31results about How to "Clear transmission" patented technology

A system, method and apparatus for establishing a secure wireless radio communications link between two devices that minimizes the exposure of sensitive information to third party interception is disclosed. The secure link is established by first establishing an infrared link between the two devices for the exchange of sensitive information, such as encryption information. Subsequent communications would then have the benefit of encryption protection, establishing the secure wireless radio communications link.

The invention discloses the sending system, the method, and the receiving system in video broadcast system. The sending system includes following layers and procedures: application layer provides stream data of program (SDP); wireless resources control layer provides the control information (IC) of SDP, and IC of common channel transmission for concourse layer and MAC layer as well as controls stream data transmission of program in the concourse layer and the MAC layer; based on received IC, the concourse layer partitions SDP; based on received IC, the MAC layer forms MAC frame from partitioned SDP and IC of common channel transmission; through physical layer, the MAC frame is transferred to the receiving system. Also including application layer, concourse layer, wireless resources control layer, MAC layer, and physical layer. The receiving system executes reversible operation of each layer in the sending system to implement receiving SDP. Features are: clear hierarchy, simple and clear procedure for transmitting SDP.

The invention discloses an intelligent safety helmet. The intelligent safety helmet comprises a helmet body, an intercom device and a power source, the intercom device comprises a throat vibration headset, a noise processor, an audio encoding and decoding module, a microcontroller, an audio output device, a wireless communication device, a GPS (global positioning system) module and a display screen, the throat vibration headset is connected with the intercom device, the noise processor is connected with the throat vibration headset, the audio encoding and decoding module is connected with the noise processor, the microcontroller is connected with the audio coding and decoding module, the audio output device is connected with the audio encoding and decoding module, the wireless communication device is connected with the microcontroller, the GPS module is connected with the microcontroller, the display screen is connected with the microcontroller, a circuit accommodating cavity is formed in the rear of the helmet body, the noise processor, the audio encoding and decoding module, the microcontroller, the wireless communication device and the GPS module are integrally mounted in the circuit accommodating cavity, and the display screen is integrally mounted at an edge of the helmet body. Due to the above structure, a function of clearly transmitting voice in long distance in a noisy environment is integrated in the intelligent helmet, and the intelligent helmet is reasonable in structure and quite convenient to use.

The invention discloses a novel oxygen cabin control system and method thereof. The novel oxygen cabin control system comprises an oxygen cabin body and an oxygen cabin control table, wherein an optical fiber communication interface is formed in the oxygen cabin control table, and the oxygen cabin body is connected with the oxygen cabin control table through a communication optical fiber; an audio-video collector, a PLC collection controller, a cabin executor and a cabin collection sensor are arranged in the oxygen cabin body, and the cabin executor and the cabin collection sensor are connected with the PLC collection controller; and the PLC collection controller is connected with the oxygen cabin control table through a control optical fiber, and the audio-video collector is connected with the oxygen cabin control table through a control optical fiber. According to the scheme, the optical fiber is taken as a communication medium between the oxygen cabin body and the oxygen cabin control table, so that a communication line between the oxygen cabin control table and the oxygen cabin body is substantially reduced, the interference of external electromagnetic signals is avoided, the novel oxygen cabin control system is strong in anti-jamming capability, convenient to mount and maintain and high in communication speed and reliability; and a cabin automatic closed-loop control system is formed by virtue of the PLC collection controller, the cabin executor, the cabin collection sensor and the like, so that the stable and reliable control of parameters in the oxygen cabin can be realized.

The present specification relates to a method for transmitting and receiving data by a base station in a wireless communication system. More specifically, a terminal receives configuration information for configuration of a control resource set (CORESET) from the base station. Thereafter, the terminal receives first downlink control information (DCI) and second DCI for generation of ACK/NACK by using a semi-static method on the basis of the configuration information. The terminal receives a first physical downlink shared channel (PDSCH) and a second PDSCH, and transmits first Ack/Nack for the first PDSCH and Ack/Nack for the second PDSCH, on a resource scheduled by the first DCI.

An electronic device capable of transmitting and receiving a mail through an internet usually has from 12 to 20 operation keys inclusive of numerical keys and special keys. In order to input Japanese characters inclusive of “kanji” and special characters as data, complex operations must be executed by changing over the input mode. A portable data terminal as represented by a cellular phone or an electronic device such as a data terminal as represented by a personal computer or a desk top telephone, has such a shape that the first center line of the first housing and the second center line of the second housing come into agreement and in parallel with each other only in a state where the first housing and the second housing are folded by the hinge.

The invention discloses a face recognition camera device, and the device comprises: an acquisition module which is used for photographing a picture which comprises a face picture; a recognition modulewhich is connected with the acquisition module, wherin the recognition module is used for judging whether the shot picture acquired by the acquisition module is a face image or not; and a processingmodule, wherein the processing module is connected with the recognition module, and the processing module is used for beautifying the picture confirmed to be the face image by the recognition module and storing the beautified picture. The double-camera lens group is arranged in the face recognition camera shell, the face recognition chip is integrated, the double-camera lens group composed of themain camera and the auxiliary camera can restore pictures shot by the device to the maximum extent, then the face recognition chip is helped to respond faster and more accurately, and the recognitionerror rate is reduced.

The invention provides a controller cluster of a storage system, a message transmission method of the controller cluster and a readable storage medium, and belongs to the technical field of block chains. The message transmission method comprises: a window layer of an initiator node activating a communication path of a driver layer, and an exchange layer newly building an initiator instance and sending a request instruction to a response end node through the driver layer; the communication layer of the response end node newly building a response end instance according to the received sending request instruction, the window layer updating the serial number, and the communication layer calling a channel to send the message of the message queue to the communication layer of the initiating endnode from the driving layer; and the communication layer of the initiating end node receiving the message through the driving layer, transmitting the message to the window layer after the message is received, and notifying the window layer to upload the message to the application module.

The invention discloses a wheel type permanent magnet adsorption dual-information-channel transformer climbing robot. The robot comprises a camera subsystem, an illuminating lamp subsystem, a charging subsystem, a motion control panel subsystem, a shell, a laser generation subsystem and a magnetic adsorption driving wheel system; the charging subsystem and the magnetic adsorption driving wheel system are electrically connected to the motion control panel subsystem, the charging subsystem is electrically connected to the camera subsystem, the illuminating lamp subsystem and the laser generation subsystem, the camera subsystem, the illuminating lamp subsystem and the laser generation subsystem are installed on the shell, the charging subsystem and the motion control panel subsystem are installed in the shell, the robot also comprises a remote controller system, and the remote controller system is in communication connection with the motion control panel subsystem. Stable and strong adsorption force can be provided for the robot, the mass of the robot can be reduced, and the adsorption stability of the robot can be improved; and the internal fault maintenance efficiency for the transformer is improved to a great extent, and the safety of manual maintenance in a severe environment is ensured.

The invention relates to an isolation device, a head cover body at least internally comprises a central processing unit, a negative pressure assembly and a wireless connection module and further comprises an environment monitoring module and a physiological monitoring module, and a first processor is used for monitoring the current user information and/or electrocardiosignals acquired by the physiological monitoring module based on the current user information acquired by the central processing unit and/or the electrocardiosignals acquired by the physiological monitoring module. The first processor is used for generating at least one heart rate change curve associated with the body state of the current user by combining historical case data of the user, predicting the change trend of the current heart rate data and sending an air flow parameter of the negative pressure component to the central processor based on a prediction result; the central processing unit responds to the air flow parameter adjusting negative pressure assembly, monitors negative pressure changes in the hood body through the environment monitoring module and feeds back the negative pressure changes to the first processor. According to the invention, through cooperative operation of the ventilation assembly and the microphone accessory, a user wearing the isolation device can clearly communicate with others.

The invention provides an antenna platform of a robot with self-adjusting capability. The antenna platform comprises a first straight gear (Z1), a second straight gear (Z2), a third straight gear (Z3), a fourth straight gear (Z4), a fifth straight gear (Z5), a tie bar (H), a first synchronous belt 7, a second synchronous belt 8 and an antenna platform 9. The invention provides the platform of the mobile rotor for navigation communication of rough ground; and the platform of the mobile rotor moves in a relatively stable way. The wheels of the robot have the advantages that the wheels have simple, compact and reliable structure, guarantee the continuous movement of the main car body of the mobile robot, and simultaneously guarantee the stable movement of the antenna of the antenna platform. The mechanism design is beneficial to better controlling the movement of an executive mechanism of the robot, and simultaneously can faster and clearly transmit data collected by the mobile robot.

The invention, which belongs to the modern comfort system field, provides a security and protection monitoring apparatus. A user mobile phone is connected with a server by an internet network; the server and a monitoring host are mutually connected; a camera and a monitoring device are connected with the monitoring host; and the monitoring host is connected with a GPRS satellite system by a wireless radio frequency signal. The provided security and protection monitoring apparatus with the simple structure can be operated conveniently; the signal can be transmitted timely and clearly; the hardware occupation space is small; the security and reliability are good; and the psychological demand for the comfortable life of people can be satisfied.