11results about How to "Realize the communication function" patented technology

The invention provides a signal sending method, a signal receiving method, a communication device and a storage medium, relates to the technical field of wireless communication, and can improve the farthest sensing distance and avoid the requirement of hardware isolation. The method comprises the following steps: generating a communication and inductance integrated signal; the time domain resources of the sensing integrated signal sequentially comprise a first time domain resource, a second time domain resource and a third time domain resource; and sending the sensing integrated signal on the second time domain resource.

This utility model discloses a combined antenna with lead wires, comprising: a housing and a base plate; a communication array and a positioning array are disposed within the housing, and the communication array and positioning array are respectively connected to the inner side of the base plate; a communication port connector passes through the base plate, and the communication array communicates with the communication port connector; a lead wire also passes through the outer side of the base plate, and an array port connector is disposed at the bottom of the lead wire, and the positioning array communicates with the array port connector through the lead wire. The combined antenna's communication array communicates with the communication port connector, and the positioning array communicates with the array port connector through the lead wire, thus realizing data communication and positioning functions and ensuring the operational stability of the combined antenna; furthermore, replacing the original fixed positioning array with a lead wire method facilitates the installation of the combined antenna and is applicable to rail transit systems with narrow top openings, ensuring the ease of installation and performance of the combined antenna.

The application provides a light-transmitting panel, a sunroof and a vehicle. The light-transmitting panel comprises a light-adjusting module and an antenna module. The light-adjusting module comprises a liquid crystal layer and two oppositely arranged light-adjusting structure layers. The liquid crystal layer is located between the two light-adjusting structure layers. The light-adjusting structure layer comprises a substrate and an electrode layer arranged in a stack. The electrode layer is arranged on the side of the substrate close to the liquid crystal layer. The antenna module is arranged on at least one of the two light-adjusting structure layers. The antenna module comprises a wire main body and an opening formed by the wire main body. According to the application, the functional integration and utilization of the light-transmitting panel can be effectively improved.

The application relates to a signal transmission method between a fire telephone main machine and a fire telephone extension and a fire telephone system, wherein a near-end optical transmission device is connected with the fire telephone main machine, a far-end optical transmission device is connected with the fire telephone extension, the near-end optical transmission device is connected with the far-end optical transmission device through an optical fiber; an electric signal of analog audio data on a first fire telephone bus is converted into an optical signal by the near-end optical transmission device, and the converted optical signal is transmitted through the optical fiber; the signal transmission method between the fire telephone main machine and the fire telephone extension and the fire telephone are ingeniously designed; the converted optical signal is transmitted through the optical fiber; the optical fiber has the advantages of low loss, high bandwidth, strong anti-electromagnetic interference capability and the like; the transmission distance of general optical signals can reach at least 20 kilometers; during the transmission process, the optical fiber is not conductive, is not interfered by electromagnetic waves, is less affected by resistance and voltage, and the stable transmission of signals in a complex electromagnetic environment is ensured.

The utility model discloses a novel AGV charging interface. The novel AGV charging interface comprises a charging male head and a charging female head. The charging male head comprises a male head housing; a charging jack pin and a plurality of communication metal sheets are arranged in the male head shell; the communication metal sheet is electrically connected to the charging pile; a through hole for butt joint of the charging jack pin and the charging female head is formed in the end part of the male head shell; a through groove for electrically connecting the communication metal sheet with the charging female head is formed in the lower side of the male head shell; the charging female head comprises a female head shell; a charging pin and a plurality of communication reeds are arranged in the female head shell; the communication reed is electrically connected to a battery of the AGV; an end portion of the female head housing is provided with a jack for insertion of a charging male head. And the communication reed is elastically arranged on the inner side of the female head shell. The novel AGV charging interface can realize a communication function without changing the models and the installation structures of the existing charging male head and the charging female head, so that the timeliness of charging monitoring can be ensured.

The present application discloses a trusted communication method based on FPGA and SOC, which relates to the field of trusted communication technology. The engineer station and the control station use the SM2 signature algorithm for identity authentication, obtain the SM4 key after successful authentication, and communicate in the form of SM4 encrypted configuration information interaction. For each session, the SM4 key is dynamically determined. The present application realizes trusted communication in the field of nuclear industry control.

The present application discloses an EtherCAT master station system with dual data channels, including a microprocessor, a random access unit, an FPGA module and an Ethernet physical layer module, and a group of servo slave stations are connected through the Ethernet physical layer module; the EtherCAT master station protocol stack is operated and maintained by cooperating with the microprocessor through the random access unit; the process data driver module uses the process data image residing in the FPGA storage module as the data source, and uses the real-time data channel to realize the periodic communication of the master station; the microprocessor does not need to take away the process data image, but performs byte access through the address mapping communication bus. The present application optimizes the data transmission path by hardware, reduces the delay and jitter of periodic communication, can realize a shorter master station cycle, and is suitable for high-speed interpolation motion control of CNC machine tools.

This invention provides a USB master-slave mode power hardware switching circuit for an industrial control board SOC, belonging to the field of embedded hardware circuit design technology. It includes: a first transistor, a second transistor, a third transistor, a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, and a USB connector. The power pin of the USB connector is connected to the emitter of the first transistor, its collector is connected to the OTG detection pin through the fourth resistor, the detection pin is grounded through the fifth resistor, its base is connected to the collector of the second transistor through the second resistor, and its base is connected to the identification pin through the first resistor. The base of the third transistor is connected to one end of the third resistor, and its other end is connected to the identification pin. The emitter of the third transistor is connected to the board's power supply, and its collector is connected to the power pin of the USB connector. This invention integrates multiple functions such as program download, communication with a host computer, and USB flash drive data reading and writing on a single USB interface.

The invention provides a wearable electronic device. The wearable electronic equipment comprises an antenna assembly, and the antenna assembly comprises a radiator and a feed source. The radiator comprises a first sub-radiator and a second sub-radiator; the first sub-radiator is provided with a first free end, a feeding point and a second free end which are arranged in sequence, and the first free end and the second free end form a first opening; the second sub-radiator and the first sub-radiator are arranged at intervals in the first direction and are electrically connected, the second sub-radiator is provided with a third free end and a fourth free end, and the third free end and the fourth free end form a second opening; the feed source is electrically connected to the feed point so as to excite a first resonant mode of the first sub-radiator to support a first target frequency band and excite a second resonant mode of the second sub-radiator to support a second target frequency band, the first resonant mode is a half-wavelength dipole mode, the second resonant mode is a half-wavelength dipole mode, and the second target frequency band is a half-wavelength dipole mode. The frequency of the second target frequency band is greater than that of the first target frequency band.

The present invention relates to a method, device, equipment and medium for switching between active and standby positioning of a TACS system. The device includes: an active positioning system for sending its health status to a trackside train manager; a standby positioning system, which is independent of the active positioning system and sends its position information to the trackside train manager; an automatic train monitoring system for determining whether to send a train operation task to the active positioning system or the trackside train manager; a trackside train manager for taking over the train after the active positioning system fails and switches to the standby positioning system; and a trackside resource manager for maintaining the resources applied for before the active positioning system fails and sending the applied resources to the trackside train manager after switching to the standby positioning system. Compared with the prior art, the present invention has the advantages of ensuring that the operation mode is not degraded in a train degradation scenario.

The invention discloses an intelligent control system for an urban underground comprehensive pipe gallery, and relates to the technical field of underground pipe galleries, in particular to the intelligent control system for the urban underground comprehensive pipe gallery, which comprises a hardware layer and a software layer, and is characterized in that the hardware layer is composed of a power supply module, an acquisition module, a circuit module and a communication module; and the power supply module adopts an STM32F103RCT6 processor as a control chip. According to the intelligent control system for the urban underground comprehensive pipe gallery, through cooperation among a risk coupling model, VensimPLE software and a safety risk detection and early warning platform, a risk coupling form is analyzed, a risk coupling model based on the risk coupling form is constructed, a risk factor coupling process and mechanism are analyzed, and the intelligent control system for the urban underground comprehensive pipe gallery is established in combination with installation of a hardware layer. According to the invention, timely alarm and qualitative treatment are realized after the risk occurs, the safety risk management capability of operation and maintenance management personnel is improved, and adverse influence on residents caused by risk occurrence is prevented.