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70results about How to "Improve recognition distance" patented technology

Order-driven Single-piece small-batch combined flow production method for processing workshop

The invention provides an order-driven single-piece small-batch combined flow production method for a processing workshop, which has high intellectualization degree and strong practicability. In the method, a manufacturing system of the processing workshop is divided into a planning module, a scheduling module, a system database, an upper RFID reader-writer and an equipment control layer, wherein the planning control module, the scheduling module and an equipment control unit are all realized by Agent (intelligent agent) technology. All the parts of the manufacturing system are connected into a multi-Agent (intelligent agent) manufacturing system through a network and a communication protocol. Under normal conditions, the system carries out machining according to a preset operation working procedure through static scheduling; and when the system is abnormal, the system completes a processing task through dynamic scheduling. Accordingly, staff members can dynamically master production process information in real time. The production method can effectively improve processing efficiency and reduce production cost.
Owner:SOUTH CHINA UNIV OF TECH

Optical tag, method and apparatus for identifying optical tag

The invention provides an optical tag, method and apparatus for identifying the optical tag. The optical tag comprises N light-emitting sources; the change modes of light emitted by the N light-emitting sources in a period represent the code information of the N light-emitting sources, wherein the code information contains synchronization information and unique identification information, wherein the synchronization information is used for locating the unique identification information, and the unique identification information specifies an item bound with the optical tag. The optical tag provided by the invention can be fast identified remotely by personal equipment provided with an image pick-up device, the identification distance of the optical tag can be the visual range of a user, and therefore, the identification distance of an existing RFID tag and an existing two-dimensional code tag can be greatly improved. The personal equipment can identify an optical tag in a video in network transmission.
Owner:SHAANXI WHYHOW INFORMATION TECH CO LTD

Real-time positioning supervisory system of prison

The invention discloses a real-time positioning supervisory system of a prison. The system is a real-time positioning system based on an RFID technology. The system comprises an RFID radio frequency electronic tag, an RFID reader, an RFID antenna, an electronic map display screen and a background monitoring center. The RFID radio frequency electronic tag includes a prisoner tag and a prison police tag; and the RFID reader includes a fixed type reader and a hand-held reader. According to the system provided in the invention, an RFID antenna at a specific position is utilized to read electronic tag information including a signal intensity and arrival time and the like; a background monitoring center uses the obtained information and applies an RSSI algorithm or a TDOA algorithm to calculate a position of an electronic tag; and the position is displayed on an electronic map display screen. Therefore, the system enables real-time localization on positions of a prisoner and a prison police to be realized as well as processing can be carried out timely in case of an emergency, so that security of the prisoner and the prison police can be effectively ensured.
Owner:高向阳

Optical label based information interaction system and method

The invention provides an optical label based information interaction system and method, and the system and method are high in directionality, long in identification distance and large in information capacity. The information comprises the information coding optical label, a data server, a mobile terminal and a wireless communication network, wherein the data server provides information, the mobile terminal decodes the information and is connected with the data server, and the wireless communication network is connected with the mobile terminal and the data server. the optical label comprises a signal unit and a positioning identification; the mobile terminal comprises an image collector and an image processing module, the image collector collects a coded image of the optical label, and the image processing module decodes the coded image; and the mobile terminal is connected with the data server via wireless communication network according to decoding information and makes information interaction. The method comprises the following steps that 1) supply information is coded; 2) the mobile terminal is used to decode the image to obtain demand information transmitted by the optical label; and 3) after decoding, interaction between demand information and supply information is realized.
Owner:BEIJING WHYHOW INFORMATION TECH CO LTD

Optical label identification method

The present invention provides an optical label identification method. The system comprises an optical label configured for information encoding and a mobile terminal configured for information decoding; the optical label includes a signal unit and location identification; the signal unit includes a plurality of static image units, and the location identification includes a plurality of dynamically sparkling luminescence units and a plurality of static graphical signs; the information content is encoded and transmitted through image attributes of the static image units; the mobile terminal includes an image collection device and an image processing module; the image collection device is configured to collect the coding images of the optical label; the image processing module is configured to decode the coding images; and the optical label performs information transmission through the static images to satisfy the directionality requirement, the primary localization of the optical label is performed through the dynamically sparkling location identifier, and the accurate location of the optical label is performed through the location identifier of the static image, so that the requirement of identifying multiple optical labels at the same time is satisfied, and the identification distance is greatly improved.
Owner:BEIJING WHYHOW INFORMATION TECH CO LTD

Radio frequency identification method and system based on wireless communication terminal

The invention discloses a radio frequency identification method and system based on a wireless communication terminal. According to solved technical problems, an RFID tag function of the wireless communication terminal is extended; the identification distance of the RFID tag function is increased; and a binding restriction with RFID tag data information is eliminated. According to the method provided by the invention, the wireless communication terminal controls an internal switch of a multi-tasking module to switch a signal path or switch the working state of a receiver and transmitter module; the terminating impedance of an antenna changes corresponding to the RFID data information to carry out reverse scattering communication; and direct extension is carried out to realize the tag function. The antenna of the wireless communication terminal has the advantages of free shape and size design and high gain, thus the identification distance of the RFID tag function is increased. According to the system provided by the invention, the RFID tag data information is updated and generated according to a user need, and is dynamically configured by a networking server. Compared with the prior art, the method and the system, which are provided by the invention, has the advantages that the cost of tag integration is saved; the identification distance is increased; the data information binding restriction is eliminated; and economic, flexible and reliable radio frequency identification is realized.
Owner:范志广

Microstrip phased array antenna applied on ETC terminal information acquisition system

The invention discloses a microstrip phased array antenna applied on an ETC terminal information acquisition system. The microstrip phased array antenna comprises the following three parts: a feeding network which is composed of an RF switch, a crossover and a power divider and is used for distributing signals with different powers and different phases to different ports of a Butler matrix and inputting the signal to a preset port in switching; a wave beam forming network which is composed of improved Butler matrixes and is used for generating the signal with the required phase and inputting to a preset antenna unit; an antenna array, wherein each antenna unit is composed of double radiation sheets with a 90-DEG phase difference. The antenna is mounted right above the middle line of a middle lane. The projection of the antenna in the normal line direction is in the middle line of the middle lane. The microstrip phased array antenna can settle technical problems of wave beam scanning, lane identification, identification distance increase, identification success rate increase, etc.
Owner:RES INST OF HIGHWAY MINIST OF TRANSPORT

Ultrahigh-frequency RFID (Radio Frequency Identification Device) reader chip

The invention relates to a non-contact information recognition system, in particular to an ultrahigh-frequency RFID (Radio Frequency Identification Device) reader chip working at a frequency of 840-960. The ultrahigh-frequency RFID reader chip mainly comprises an MCU (Microprocessor Control Unit), a radio frequency transceiving module and a modulation-demodulation module, wherein the radio frequency transceiving module is connected with the MCU through the modulation-demodulation module and the MCU is connected with a flash memory, a caching SRAM (Static Random Access Memory), a reset control circuit, a WDT (Watch Dog Timer) circuit, timers, a UART (Universal Asynchronous Receiver / Transmitter), an SPI (Serial Peripheral Interface) circuit, a port controller, a serial bus I2C (Integrated 2 Circuit), an interrupt controller and a power management device through a data bus. The chip provided by the invention has the advantages of small volume, high integration level and strong adaptability and anti-interference ability.
Owner:成都雷电微力科技股份有限公司

Underground staff tracking and managing system

The invention provides an underground staff tracking and managing system. The underground staff tracking and managing system is characterized by comprising radio frequency identification device (RFID) electronic identification cards and RFID card readers, wherein the RFID electronic identification cards are assigned to underground staff and underground equipment; the RFID card readers are distributed in all underground tunnels and are used for reading the information of the RFID electronic identification cards through antennas; all the RFID card readers positioned in the same tunnel are connected with substation equipment for acquiring data; the substation equipment is connected with a monitoring center through communication cables; and the monitoring center accesses to Internet through a switchboard so as to communicate with equipment which accesses to the Internet. The underground staff tracking system can be used for accurately positioning the underground staff by an RFID technology and has the following advantages of full automation, long effective work distance, high speed and stable performance.
Owner:SHANGHAI GAOCHENG CREATIVE TECH GRP

Fingerprint identification sensor packaging structure and method

The embodiment of the invention provides a fingerprint identification sensor packaging structure and method. The packaging structure comprises a fingerprint identification sensor arranged above a silicon wafer and electrically connected with the silicon wafer, a color film layer arranged above the fingerprint identification sensor, a hard mask layer arranged above the color film layer and a substrate arranged below the silicon wafer, wherein at least one of the hard mask layer and the color film layer is doped with high dielectric particles. The packaging structure can improve identification accuracy of the fingerprint identification sensor.
Owner:NANCHANG OUFEI BIOLOGICAL IDENTIFICATION TECH

Projection device and method and computer readable storage medium

The embodiment of the invention discloses a projection device, which is applied to a mobile terminal and comprises a processor, an infrared time-of-flight distance measuring sensor, a structured lightassembly and a visible light projector. The processor is used for controlling the infrared time-of-flight distance measuring sensor to determine depth information of a target carrier; the processor is used for comparing depth information with a set threshold value to obtain a comparison result; according to the comparison result, the processor controls the structured light assembly to collect three-dimensional feature information of the target carrier; the processor is used for superposing virtual data with the target carrier according to the three-dimensional feature information of the target carrier; and the visible light projector is used for projecting data generated by superposing the virtual data and the target carrier. The embodiment of the invention further discloses a projectionmethod and a computer readable storage medium.
Owner:ZTE CORP

Laser receiving and echo device

The disclosed device is composed of three pieces of convex lens, one beam splitting plate, and one plane reflector. The said three pieces of convex are placed in parallel and their central lines are coincident. Passing through lens 1 and being received by lens 2, the inquiring light becomes a narrow beam, which is divided by the beam splitting plate into transmitted light and reflected light. The transmitted light reaches to detector in electrooptical signal conversion and information processing part of receiver. Reflected by the plane reflector, reflected light forms an echo wave, which is returned parallel to direction of the inquiring light. May added into the device, diaphragm and filter carries out filtering for inquiring light in space and frequency in order to reduce stray light and noise generated from background radiation. Thus, detecting SNR of answering party is raised. Modulator added modulates echo wave. Features are: small wastage, simple structure, raised SNR etc.
Owner:UNIV OF ELECTRONIC SCI & TECH OF CHINA

Lower power battery-assisted RFID tag having improved recognition distance, and wake-up method thereof

Provided are a radio frequency identification (RFID) tag and a wake-up method thereof. The RFID tag includes: a power source that supplies a driving voltage; a continuous wave detector that receives the driving voltage from the power supply so as to detect a continuous wave in a signal received from an RFID tag reader; a command detector that selectively receives the driving voltage and detects a command in the signal; and a controller that executes the command detected by the command detector by supplying the driving voltage to the command detector if the continuous wave is detected, and stops the driving voltage from being supplied to the command detector if no command is received from the command detector for a predetermined time period.
Owner:ELECTRONICS & TELECOMM RES INST

Radio frequency identification apparatus

The present invention relates to a radio frequency identification apparatus for identifying a radio frequency identification label by a radio frequency identification reader, and comprises a reading unit and a label unit. The reading unit includes the radio frequency identification reader and a first permanent magnet of first magnetism. The label unit includes a radio frequency identification label, a second permanent magnet of second magnetism, a spring device for connecting the second permanent magnet and the radio frequency identification label, and an electromagnet. Thereby, a radio frequency identification label exceeding an identification distance of the radio frequency identification reader is identified, so as to obtain an equal effect of enlarging the identification distance of the radio frequency identification reader. In addition, an operator is capable of determining whether the radio frequency identification label is identified or not through vision by moving the radio frequency identification label.
Owner:ELECTRONICS & TELECOMM RES INST

Intelligent door monitoring system and control method thereof

The embodiment of the invention provides an intelligent door monitoring system and a control method thereof. The system comprises a mobile sensor, a reader, a switch unit and a management unit, wherein the reader is a radio frequency identification reader; the mobile sensor is used for detecting a movement behavior of personnel in an entry / exit direction and sending an entry / exist sensing signal to the management unit; the management unit is used for sending a reading command to the reader according to the entry / exist sensing signal; the reader is used for reading electronic tag information of personnel in the entry direction by utilizing an ultra-high frequency radio signal based on a first antenna according to the reading command and / or electronic tag information of personnel in the exit direction by utilizing an ultra-high frequency radio signal based on a second antenna according to the reading command, and transmitting the electronic tag information to the management unit; the management unit is used for analyzing the electronic tag information, judging whether corresponding personnel has permission to enter or exit or not, and if yes, sending a control signal to the switch unit; the switch unit is used for opening a door according to the control information.
Owner:TIANJIN INST OF ADVANCED TECH

NFC antenna module and portable terminal having same

Provided are an NFC antenna module and a portable terminal having the same, the NFC antenna module having a printed circuit board inserted in a radiation sheet thereof or a radiation field formed on the lower surface and at a side part of the portable terminal, thereby improving the antenna characteristics while solving the problem of mounting space shortage in a small-sized portable terminal. The provided NFC antenna module comprises: a printed circuit board; a first radiation sheet, which has a first pattern formed along the outer periphery of a central part and is connected to the printed circuit board; and an electromagnetic wave shielding sheet stacked on the printed circuit board and the first radiation sheet.
Owner:AMOTECH

Insulated plug with RFID tag

This invention provides an insulated plug with an RFID tag including a main body and the RFID tag. The main body includes a conductive rod. The RFID tag includes a tag antenna and a tag chip connected at a feeding part of the tag antenna. The tag antenna includes a substrate and an antenna structure. The substrate has an installation hole, and the conductive rod passes through the installation hole and is fixed with the installation hole. The antenna structure is disposed at the substrate and includes a radiation part, a reflection part and a connection part. The radiation part is formed at one end of the substrate and has a feeding part. The reflection part is formed at the other end of the substrate and is closed. The connection part is disposed at the substrate and is electrically connected with the radiation part and the reflection part.
Owner:ZHEJIANG JOHAR TECH CO LTD

Insulation plug with radio frequency identification (RFID) label

The invention provides an insulator plug with a radio frequency identification (RFID) label. The insulation plug comprises a body and the RFID label, wherein the body comprises a conductive rod, the RFID label comprises a label antenna and a label chip, the label chip is connected onto a feeding part of the label antenna, the label antenna comprises a substrate and an antenna structure, an installation hole is formed in the substrate, a conductive rod penetrates through the installation hole and is fixed with the installation hole, the antenna structure is arranged on the substrate and comprises a radiation part, a reflection part and a connection part, the radiation part is formed at one end of the substrate, the feeding part is arranged on the radiation part, the reflection part is formed at the other end of the substrate and is closed, the reflection part is used for reflecting energy radiated from the radiation part, and the connection part is arranged on the substrate and is electrically connected with the radiation part and the reflection part.
Owner:ZHEJIANG JOHAR TECH CO LTD

Near field wireless communication antenna and portable terminal

InactiveCN105870575AMaximize Wireless Communication EfficiencySignal Power MaximizationAntenna supports/mountingsLoop antennasPower flowComputer terminal
The present invention relates to a near field wireless communication antenna and a portable terminal. A loop pattern (22) is patterned on a flexible film (21) from a start terminal (23) to an end terminal (24) while being connected to an adjacent metal plate (10) through a jump contact point (25) so that, resultantly, the flow of a signal current passes through the start terminal (23) and the jump contact point (25) to extend to the metal plate (10) and then again through the jump contact point (25) to extend to the end terminal (24), thus providing an expanding effect of the loop pattern (22) in which signal power is maximized to enable emission and allowing wireless communication efficiency to be more significantly improved.
Owner:IMT INC

Vehicle mounted device used for long distance vehicle recognition system

The present invention relates to a vehicular device of a long-distance vehicle identifying system, and comprises a SCM, a power supply module, a card-reading module for a nor-source card, a microwave transmitting module, a serial port communicating module, a watchdog, a storage module, a wireless receiving module and an under-voltage indicating module. The SCM is respectively connected with the microwave transmitting module, the serial port communicating module, the card-reading module for a nor-source card, the watchdog, the storage module and the wireless receiving module. The power supply module is respectively connected with the wireless receiving module and the under-voltage indicating module. The wireless receiving module is respectively connected with the SCM, the power supply module, the card-reading module for a nor-source card, the microwave transmitting module, the serial port communicating module, the watch dog and the storage module. The under-voltage indicating module is connected with the wireless receiving module and the power supply module. The present invention has the advantages of energy conservation, long identifying distance, low cost, high performance and reliable communicating identification.
Owner:沈阳睿能科技有限公司

RF receiver and RFID/USN system having the same

A radio frequency receiver comprises a first signal coupler coupling and branching a radio frequency signal received from a tag or a reader, a voltage regulator receiving the coupled signal and outputting a voltage-regulated signal having a predetermined level, a signal converter mixing the radio frequency signal transmitted from the first signal coupler by using the voltage-regulated signal as an oscillation frequency signal and generating a baseband frequency signal, a signal processor processing the baseband frequency signal and extracting tag information, and a data transceiver transmitting the tag information through a wire and / or wireless network.
Owner:ATEC AP CO LTD

A self-powered active RFID tag system based on Bluetooth

ActiveCN109447222AReduce the average operating currentLow Quiescent Operating CurrentRecord carriers used with machinesEngineeringAlternating current
The invention discloses a self-powered active RFID tag system based on Bluetooth, which comprises a human energy collecting device, a power management circuit, an energy storage unit, a voltage stabilizing circuit and a Bluetooth module. The human energy collecting device converts human energy into AC electric energy greater than 50V. The power management circuit receives the alternating current energy of the human body energy acquisition device, converts the alternating current energy into direct current energy, and then carries out voltage reduction treatment. The energy storage unit storesthe DC electric energy outputted from the power management circuit. The voltage stabilizing circuit stabilizes the DC energy outputted from the energy storage unit to the DC energy less than or equalto 12V and outputs the DC energy to the Bluetooth module. The Bluetooth module performs signal transmission in a broadcast form in a power supply state smaller than or equal to 12V as a RFID tag signal source. The invention firstly proposes that the human body energy can be applied to an active RFID tag based on Bluetooth through the energy acquisition device.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Scene self-adaptive system for improving vehicle-mounted infrared thermal imaging recognition accuracy

The invention discloses a scene self-adaptive system for improving vehicle-mounted infrared thermal imaging recognition accuracy, which belongs to the technical field of vehicle-mounted infrared thermal imaging, and comprises a system starting module, a vehicle speed acquisition module, a parameter mapping module and a target recognition algorithm module, wherein the output of the system startingmodule is electrically connected with the vehicle speed acquisition module; the output end of the vehicle speed acquisition module is electrically connected with a GPS module and an OBD interface, andthe output end of the GPS module and the output end of the OBD interface are both connected with a parameter mapping module. According to the system, in a high-speed environment, the dangerous targetidentification distance and the long-distance dangerous target identification accuracy can be greatly improved, and the driving safety is ensured; in a low-speed environment, the vehicle speed is lower than a threshold value, the vehicle belongs to an urban area or a road section with complex road conditions, a long-distance dangerous target is insufficient to cause driving safety and priority detection accuracy, and the interference of target false identification and false early warning on a driver is greatly reduced.
Owner:珠海市极太人工智能有限公司

Wireless power transmission device, wireless power reception device, and wireless charging system

The present invention relates to a wireless power transmission device formed so as to wirelessly transmit power to a wireless power reception device, wherein the wireless power transmission device comprises: a first coil formed so as to transform a current into a magnetic field; and a first metal member formed so as to cover at least a portion of the first coil, and, in the present invention, the first metal member changes an emission direction of a magnetic field formed in the first coil so as to allow the power to reach the wireless power reception device which is positioned on a side surface of the wireless power transmission device.
Owner:LG ELECTRONICS INC

NFC antenna module and portable terminal having the same

Provided are an NFC antenna module and a portable terminal having the same, the NFC antenna module having a printed circuit board inserted in a radiation sheet thereof or a radiation field formed on the lower surface and at a side part of the portable terminal, thereby improving the antenna characteristics while solving the problem of mounting space shortage in a small-sized portable terminal. The provided NFC antenna module includes: a printed circuit board; a first radiation sheet, which has a first radiation pattern formed along the outer periphery of a central part and is connected to the printed circuit board; and an electromagnetic wave shielding sheet stacked on the printed circuit board and the first radiation sheet.
Owner:AMOTECH

Key material monitoring method based on visual portable equipment

The invention discloses a key material monitoring method based on visual portable equipment, and belongs to the field of monitoring. A delivery notice, material order information and a key material transportation scheme are bound with portable monitoring equipment; monitoring information in the transportation process is transmitted to an Internet cloud platform through a mobile network according to a fixed time frequency, comparison is performed according to a preset index early warning threshold value, and through integration of the GIS map information, real-time monitoring, real-time early warning and real-time processing of the material transportation state are achieved, logistics transportation state information is shared, real-time monitoring on the material transportation process isachieved, monitoring on the material transportation condition is enhanced, and the transportation efficiency and the transportation quality are greatly improved. The invention has the advantages of real-time accurate positioning, real-time monitoring visualization, RFID intelligent identification, whole-course abnormal automatic early warning and sustainable recycling, realizes a continuous use mode of 'order-follow-goods and equipment-follow-order', and improves the supply guarantee capability and the comprehensive quality control capability. The invention can be widely applied to the electric power material transportation management field.
Owner:SHANGHAI MUNICIPAL ELECTRIC POWER CO +1

Information processing method and electronic device

The embodiment of the invention provides an information processing method and an electronic device and belongs to the image processing field. With the information processing method and the electronic device adopted, a depth parameter algorithm can be automatically adjusted, and an identification distance can be effectively expanded, and identification accuracy can be improved. According to the technical scheme of the invention, the information processing method includes the following steps that: a plurality of groups of images of an identified object under different focal lengths are acquired through an image acquisition unit; corresponding parameters of focal lengths adopted by each group of images are acquired respectively; corresponding depth recovery images of each group of images are acquired according to the plurality of groups of images and the corresponding parameters of the focal lengths adopted by each group of images; a first depth recovery image with highest image quality is selected from all the depth recovery images; and corresponding parameters of the first depth recovery image are determined as target parameters, and the distance of the identified object is identified according to the target parameters. The information processing method and the electronic device of the invention are used for 3D image distance identification.
Owner:LENOVO (BEIJING) LTD

Water purifier multi-way anti-fake system

The invention discloses a water purifier multi-way anti-fake system which comprises a water purifier body and a filter element, wherein a control plate is arranged on the water purifier body; at least one filter element mounting hole is formed in the water purifier body; an RFID (Radio Frequency Identification Devices) radio frequency chip and a single chip microcomputer are arranged on the control plate; signal channels of a same number as that of the filter element mounting holes are formed in the RFID; each signal channel is connected with an antenna; an RFID tag is arranged at the end part of the filter element; an anti-fake recognition code is stored inside the RFID tag; the antenna is used for transmitting a radio frequency signal transmitted from the RFID radio frequency chip and used for receiving the anti-fake recognition code transmitted back from the RFID tag; and the single chip microcomputer is used for switching on and off of the signal channels and used for judging whether the anti-fake recognition code transmitted back from the RFID tag is correct or not. By adopting the water purifier multi-way anti-fake system, multi-way anti-faking is achieved through one radio frequency chip.
Owner:厦门致联科技有限公司

Method for increasing effective distance of face recognition and license plate recognition of police helmet

A method for increasing the effective distance of the face recognition and license plate recognition of a police helmet comprises the following steps that S1, at least two prime lenses are installed on the police helmet, the prime lenses at least comprise a short-focus lens and a long-focus lens, and the two adjacent lenses are distributed at intervals; s2, the short-focus lens and the long-focus lens shoot images of the target object at the same time, the images shot by the short-focus lens are short-focus images, and the images shot by the long-focus lens are long-focus images; a face and a license plate are recognized through the short-focus image and the long-focus image; the short-focus image and the long-focus image are analyzed by using software so as to judge the target distance and / or judge the definition of the short-focus image and the long-focus image respectively; s3, a short-focus lens and a long-focus lens are automatically switched according to the judged target distance; or the target distance is judged according to the definition of images shot by different lenses, and the working lenses are automatically switched; and S4, a clear target image is shot by using a lens suitable for the target distance, and the image is displayed to a user.
Owner:SHANGHAI JUXING TECH CO LTD

IC card signal amplifying circuit and IC card adopting circuit

The invention discloses an IC card signal amplifying circuit and an IC card adopting the circuit. The amplifying circuit comprises an antenna resonant circuit, an amplifying circuit, a near field communication chip, an identification circuit and a feedback circuit, wherein the input end of the amplifying circuit is connected with the output end of the antenna resonant circuit; the output end of the amplifying circuit is connected with the input end of the near field communication chip; the input end of the identification circuit is respectively connected with the output end of the near field communication chip and the output end of the amplifying circuit; the output end of the identification circuit is connected with the input end of the feedback circuit; the output end of the amplifying circuit is connected with the input end of the feedback circuit; and the output end of the feedback circuit is connected with the antenna resonant circuit. The IC card comprises the amplifying circuit. According to the IC card signal amplifying circuit and the IC card adopting the circuit, the antenna and an RFID chip are isolated, the IC card reading distance is increased, the anti-interference ability is enhanced, and the IC card information transmission stability is improved.
Owner:FREEVISION TECH CO LTD
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