CN203102323U - Multi label multi protocol RFID reader - Google Patents
Multi label multi protocol RFID reader Download PDFInfo
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- CN203102323U CN203102323U CN 201320030250 CN201320030250U CN203102323U CN 203102323 U CN203102323 U CN 203102323U CN 201320030250 CN201320030250 CN 201320030250 CN 201320030250 U CN201320030250 U CN 201320030250U CN 203102323 U CN203102323 U CN 203102323U
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Abstract
The utility model discloses a multi label multi protocol RFID reader which comprises an RFID based processor, a linear quadrature demodulator, a first bandpass filter, a second bandpass filter, a third bandpass filter, a fourth bandpass filter, a circulator, a voltage-controlled oscillator, a linear quadrature modulator, an attenuator, a hybrid coupler, a frequency synthesizer, an RFID controller, a dynamic programmable analog signal processor and an RFID detector. According to the utility model, by using the dynamic programmable analog signal processor, the technical problem that by using the same hardware platform and different software programming configuration, a reader can read and write various and different protocols and labels is solved; and the multi label multi protocol RFID reader has the advantages of stable performance and high reliability.
Description
Technical field
The utility model relates to a kind of rfid interrogator, particularly relates to a kind of many labels multi-protocols rfid interrogator.
Background technology
Radio frequency discrimination RFID (Radio Frequency Identification) is a kind of non-contacting automatic identification technology.At present, the RFID technology does not also form unified globalization standard, the situation that application facet exists the multiple standards agreement and deposits.The standard of now having issued or having formulated is mainly relevant with data acquisition, comprising the performance of data exchange agreement, RFID label and read write line between air interface, read write line and the computing machine between electronic tag (Tag) and the read write line (Reader) and the data content coding standard of uniformity test standard and RFID label etc.The hardware design of read write line is one of key component in the RFID system, and at present domestic RFID research concentrates on radio frequency system, in UHF section or the then less people's research of microwave section.
Summary of the invention
The purpose of this utility model is that the many labels multi-protocols that integrate multiple different agreement label read-write capability rfid interrogator is provided in order to address the above problem.
The utility model is achieved through the following technical solutions:
A kind of many labels multi-protocols rfid interrogator, comprise RFID tape base processor, the linear orthogonal detuner, first bandpass filter, second bandpass filter, the 3rd bandpass filter, four-tape bandpass filter, circulator, voltage controlled oscillator, the linear orthogonal modulator, attenuator, hybrid coupler, frequency synthesizer, the RFID controller, dynamically programmable analogue signal processor and RFID wave detector, the signal output part of described RFID controller is connected with the signal input part of the signal input part of described frequency synthesizer with described dynamically programmable analogue signal processor, the signal output part of described frequency synthesizer is connected with the signal input part of described voltage controlled oscillator, the signal output part of described voltage controlled oscillator is connected with the signal input part of described second bandpass filter, the signal output part of described second bandpass filter is connected with the signal input part of described linear orthogonal detuner and the signal input part of described linear orthogonal modulator respectively, the signal output part of described linear orthogonal modulator is connected with the signal input part of described the 3rd bandpass filter, the signal output part of described the 3rd bandpass filter is connected with the signal input part of described attenuator, the signal output part of described attenuator is connected with the signal input part of described four-tape bandpass filter, the signal output part of described four-tape bandpass filter is connected with the signal input part of described hybrid coupler, the signal output part of described hybrid coupler is connected with the signal input part of described circulator, the signal output part of described circulator is connected with the signal output part of described first bandpass filter, the signal output part of described first bandpass filter is connected with the signal input part of described linear orthogonal detuner, and the signal output part of described linear orthogonal demodulator is connected with the signal input part of described RFID baseband processor.
Further, described RFID controller is 32 a high-performance ARM9 chip.
The beneficial effects of the utility model are:
The utility model has solved and has utilized identical hardware platform, disposed by different software programmings the technical barrier of realizing the read-write multiple different agreement label of read write line by adopting the dynamically programmable analogue signal processor.The utlity model has stable performance, advantage that reliability is high.
Description of drawings
Fig. 1 is the structured flowchart of many labels of the utility model multi-protocols rfid interrogator.
Embodiment
The utility model is described in further detail below in conjunction with drawings and the specific embodiments:
As shown in Figure 1, many labels of the utility model multi-protocols rfid interrogator, comprise RFID tape base processor, the linear orthogonal detuner, first bandpass filter, second bandpass filter, the 3rd bandpass filter, four-tape bandpass filter, circulator, voltage controlled oscillator, the linear orthogonal modulator, attenuator, hybrid coupler, frequency synthesizer, the RFID controller, dynamically programmable analogue signal processor and RFID wave detector, the signal output part of described RFID controller is connected with the signal input part of the signal input part of described frequency synthesizer with described dynamically programmable analogue signal processor, the signal output part of described frequency synthesizer is connected with the signal input part of described voltage controlled oscillator, the signal output part of described voltage controlled oscillator is connected with the signal input part of described second bandpass filter, the signal output part of described second bandpass filter is connected with the signal input part of described linear orthogonal detuner and the signal input part of described linear orthogonal modulator respectively, the signal output part of described linear orthogonal modulator is connected with the signal input part of described the 3rd bandpass filter, the signal output part of described the 3rd bandpass filter is connected with the signal input part of described attenuator, the signal output part of described attenuator is connected with the signal input part of described four-tape bandpass filter, the signal output part of described four-tape bandpass filter is connected with the signal input part of described hybrid coupler, the signal output part of described hybrid coupler is connected with the signal input part of described circulator, the signal output part of described circulator is connected with the signal output part of described first bandpass filter, the signal output part of described first bandpass filter is connected with the signal input part of described linear orthogonal detuner, and the signal output part of described linear orthogonal demodulator is connected with the signal input part of described RFID baseband processor.
In the present embodiment, described RFID controller is 32 a high-performance ARM9 chip.
Claims (2)
1. the rfid interrogator of label multi-protocols more than a kind, it is characterized in that: comprise RFID tape base processor, the linear orthogonal detuner, first bandpass filter, second bandpass filter, the 3rd bandpass filter, four-tape bandpass filter, circulator, voltage controlled oscillator, the linear orthogonal modulator, attenuator, hybrid coupler, frequency synthesizer, the RFID controller, dynamically programmable analogue signal processor and RFID wave detector, the signal output part of described RFID controller is connected with the signal input part of the signal input part of described frequency synthesizer with described dynamically programmable analogue signal processor, the signal output part of described frequency synthesizer is connected with the signal input part of described voltage controlled oscillator, the signal output part of described voltage controlled oscillator is connected with the signal input part of described second bandpass filter, the signal output part of described second bandpass filter is connected with the signal input part of described linear orthogonal detuner and the signal input part of described linear orthogonal modulator respectively, the signal output part of described linear orthogonal modulator is connected with the signal input part of described the 3rd bandpass filter, the signal output part of described the 3rd bandpass filter is connected with the signal input part of described attenuator, the signal output part of described attenuator is connected with the signal input part of described four-tape bandpass filter, the signal output part of described four-tape bandpass filter is connected with the signal input part of described hybrid coupler, the signal output part of described hybrid coupler is connected with the signal input part of described circulator, the signal output part of described circulator is connected with the signal output part of described first bandpass filter, the signal output part of described first bandpass filter is connected with the signal input part of described linear orthogonal detuner, and the signal output part of described linear orthogonal demodulator is connected with the signal input part of described RFID baseband processor.
2. many labels multi-protocols rfid interrogator according to claim 1 is characterized in that: described RFID controller is 32 a high-performance ARM9 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320030250 CN203102323U (en) | 2013-01-21 | 2013-01-21 | Multi label multi protocol RFID reader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320030250 CN203102323U (en) | 2013-01-21 | 2013-01-21 | Multi label multi protocol RFID reader |
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| CN203102323U true CN203102323U (en) | 2013-07-31 |
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| CN 201320030250 Expired - Fee Related CN203102323U (en) | 2013-01-21 | 2013-01-21 | Multi label multi protocol RFID reader |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103942580A (en) * | 2013-01-21 | 2014-07-23 | 成都摩宝网络科技有限公司 | Multi-label multi-protocol RFID (Radio Frequency Identification) reader |
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2013
- 2013-01-21 CN CN 201320030250 patent/CN203102323U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103942580A (en) * | 2013-01-21 | 2014-07-23 | 成都摩宝网络科技有限公司 | Multi-label multi-protocol RFID (Radio Frequency Identification) reader |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20140121 |