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Novel active radio frequency identifying system and its operationn method

A radio frequency identification system and operation method technology, applied in the direction of collaborative operation devices, record carriers used by machines, instruments, etc., can solve problems such as lack of relatively mature products and applications, market space has not been developed, and technology is complex. The effect of high recognition rate, fast data transmission rate and high sensitivity

Inactive Publication Date: 2007-10-10
SHANGHAI HUALONG INFORMATION TECH DEV CENT
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AI Technical Summary

Problems solved by technology

In the 2.45GHz frequency band of the international industrial and medical dedicated frequency band (ISM frequency band), due to the simultaneous presence of Bluetooth, wireless LAN and other products, it is susceptible to interference and the technology is relatively complicated, and its related research and application are still in the exploratory stage
[0007] Today, the domestic active RFID market is in the start-up period, there are no relatively mature products and applications, and there is still a wider market space that has not been developed

Method used

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  • Novel active radio frequency identifying system and its operationn method
  • Novel active radio frequency identifying system and its operationn method
  • Novel active radio frequency identifying system and its operationn method

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Embodiment Construction

[0032] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific illustrations.

[0033] According to the summary of the invention above, the subject provided by the present invention includes three parts: an active RFID tag, an active RFID reader and a corresponding communication protocol. The composition and implementation of each part will be introduced in detail below.

[0034] As shown in Figure 1, the hardware circuit of an active RFID tag mainly includes a microprocessor, a radio frequency transceiver chip, power management, a real-time clock (RTC) and an antenna. Among them, the microprocessor and the radio frequency transceiver chip constitute the core of the label, and complete functions such as generation, modulation, demodulation and anti-collision of RF signals.

[0035] As shown in Figure 2, the hardware circuit ...

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Abstract

The present invention discloses a new type active radio frequency identification (RFID) system and its operation method. The described system includes active RFID tag, active reader and its communication protocol. Said system is worked at 2.45 GHz of ISM frequency channel, the described tag portion includes microprocessor, radio frequency receiving / sending chip, power supply management, real time clock (RTC) and antenna. The described reader mainly includes microprocessor, radio frequency receiving and sending chip, power supply management, real-time clock (RTC), liquid crystal display, external interface module and antenna, etc. At the same time it provides RS-232 interface, and can implement communication with PC machine.

Description

Technical field: [0001] The invention relates to the technical field of radio frequency identification, in particular to a novel active radio frequency identification system and its operating method. Background technique: [0002] Radio Frequency Identification (RFID) is a kind of automatic identification technology, that is, to identify targets through non-contact two-way data communication through radio frequency. It has the characteristics of fast, accurate and reliable, and can be widely used in production and logistics. , Transportation, transportation, medical, anti-counterfeiting, tracking, equipment and asset management and other application fields that need to collect and process data. [0003] At present, a typical RFID system generally consists of RFID tags, readers, and computer systems. The spatial coupling of the radio frequency signal is realized through the coupling element between the electronic tag and the reader, and in the coupling channel, energy transm...

Claims

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Application Information

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IPC IPC(8): G06K19/07G06K17/00G06K7/00
Inventor 郝妍娜淦克奇李兴仁
Owner SHANGHAI HUALONG INFORMATION TECH DEV CENT
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