998 results about "Intercom" patented technology

The invention relates to the related field of a peacetime and urgency dual-purpose communication technology, in particular to an interphone peacetime and urgency dual-purpose dual-mode parallel communication method. According to the invention, dual-mode parallel communication is carried out through a private network emergency channel and short message communication of a Beidou satellite communication system, the two modes operate independently and do not interfere with each other, when one communication mode is limited, the other communication mode can continue to work, parallel transmission of voice and data is realized, the problem that single communication fails in a complex environment is effectively solved, and the communication efficiency is improved. The continuity and reliability of communication in an emergency scene are ensured, key information is ensured not to be lost, and the development of emergency rescue work is facilitated.

The invention relates to the technical field of wireless communication, in particular to a public network interphone with a quantum chip. According to the interphone, a master control module and a quantum security chip work cooperatively, a quantum random number generator is used for dynamically deriving a session key, and offline security distribution of a group master key is realized by encrypting a two-dimensional code; in a communication process, a system adaptively switches a voice coding mode according to a network condition, end-to-end authentication encryption is carried out on voice data by using a hardware encryption engine, and low-delay transmission is guaranteed through a network priority mark; the device establishes a complete key life cycle management mechanism, supports regular update and forward security of session keys and instant update and backward security of a group master key when members change, and ensures that all key operations are completed in a quantum chip. According to the invention, various eavesdropping and tampering attacks are effectively resisted, and safe, real-time and clear high-confidentiality voice communication in a public network environment is realized.

The invention discloses an interphone power saving method and device for dynamically adjusting a low noise amplifier working point, and the method comprises the following steps: S1, periodically collecting a digital intermediate frequency signal in a receiving stage, and calculating a first parameter and a second parameter, the first parameter being a current received signal strength indication value, and the second parameter being a current signal-to-noise ratio estimation value; s2, when the first parameter is higher than a first threshold value and the second parameter is higher than a second threshold value, it is judged that a low-power-consumption access condition is met; s3, when N continuous cycles all meet the low-power-consumption access condition, the baseband processor outputs a first control signal, and the bias working point of the low-noise amplifier is switched to a low-power-consumption mode; and S4, in a low-power-consumption mode, if the first parameter is lower than a third threshold value or the second parameter is lower than a fourth threshold value, outputting a second control signal, and switching the bias working point of the low-noise amplifier to a high-performance mode, thereby solving the problem of high static power consumption of the interphone receiving link on the premise of ensuring the communication reliability.

1. The name of the designed product: intercom (A200). 2. The use of the designed product: for intercom. 3. The design points of the designed product: the combination of shape and pattern. 4. The picture or photo that best shows the design points: front view.

The utility model provides a kind of multimode flat intelligent device, it is characterized by including: with the first shell with first communication interface on multimode intercom movable connection, the second shell with operating button on it is hinged with first shell by hinge shaft, the first communication interface on first shell is inserted with the communication interface on multimode intercom, first communication interface, operating button and microcontroller in first shell or second shell are electrically connected.The existing function of multimode intercom can be used to directly connect the device, complete the operation and accurate transmission of the car control instruction, reduce the communication and waiting time in the car operation, improve the efficiency of the car operation, avoid the vehicle collision, derailment and other accidents caused by misoperation, ensure the safety of railway transportation, without changing the existing system architecture, realize the upgrading of equipment, improve the safety and practicality of equipment.

1. The name of the designed product: intercom. 2. The use of the designed product: for long-distance communication. 3. The design points of the designed product: in shape. 4. The picture or photo that best shows the design points: Design 1, perspective view 1. 5. Design 1 is designated as the basic design.

1. Name of the product in this design: Internal Communication Main Unit. 2. Purpose of this design: For internal multi-person communication in various industries. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

1. The name of the designed product: intercom (2603). 2. The use of the designed product: for communication. 3. The design points of the designed product: the combination of shape and pattern. 4. The picture or photo that best shows the design points: perspective view.

The invention relates to the field of interphones, in particular to an interphone for an elevator wireless intercom system, which comprises a mounting plate, a video intercom unit arranged on the mounting plate, a connecting unit arranged on the video intercom unit and a safety unit arranged on the connecting unit. Under the action that the inclined surface I and the clamping groove are matched with the inclined surface III and the clamping surface, the video interphone is locked and unlocked in the mounting groove, so that a passenger can conveniently take down the video interphone, take down the video interphone, hold the video interphone by hand and move the video interphone to the side of the mouth for conversation and directly close the microphone to a sound source when an emergency occurs. And the pickup distance is shortened to 5-10cm from fixed 0.5-1m, so that the problem of voice blurring caused by long distance and noisy environment of the traditional fixed interphone is avoided, and the accurate transmission of help seeking information is ensured.

1. The name of the design product: intercom indoor unit (RL-3213D). 2. The use of the design product: for building guest intercom communication. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

The utility model relates to the technical field of explosion-proof interphones, in particular to a portable explosion-proof interphone, which comprises an interphone body and a shell, the lower half part of the interphone body is provided with an arc-shaped side edge, and a positioning component is arranged in the shell; each positioning assembly comprises an arc-shaped rubber plate, a positioning block and a springback rod, the arc-shaped rubber plates are located on the lower half portion of the shell, the springback rods are fixedly arranged in the arc-shaped rubber plates, the positioning blocks are movably connected to the top ends of the springback rods in an inserted mode, and the two positioning assemblies are symmetrically arranged in the shell. A fixing block and an elastic bandage are arranged on the back of the shell, the fixing block is divided into a mounting block and a placing block, the placing block is fixedly arranged on the back of the shell, a mounting groove is formed in the middle of the placing block, and the mounting block is detachably arranged in the mounting groove through magnetic attraction. A user can select one or two to use simultaneously by himself / herself, and position changing, dismounting and mounting are convenient.

The invention relates to the technical field of cooperative communication, in particular to a digital interphone and satellite telephone cooperative communication control method and system, and the method comprises the steps: obtaining the working time sequence of a geophysical exploration instrument and the attribute information of each digital interphone; dividing the digital interphones into a first interfered group and a second interfered group according to the attribute information; establishing an expected link available state sequence according to the working time sequence; incorporating the voice frame sequence into a first or second co-processing queue; performing time correspondence on the voice frames in the first co-processing queue and an expected link available state sequence to obtain a target voice frame sequence, and forwarding the target voice frame sequence to a second interfered group through a satellite link or an intercom link; and according to the expected link available state sequence corresponding to the first interfered group, performing link selection sending control on the voice frames in the second cooperative processing queue. According to the invention, the problem of unstable talkback communication under the condition of strong transient electromagnetic interference is overcome, and the reliability and continuity of on-site voice communication are improved.

1. The name of the design product: visual intercom door phone (TC-5000D-Q10X). 2. The use of the design product: the design product is used for building visual intercom. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

The invention relates to the technical field of interphones, and provides a suspended building interphone based on the Internet of Things, the suspended building interphone comprises an interphone body, a suspension support and a shielding protective cover, the suspension support is installed on a building wall, two lifting sliding grooves are formed in the suspension support, a sliding support is slidably connected between the two lifting sliding grooves, and the shielding protective cover is arranged on the suspension support. The interphone body is arranged on the sliding support, a traction lifting structure used for driving the sliding support to move longitudinally is arranged at the top of the suspension support, the shielding protective cover is fixedly connected to the top of the suspension support, an access port is formed in the bottom of the shielding protective cover, and a sound insulation layer is arranged at the bottom of the interphone body. The interphone body enters the shielding protective cover, and the sound insulation layer is matched with the access port. According to the technical scheme, the problem that in the prior art, due to the high safety of the building interphone based on the Internet of Things, inconvenience is caused when the building interphone is used for conversation, broadcasting, video and other different communication operations is solved.

1. The name of the design product: sports intercom. 2. The use of the design product: for communication. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1. 5. Other circumstances that need to be explained: use state reference figure 1, 2 for loading back clip magnetic use state.

1. The name of the design product: parking lot entrance and exit identification machine. 2. The use of the design product: the automatic identification of license plates at the entrance and exit of parking lots, with sound and light, text, voice prompts, and voice intercom and interactive functions to complete vehicle payment and release. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective drawing.

The invention discloses a point-to-multipoint visual intercom method in the building field, and aims to solve the technical problems of over-high bandwidth occupation, large transmission delay, inconsistent multi-terminal synchronization and disordered authority management during point-to-multipoint intercom in the prior art. According to the method, multi-terminal communication connection is established through a talkback management server, bandwidth is dynamically allocated based on terminal attributes and network states, visual talkback data is scheduled in combination with hierarchical authority, and multi-terminal real-time interaction is achieved through a progressive synchronous correction mechanism. Experimental verification shows that the method can reduce the total bandwidth occupation of point-to-multipoint talkback by more than 47%, control the transmission delay within 80ms, the synchronization error less than 10ms and the lagging rate less than 1%, and is suitable for a multi-terminal visual talkback system in scenes such as building communities, office buildings and the like.

The invention discloses an anti-interference interphone capable of automatically adjusting blocking, which comprises a protective shell, a display module is arranged on the protective shell, a high-performance antenna is arranged at one end of the top of the protective shell, and a sensor module is integrally arranged on the high-performance antenna. A signal processing chip, a power management module, a storage module and a software algorithm module are arranged in an inner cavity of the protective shell, and information interaction is carried out between the protective shell and the signal processing chip through electric connection. According to the interphone capable of automatically adjusting blocking and resisting interference, blocking and resisting interference can be automatically adjusted in real time through the interphone, clear and stable communication can be kept in various complex electromagnetic environments, and no matter under strong electromagnetic interference generated by numerous electrical equipment in factory workshops or in various wireless signal interlaced environments in cities, the interphone can be used as a communication interface for the interphone. Interference signals can be effectively filtered, the accuracy and integrity of voice transmission are ensured, and the communication quality is improved.

1. Name of the product in this design: Window Intercom (DS-989). 2. Purpose of this design: This design is used for window intercom, wherein the main unit is component 1 and the secondary unit is component 2. 3. The key design feature of this product is its shape. 4. Images or photos that best illustrate the design highlights: a reference diagram showing the combined usage.

1. The name of the design product: child video interphone (V1). 2. The use of the design product: the design product is used for video and communication device. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: perspective view 1.

This application relates to the field of electronic product technology, specifically to a call system and call method. The method includes: a first electronic device receiving an incoming call request; in response to the request, the first electronic device sending a vibration notification to a second and a third electronic device, causing the second and third electronic devices to alert them to the incoming call. Upon receiving an answer instruction, the first electronic device answers the call corresponding to the request and transfers the call to the second electronic device. After transferring the call to the second electronic device, the first electronic device receives a switching instruction and transfers the call to the third electronic device. This method solves the problem of not being able to control call transfer between other electronic devices after an electronic device has connected a call.

The utility model discloses a gluing-free waterproof key structure of an interphone. The gluing-free waterproof key structure comprises a key mounting hole site, a silica gel key and a locking fastener. The key mounting hole site is a stepped hole site which is close to the outer side and is a first aperture hole site, is close to the inner side and is a second aperture hole site, and the first aperture is larger than the second aperture. The silica gel key comprises a key cap part and a touch rod part, the key cap part comprises a pressing surface, a first bending side wall which is bent along the edge of the pressing surface, and a second bending bottom wall which is bent along the lower end of the first bending side wall, and the first bending side wall, the second bending bottom wall and the inner side of the pressing surface form a clamping groove position. A hollow through hole is formed in the locking fastener, a front-end flange and a rear-end flange are arranged on the outer wall of the locking fastener along orifices of the two ends of the hollow through hole respectively, a clamping position is formed between the front-end flange and the rear-end flange, the touch rod part of the silica gel key is inserted into the hollow through hole, the rear-end flange is clamped into the clamping groove position, and the front-end flange of the locking fastener is inserted into the second aperture hole position. The second bent bottom wall and the second aperture hole site are connected in a clamping mode through the clamping position.

This utility model discloses a multi-functional fire-fighting intercom, including a main body and an intercom module, a temperature detection module, a control module, a gas detection module, a stationary detection module, an alarm module, and a battery integrated on the main body. The intercom module has a microphone speaker on its left or right side. The temperature display panel of the temperature detection module is located on the top of the main body. The gas detection module has a gas detection probe and an information display window on its front, displaying the concentration of the detected gas. The stationary detection module includes an accelerometer sensor to sense the speed of the main body. The alarm module includes an alarm speaker and several alarm indicator lights. The control module is electrically connected to the gas detection module, the stationary detection module, and the alarm module. The battery is electrically connected to each module. This significantly expands the uses of the intercom and effectively improves the safety of firefighters during fire rescue operations.

The utility model relates to interphone SMT paster technical field, in particular to an SMT paster dispenser, including bottom plate, two support frame, transmission subassembly and dispensing mechanism, the two support frame with bottom plate fixed connection, transmission subassembly includes drive motor, drive roller, rolling roller, conveyer belt, limit piece and fixed piece, drive motor with drive roller one end fixed connection, and drive roller one end fixed connection, rolling roller one end fixed connection, conveyer belt one end fixed connection. The other end of the driving roller is rotationally connected with the supporting frame, the rolling roller is rotationally connected with the supporting frame, the conveying belt is arranged on the outer side of the driving roller and the outer side of the rolling roller, the limiting piece is fixedly connected with the supporting frame, the fixing piece is fixedly connected with the supporting frame, and the dispensing mechanism is fixedly connected with the bottom plate. The surface of the circuit board is effectively prevented from moving, so that the reject ratio of the circuit board and the labor intensity of operators are reduced.

1. Name of the designed product: child video intercom (C64). 2. Use of the designed product: a child intercom that can make long-distance video calls. 3. Design points of the designed product: in shape. 4. Picture or photo that best shows the design points: perspective view.

The invention discloses an amplified phone voice sub-control terminal and a voice intercom system, and belongs to the technical field of intercom communication systems. Comprising a display screen, a main amplified phone, a storage module and a communication module, the display screen is used for displaying information of each control box and slave amplified phones subordinate to each control box, the information comprises names of the control boxes, numbers of the amplified phones and states of the slave amplified phones, and the display screen is also used for displaying global call keys and unicast keys; the master amplified phone is used for collecting audio data and playing the audio data sent by the slave amplified phone; the storage module is used for synchronously storing the audio data and generating a sound recording file; and the communication module is used for sending the audio data to the slave amplified phone according to a preset format and receiving the audio data sent by the slave amplified phone. According to the technical scheme, equipment information and calling keys can be visually displayed, operation is convenient, global broadcast and unicast are supported, scheduling flexibility is improved, and meanwhile call data can be reserved.

1. The name of the design product: VIP positioning access card. 2. The use of the design product: for access control system, authority identification, alarm, positioning, voice intercom function. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective drawing.

This application discloses electronic devices. These devices may include mobile phones, tablets, handheld computers, walkie-talkies, POS machines, dashcams, wearable devices, virtual reality devices, or pre-installed automotive devices, etc., all with screens. By providing an airflow channel between the screen and a middle plate, communicating with through holes on the middle plate, airflow between the screen's designated position and the middle plate, and between the middle plate and the cover, is achieved. This solves the problem of screen deformation and failure caused by sudden changes in external air pressure.