CN208298223U - UHF RFID label chip circuit - Google Patents
UHF RFID label chip circuit Download PDFInfo
- Publication number
- CN208298223U CN208298223U CN201820873283.4U CN201820873283U CN208298223U CN 208298223 U CN208298223 U CN 208298223U CN 201820873283 U CN201820873283 U CN 201820873283U CN 208298223 U CN208298223 U CN 208298223U
- Authority
- CN
- China
- Prior art keywords
- circuit
- analog front
- end module
- label chip
- utility
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 7
- 230000005611 electricity Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Near-Field Transmission Systems (AREA)
Abstract
The utility model discloses a kind of UHF RFID label chip circuits, it is related to a kind of label chip circuit.Including antenna, rf analog front-end module, digital circuit and memory, antenna is connected by rf analog front-end module with digital circuit, and digital circuit is connected with memory；The rf analog front-end module includes demodulator circuit, rectification circuit, modulation circuit, pressure stabilizing a reference source, clock generation circuit and electrification reset circuit.The structure design of the utility model is reasonable, has the advantages of low input, high rectification efficiency.
Description
Technical field
The utility model relates to a kind of label chip circuits, and in particular to a kind of UHF RFID label chip electricity
Road.
Background technique
RFID technique is widely applied (target identification, contactless smart card, medical treatment implantation etc.) by it and produces revolution
The life style of property.For most of applications, passive RFID tags nothing due to it can obtain energy from radiofrequency signal
External battery is needed to become better choice.The most important problem of passive RFID tags is how to realize high transformation efficiency and low function
Consumption.
In conclusion the utility model devises a kind of UHF RFID label chip circuit.
Summary of the invention
In view of the shortcomings of the prior art, the utility model aims to provide a kind of UHF RFID label cores
Piece circuit, it is reasonable in design, there is the advantages of low input, high rectification efficiency.
To achieve the goals above, the utility model is achieved through the following technical solutions: UHF RFID label core
Piece circuit, including antenna, rf analog front-end module, digital circuit and memory, antenna by rf analog front-end module with
Digital circuit is connected, and digital circuit is connected with memory；The rf analog front-end module includes demodulator circuit, rectified current
Road, modulation circuit, pressure stabilizing a reference source, clock generation circuit and electrification reset circuit.
The rf analog front-end module of the utility model is mainly used for rectifying radiofrequency signal, demodulation backscattering
Modulation；Rf analog front-end module reply by cable mainly for generation of pressure stabilizing a reference source and system clock required in chip
Position etc.；Digital circuit is mainly used for carrying out encoding and decoding and the processing of anticollision protocol etc. to digital signal；Memory cell mould
Block is stored for information.
The utility model has the beneficial effects that it is reasonable in design, there is the advantages of low input, high rectification efficiency.
Detailed description of the invention
It is described in detail the utility model with reference to the accompanying drawings and detailed description；
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the utility model is further described.
Referring to Fig.1, present embodiment uses following technical scheme: UHF RFID label chip circuit, including antenna
1, rf analog front-end module 2, digital circuit 3 and memory 4, antenna 1 pass through rf analog front-end module 2 and digital circuit 3
It is connected, digital circuit 3 is connected with memory 4；The rf analog front-end module 2 includes demodulator circuit, rectification circuit, modulation
Circuit, pressure stabilizing a reference source, clock generation circuit and electrification reset circuit.
The antenna of present embodiment is the interaction end between label and reader, passes through electromagnetic wave coupling, mark
The energy that label need when can obtain work from the electromagnetic wave that reader emits, while being also responsible for the transmitting of interactive information；It penetrates
Frequency AFE(analog front end) is mainly used for providing the voltage needed for circuit works normally, and restores the wanted clock of digital circuit work, generates multiple
Position signal, and relevant signal during modulation /demodulation transmitting-receiving " it mainly can be divided into following module: clock generation circuit by
Piece annular oscillator generates clock；Rectification circuit will be coupled out of reader emits electromagnetic wave each period by antenna
Faint energy accumulation, output direct-current working volts establish the stable working power of entire chip after pressure stabilizing reference source circuit
VDD, the module need Schottky diode or the MOS pipe using Low threshold, to guarantee that the height response to radiofrequency signal is sensitive
Degree, obtains higher energy conversion efficiency；Electrification reset circuit is under setting condition, with number electricity in power on signal flip chip
It starts to work on road；Demodulator circuit receive reader transmitting electromagnetic wave, obtain data information after demodulation, be output to numerical portion into
Row processing；The reply data of electronic tag is passed through periodically-varied chip input impedance method modulated reflection by modulation circuit
Characteristic reaches transmission data purpose after reader demodulates ".
Digital circuits section is responsible for realizing the communication of label and read-write equipment, it is by control and arithmetical unit, anticollision electricity
Road, authenticate access-control scheme, encryption unit etc. composition " control logic part mainly realize data format, encryption, anticollision and
Wherein, control between each functional module can be used mode control state machine and " control and arithmetical unit is the core of numerical portion
The heart is responsible for explanation and execution to order, and coordinates other module work；Anticollision circuit is guaranteed by algorithm while being in knowledge
Multiple electronic tags not in distance, are accessed in certain sequence, and the algorithm that the timing of system uses can quickly make multiple electronics
Label is in masked state, only retains a label and establishes Lothrus apterus with reader and communicate, after into dormant state, so
It repeats, until whole labels are by reliable recognition；After label is chosen, the identity of visitor is determined by certification access circuit, and
Give the right of matching；Encryption unit is for encrypting transmitted data, and the decryption of completion docking collection of letters breath ".
Memory is the memory module of data information in label chip, the main user number (UID) for storing tag communication,
Authentication code, key, and the information of its referred to article, require division into multiple sectors, to meet the access right of different user
Limit, and write-in voltage is provided by pressure stabilizing reference source circuit for it.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (1)
1.UHF RFID label chip circuit, which is characterized in that including antenna (1), rf analog front-end module (2), number electricity
Road 3) and memory (4), antenna (1) is connected by rf analog front-end module (2) with digital circuit (3), digital circuit (3)
It is connected with memory (4)；The rf analog front-end module (2) includes demodulator circuit, rectification circuit, modulation circuit, pressure stabilizing
A reference source, clock generation circuit and electrification reset circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820873283.4U CN208298223U (en) | 2018-06-07 | 2018-06-07 | UHF RFID label chip circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820873283.4U CN208298223U (en) | 2018-06-07 | 2018-06-07 | UHF RFID label chip circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208298223U true CN208298223U (en) | 2018-12-28 |
Family
ID=64722669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820873283.4U Expired - Fee Related CN208298223U (en) | 2018-06-07 | 2018-06-07 | UHF RFID label chip circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208298223U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110427790A (en) * | 2019-07-22 | 2019-11-08 | 阿里巴巴集团控股有限公司 | A kind of RFID device and the information processing method based on it |
| US10789391B1 (en) | 2019-07-22 | 2020-09-29 | Alibaba Group Holding Limited | RFID information processing |
-
2018
- 2018-06-07 CN CN201820873283.4U patent/CN208298223U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110427790A (en) * | 2019-07-22 | 2019-11-08 | 阿里巴巴集团控股有限公司 | A kind of RFID device and the information processing method based on it |
| US10789391B1 (en) | 2019-07-22 | 2020-09-29 | Alibaba Group Holding Limited | RFID information processing |
| US10984135B2 (en) | 2019-07-22 | 2021-04-20 | Advantageous New Technologies Co., Ltd. | RFID information processing |
| US11334688B2 (en) | 2019-07-22 | 2022-05-17 | Advanced New Technologies Co., Ltd. | RFID information processing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100504920C (en) | Noncontact tag, control method therefor and noncontact ID identification system | |
| CN103929526A (en) | Mobile phone, method and system for radio frequency identification | |
| CN108183731A (en) | A kind of low power architecture system of ultra-high-frequency passive RFID digital basebands | |
| CN208298223U (en) | UHF RFID label chip circuit | |
| CN209182836U (en) | RFID reader | |
| CN102346869A (en) | Ultrahigh-frequency sensor tag chip | |
| Naveed et al. | Reliable and Low Cost RFID Based Authentication System for Large Scale Deployment. | |
| CN203573357U (en) | Artwork authenticity identification system | |
| CN201429849Y (en) | Radio frequency identification reader-writer | |
| CN203444488U (en) | ISO7816 standard IC card and non-contact intelligent card reading module | |
| CN103646224A (en) | Non-contact IC card decoding circuit | |
| CN202102469U (en) | Double-frequency double-interface CPU (central processing unit) intelligent card | |
| CN103226726A (en) | Novel semi-passive RFID label chip | |
| CN204374995U (en) | Multi-frequency band radio-frequency smart card, reader device and multi-frequency band radio-frequency card number integrated system | |
| CN203838734U (en) | Hand-held type internet of things terminal | |
| CN202495051U (en) | Three-in-one second generation identity card reader | |
| CN204706047U (en) | A kind of RFID card reader for high fail-safe computer | |
| CN201749477U (en) | High-frequency radio frequency identification (RFID) reader-writer | |
| CN206460468U (en) | A kind of three-in-one Table top type read write line | |
| CN202495060U (en) | M1 card reading module of second generation identity card reader | |
| CN205139952U (en) | In remote RFID intelligent terminal read -write system | |
| CN203149589U (en) | Label circuit of low-power-consumption radio frequency identification system | |
| CN203376754U (en) | Card reader | |
| CN207965898U (en) | A kind of radio-frequency card card-reading apparatus | |
| Fu et al. | A New RFID-USB Key |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 201505 Building 2, 2001 Jintang Road, Jinshan Industrial Zone, Jinshan District, Shanghai Patentee after: Shanghai Donghong Intelligent Packaging Co.,Ltd. Address before: 201201 3rd floor, 7147 Dongchuan Road, Heqing Town, Pudong New Area, Shanghai Patentee before: SHANGHAI DONGHONG PRINTING Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181228 |