1327 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 field operation safety management, and discloses a field operation personnel safety assessment method based on network data acquisition and positioning, which comprises the following steps: dynamically selecting an anti-interference mode by a multimode positioning technology to obtain positioning data, correcting track offset caused by terrain reflection interference by combining a track prediction model, and calculating the safety of field operation personnel. A signal enhancement node is utilized to construct an ad hoc network to optimize data transmission, a safety evaluation model fused with a topographic slope trend is established for purified positioning data, parameters such as a speed threshold and a safety judgment threshold are dynamically adjusted by detecting surrounding obstacle distribution in real time, and when a safety state is abnormal, the positioning data are subjected to safety evaluation. And generating an optimal risk avoiding path based on the terrain trafficability network, and synchronously starting three-channel emergency broadcast of the cellular network, the wireless talkback and the node relay. According to the method, the complex terrain positioning precision and the anti-interference capability are improved, the data transmission reliability is enhanced, dynamic risk assessment and early warning are realized, and the emergency response efficiency and the rescue success rate are improved.

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 utility model provides an intelligent scheduling command platform with integrated scheduling, and effectively solves the problem that the scheduling work is influenced because an interphone and a camera in the prior art are lack of effective means of effective electric quantity. The dispatching command platform comprises an electric quantity monitoring module, the electric quantity monitoring module comprises a primary diagnosis circuit and a secondary diagnosis circuit, the primary diagnosis circuit detects a current signal of a battery in dispatching equipment during use by using a current sensor, obtains a reminding signal and an early warning signal based on the current signal, and sends the reminding signal and the early warning signal to the secondary diagnosis circuit; the reminding signal and the early warning signal are output to a command center; the primary diagnosis circuit is connected with one end of the secondary diagnosis circuit, and the other end of the secondary diagnosis circuit is connected with the command center.

The invention relates to the technical field of intelligent transportation, and discloses a mine intelligent transportation method and system. The method comprises the following steps: performing time sequence filtering and gradient denoising on mine transportation node temperature data acquired by a thermal imaging camera to obtain a temperature characteristic matrix; identifying transportation abnormal information based on the temperature characteristic matrix; executing temperature mode matching according to the transportation abnormal information, and generating a transportation operation instruction set; performing mine channel temperature safety path planning by taking the transportation operation instruction set as a constraint condition to obtain a transportation execution scheme; after the specific position of a mine worker is positioned in real time through a thermal imaging camera, a transportation execution scheme is converted into a standardized voice instruction, the standardized voice instruction is pushed to the corresponding worker through an interphone network partition, and scheduling feedback data containing instruction receiving confirmation and execution progress are obtained in real time. According to the invention, operators are accurately positioned through thermal imaging, and partition pushing is realized in combination with an interphone network, so that the intelligent level and safety of mine transportation are improved.

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.

A hearing aid, comprising a microphone configured to produce a microphone output signal representing sounds transduced by the microphone; an earphone speaker configured to convert an equalized output electrical signal into acoustic waves; a Bluetooth wireless transceiver; and an automated processor configured to spot a plurality of different keywords; and selectively control a Bluetooth communication partner dependent on the spotted keyword.

A voice intercom system and method therefor are disclosed. The method includes wirelessly transmitting intercom directory data to a smartphone. The intercom directory data facilitates generation, on the smartphone, of an intercom access directory interface having a plurality of call initiation selection options, each with respect to which a call to a respective call recipient can be attempted.

To provide an intercom system capable of setting, by operation on a wireless master unit, the wireless master unit itself to a sleep mode.SOLUTION: An intercom system has a slave unit 1 with a function to call a resident and a master unit 2 with a function to respond to calls from the slave unit 1, and the master unit 2 includes a portable wireless master unit 31 in addition to a fixedly installed main master unit 21, and the wireless master unit 31 can respond to calls from the slave unit 1 by wirelessly communicating with the main master unit 21. The wireless master unit 31 has a sleep button 33a that sets the wireless master unit to a sleep mode in which no calling operation is performed. When the wireless master unit 31 is set to the sleep mode, no calling operation is performed even if the slave unit 1 is operated to call and a call signal is sent to the wireless master unit 31 via the main master unit 21.SELECTED DRAWING: Figure 1

The invention relates to the technical field of high-altitude operation, and discloses a high-altitude operation intelligent safety belt early warning method based on the 5G Internet of Things, which comprises a multi-dimensional acquisition module, an emergency positioning module and an early warning management module. According to the system, data sets are collected through the multi-dimensional collection module, risk indexes are calculated and generated through the emergency positioning module, the environment quality and the communication quality of the position where an operator is located are comprehensively evaluated, communication is smooth, the rescue action safety is higher, and the emergency positioning module calculates and generates a tracking trajectory; the dynamic track of each operator is monitored and played back in real time, safety management is enhanced in emergency, the emergency response unit calculates and generates a three-dimensional model, the field sensing capability is high, the fire point and the fire reason can be quickly analyzed, the early warning management module judges the safety state of the operator, and the safety of the operator is improved. And corresponding alarm signals are generated and then transmitted to the intercom device and the central control board, so that the operation is standard and the rescue efficiency is high.

The invention discloses a float-type vertical floating handheld interphone and charging seat, and the interphone comprises a housing assembly which comprises a front cover and a rear cover, the interior of the housing assembly is provided with an accommodation cavity, and the bottom of the accommodation cavity is provided with a battery assembly; the display control assembly is arranged in the accommodating cavity; the antenna assembly is mounted on the shell assembly; the charging seat is provided with a charging cavity, the charging cavity is provided with a charging contact, and the charging contact is used for being connected with the interphone or being independently connected with the battery assembly for charging. The handheld interphone has the beneficial effects that the accommodating cavity and the internal components are arranged, the interphone equipment is downwards stretched by the weight of the battery component, the interphone can stand on the water surface after falling into water, so that the whole handheld interphone can vertically float after falling into water, signal emission is not influenced, and meanwhile, the handheld interphone is provided with the dual-purpose charging seat, so that the interphone is convenient to use. The charging device can directly charge the handheld interphone, or can be connected with a detached battery assembly for charging, and is convenient to use.

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.

The application discloses a communication method and terminal based on a multi-level architecture, which introduces a user listening method to multiple communication groups, so that the user can simultaneously realize information communication with multiple groups on one terminal, and effectively improves communication efficiency. Moreover, through the multi-level communication group broadcasting method, the user can flexibly publish flat instructions to the groups under his jurisdiction and dispatch according to the demand of the published instructions, thereby avoiding the invalid channel resource occupation problem caused by the full-system broadcasting in the traditional intercom.

To unlock auto-locks at entrances, or the like.SOLUTION: The building is provided with an indoor intercom master unit 7, a first button pressing device 5 for pressing a talk button, a second button pressing device 6 for pressing an unlock button, and an indoor communication terminal 2 for sending operation commands to the first and second button pressing devices 5, 6. A management server 1 is capable of communicating with the indoor communication terminal 2. The management server 1 causes a user terminal 3 to display a first-stage display for unlocking the auto-lock, and when an operation is performed on the user terminal 3 in response to the first-stage display, causes the user terminal 3 to display a second-stage display related to operation of the intercom. After the user operates the intercom in accordance with the second-stage display, the management server 1 receives an unlocking command from the user terminal 3, and upon receiving the unlocking command, sends an instruction to the indoor communication terminal 2 to drive the first button pressing device 5 and the second button pressing device 6.SELECTED DRAWING: Figure 1

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.

The invention discloses a method for limiting the number of users capable of being borne by a service through a private certificate, and belongs to the technical field of computer network security and access control, and the method specifically comprises the following steps: S1, generating a private certificate: a certificate generator obtains host information and user demand parameters of service deployment, and carries out symmetric encryption to generate an encrypted private certificate; s2, service deployment and analysis: inputting the encrypted private certificate into a service system, decrypting the certificate by the service system, and analyzing to obtain host information and user demand parameters; initializing a user connection number threshold control module in the service system according to the number of bearable users; s3, user access control: the user terminal initiates a connection request to the service system, and the service system detects the current user connection number in real time and judges whether to access or not; according to the invention, through triple integration of certificate function extension, a dynamic control chain and authority automatic isolation, static authorization of a traditional intercom system is upgraded to a resource sensing type dynamic management and control system.

1. Name of the designed product: toy (intercom). 2. Use of the designed product: for toys. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.

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.

1. The name of the design product: intercom (M5). 2. The use of the design product: intercom for realizing long-distance conversation. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates 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.