52 results about "Communication unit" patented technology

A communication apparatus capable of easily identifying a communication partner and securely sharing a session key between the communication apparatus and the communication partner even if the communication apparatus has a processing power that is not so high includes a short-range active communication unit 101 transmitting an inquiry signal to a short-range external communication apparatus by electromagnetic waves and waiting for a response to the inquiry signal; a long-range communication unit 104 capable of communication by the electromagnetic waves in a range wider than the communication area of the short-range active communication means; a switching unit 111 switching to either the short-range active communication unit or the long-range communication unit; and an asymmetric key generator 102 generating a pair of an encryption key and a decryption key corresponding to the encryption key. The communication apparatus is characterized by using the decryption key to decrypt an encrypted session key transmitted from the external communication apparatus and transmitting to the external communication apparatus a communication switching request signal to request the switching to the long-range communication unit and communication by using the long-range communication unit.

Disclosed is a headset which includes a radio communication unit and control unit. The radio communication unit has 2 communication mode. The first mode is used for communication with an access point connected to a fixed network. The second mode is used for communication with a specific portable communication terminal. The communication control unit judges whether the headset can communicate with the access point. The communication control unit selects either one of said first and said second mode based on the judgment result. When the first mode is selected, the communication control unit connects the headset to the fixed network with the telephone number of the specific portable communication terminal as a telephone number of the call originating party.

The invention provides a voice auto-answer cloud server, a voice auto-answer system and a voice auto-answer method. The voice auto-answer cloud server comprises a communication unit, a recognizing and matching unit and a research and response unit. The communication unit is used for receiving a voice request sent by a user. The recognizing and matching unit conducts recognition and fuzzy matching on the voice request so as to confirm user needs which match with the voice request, wherein each user need in the fuzzy matching process matches with a plurality of voice requests. The search and response unit searches corresponding response information according to the user needs and sends the response information to the user through a communication module. The voice auto-answer cloud server, the voice auto-answer system and the voice auto-answer method are suitable for various different voice instructions and are convenient to use.

The invention relates to a washing machine (1) which is designed for preparing hot water, having a water tank (13) connected to an external water supply (3), and having a control and communication unit (12) for controlling a process for preparing hot water and for communicating with an external unit (2), wherein the external unit (2) is designed for providing information regarding energy costs for operating the washing machine (1), and the control and communication unit (12) is designed such that it is possible to activate the process for preparing hot water in the water tank (13) as a function of the information provided by the external unit (2).

The invention discloses a battery pack active equalization method and a battery pack active equalization device. The battery pack active equalization device is composed of an intelligent control unit, a BMS communication unit, a differential-amplification pressure difference detection unit, and an electric energy transfer unit. The BMS communication unit acquires the current value and ampere hour from a BMS. The differential-amplification pressure difference detection unit detects the voltage of batteries one by one through a differential amplifier and sends the detection values to the intelligent control unit. The electric energy transfer unit is used for transferring energy from a battery cell to a battery cell, from a battery cell to a battery module or from a battery cell to a battery pack. The intelligent control unit receives the current value and ampere hour information acquired by the BMS communication unit and the test values of the differential-amplification pressure difference detection unit, and makes operational analysis according to the received current value and ampere hour information acquired by the BMS communication unit and the test values of the differential-amplification pressure difference detection unit so as to make the electric energy transfer unit transfer the energy of battery cells. The method and the device of the invention have the characteristics of high equalization efficiency, accurate equalization current flow and high cost performance.

An output circuit sends out, to an input circuit, a control pilot signal generated by a voltage source. A voltage transformer is provided to a control pilot line on the output side of the output circuit, and a communication unit transmits and receives communication signals via the voltage transformer. A voltage transformer is provided to the control pilot line on the input side of the input circuit, and a communication unit transmits and receives the communication signals via the voltage transformer. A low-pass filter is provided to the control pilot line between the input circuit and the voltage transformer.

An automatic traveling servo charging platform for an electrical vehicle comprises a central control unit, power storage/generation unit, communication unit, positioning and navigation unit, charging component and automatic driving unit. The automatic traveling servo charging platform tracks a vehicle to be charged and can charge an electrical vehicle while the electrical vehicle is traveling. A servo charging delivery system comprises a control center and multiple automatic traveling servo charging platforms, and provides a charging service for multiple electrical vehicles. The servo charging delivery system can provide a charging service for electrical vehicles in a timely manner, and free the electrical vehicles from the dependency on a fixed charging station, thus effectively increasing traveling capability of the electrical vehicles. The automatic traveling servo charging platform can track an electrical vehicle and charge the electrical vehicle during operation/motion thereof without waiting and interruption to the operation of the vehicle.

A communication system includes a first device at a first site and a second device at a second site communicating with each other. The first device includes a communication start unit to start communication with the second device, a connection information obtainment unit to obtain connection information from another device at the first site connected with the first device by wire or wirelessly, for another device at the second site to connect with the other device at the first site, and a transmitter unit to transmit the connection information to the second device. The second device includes a receiver unit to receive the connection information from the first device, and another device communication unit to transmit the connection information received by the receiver unit, to the other device at the second site connected with the second device by wire or wirelessly.

The invention relates to a separated type optical testing device based on a commonly-used mobile intelligent terminal. The separated type optical testing device comprises an operation end based on the commonly-used mobile intelligent terminal and at least one testing front end. The testing front end comprises a data acquiring unit, a data processing and controlling unit and a short-distance communication unit which are connected in sequence. The data acquiring unit is used for obtaining data of a front end circuit. The data processing and controlling unit is used for processing the obtained data and calculating and controlling the obtained data. The short-distance communication unit is used for being communicated with the operation end. The operation end based on the mobile intelligent terminal comprises a man-machine interface unit for achieving a user interface, a main control unit for finishing device management and required numerical calculation processing, a short-distance communication unit for achieving an application communication protocol between the short-distance communication unit and the testing front end, and a wide-area communication unit for achieving a long-distance application communication protocol. The separated type optical testing device can form a man-machine interface with good experience and can form testing records in real time.

In a communication apparatus has a line control unit that controls connection with a communication line network, a communication unit transmits/receives data through the communication line network. A detection circuit detects one of a line voltage value and a line current value when the communication apparatus is connected to the line network. A memory unit stores multiple voltage-current characteristic curves defining relationships of line voltage values with respect to line current values satisfying a predetermined standard. An adjusting unit adjusts the line voltage value and the line current value so as to satisfy the predetermined standard based on one of the voltage-current characteristic curves stored in the memory unit. A selecting unit selects another voltage-current characteristic curve different from the one of the voltage-current characteristic curves from among the multiple voltage-current characteristic curves stored in the memory unit. A re-adjusting unit adjusts one of the line voltage and a line current.

The invention discloses a vehicle-mounted accident informing system, which comprises mobile intelligent electronic equipment and vehicle-mounted accident monitoring equipment arranged on a car, wherein the vehicle-mounted accident monitoring equipment comprises a vibration sensor, an infrared sensor, an inclination sensor, a processing module, a Bluetooth module and a GPS (Global Positioning System) module; the mobile intelligent electronic equipment comprises a processing unit, a Bluetooth unit and a remote wireless communication unit. When signals of the three sensors are greater than a preset threshold value, a phone call is made or a short massage is sent to a preset phone number through the system so as to inform the occurrence and place of an accident. By adopting the system, relevant departments or relatives and friends can be informed of the place of the accident in time, so that the death rate and disability rate in car accidents are lowered to the maximum extent, and the timelines of rescue is ensured. The invention further relates to a car accident informing method.

A network device is provided, which includes a communication unit and a processing unit. The communication unit is configured to perform a time setting process with a master clock device. The processing unit is coupled to the communication unit and is configured to control the communication unit to perform a time synchronization process for obtaining a time offset of the network device relative to the master clock device. The processing unit is further configured to calculate a processing time elapsed during the time synchronization process and obtain a correction time by calculating the system time of the network device, the time offset and the processing time.

The invention discloses an intelligent real estate management system, which comprises an intelligent real estate management platform, a wireless communication unit and a plurality of intelligent real estate terminals, and the intelligent real estate terminals communicate with the intelligent real estate management platform through the wireless communication unit; real-time monitoring and unified management of the real estate information are realized through the intelligent real estate management platform, and simplified operation of the real estate information is realized through operation on the intelligent real estate terminal so that introduction of the real estate information to the user by the working personnel is facilitated. And meanwhile, safe data transmission between the intelligent real estate management platform and the intelligent real estate terminal is realized.

The invention provides an intelligent inspection robot for power equipment, which comprises a track assembly, a track robot and an upper computer control system. The track robot is arranged on the rail assembly in a sliding mode. The upper computer control system comprises a local control unit, a communication unit and a man-machine interaction unit. The local control unit is used for issuing various operation instructions to the track robot. The communication unit is used for realizing data intercommunication between the local control unit and the man-machine interaction unit. The man-machineinteraction unit is used for realizing remote control of the track robot. Real-time acquisition and intelligent analysis of operation condition information such as the state of the track robot and device signals can be realized, environmental quality factors such as temperature and humidity can also be monitored, and the requirement for inspection operation of power equipment can be met.

Provided is an image forming system where a plurality of image forming apparatuses for printing an image on a sheet based on a job, and outputting the image are connected with one another in a communicable manner, including a communication unit to carry out the communication, and a control unit to manage the job, and control the communication unit, where the control unit divides the job for sequentially processing a plurality of steps into a plurality of divided step jobs, executes a former part of the divided step jobs on an image forming apparatus which can execute the former part of the divided step jobs, and reserves a latter part of the divided step jobs on an image forming apparatus which can execute the latter part of the divided step jobs, and is different from the image forming apparatus, thereby enabling efficient execution of the job.

The invention discloses a control system for an electricity meter box based on an intelligent lock. A monitoring system comprises a box door opening state detection module, a microprocessor, a communication unit and a cloud server, wherein the output end of the box door opening state detection module is connected with the input end of the microprocessor and is used for transmitting the acquired box door opening state to the microprocessor; and the output end of the microprocessor is connected with the cloud server through the communication unit and is used for transferring the box-door state into the cloud server. The control system disclosed by the invention has the advantages that the structure is simple and is easy to achieve; through the monitoring of a box door of a box body, the control system is convenient for monitoring personnel to judge whether a person opens the box door or not according to the status of the box door and further can be convenient for the monitoring personnelto determine whether the possibility of power theft exists or not; the monitoring accuracy is higher; compared with historical data analysis, the box door of the electricity meter box only allows tobe opened by workers, otherwise the condition is considered as an abnormal condition; and the monitoring is more effective.

A display apparatus, a method of controlling the same, and a server thereof are provided, in which the display apparatus includes: a communication unit which communicates with a terminal via a conversation mode; a video processor which processes an image related to the conversation mode; a display unit which displays the image processed by the video processor; and a controller which controls the display unit to display a conversation graphical user interface (GUI) comprising a translation selection item and a conversation window for having a conversation with a user of the terminal if the conversation mode is selected, and provides a result from a translation of the conversation if the translation selection item is selected.

The present disclosure provides a control method and an electronic device. The electronic device comprises a first body, a second body and a sensor unit. The first body has a first communication unit, the second body has a second communication unit, the first body and the second body communicate with each other through the first and second communication units. A relative position between the first body and the second body is changeable. The method comprises: detecting a positional relation between the first body and the second body, determining a distance parameter between the first and second communication units based on the positional relation, and adjusting power of each of the first and second communication units based on the distance parameter between the first and second communication units.

A wireless communication apparatus and method, and a web browser using the apparatus are disclosed. The wireless communication apparatus is configured to communicate with a wireless base station. The wireless communication apparatus includes a communication unit, a switch unit, and an adjustment unit. The switching unit repeatedly switches the wireless communication apparatus from a sleeping mode to a listening mode after a listening interval, and the communication unit is able to communicate with the wireless base station during the listening mode. When the wireless communication apparatus performs a data access process with the wireless base station, the adjusting unit adjusts the listening interval to a first interval. After the wireless communication apparatus completes the data access process with the wireless base station, the adjusting unit adjusts the listening interval to a second interval, wherein the second interval is smaller than the first interval.

A digital image processing apparatus, system and a control method thereof are disclosed. The digital image processing apparatus includes an image sensor unit to sense hand-drawn information, a display unit to display complete information including the sensed information as partial information, a communication unit to transmit selected complete information among the complete information to a server and a controller. The controller controls the display unit so as to display the complete information by searching for the complete information, and also controls the display unit so as to display the selected complete information when one of the retrieved complete information is selected. The controller senses a hand-drawn marker and, when the sensed marker is a sharing attribute marker, links the sharing attribute marker with the selected complete information and controls the communication unit so as to transmit the selected complete information along with the sharing attribute marker.

The invention relates to an intelligent lifting height-limiting control system and a control method thereof. A computer management and control system transmits relevant commands to main control units which are separately mounted in all ramps through a network; and according to the commands, the position of a height limiting frame is lifted or lowered by the main control units. The intelligent lifting height-limiting control system comprises the main control units, an electronic label, an RFID communication unit, a video monitoring snapshot unit, a height limiting executing unit, a short message warning unit and a temperature compensated unit; the main control units are separately in communication connection with the RFID communication unit, the video monitoring snapshot unit, the height-limiting executing unit, the short message warning unit and the temperature compensated unit; the information of the electronic label is transmitted to the main control unit through the RFID communication unit; and the height-limiting executing unit consists of the height-limiting frame and a motor.

The mobile communication terminal includes an emergency call unit that includes a pressure detector detecting a pressure caused by an operation of a user and generates an emergency detection signal when the pressure detector detects a pressure of a predetermined reference value or more; a control unit that generates an emergency call signal when the emergency detection signal is received from the emergency call unit; and a communication unit that receives the emergency call signal from the control unit and transmits the emergency call signal to at least one of a guardian terminal and a management server, wherein the pressure detector includes position pins and an elastic unit located between the position pins and detects a pressure applied to the elastic unit when a pressure of a predetermined reference value or more is applied and the position pins are broken.

The invention discloses a BIM-based building operation and maintenance monitoring alarm system and method, and relates to the technical field of building monitoring. The system comprises a server anda plurality of clients, wherein each client comprises a data acquisition unit, a front-end data processing unit, a front-end data storage unit, a front-end communication unit and a front-end alarm unit; the server comprises a back-end communication unit, a back-end data processing unit, a back-end data storage unit, a back-end alarm unit and a client management unit; the data acquisition unit acquires monitoring data and sends the monitoring data to the front-end data processing unit; the front-end data processing unit outputs primary alarm information through the front-end alarm unit according to a set algorithm; the back-end data storage unit stores the data collected by the front end through a time sequence database, the back-end data processing unit analyzes and processes the stored time sequence data, and the back-end alarm unit outputs alarm information, so that the requirement of each client for data processing resource configuration can be reduced, and an enterprise user can operate the BIM system conveniently.