284 results about "Transponder" patented technology

According to the novel transponder and the Beidou short message-combined realization function and application method and system, multiple functions are realized by utilizing multiple combinations of ground and vehicle-mounted transponder system equipment, the novel transponder can be applied to multiple scenes, the equipment types can be simplified, the construction cost can be reduced, and the maintenance workload can be reduced; beidou positioning and short message functions, positioning and communication of wireless communication and the like are used as supplements to perfect train operation control and other functions, and the transportation efficiency and safety are improved.

According to the novel transponder device and the method and device for achieving multiple functions through power line carrier communication, multiple functions such as train positioning and speed measurement, station track occupation recognition, train occupation and integrity check and train-ground communication are achieved through the novel transponder device and the power line carrier communication, and wireless communication technologies such as the power line carrier communication are integrated; the method can be applied to train operation control, train-ground coordination action, locomotive vehicle information management, unmanned stations and train state monitoring in various scenes, can simplify the types of equipment, reduces the construction cost and the maintenance workload, and improves the transportation efficiency and safety at the same time.

The invention relates to a method, equipment and extended application for realizing multiple functions and scenes by using a novel transponder, belongs to the field of rail transit, optimizes the performance and simplifies the equipment type by utilizing the combination of the novel transponder or induction loop ground and vehicle-mounted equipment and adopting a new technology, and realizes power-down operation through an energy storage unit and a charging technology. A redundant train positioning and occupation checking method is realized through train-ground wireless communication, multiple functions are realized, and the method is applied to different scenes.

Methods for producing and validating RFID transponders (e.g., ISO 11784 / 11785 compliant transponders) with identification number authentication capabilities. A signature indicator and a partial-signature trailer are introduced to the ISO telegram. An encrypted signature or partial signature is introduced to the internal memory of ISO compliant transponders. The encrypted signature can prevent fraudulent duplications of ISO 11784 / 11785 transponders by allowing users to securely validate the transponders' authenticity.

This invention presents an integrated system for continuous geodetic positioning in both indoor and outdoor environments. It combines Global Navigation Satellite System (GNSS) technology with indoor positioning methods using Bluetooth Low Energy Angle of Arrival (BLE-AoA) and Ultra-Wideband (UWB) transponders. The system outputs data in GNSS format for compatibility with existing applications. It utilizes GNSS for outdoor positioning and facilitates seamless transitions between environments by calibrating the indoor systems near building openings from GNSS data. For areas where GNSS is unreliable or unavailable, it relies solely on indoor positioning technologies. In addition to the building scenario emphasized in this application, the system works also in mines, tree farms, and dense forests. The system features real-time updates of transponder data to maintain and continuously compute location accuracy, thereby addressing limitations of traditional GNSS-only systems while ensuring positioning continuity across diverse settings.

A regenerative relay transponder includes: an optical receiving unit that receives an optical signal from a transmitting device as a reception optical signal and converts the reception optical signal into an electrical signal; an electrical-signal processing unit that executes predetermined processing on the electrical signal; an optical transmitting unit that generates a transmission optical signal by converting the electrical signal subjected to the predetermined processing into an optical signal and transmits the transmission optical signal; and a monitoring unit that monitors the predetermined processing by the electrical-signal processing unit, wherein the monitoring unit accumulates in a storage unit monitoring data, which indicates the result of the monitoring, over a predetermined period and causes a communication unit to transmit the monitoring data accumulated over the predetermined period as transmission data to the transmitting device.

System for marking high-performance hoses, comprising: - a connection element (10) for a high-performance hose (11), which includes a crimp sleeve (12) made of metal, and - a transponder chip (20) which is installed in a recess (21) in the crimp sleeve (12) and is designed to identify the high-performance hose (11).

The invention discloses a method for measuring plane coordinates and elevation of a deepwater leveling frame, and belongs to the technical field of underwater acoustic positioning. The method comprises the following steps: arranging a plurality of transponders on the seabed at the periphery of a leveling operation area, and acquiring coordinates of the transponders; a plurality of underwater sound transmitting and receiving units are mounted on the underwater leveling frame; calculating a plane coordinate of each unit based on the signal transmission time so as to obtain a plane coordinate and a horizontal direction angle of the leveling frame; the attitude of the water surface working platform is compensated, and an absolute elevation reference is obtained in combination with a GNSS; measuring the depth of the leveling frame relative to the platform by using a pipeline filled with degassing water and a pressure sensor, and further determining the real-time elevation of the leveling frame; and finally, carrying out space reference unification on the plane coordinates, the real-time elevation and the horizontal direction angle and then outputting. Through plane and elevation split measurement, multi-sensor fusion and benchmark unification, centimeter-level precision measurement is achieved, and the device is suitable for leveling operation in the deepwater complex environment.

Improved RFID devices and manufacturing methods that utilize more efficient RFID designs, result in less manufacturing material waste and increased recycling opportunities, all without sacrificing RFID device performance, are disclosed herein. Some exemplary embodiments of the improved RFID device may make use of a thinner foil, a hollowed-out foil, a “no-strip” design, or a tessellated design that may reduce material usage. Other exemplary embodiments may use a lower-impact and / or biodegradable adhesive so as to improve aluminum recycling and lessen risks to the environment.

The invention provides a commercial satellite-oriented intelligent measurement and control responder and a multi-frequency-band measurement and control method thereof in order to solve the problems that a current measurement and control responder can only support a measurement and control task of a corresponding frequency band, so that frequency band selection flexibility is poor, and flexible measurement and control requirements cannot be met, and belongs to the technical field of spaceflight measurement and control. According to the invention, the architecture of the basic function module, the multi-band radio frequency front-end module and the multi-band measurement and control antenna is adopted, and the basic function module is integrated into a sharing platform with core functions of baseband processing, modulation and demodulation, intermediate frequency conversion and the like, so that an independent complete transceiving channel is prevented from being repeatedly designed for each band. Meanwhile, radio frequency front ends and antennas of multiple frequency bands such as KA, S and X are integrated, and the limitation that a traditional responder can only work in a single frequency band is broken through. An independent S frequency band measurement and control mode, an S + KA frequency band measurement and control mode, an S + X frequency band measurement and control mode and a KA + X frequency band measurement and control mode can be realized. The method is suitable for design of the measurement and control responder in aerospace constellation networking.

A method to change an identification code of a passive radio frequency identification (RFID) transponder, and to perform verification of occupants in a vehicle, the method comprising: capturing at least one image or at least one video of individual(s); and changing an identification code of the passive RFID transponder to correspond to a number of the individual(s). The method may comprise capturing at least one further image or at least one further video of the same individual(s) after x time; and performing verification of occupants of the vehicle based on the captured at least one image or at least one video, and at least one further image or at least one further video.

A satellite in a communication system may be equipped with an antenna system that includes various configurations of antenna arrays on one or more sides of the satellite to receive and transmit signals, and a transponder system coupled with such antenna arrays that is configured to route signals between one or more reception ports and one or more transmission ports. Such antenna arrays may be configured to support directional reception, directional transmission, or both, and a transponder system may perform one or more aspects of signal processing. A satellite may be configured with particular combinations of components in a reception system and a transmission system, and a corresponding transponder system may include various signal paths that support combinations of couplings and associated signal processing between the output ports and input ports to support various techniques for relaying communications via the satellite.

The invention discloses an unmanned aerial vehicle self-destruction measure ground verification method and system. The method comprises the following steps: configuring an instruction self-destruction measure and an autonomous self-destruction measure on the unmanned aerial vehicle; setting a safe airspace for testing on the ground; injecting boundary information of the safe airspace into a flight control system of the unmanned aerial vehicle; a GNSS transponder is used for providing simulated satellite positioning signals for the unmanned aerial vehicle, and the GNSS transponder comprises an outdoor antenna, an indoor antenna and a host; dynamically simulating the position change of the unmanned aerial vehicle relative to the safe airspace by moving the outdoor antenna so as to construct a test scene in which the unmanned aerial vehicle crosses the safe airspace; and based on the test scene, respectively carrying out ground verification on the function validity of the instruction self-destruction measure and the autonomous self-destruction measure. According to the invention, an airplane border crossing scene is dynamically simulated through the movable GNSS transponder, comprehensive, convenient and safe ground verification of instruction self-destruction and autonomous self-destruction measures under multiple working conditions is realized, and the self-destruction reliability is guaranteed.

The application provides an electromagnetic transmittance enhancer, and belongs to the technical field of microwave frequency electromagnetic wave regulation and control, comprising a plurality of super units arranged in a rectangular shape. Each super unit comprises a dielectric base, a dielectric substrate and a metal patch, the dielectric substrate is vertically arranged at the middle position on the top of the dielectric base; the metal patch is in an inverted L shape and is arranged on one side of the dielectric substrate; when the electromagnetic wave in the air is incident on the upper surface of the electromagnetic transmittance enhancer, the plurality of super units will simultaneously resonate, the electric field component of the transmitted electromagnetic wave will excite electric dipoles of different lengths in the horizontal and vertical directions of the metal patch, and the electric dipoles will interfere with the incident electromagnetic wave to cancel each other out, so that the resonance zero point of the synthesized dipoles points to the direction of the reflected wave, and the electromagnetic wave is transmitted forward from the gap channel between adjacent units. The electromagnetic transmittance enhancer provided by the application can improve the transmittance of electromagnetic wave transmission to the medium under a large incident angle.

The invention discloses an integrated efficient heat dissipation baseband structure for a spaceflight measurement and control transponder, and particularly relates to the technical field of spaceflight measurement and control transponders, the integrated efficient heat dissipation baseband structure comprises a circuit board, a chip and a main heat dissipation substrate, the surface of the circuit board is provided with a positioning mechanism connected with the main heat dissipation substrate, and the circuit board is connected with the main heat dissipation substrate through the positioning mechanism and the main heat dissipation substrate. The main heat dissipation substrate is bonded on the plurality of groups of chips through heat conduction epoxy resin, so that the installation of the main heat dissipation substrate is completed, the heat of the chips can be conducted through the main heat dissipation substrate, and the heat can be dissipated from a path from a chip tube core to a chip shell to the main heat dissipation substrate to an external environment; according to the invention, at least one contact interface (heat-conducting silicone grease layer) with high heat resistance is reduced, the total heat resistance is obviously reduced, the heat dissipation efficiency is greatly improved by shortening a heat-conducting path and eliminating the heat resistance of a key interface, the system can reach a heat balance state more quickly due to the reduction of the heat resistance, and the heat stability of a single machine under transient power change is improved.

The invention discloses a driving permission sending method, device and equipment, a medium and a program product, and relates to the technical field of train control, and the method comprises the steps: determining a line topological position and a running station track to which the line topological position belongs according to the real-time position report information of a target train; the real-time position report information comprises a real-time transponder group identifier; according to the line topology position, the real-time transponder group identifier, the area information of the credible area in the operation station track and the identifier of the transponder group in the credible area, verifying whether the line topology position is real or not, and obtaining a verification result of the line topology position; and if the verification result is true, a driving permission is sent to the target train. According to the embodiment of the invention, the driving permission is sent to the train with the accurate and real line topology position, and the safety of train operation is improved.

The invention relates to a charging system (1) for a vehicle (20), wherein the charging system (1) comprises a charging cable (2) with a transponder (3), a communication unit (4), and an enabling system (5), wherein an authentication code (10) is stored in the transponder (3), and the transponder (3) and the communication unit (4) are designed and coordinated such that the authentication code (10) can be transmitted wirelessly and with limited range from the transponder (3) to the communication unit (4), and the communication unit (4) is configured to forward the authentication code (10) to the enabling system (5), and the enabling system (5) is configured to compare the authentication code (10) with a verification code (11) and to enable a charging current (6) via the charging cable (2) if the authentication code (10) is identical to the verification code (11).

This invention belongs to the technical field of aviation transponder pulse overlap signal separation methods, specifically relating to a separation method applicable to Mode A / C aviation transponder pulse collision conditions. By analyzing the differential characteristics of the Mode A / C aviation transponder signal waveform in the time and energy domains, the pulse collision signal is effectively split. Based on the waveform definition characteristics of the Mode A / C aviation transponder signal, the pulse frame is accurately recovered from the separated signal, ultimately completing the separation process of the Mode A / C collision pulse signal. This invention requires only a single-channel receiver to achieve signal separation, reducing system implementation costs and engineering difficulty, effectively improving the system monitoring capability in densely overlapping electromagnetic environments, and providing an efficient and engineered solution for transponder pulse signal separation tasks in scenarios such as air traffic surveillance and low-altitude airspace management.

The invention relates to a friend transponder for aided navigation. An apparatus includes a receive antenna configured to receive a radar signal. The apparatus includes a return signal generator configured to generate a return signal based on the received radar signal. The return signal includes at least a first component at a first frequency offset from a carrier frequency of the received radar signal and a second component at a second frequency offset from the carrier frequency. The apparatus also includes a transmit antenna configured to transmit the return signal.

A method for auto-tuning an optical transponder that is coupled to an optical terminal comprises: cycling through wavelengths in sequence by, for each wavelength: modulating the wavelength to convey a wavelength identifier of the wavelength, to produce a modulated wavelength that conveys the wavelength identifier; transmitting the modulated wavelength from the optical terminal through an optical demultiplexer that is configured to pass wavelengths to output ports of the optical demultiplexer; waiting to detect a response wavelength, transmitted by the optical transponder, which matches the wavelength; and determining, based on whether the response wavelength is detected, whether to repeat cycling using a next wavelength because the optical transponder is not tuned or to stop cycling because the optical transponder is tuned.

This invention discloses a train multi-source information fusion positioning method based on 5G positioning. It integrates multi-source data information such as 5G positioning, satellite positioning, speed sensor information, and transponder information, providing more reliable train position and speed information through redundancy and complementarity of multi-source data. This avoids the drawback of relying on satellite positioning, which is greatly affected by terrain and environment. It also solves the problem of existing technologies failing in environments where satellite signals are blocked, such as tunnels and valleys, resulting in significant errors when the system only uses wheel speed sensors for speed and distance measurement.

The invention provides a non-communication train safety protection method and device, and aims to solve the problem of low line resource utilization rate caused by fixed section blocking in the prior art and realize dynamic and accurate setting of a protection area of a non-communication train so as to effectively improve the utilization efficiency of a railway line. The non-communication train safety protection method comprises the steps that when a non-communication train loses communication, a train position report and train nearest relevant transponder information in a radio block center where the non-communication train is located are obtained; obtaining the route information of the non-communication train, and determining the current position information of the non-communication train based on the configuration information in the nearest relevant transponder information of the train; according to the route information and the current position information, determining protection subareas where a train estimation front end and a train protection rear end of the non-communication train are located; and when the protection subareas where the train estimation front end and the train protection rear end are located are the same protection subarea, the protection subarea where the train estimation front end is located is set as a protection area of a non-communication train.

The invention relates to the technical field of satellite monitoring, in particular to a non-contact detection system and method for the power-up state of a satellite. Whether the satellite is powered on in advance in the active section or not is judged by monitoring the radio frequency signal transmitted by the satellite X-band responder through the ground antenna, and the method has the advantages of being clear, direct, reliable and non-invasive. By detecting the working radio frequency signal of the satellite key equipment, the possible false alarm problem of state signals such as a travel switch is avoided, and the key criterion of the real power supply state of the satellite is provided for a task team. As an important link of satellite state monitoring of a launching site, especially in a key stage after rocket-satellite docking, task risks caused by accidental power-on are reduced to the greatest extent.

This application relates to a satellite-to-ground frequency synchronization system and method. The system includes: a communication satellite transponder for receiving uplink signals transmitted by a ground synchronization system, generating a beacon signal and a first downlink signal, combining the first downlink signal and the beacon signal to obtain a combined signal, and then transmitting the combined signal back to the ground synchronization system; and a ground synchronization system for receiving the combined signal, separating the combined signal to obtain the first downlink signal and the beacon signal, eliminating phase drift of the first downlink signal based on the beacon signal to obtain a second downlink signal, and determining uplink phase compensation, downlink phase compensation, and beacon phase compensation based on the second downlink signal and the uplink signal. These uplink phase compensation, downlink phase compensation, and beacon phase compensation are then used for signal phase compensation during subsequent signal transmission and reception. This method can eliminate phase drift of onboard crystal oscillators and improve satellite-to-ground frequency synchronization accuracy.

The invention relates to a transponder (30) for installation in or next to a ballast of a railway installation (1) and for transmitting a transponder signal to a passing rail vehicle. According to the invention, the transponder comprises at least two antennas (35a, 35b), which are each suitable for generating an electromagnetic field, wherein the antennas (35a, 35b) can be driven individually by a control device (40) of the transponder, and wherein the control device (40) is designed to switch continuously between at least two drive modes while the control device is operating, which drive modes differ from one another in terms of the drive of the antennas (35a, 35b).

An RFID transponder (1) comprising a radiating antenna (2) and a pod (3) and a method for manufacturing a panel (29) comprising pods (3) are disclosed.

The provided are a selectable multi-frequency radio frequency identification (RFID) transponder as well as a non-mechanical method to change an identification code of a selectable multi-frequency RFID transponder. The selectable multi-frequency RFID transponder includes a multi-frequency chip, afirst antenna, and a second antenna. The method includes: connecting wirelessly the selectable multi-frequency RFID transponder; establishing a short range link between the selectable multi-frequency RFID transponder and a hand-held terminal; and changing the identification code of the selectable multi-frequency RFID transponder through a mobile application.

Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for receiving aircraft transponder signals. Identifying, from among the aircraft transponder signals, a first aircraft transponders signal based on an identifier, wherein the identifier indicates that the first aircraft transponder signal is associated with an aircraft on which the computing system is located. Identifying first location data within the first aircraft transponder signal. Generating second location data by converting the first location data to a format recognizable by a geographic mapping application, where the second location data is readable by the geographic mapping application to permit the geographic mapping application to present a graphical representation of a geographical location of the aircraft as represented by the first location data. Providing the second location data to the geographic mapping application for presentation to a user.

This invention discloses a 3D train detection and positioning method based on ground-based monocular vision. It eliminates the need for satellite signals or additional trackside equipment. Through convolutional-trans depth estimation and pseudo-point cloud optimization, the absolute relative error of depth estimation can be reduced to below 0.06. After pseudo-point cloud optimization, the 3D detection accuracy is improved by more than 20%, achieving a final positioning accuracy of 1 meter, meeting the auxiliary positioning requirements of train control systems. Furthermore, through view frustum region extraction and lightweight network design, the inference frame rate is ≥10fps, meeting the real-time positioning requirements of high-speed trains. In addition, existing ground-based monocular cameras can be reused, eliminating the need for additional hardware. The deployment and maintenance costs are only 1 / 10 of those of transponder positioning systems. Overall, this invention provides a novel technical path for train positioning and can be widely applied to auxiliary positioning systems for conventional and high-speed railways. It is particularly suitable for the intelligent upgrading and transformation of existing lines, possessing extremely high engineering application value.

A device (12) for a conveyor belt (11) to detect damage to the conveyor belt (11), the device (12) including a transponder (14) and a wire arrangement (23) extending from the transponder (14), wherein the transponder (14) is configured to provide a data signal including: a state of the wire arrangement (23) being in one of a broken state and an unbroken state and; a transponder identifier. Systems (10, 31) including the device (12) and one or more readers (15) to receive data from the device (12) and related methods of use and installation are also disclosed.