Peripheral circuit for RFID (radio frequency identification) reader-writer base station

A technology of peripheral circuits and readers, applied in the field of peripheral circuits of RFID reader base stations, can solve the problems of short reading and writing distance, high energy consumption, inconvenient use, etc., to achieve enhanced reading and writing distance and low energy consumption. Effect

Inactive Publication Date: 2015-05-20
CHENGDU ZHAOMEI SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional RFID reader has high energy consumption, short reading and writing distance, and is inconvenient to use

Method used

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  • Peripheral circuit for RFID (radio frequency identification) reader-writer base station

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Embodiment Construction

[0009] The present invention will be further described below in conjunction with accompanying drawing:

[0010] Such as figure 1 As shown, the present invention is a peripheral circuit for the RFID reader base station, including the radio frequency card base station chip IC, the first capacitor C1 to the eighth capacitor C8, the first resistor R1 to the eleventh resistor R11, the triode VT, The inductance coil L and the first diode D1 to the fifth diode D5, the input terminals of the power supply voltage are respectively connected to the collector of the triode VT and the first terminal of the second resistor R2, and the second terminal of the second resistor R2 is respectively connected to The standby power end of the radio frequency card base station chip IC is connected to the first end of the second capacitor C2, the second end of the second capacitor C2 is grounded, and the base of the triode VT is respectively connected to the external power source end of the radio frequ...

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PUM

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Abstract

The invention discloses a peripheral circuit for an RFID (radio frequency identification) reader-writer base station. The peripheral circuit comprises a radio frequency card base station chip, first to eight capacitors, first to eleventh resistors, a triode, an inductor coil and first to fifth didoes. The voltage input end of a power supply is connected with a collector of the triode and the first end of the second resistor. The second end of the second resistor is connected with the backup power end of the radio frequency card base station chip and the first end of the second capacitor. The second end of the second capacitor is grounded; a base of the triode is connected with the external power end of the radio frequency card base station chip and the first end of the first resistor. An RFID reader-writer with the peripheral circuit allows a reading-writing distance to be enlarged through the bridge didoes, and the peripheral circuit is low in energy consumption and worthy of popularization and application.

Description

technical field [0001] The invention relates to a peripheral circuit of a base station, in particular to a peripheral circuit used for an RFID reader-writer base station. Background technique [0002] RFID technology is a communication technology that can identify specific targets and read and write related data through radio signals without establishing mechanical or optical contact between the identification system and specific targets. An RFID system generally includes several parts such as a radio frequency tag, an RFID reader, and a host. An RFID reader automatically identifies the target object and obtains relevant data through the radio frequency identification signal without manual intervention. Traditional RFID readers have high energy consumption, short reading and writing distances, and are inconvenient to use. Contents of the invention [0003] The object of the present invention is to provide a peripheral circuit for RFID reader-writer base station in order t...

Claims

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Application Information

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IPC IPC(8): G06K17/00
Inventor 唐海龙
Owner CHENGDU ZHAOMEI SCI & TECH
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