e.g., signals containing authentication data as described later) to the first server 5. Gateway 4 also transmits signals from the first server 5 (e.g., signals containing authentication results as described later) to the control device 3.

[0067] (2.6) Server The first server 5 controls, for example, the unlocking of the electric lock 90 in the lobby. The first server 5 also controls, for example, the unlocking of electric locks in the lobbies of other apartment buildings. In other words, the first server 5 is communicated with multiple apartment buildings via a communication network and controls the unlocking of the electric locks in each of the multiple apartment buildings.

[0068] The second server 6 is, for example, a server managed by a service provider (e.g., a delivery company). The second server 6 is connected to the first server 5 via a communication network.

[0069] (3) Operation of the lobby intercom The control unit 20 of the lobby intercom 2 has two operating modes: a visitor response mode and a code authentication mode. The control unit 20 is configured to operate by switching between the visitor response mode and the code authentication mode. The visitor response mode is a mode for calling residents of apartments in a multi-unit building. The code authentication mode is a mode in which, for example, the electric lock 90 of the lobby can be unlocked even without a response from the visitor H1 by a resident, and in this mode, an authentication code Q1 is authenticated when unlocking the electric lock 90 of the lobby.

[0070] Below, we will first explain the operation of Lobby Intercom 2 in visitor reception mode, and then explain the operation of Lobby Intercom 2 in code authentication mode.

[0071] (3.1) Operation in visitor reception mode The control unit 20 displays a message image (for example, an image containing a message such as "Welcome") on the display unit 23 when the sensor 93 detects a visitor H1. While the control unit 20 displays a message image on the display unit 23 when the sensor 93 detects a visitor H1, it may also display an image indicating that the system is running (for example, an animated video) on the display unit 23.

[0072] Furthermore, the control unit 20 controls the second communication unit 27 to transmit a call signal to the master unit 1 of the designated dwelling unit when, for example, a visitor H1 operates the operation unit 22 to call a resident of the dwelling unit.

[0073] The control unit 20 controls the communication unit 21 and the second communication unit 27 to initiate a call with the master unit 1, for example, when a resident of a designated dwelling unit responds to a call from the master unit 1. The control unit 20 also unlocks the electric lock 90 in the lobby when the master unit 1 transmits a signal (hereinafter referred to as the "unlock signal") for the resident to operate the operation unit 12 of the master unit 1 to unlock the electric lock 90 in the lobby, and the second communication unit 27 receives the unlock signal.

[0074] (3.2) Operation in code authentication mode The control unit 20 displays a message image on the display unit 23 prompting visitor H1 to point the authentication code Q1 towards the imaging unit 24, and the imaging unit 24 captures the authentication code Q1. The control unit 20 also decodes the authentication code Q1 captured by the imaging unit 24 and obtains authentication data from the authentication code Q1. The authentication data is the data (e.g., alphanumeric characters) after decoding the authentication code Q1, and includes data such as the dwelling unit number, the building number of the apartment complex, and the authentication number of the business operator.

[0075] The control unit 20 controls the second communication unit 27 to transmit a signal containing authentication data (hereinafter referred to as the "authentication data signal") to the first server 5 via the control device 3 and the gateway 4.

[0076] When the first server 5 receives an authentication data signal from the lobby intercom 2, it sends a signal (hereinafter referred to as the "request signal") to the second server 6 that includes the authentication data and information about the apartment building from which the authentication data signal was sent (for example, property ID). In short, the first server 5 requests the second server 6 to authenticate the authentication data.

[0077] When the second server 6 receives a request signal from the first server 5, it performs authentication of the authentication data and sends a signal containing the authentication result (hereinafter referred to as the "authentication result signal") to the first server 5. In short, the second server 6 performs authentication of the authentication data in response to a request from the first server 5 and sends the authentication result to the first server 5.

[0078] If the authentication result from the second server 6 indicates success (for example, authentication OK), the first server 5 transmits an unlock signal to the second communication unit 27 of the lobby intercom 2 via the gateway 4 and the control device 3. On the other hand, if the authentication result from the second server 6 indicates failure (for example, authentication NG), the first server 5 does not transmit a release signal to the second communication unit 27.

[0079] Furthermore, if the authentication result from the second server 6 is OK, the first server 5 sends a signal (first message signal) to the second communication unit 27 that includes a message (first message) indicating that the authentication result is OK. On the other hand, if the authentication result from the second server 6 is NG, the first server 5 sends a signal (second message signal) to the second communication unit 27 that includes a message (second message) indicating that the authentication result is NG.

[0080] When the second communication unit 27 receives a first message signal, the control unit 20 displays an image containing the first message on the display unit 23. Furthermore, when the second communication unit 27 receives a second message signal, the control unit 20 displays an image containing the second message on the display unit 23. Also, when the communication unit 27 receives an unlock signal, the control unit 20 unlocks the electric lock 90 in the lobby. This allows the intercom system 100 to unlock the electric lock 90 in the lobby without requiring a response from a resident of an apartment unit. Therefore, visitor H1 can enter the apartment building and, for example, leave luggage in front of their apartment.

[0081] (4) Operation of the intercom system The control unit 20 of the lobby intercom 2 executes the visitor response mode as its operating mode, for example, when the sensor 93 detects a visitor H1 approaching the lobby intercom 2. Furthermore, the control unit 20 executes the code authentication mode as its operating mode, for example, when the visitor H1 performs a special operation using the operation unit 22. "Performing a special operation" refers to a trigger that causes the control unit 20 to execute the code authentication mode, and includes, for example, operating multiple buttons on the operation unit 22 in a predetermined order.

[0082] The control unit 20 is configured to record, for example, the first image G1 in the visitor reception mode in the recording unit 28. Preferably, when the operating mode is code authentication mode, the control unit 20 is configured to obtain permission from the visitor H1 to record (record the image) before recording the first image G1 in the visitor reception mode in the recording unit 28. For example, when the operating mode is code authentication mode, the control unit 20 displays a message image on the display unit 23 asking the visitor H1 for permission to record the image before recording the first image G1 in the visitor reception mode in the recording unit 28.

[0083] Furthermore, the control unit 20 is configured to obtain permission from visitor H1 when in code authentication mode. If permission cannot be obtained from visitor H1, the control unit 20 switches the operating mode from code authentication mode to visitor reception mode.

[0084] The operation of the intercom system 100 will be explained below with reference to Figure 3.

[0085] When the lobby intercom 2 detects a visitor H1 approaching the lobby intercom 2 using the sensor 93, it enters visitor response mode (step ST1). The lobby intercom 2 also starts acquiring an image (first image G1) captured by the imaging unit 24 and starts recording the first image G1, which has been processed by the processing unit 25, in the recording unit 28 (step ST2). Then, the lobby intercom 2 displays a message image on the display unit 23 (step ST3).

[0086] If, for example, visitor H1 performs a special operation using the control unit 22 (Yes in step ST4), the lobby intercom 2 switches its operating mode from visitor response mode to code authentication mode (step ST5). On the other hand, if, for example, visitor H1 does not perform a special operation (No in step ST4), the lobby intercom 2 displays a message image prompting visitor H1 to enter their apartment number (hereinafter referred to as the "input message image") on the display unit 23 (step ST11). The lobby intercom 2 then calls the resident of the designated apartment and, if the resident responds, starts a call with the intercom master unit 1 (step ST12).

[0087] Furthermore, when the lobby intercom 2 starts executing the code authentication mode, it obtains permission from the visitor H1 to record images (step ST6). If the visitor H1 has given permission to record images (Yes in step ST6), the lobby intercom 2 obtains the authentication code Q1 with the imaging unit 24 (step ST7). On the other hand, if the visitor H1 has not given permission to record images (No in step ST6), the lobby intercom 2 switches the operating mode from code authentication mode to visitor response mode and displays the input message image on the display unit 23 (step ST11). At this point, if the visitor H1 has not given permission to record images, the control unit 20 of the lobby intercom 2 deletes the first image G1 that was recorded in the recording unit 28 before the visitor H1 gave a response.

[0088] If the lobby intercom 2 can obtain the authentication code Q1 (Yes in step ST7), it transmits the authentication data to the second server 6 via the control device 3, gateway 4, and first server 5, and requests authentication of the authentication data from the second server 6 (step ST8). On the other hand, if the lobby intercom 2 cannot obtain the authentication code Q1 (No in step ST7), it obtains the authentication code Q1 again with the imaging unit 24 (step ST7).

[0089] If the authentication result from the second server 6 is OK (Yes in step ST9), the lobby intercom 2 unlocks the electric lock 90 in the lobby (step ST10). On the other hand, if the authentication result from the second server 6 is NG (No in step ST9), the lobby intercom 2 obtains the authentication code Q1 again from the imaging unit 24 (step ST7).

[0090] In the intercom system 100, the control unit 20 records the first image G1 in the recording unit 28 when the system is in visitor response mode. For example, when a visitor H1 unlocks the lobby's electric lock 90 with authentication code Q1, an image (first image G1) including visitor H1 before unlocking the electric lock 90 is recorded in the recording unit 28. Therefore, in the intercom system 100, for example, the administrator of the lobby intercom 2 can check the first image G1 and understand what kind of person unlocked the electric lock 90. ​​Furthermore, in the intercom system 100, the control unit 20 continuously records the first image G1 when the system is in visitor response mode, that is, an image in which the upper body including the face of visitor H1 can be recognized, in the recording unit 28. This allows for a more accurate understanding of what kind of person unlocked the electric lock 90 compared to, for example, when only an image in which the face of visitor H1 can be recognized is recorded. In other words, the intercom system 100 can improve the security of apartment buildings.

[0091] The first image G1 has a different field of view than the second image G2. As a result, when the field of view of the first image G1 is wide-angle, the lobby intercom 2 can improve its recognition rate of visitor H1 compared to when the field of view of the first image G1 is narrow-angle, allowing it to identify visitor H1 more accurately. In addition, when the field of view of the second image G2 is narrow-angle, the lobby intercom 2 can improve its recognition rate of authentication code Q1 compared to when the field of view of the second image G2 is wide-angle, allowing it to authenticate authentication code Q1 with greater accuracy. In other words, the intercom system 100 can identify visitor H1 more accurately and authenticate authentication code Q1 with greater accuracy, thereby improving the security of the apartment building.

[0092] The resolution of the first image G1 and the second image G2 is preferably high. This allows the intercom system 100 to more accurately identify the visitor H1 and the authentication code Q1, thereby further improving the security of the apartment building.

[0093] The control unit 20 is configured, for example, when the operating mode is code authentication mode, to obtain permission from the visitor H1 to record (image recording) before recording the first image G1 in the recording unit 28 during visitor response mode. As a result, the intercom system 100 can protect the personal information (privacy) of visitor H1 and prevent suspicious persons from entering the apartment building in advance. Therefore, the intercom system 100 can further improve the security of the apartment building.

[0094] Furthermore, the control unit 20 is configured to obtain permission from visitor H1 when in code authentication mode. If permission is not obtained from visitor H1, the control unit switches the operating mode from code authentication mode to visitor response mode. As a result, in the intercom system 100, if permission is not obtained from visitor H1, the operating mode of the lobby intercom 2 switches from code authentication mode to visitor response mode, making it possible to further prevent suspicious persons from entering the apartment building. Therefore, the intercom system 100 can further improve the security of the apartment building.

[0095] The control method for the intercom system 100 is a control method for controlling the intercom system 100. The control method includes an imaging step, a processing step, a control step, and a recording step. In the imaging step, the system captures images of the visitor H1 and the authentication code Q1 possessed by the visitor H1 and outputs the images. In the processing step, the system acquires the two images output in the imaging step and performs image processing. In the control step, the system switches to one of two operating modes: a visitor response mode that calls the resident of the dwelling unit, and a code authentication mode that authenticates the authentication code Q1. In the recording step, the system records at least one of the images: an image G1 of the visitor H1 captured in visitor response mode and an image G1 of the visitor H1 captured in code authentication mode. In other words, the control method is a control method for realizing the intercom system 100 described above. Therefore, the control method can improve the security of apartment buildings in the same way as the intercom system 100 described above.

[0096] The above control method is implemented by one or more processors executing a program (computer program). The program is, for example, a program that causes one or more processors in the control unit 20 to execute the above control method. Therefore, according to the above program, the security of the apartment building can be improved in the same way as the above control method.

[0097] (5) Variant The control unit 20 of the lobby intercom 2 may, for example, record information about the contractor (e.g., visitor H1) along with the first image G1 in visitor reception mode in the recording unit 28. This allows the intercom system 100 to obtain not only an image including visitor H1, but also detailed information about visitor H1, thereby further improving security in the apartment building.

[0098] The control unit 20 records the first image G1 in the recording unit 28 when the visitor is in visitor mode, but for example, the first image G1 in visitor mode may also be recorded in the recording unit 32 of the control device 3. In this case, the control unit 20 may also record information about the visitor H1 in the recording unit 32, for example.

[0099] The control unit 20 records, for example, the first image G1 in the recording unit 28 when the visitor is in visitor response mode, but the first image G1 may also be recorded in the recording unit 51 of the first server 5. In this case, the control unit 20 may also record, for example, information about the visitor H1 in the recording unit 51. This allows the administrator of the first server 5 to, for example, identify the visitor H1 entering the apartment building, thereby improving the security of the apartment building.

[0100] The control unit 20 may record the first image G1 in the recording unit 51 of the first server 5, or it may record the first image G1 in a recording unit of the second server 6. Alternatively, the control unit 20 may record the first image G1 in both the recording unit 51 of the first server 5 and the recording unit of the second server 6.

[0101] The control unit 20 records, for example, the first image G1 in the recording unit 28 when the visitor is in visitor response mode, but the first image G1 may also be recorded in the recording unit 18 of the intercom master unit 1. In this case, the control unit 20 may also record, for example, information about the visitor H1 in the recording unit 18. This allows the intercom system 100 to identify the visitor H1 entering the apartment building, thereby improving the security of the apartment building.

[0102] The control unit 20 may, for example, transmit the first image G1 in visitor reception mode to the communication terminal 8 via the first communication unit 26. This allows the owner of the communication terminal 8 (e.g., a resident or manager) of the intercom system 100 to identify visitors H1 entering the apartment building, thereby improving the security of the apartment building.

[0103] The control unit 20 may transmit the first image G1 in visitor reception mode to the communication terminal 8 via the first communication unit 26, but may also transmit it to the communication terminal 8 via the second communication unit 27, the control device 3 and the gateway 4, or it may transmit it to the communication terminal 8 via the second communication unit 27, the control device 3, the intercom master unit 1 and the repeater 92.

[0104] When transmitting the first image G1 in visitor response mode to the communication terminal 8, it is preferable that the control unit 20 is configured to obtain permission from the visitor H1 to transmit (transmit the image) before transmitting the first image G1 to the communication terminal 8. For example, before transmitting the first image G1 in visitor response mode to the communication terminal 8, the control unit 20 displays a message image on the display unit 23 requesting permission from the visitor H1 to transmit the image. This ensures that, for example, the visitor H1's personal information (privacy) is protected in the intercom system 100, and also prevents suspicious individuals from entering the apartment building. Therefore, the intercom system 100 can further improve the security of the apartment building.

[0105] Furthermore, it is preferable that the control unit 20 is configured to obtain permission from visitor H1 to transmit images when in code authentication mode. If permission is not obtained from visitor H1, the control unit 20 switches the operating mode from code authentication mode to visitor response mode. As a result, in the intercom system 100, if permission is not obtained from visitor H1, the operating mode of the lobby intercom 2 switches from code authentication mode to visitor response mode, making it possible to further prevent suspicious persons from entering the apartment building. Therefore, the intercom system 100 can further improve the security of the apartment building.

[0106] For example, when the operating mode is code authentication mode, the control unit 20 is configured to obtain permission from the visitor H1 to record (image recording) before recording the first image G1 in the visitor reception mode to the recording unit 28, but this configuration is not mandatory.

[0107] Lobby intercom 2 obtains permission from visitor H1 to record images when it starts executing code authentication mode. However, permission to record images from visitor H1 may be obtained at any time, not limited to this timing, for example, when the authentication result of the authentication data is issued.

[0108] The control unit 20 executes the visitor response mode when the sensor 93 detects a visitor H1 approaching the lobby intercom 2. However, the visitor response mode may also be executed, for example, when the visitor H1 operates the operation unit 22.

[0109] The external camera 91 is not limited to a surveillance camera; for example, it could be a camera mounted on a delivery box installed in a lobby.

[0110] In this embodiment, the intercom system 100 is equipped with an external camera 91, but it is not required to be equipped with an external camera 91.

[0111] In addition, in the intercom system 100, the second server 6 performs authentication of the authentication data via the first server 5, but for example, the first server 5 or the control device 3 may perform authentication of the authentication data.

[0112] (Embodiment 2) The intercom system 101 according to Embodiment 2 differs from the intercom system 100 according to Embodiment 1 in that it includes a first processing unit 25A and a second processing unit 25B, as shown in Figure 4. Regarding the intercom system 101 according to Embodiment 2, components similar to those in the intercom system 100 according to Embodiment 1 (see Figure 1) are denoted by the same reference numerals and their descriptions are omitted.

[0113] The intercom system 101 according to Embodiment 2 will be described below with reference to Figures 4 and 5.

[0114] (1) Intercom system The intercom system 101 further includes, for example, an external recording system 7.

[0115] The external recording system 7 records, for example, the first image G1 (see Figure 5) during code authentication mode. The external recording system 7 is installed, for example, in the management room of an apartment building. The external recording system 7 is electrically connected to the lobby intercom 2. The external recording system 7 includes, for example, a monitor 71 and a recording unit 72.

[0116] The monitor 71 displays the image (image signal) from the output unit 29 of the lobby intercom 2, which will be described later. The monitor 71 is, for example, a liquid crystal display. The monitor 71 is electrically connected to the output unit 29, for example, via a connecting cable.

[0117] The recording unit 72 records the image displayed by the monitor 71. The recording unit 72 is, for example, an HDD or SSD. The recording unit 72 is electrically connected to the monitor 71.

[0118] The lobby intercom 2 further includes an output unit 29. The output unit 29 outputs signals from the control unit 20 (e.g., image signals) to the external recording system 7. The output unit 29 also outputs signals (image signals) from the second processing unit 25B, described later, to the external recording system 7. The output unit 29 is electrically connected to the control unit 20 and the second processing unit 25B.

[0119] The processing unit 25 of the lobby intercom 2 includes, for example, a first processing unit 25A and a second processing unit 25B.

[0120] The first processing unit 25A is configured to acquire and process the first image G1 when in visitor reception mode, and to acquire and process the second image G2 when in code authentication mode. In other words, the first processing unit 25A is configured to perform the same operations as the processing unit 25 in Embodiment 1. The first processing unit 25A is electrically connected to the imaging unit 24. The first processing unit 25A is also electrically connected to the control unit 20.

[0121] The second processing unit 25B is configured to acquire and process the first image G1 during visitor reception mode and code authentication mode. The second processing unit 25B is electrically connected to the imaging unit 24. The second processing unit 25B is also electrically connected to the control unit 20 and the output unit 29.

[0122] The second processing unit 25B performs the same image processing as the first processing unit 25A when in customer reception mode, for example as shown in Figure 5. Furthermore, the second processing unit 25B performs different image processing than that performed by the first processing unit 25A when in code authentication mode. In other words, when in code authentication mode, the second processing unit 25B processes the image captured by the imaging unit 24 so that the field of view is different from that of the image processed by the first processing unit 25A. More specifically, when in code authentication mode, the second processing unit 25B processes the image captured by the imaging unit 24 so that the image has a wider field of view than the image processed by the first processing unit 25A (narrow angle in the example in Figure 5).

[0123] The control unit 20 records the first image G1 in the customer reception mode, which has been processed by the first processing unit 25A, in the recording unit 28. The control unit 20 also records the first image G1 in the code authentication mode, which has been processed by the second processing unit 25B, in the recording unit 72 of the external recording system 7.

[0124] Therefore, in the intercom system 101, the first image G1 in visitor response mode, processed by the first processing unit 25A, is recorded in the recording unit 28, and the first image G1 in code authentication mode, processed by the second processing unit 25B, is recorded in the recording unit 72. Thus, the intercom system 101 can improve the security of apartment buildings compared to the intercom system 100 of Embodiment 1. In other words, the intercom system 101 can further improve the security of apartment buildings.

[0125] (2) Variant As a modification of Embodiment 2, the same modifications as those made to the intercom system 100 according to the modification of Embodiment 1 are possible. Therefore, the intercom system 101 according to the modification of Embodiment 2 will have the same effects as the intercom system 101 according to Embodiment 2.

[0126] The control unit 20 records the first image G1 of the customer service mode, which has been processed by the first processing unit 25A, in the recording unit 28. However, for example, the first image G1 of the customer service mode, which has been processed by the first processing unit 25A, may also be recorded in the recording unit 32 of the control device 3.

[0127] The control unit 20 records the first image G1 in code authentication mode, which has been image-processed by the second processing unit 25B, in the recording unit 72. Alternatively, the control unit 20 may record the first image G1 in customer service mode, which has been image-processed by the second processing unit 25, in the recording unit 72. Furthermore, the control unit 20 may record both the first image G1 in customer service mode, which has been image-processed by the second processing unit 25, and the first image G1 in code authentication mode, which has been image-processed by the second processing unit 25B, in the recording unit 72.

[0128] In other words, the control unit 20 only needs to record at least one of the images, the first image G1 in visitor response mode processed by the second processing unit 25B and the first image G1 in code authentication mode processed by the second processing unit 25B, in the recording unit 72. As a result, in the intercom system 101, for example, if the control unit 20 records both the first image G1 in visitor response mode processed by the second processing unit 25B and the first image G1 in code authentication mode processed by the second processing unit 25B, in the recording unit 72, the security of the apartment building can be further improved.

[0129] In this embodiment, the control unit 20 records the first image G1 during the customer service mode, which has been image-processed by the first processing unit 25A, in the recording unit 28, and the first image G1 during the code authentication mode, which has been image-processed by the second processing unit 25B, in the recording unit 72. However, for example, the first image G1 during the customer service mode, which has been image-processed by the first processing unit 25A, may not be recorded in the recording unit 28, and only the first image G1 during the code authentication mode, which has been image-processed by the second processing unit 25B, may be recorded in the recording unit 72.

[0130] (Embodiment 3) The intercom system 102 according to Embodiment 3 (see Figure 1) differs from the intercom system 100 according to Embodiment 1 (see Figure 1) in that the control unit 20 further records the first image G1 (see Figure 6) generated by the external camera 91 in the recording unit 28. Regarding the intercom system 102 according to Embodiment 3, components similar to those in the intercom system 100 according to Embodiment 1 are denoted by the same reference numerals and their descriptions are omitted.

[0131] The intercom system 102 according to Embodiment 3 will be described below with reference to Figures 1 and 6.

[0132] (1) Intercom system The control unit 20 of the lobby intercom 2 further records the first image G1 generated by the external camera 91 in the recording unit 28, for example, when in code authentication mode. That is, the control unit 20 records both the first image G1 captured by the imaging unit 24 in visitor reception mode and the first image G1 generated by the external camera 91 in code authentication mode in the recording unit 28.

[0133] Therefore, in the intercom system 102, the first image G1 during visitor response mode is recorded in the recording unit 28, and the first image G1 generated by the external camera 91 during code authentication mode is also recorded in the recording unit 28. Thus, the intercom system 102 can improve the security of apartment buildings compared to the intercom system 100 of Embodiment 1. In other words, the intercom system 102 can further improve the security of apartment buildings.

[0134] Furthermore, it is preferable that the external camera 91 be installed in a location where at least the upper body of visitor H1 and the lobby intercom 2 can be captured.

[0135] (2) Variant As a modification of Embodiment 3, the same modifications as those made to the intercom system 100 according to the modification of Embodiment 1 are possible. Therefore, the intercom system 102 according to the modification of Embodiment 3 also provides the same effects as the intercom system 102 according to Embodiment 3.

[0136] The control unit 20 records the first image G1 generated by the external camera 91 in the recording unit 28 when the code authentication mode is active. However, for example, the first image G1 generated by the external camera 91 in the code authentication mode may also be recorded in the recording unit 32 of the control device 3.

[0137] The control unit 20 records the first image G1 generated by the external camera 91 in the recording unit 28 when in code authentication mode, but it may also record the first image G1 generated by the external camera 91 in the recording unit 28 when in visitor reception mode. Alternatively, the control unit 20 may record both the first image G1 generated by the external camera 91 in code authentication mode and the first image G1 generated by the external camera 91 in visitor reception mode in the recording unit 28.

[0138] In other words, the control unit 20 only needs to record at least one of the first image G1 generated by the external camera 91 during code authentication mode and the first image G1 generated by the external camera 91 during visitor response mode in the recording unit 28. As a result, in the intercom system 102, for example, if the control unit 20 records both the first image G1 generated by the external camera 91 during code authentication mode and the first image G1 generated by the external camera 91 during visitor response mode in the recording unit 28, the security of the apartment building can be further improved.

[0139] The control unit 20 records both the first image G1 captured by the imaging unit 24 in visitor response mode and the first image G1 generated by the external camera 91 in code authentication mode in the recording unit 28. However, it may also record only the first image G1 generated by the external camera 91 in code authentication mode in the recording unit 28. In other words, the control unit 20 only needs to record at least one of the first image G1 captured by the imaging unit 24 in visitor response mode and the first image G1 generated by the external camera 91 in code authentication mode in the recording unit 28. For example, the control unit 20 records the first image G1 generated by the external camera 91 in code authentication mode in the recording unit 28. As a result, the intercom system 102 can improve the security of apartment buildings, similar to the intercom system 100 of Embodiment 1.

[0140] The embodiments 1 to 3 and their modifications described above are only a part of the various embodiments and modifications of this disclosure.

[0141] This disclosure is not limited to the embodiments described above, and it is possible to combine and apply at least some of the configurations of each embodiment and modification as appropriate.

[0142] (Appearance) This specification discloses the following aspects:

[0143] An intercom system (100-102) according to the first embodiment comprises an intercom device (1), a lobby intercom (2), and a control device (3). The intercom device (1) is installed in a dwelling unit of an apartment building. The lobby intercom (2) is installed in the lobby of the apartment building and performs locking and unlocking of the lobby. The control device (3) controls the intercom device (1) and the lobby intercom (2). The lobby intercom (2) has an imaging unit (24), a processing unit (25), a first recording unit (28), and a first control unit (20). The imaging unit (24) captures images of a visitor (H1) and an authentication code (Q1) and outputs images. The authentication code (Q1) is owned by the visitor (H1). The processing unit (25) acquires two types of images from the imaging unit (24) and performs image processing. The first recording unit (28) records an image of the visitor (H1). The first control unit (20) controls the imaging unit (24), the processing unit (25), and the first recording unit (28). The control device (3) includes a second control unit (30) and a second recording unit (32). The second control unit (30) controls the intercom device (1) and the lobby intercom (2). The second recording unit (32) records an image of the visitor (H1). The two types of images include a first image (G1) of the visitor (H1) and a second image (G2) of the authentication code (Q1). The first control unit (20) has a visitor response mode for calling the resident of the dwelling unit and a code authentication mode for authenticating the authentication code (Q1). The first control unit (20) is configured to operate by switching its operating mode between the visitor response mode and the code authentication mode. The first control unit (20) records at least one of the images, the first image (G1) in the visitor reception mode and the first image (G1) in the code authentication mode, in the first recording unit (28) or the second recording unit (32).

[0144] This embodiment can improve the security of apartment buildings.

[0145] In the second embodiment of the intercom system (100), in the first embodiment, the first image (G1) is an image captured by the imaging unit (24) when in visitor reception mode. The second image (G2) is an image captured by the imaging unit (24) when in code authentication mode.

[0146] According to this embodiment, since two types of images (an image in visitor reception mode and an image in code authentication mode) can be obtained with a single imaging unit (24), there is no need to prepare separate imaging units for capturing the visitor (H1) and for capturing the authentication code (Q1), thus simplifying the intercom system.

[0147] The intercom system (101) according to the third embodiment further comprises an external recording system (7) for recording a first image (G1) in the first embodiment. The processing unit (25) includes a first processing unit (25A) and a second processing unit (25B). The first processing unit (25A) acquires and processes the first image (G1) when in visitor response mode, and acquires and processes the second image (G2) when in code authentication mode. The second processing unit (25B) acquires and processes the first image (G1) when in visitor response mode and when in code authentication mode. The first control unit (20) records the first image (G1) in visitor response mode, which has been processed by the first processing unit (25A), in the first recording unit (28) or the second recording unit (32). The first control unit (20) records at least one of the images, the first image (G1) in customer service mode processed by the second processing unit (25B) and the first image (G1) in code authentication mode processed by the second processing unit (25B), in the external recording system (7).

[0148] This configuration can further improve the security of apartment buildings.

[0149] The intercom system (102) according to the fourth embodiment further includes an external camera (91) that captures a visitor (H1) and generates a first image (G1) in the lobby intercom (2) according to the first embodiment. The first control unit (20) records the first image (G1) generated by the external camera (91) in the first recording unit (28) or the second recording unit (32) when in code authentication mode.

[0150] This embodiment can improve the security of apartment buildings.

[0151] In the fifth embodiment of the intercom system (102), in the fourth embodiment, the first control unit (20) further records at least one of the first image (G1) captured by the imaging unit (24) during visitor response mode and the first image (G1) generated by the external camera (91) during visitor response mode in the first recording unit (28) or the second recording unit (32).

[0152] This configuration can further improve the security of apartment buildings.

[0153] In the intercom system according to the sixth embodiment (100-102), in any one of the first to fifth embodiments, the first image (G1) has a different field of view from the second image (G2).

[0154] This configuration can further improve the security of apartment buildings.

[0155] The intercom system (100-102) according to the seventh embodiment further comprises a server (5) for managing information related to dwelling units in any one of the first to sixth embodiments. The first control unit (20) records the first image (G1) in the third recording unit (51) of the server (5).

[0156] This configuration can further improve the security of apartment buildings.

[0157] In the intercom system (100-102) according to the eighth embodiment, in any one of the first to seventh embodiments, the first control unit (20) records the first image (G1) in the fourth recording unit (18) of the intercom device (1).

[0158] This configuration can further improve the security of apartment buildings.

[0159] In the intercom system (100-102) according to the ninth embodiment, in any one of the first to eighth embodiments, the first control unit (20) records information about the visitor (H1) together with the first image (G1) in the first recording unit (28) or the second recording unit (32).

[0160] This configuration can further improve the security of apartment buildings.

[0161] An intercom system (100-102) according to the tenth embodiment further comprises a communication terminal (8) that performs wireless communication using radio waves as a medium in any one of the first to ninth embodiments. The lobby intercom (2) further comprises a communication unit (26) that communicates with the communication terminal (8). The first control unit (20) transmits a first image (G1) to the communication terminal (8) via the communication unit (26).

[0162] This configuration can further improve the security of apartment buildings.

[0163] The intercom system (100-102) according to the 11th embodiment is configured such that, in any one of the first to 9th embodiments, the first control unit (20) obtains permission from the visitor (H1) before recording the first image (G1) in the first recording unit (28) or the second recording unit (32).

[0164] This configuration can further improve the security of apartment buildings.

[0165] In the twelfth embodiment of the intercom system (100-102), in the tenth embodiment, the first control unit (20) is configured to obtain permission from the visitor (H1) before transmitting the first image (G1) to the communication terminal (8).

[0166] This configuration can further improve the security of apartment buildings.

[0167] In the intercom system (100-102) according to the 13th embodiment, in the 11th or 12th embodiment, the first control unit (20) is configured to obtain permission from the visitor (H1) when in code authentication mode. If permission cannot be obtained from the visitor (H1), the first control unit (20) switches the operating mode from code authentication mode to visitor response mode.

[0168] This embodiment can further improve the security of apartment buildings.

[0169] The control method relating to the 14th embodiment is a control method for controlling an intercom system (100-102) comprising an intercom device (1), a lobby intercom (2), and a control device (3). The intercom device (1) is installed in a dwelling unit of an apartment building. The lobby intercom (2) is installed in the lobby of an apartment building. The control device (3) controls the intercom device (1) and the lobby intercom (2). The control method includes an imaging step, a processing step, a control step, and a recording step. In the imaging step, an image of a visitor (H1) and an authentication code (Q1) owned by the visitor (H1) is captured and the image is output. In the processing step, the two types of images output in the imaging step are acquired and image processing is performed. In the control step, the system switches to one of two operating modes: a visitor response mode for calling a resident of a dwelling unit, and a code authentication mode for authenticating the authentication code (Q1). In the recording step, at least one of the following images is recorded: an image of the visitor (H1) taken in visitor reception mode, and an image of the visitor (H1) taken in code authentication mode.

[0170] This embodiment can improve the security of apartment buildings.

[0171] The program according to the 15th embodiment causes one or more processors to execute the control method described above.

[0172] This embodiment can improve the security of apartment buildings. [Explanation of Symbols]

[0173] 1. Intercom system 2. Lobby intercom 3. Control device 5 Servers 7. External recording system 8. Communication terminals 18. Records Department (4th Records Department) 20 Control Unit (First Control Unit) 24 Imaging Department 25 Processing Unit 25A First Processing Unit 25B Second Processing Unit 26 Communications Department 28 Records Department (1st Records Department) 30 Control Unit (Second Control Unit) 32 Records Department (Second Records Department) 51 Records Department (3rd Records Department) 91 External Camera 100-102 Intercom System G1 Image (First Image) G2 Image (Second Image) H1 Visitor Q1 Authentication Code

Claims

1. Intercom equipment installed in apartment units in multi-unit housing, A lobby intercom installed in the lobby of the aforementioned apartment building, which locks and unlocks the lobby, The system comprises the aforementioned intercom device and a control device for controlling the lobby intercom, The aforementioned lobby intercom is, An imaging unit that captures images of visitors and the authentication codes they possess and outputs images, A processing unit that acquires two types of images from the imaging unit and performs image processing, A first recording unit that records images of the aforementioned visitors, The system includes an imaging unit, a processing unit, and a first control unit that controls the first recording unit, The control device is The intercom device and the lobby intercom are controlled by a second control unit, It has a second recording unit that records images of the aforementioned visitors, The two types of images include a first image capturing the visitor and a second image capturing the authentication code. The first control unit is, A visitor reception mode that calls the resident of the aforementioned dwelling unit, It has a code authentication mode for authenticating the aforementioned authentication code, The operating mode is configured to switch between the visitor reception mode and the code authentication mode, At least one of the images from the first image during the visitor reception mode and the first image during the code authentication mode is recorded in the first recording unit or the second recording unit. Intercom system.

2. The first image is an image captured by the imaging unit during the customer reception mode. The second image is an image captured by the imaging unit during the code authentication mode. The intercom system according to claim 1.

3. The system further includes an external recording system for recording the first image, The aforementioned processing unit, A first processing unit that acquires and processes the first image when in the customer reception mode, and acquires and processes the second image when in the code authentication mode, It includes a second processing unit that acquires the first image and performs image processing during the customer reception mode and the code authentication mode, The first control unit is, The first image processed by the first processing unit during the customer service mode is recorded in the first recording unit or the second recording unit. At least one of the images of the first image during the customer reception mode, processed by the second processing unit, and the first image during the code authentication mode, processed by the second processing unit, is recorded in the external recording system. The intercom system according to claim 1.

4. The lobby intercom further includes an external camera that captures the visitor and generates the first image, The first control unit is, The first image generated by the external camera during the code authentication mode is recorded in the first recording unit or the second recording unit. The intercom system according to claim 1.

5. The first control unit is, At least one of the first image captured by the imaging unit during the visitor reception mode and the first image generated by the external camera during the visitor reception mode is further recorded in the first recording unit or the second recording unit. The intercom system according to claim 4.

6. The first image has a different field of view than the second image. The intercom system according to claim 1.

7. The system further includes a server for managing information related to the aforementioned dwelling units, The first control unit records the first image in the third recording unit of the server. The intercom system according to claim 1.

8. The first control unit records the first image in the fourth recording unit of the intercom device. The intercom system according to claim 1.

9. The first control unit records information relating to the visitor along with the first image in the first recording unit or the second recording unit. The intercom system according to claim 1.

10. It is further equipped with a communication terminal that performs wireless communication using radio waves as a medium. The lobby intercom further includes a communication unit that communicates with the communication terminal, The first control unit transmits the first image to the communication terminal via the communication unit. The intercom system according to claim 1.

11. The first control unit is configured to obtain permission from the visitor to record the first image before recording it in the first recording unit or the second recording unit. The intercom system according to claim 1.

12. The first control unit is configured to obtain permission from the visitor to transmit the first image before transmitting it to the communication terminal. The intercom system according to claim 10.

13. The first control unit is, The system is configured to obtain permission from the visitor during the code authentication mode. If permission cannot be obtained from the visitor, the operating mode is switched from the code authentication mode to the visitor reception mode. The intercom system according to claim 11 or claim 12.

14. A control method for controlling an intercom system comprising: an intercom device installed in a dwelling unit of an apartment building; a lobby intercom installed in the lobby of the apartment building for locking and unlocking the lobby; and a control device for controlling the intercom device and the lobby intercom, The imaging step involves capturing images of the visitor and the authentication code possessed by the visitor and outputting the images, A processing step which involves acquiring two types of images output in the aforementioned imaging step and performing image processing, A control step that switches to one of two operating modes: a visitor reception mode for calling the resident of the dwelling unit, and a code authentication mode for authenticating the authentication code. The method includes a recording step of recording at least one of the images: an image of the visitor taken during the visitor reception mode and an image of the visitor taken during the code authentication mode. Control method.

15. The control method described in claim 14 is to be executed by one or more processors. program.

Images