203results about How to "Realize wireless communication" patented technology

The invention provides a vehicle-mounted terminal control method which comprises the steps that a cloud end server receives a control instruction on a vehicle-mounted terminal from a mobile terminal, whether the vehicle-mounted terminal is on line is judged, and if yes, the cloud server sends the control instruction to the vehicle-mounted terminal; and otherwise, the cloud server sends an activation signal to the vehicle-mounted terminal, the network communication function of the vehicle-mounted terminal is activated, and after the network communication function of the vehicle-mounted terminal is activated, the cloud end server sends the control instruction to the vehicle-mounted terminal through the network communication function. According to method, under the situation that energy is saved, long-distance vehicles can be controlled quickly at the same time, wireless communication is achieved, and easiness, high efficiency and applicability are achieved. The invention further discloses a vehicle-mounted terminal control system and the cloud end server.

The invention relates to a technology of remote monitoring of tower crane security, in particular to a method and device for preventing collision in the tower crane cluster operation. The anti-collision device disclosed by the invention consists of a microprocessor module, an amplitude sensor, an angular sensor, a signal conditioning module, a keystroke input module, a voice alarm module, an RS232 module, a liquid crystal display and a ZIGBEE module; before the tower crane is subjected to anti-collision judgment, the microprocessor module acquires the tower crane information through the amplitude sensor and the angular sensor, and acquires the anti-collision information through the ZIGBEE module, and then omni-directional safety monitoring aiming at anti-collision in the tower crane cluster operation can be realized through the judgment of three given judging methods, thus collision accidents are effectively avoided.

The invention discloses an Internet of Things gateway and an Internet of Things communication method. The Internet of Things gateway comprises a processor, a transceiver, a Ka band modem, an ultrahighfrequency (UHF) antenna and a Ka antenna; the transceiver and the UHF antenna are used for receiving a UHF band signal sent by an Internet of Things terminal, the processor is used for converting thereceived UHF band signal into a Ka band signal, and the Ka band modem and the Ka antenna are used for sending the Ka band signal obtained after conversion to a satellite; or the Ka band modem and theKa antenna are used for receiving the Ka band signal sent by the satellite, the processor is used for converting the received Ka band signal into the UHF band signal, and the transceiver and the UHFantenna are used for sending the UHF band signal obtained after conversion to the Internet of Things terminal. Accordingly, the Internet of Things gateway achieves the advantages that wireless communication between the Internet of Things terminal and the satellite can be achieved, a wired return stroke of a base station does not need to be laid, and the communication cost of an Internet of Thingssystem can be effectively reduced.

The invention provides a communication link used for a telemetry and telecontrol communication system. An uplink broadcasing and downlink TDMA (time division multiple access) mode is adopted to solve the measurement and control problems of a single ground station for multiple aircrafts. A downlink adopts hybrid spread spectrum BPSK (binary phase shift keying) with multiple stages of adjustable gain for modulation, an uplink adopts coded spread spectrum QPSK (quadrature phase shift keying) with fixed gain for modulation, so that the anti-interference, anti-interception and anti-capturing capacity of a wireless link is improved, and asymmetry of the uplink and the downlink is considered. Both the uplink and the downlink adopt a single-pulse modulation symbol packet transmission mode, a fixed interval is inserted into every two adjacent symbol pulses, and accordingly, the spread spectrum signal capturing, tracking and synchronizing complication of receivers is reduced. Non-coherent demodulation is adopted, a complicated carrier synchronization problem is avoided, and the design and project realization of the receivers are further simplified. The complicated carrier synchronization problem is avoided, and wireless communication between a single ground station device and multiple telecontrol terminal devices is realized.

The invention relates to an intelligent patrol machine car. The intelligent patrol machine car comprises a car with road wheels and a motor, a control system which is arranged on the car, and a photoelectric track detector which is arranged on the car; the control system comprises a motor drive module, a track sampling and logic control module, a communication module, an infrared obstacle avoidance module and a temperature and humidity detection module; and the car communicates with an upper computer detection system by the communication module. The machine car has the advantages of being applied to fire protection and mould prevention of gain depots and all-weather monitoring, and avoiding labor consumption and fire resulting from negligence of staff. The car can automatically avoid obstacles and search routes, eliminates potential hazards, and judge whether the grain goes moldy according to the ambient humidity. Meanwhile, the car can also go to a plurality of hazardous environments to which human can not reach, and transmit the information acquired by a transducer to a computer which processes and displays the information by the communication module.

The invention relates to an intelligent protection device for online detection of head/tail wheels of a mining belt conveyor. The intelligent protection device comprises a data collection module, an intelligent protection module, a data transmission module and an abnormity alarm system, wherein the data transmission module is respectively connected with the data collection module and the intelligent protection module; the intelligent protection device is characterized in that the data collection module is a multi-dimensional data collection module, the abnormity alarm system is in communication connection with an output end of the data transmission module through Ethernet or a Wifi signal, and the abnormity alarm system is formed by a remote service management module and a big data-based diagnostic analysis module which is used for collecting and modeling normal multi-dimensional data which are collected by the multi-dimensional data collection module by adopting an abnormity detection algorithm, classifying future data and transmitting an alarm signal to abnormity data. According to the intelligent protection device disclosed by the invention, remote monitoring, fault alarm and remote control on the mining belt conveyor are realized, comprehensive and all-weather diagnostic service is realized, in-time fault discovery and in-time shut down can be carried out through remote control, and the loss is reduced to be minimum.

Embodiments of the present invention disclose a method, a system, a base station and a user equipment for wireless communications, which are applied in the technical field of communications. A base station configures, for the user equipment, a radio resource for uplink and downlink communications, and sends first instruction information used for indicating the radio resource to a user device. Specifically, the radio resource comprises a full-duplex communications resource, or a combination of the full-duplex communications resource and a simplex communications resource, or a combination of the full-duplex communications resource and a full-duplex-simplex communications resource, or a combination of the simplex communications resource and the full-duplex-simplex communications resource, or a combination of the full-duplex communications resource, and the simplex communications resource and the full-duplex-simplex communications resource. In this manner, part or all of radio resources can be configured to be resources capable of carrying out full-duplex communications; because all user equipments can receive downlink information and upload unlink information at the same time or by using the same frequency, thereby improving the efficiency of information transmission.

The invention provides a passive keyless entry and passive keyless start (PEPS) low-frequency calibration system and a PEPS low-frequency calibration method. The system comprises a three-dimensional position finder, a PEPS controller, a low-frequency signal generator, a controller local area network (CAN) communicator and an industrial personal computer. According to the embodiment of the invention, the CAN communicator is arranged to realize unified data interface communication between the three-dimensional position finder, the PEPS controller and the industrial personal computer, so that the synchronization performance of a PEPS low-frequency calibration work flow is ensured, and PEPS low-frequency calibration efficiency is improved; moreover, the industrial personal computer is used for regulating the driving current of low-frequency antennae, so that the power of low-frequency magnetic field signals generated by a plurality of low-frequency antennae is regulated; and the industrial personal computer is used for realizing the accurate conversion of a smart key between three-dimensional position finder coordinate system-based coordinates and vehicle body coordinate system-based coordinates, so that the positioning accuracy of the PEPS low-frequency calibration system is improved, and the accurate positioning of the smart key when the smart key is extremely close to a vehicle is realized.

The invention discloses a mining PHS wireless communication comprehensive management system, which comprises a central server, a dispatch switch, a base station controller, a base station, a mining personal handphone system handheld device and an identification card, wherein the central server is connected with the base station controller through the dispatch switch; the base station controller is connected with the base station; a communication antenna and a positioning antenna are respectively connected with the base station; the base station receives a wireless communication signal of the mining PHS handheld device through the communication antenna; and the base station collects signals of the identification card through the positioning antenna. The mining PHS wireless communication comprehensive management system is integrated with the function of the mining PHS and functions of a staff positioning system, not only can search position of each staff member in a monitor room, but also can realize wireless communication with convenient use and high efficiency. When an emergency happens, the system can well organize staff to evacuate and escape; a single plate for the whole design is fixed in an explosion-proof tank, so the system has a concise structure and convenient connection, reduces cost for hardware, hardware failures and workload for daily maintenance.

The present invention provides an image processing apparatus, an image processing system, an information processing apparatus, and an information processing method. In the image processing system possessing the image processing apparatus and the information processing apparatus, the simplification of the user operation after the establishment of wireless communication is realized. In the image processing system, a mobile device (100) and an MFP (200) both correspond to the two universal wireless communication of near field communication and telecommunication, the near field communication is the wireless communicated based on a first communication mode, and the telecommunication is the wireless communication based on a second communication mode. In addition, when the mobile device satisfies the execution condition for executing an MFP task, between the mobile device and the MFP, when the near field communication is established, firstly, the connection information used in the establishment of the telecommunication via the NFC communication is transmitted and received, and then the near field communication is switched into the telecommunication by utilizing the transmitted and received connection information, and finally, the image data is transmitted and received via the telecommunication.

The invention discloses a salinity monitoring device for aquaculture, which comprises a box body, a controller is installed on the front side of the box body, a wireless communicator is installed on the upper end of the box body, and a water pump is installed on the upper part of the back side of the box body A telescopic tube is installed on one side of the water pump, a support seat is installed on the lower part of the back of the box, a motor is installed on the upper end of the support seat, a support frame is installed on the lower end of the bearing seat, and a wire is installed inside the support frame. A moving plate is installed on the lead screw, a detection box is installed inside the box, a water purification control valve is installed on the upper part of one side of the box, and a water injection pipe is installed on one side of the water purification control valve. , a salinity sensor is installed on the top of the detection box, and a water level sensor is installed in the middle of the inner wall of the dust collection box. The present invention can realize the extraction of water at different depths and detect the salinity, and can realize wireless communication and detect data The transmission can be automatically cleaned to prevent it from affecting the next detection.

The invention discloses a mobile wheel loading and unloading robot. A bearing platform is arranged on the robot. When the robot works, the bearing platform can be in butt joint with a conveyor line of a previous machine to automatically transfer H-shaped wheels to the robot. A grabbing device is arranged to transfer the H-shaped wheels fully loaded with lines on the bearing platform to the machine, or transfer the empty H-shaped wheels on the machine to the robot. Automated loading, unloading and transport is achieved, manual operation is not needed, workload is lowered effectively, work efficiency is improved, potential safety hazards of a factory are eliminated, and the human resource cost is saved. A mobile trolley is provided with a navigation location system based on an AGV technology, the machine is provided with a calling system, and the navigation location system and the calling system can communicate in a wireless mode. When the machine is required to be loaded and unloaded, only a calling button on the machine needs to be pressed, the trolley automatically drives towards the calling station to conduct automatic wheel loading and unloading, conveying is conducted according to requirements, and work efficiency is improved.

The invention provides a locomotive carrier nighttime driving auxiliary system utilizing a tablet personal computer to wirelessly control a thermal infrared imager. The system comprises the thermal infrared imager, a magnetic base and the tablet personal computer, wherein the thermal infrared imager is detachably fixed on a locomotive carrier and used for shooting an infrared chart of the driving road condition of the locomotive carrier in real time and outputting video information of the infrared chart; the magnetic base is fixedly arranged on a thermal infrared imager base, and the thermal infrared imager is fixedly arranged on the locomotive carrier by virtue of a rubber gasket with a magnet block of the magnetic base; the tablet personal computer is detchably fixed in the locomotive carrier, is connected with the thermal infrared imager in a wireless mode and is used for displaying the video information transmitted by the thermal infrared imager. By virtue of controlling the tablet personal computer, the control over the thermal infrared imager, human body/animal recognition, GPS (Global Positioning System) navigation, video recording/storing/playback function and multitasking (such as sub-screen display) are realized. The system is high in operation flexibility, and can be used for improving the running safety of the locomotive carrier at night and under the condition of poor visibility.

The embodiment of the invention discloses a method, a device and a system for communication of a solid-state disk. The realization of the embodiment of a hard disk communication method is taken as an example. The method comprises the following steps: reading data needing to be transmitted; encapsulating the data by using a wireless transmission protocol corresponding to a wireless transmission type; and transmitting an encapsulated data packet. The embodiment has the advantages of realizing wireless communication on the solid-state disk, integrating wireless communication and ensuring that the solid-state disk is not limited by position and distance any more.

Wireless charging and data communication are realized. In accordance with various example embodiments, a transceiver-type circuit wirelessly charges portable devices, such as hand-held telephones via wireless signals, and also wirelessly communicates data with remote transponders. The data communication is carried out to facilitate authentication of the remote transponders and may, for example, be limited relative to a power-carrying capability of the transponders. Such aspects may be implemented, for example, in a transceiver for both transponder-based operation and (high-power) wireless charging applications in vehicle-based circuits.

The invention discloses a wireless communication method based on a monitoring Gossip average common view technology, and relates to the field of wireless communication. Under the condition of a complicated network topological structure, network nodes can get an average common view state through information exchange between a local node and a neighbor node. The method comprises the following steps of: initializing all nodes in a wireless sensor network comprising N nodes; selecting a Gossip iteration frequency; and gradually performing Gossip iteration, wherein after iteration is finished at each time, each node in the wireless sensor network takes a sum of a local compensation variable and a local state value as an estimation value of a state average value; and after all types of iteration are finished, the nodes in the wireless sensor network get the average common view state. The wireless communication method is suitable for wireless communication.

A treadmill (10) having a motorized treadbase (12) and a folding handrail (14) folding with respect to the treadbase such that the treadmill (10) achieves a low profile when the handrail (14) is in a folded position. The treadmill (10) includes: (i) a treadbase (12), the treadbase comprising first and second rollers and an endless belt movably trained about the first and second rollers; (ii) a motor coupled to the treadbase, the motor also being movably coupled to the first roller such that the motor selectively turns the first roller, thereby causing the belt to move; and (iii) a handrail pivotally coupled to the treadbase, the handrail selectively folding with respect to the treadbase. In a preferred embodiment, the treadmill is less than about 8 inches in height when the handrail is in a folded position.

To achieve a wireless communication even with the other end of communication that is a limited-band terminal capable of receiving only limited frequencies. [MEANS FOR SOLVING PROBLEMS] There are included a frequency channel assigning part (10) for assigning frequency channels; a terminal reception quality information processing part (6) for calculating a required transmission power and an optimum modulation rate for each of subcarriers; a subcarrier power control part (12) for controlling the transmission power level for each of the subcarriers; and a determining part (10) for determining the reception bandwidth of the other end of communication and further determining whether the other end of communication is an all-band terminal capable of receiving all of the frequency channels within a system band or a limited-band terminal capable of receiving only limited frequencies. If the other end of communication is a limited-band terminal, then the transmission power of all or part of the subcarriers is reduced for frequency channels that are adjacent to the reception band assigned to the other end of communication and that are to be assigned to different other ends of communication.

The invention discloses a solar wireless sensor network system. The network system comprises a wireless sensor node, a wireless relay node and a data service terminal, wherein the wireless sensor node comprises a sensor; a rechargeable battery is arranged on the sensor and connected with a solar battery plate; a central processing chip for converting a signal and a wireless receiving and transmitting chip for transmitting the signal are arranged in the sensor; and a sensor signal is transmitted to the data service terminal through the wireless relay node by a network. The invention discovers a new entry point for combining solar energy technology with Internet technology, so remote wireless control technology of Internet and solar energy utilization technology are perfectly combined; and the system is applied to the conventional remote control system and has the advantages of effectively avoiding a large amount of circuit wiring work, realizing wireless communication, reducing construction difficulty, improving construction efficiency, shortening construction period and realizing low carbon and environmental friendliness.

The invention relates to the field of smart monitoring and particularly relates to a communication manager. For the problem that serial ports of the communication manager are low in data processing rate and limited in data processing quantity, a joint design of a field programmable gate array FPGA and an embedded micro control unit MCU is employed for a main module. The FPGA is equipped with a plurality of serial ports and is used for receiving data and preprocessing the data. The MCU is connected with the FPGA and is used for receiving the preprocessed data and analyzing the preprocessed data. Compared with the traditional communication manager, the communication manager system has the advantages that the FPGA preprocesses the collected data, so the data processing pressure of the micro control unit is reduced; moreover, high-efficiency task scheduling is carried out in real time through adoption of an embedded real-time operating system, so the data processing efficiency is improved, the timeliness of the communication manager is improved, and the data processing capability of the communication manager is also improved; and the serial ports of the communication manager are easy to expand, so GPRS wireless communication also can be realized.