CN201984599U - Goods protection device for preventing inner theft - Google Patents
Goods protection device for preventing inner theft Download PDFInfo
- Publication number
- CN201984599U CN201984599U CN2011200324125U CN201120032412U CN201984599U CN 201984599 U CN201984599 U CN 201984599U CN 2011200324125 U CN2011200324125 U CN 2011200324125U CN 201120032412 U CN201120032412 U CN 201120032412U CN 201984599 U CN201984599 U CN 201984599U
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- China
- Prior art keywords
- circuit
- electronic tag
- demoder
- coding
- unit
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Abstract
The present utility model provides a goods protection device for preventing inner theft. The device is composes of an electronic tag and a decoder. The decoder is composes of a decoder power supply, a decoder control circuit, a decoder radio frequency transmit-receive circuit, a coding unit, a keyboard input circuit, a display circuit and a reservoir circuit. The input circuit, the display circuit, the coding unit and the decoder radio frequency transmit-receive circuit are controlled by the decoder control circuit through bus. The electronic tag is composed of an electronic tag radio frequency transmit-receive circuit, an electronic tag control circuit, an electronic tag power supply management unit, an alarm circuit unit, a state sensor unit and a codes-saving memory. The electronic tag radio frequency transmit-receive circuit, the electronic tag power supply management unit, the alarm unit, the state sensor unit and the codes-saving memory are controlled by the electronic tag circuit through the bus. The decoder provided in the present utility model can prevent goods from being stolen by internal employees.
Description
Technical field
The utility model relates to the commodity protective device.
Background technology
Leave some commodity on the open shelf of places of business such as market in, businessman is illegally taken out of the place of business in order to prevent them, often on these commodity electronic tag is set.When the stolen control door through the place of business of commodity, electronic tag receives the pilot signal induction, triggers warning circuit or the warning device of control door is reported to the police.Can prevent effectively that commodity are stolen, have the interior employee of discovery to take advantage of one's position during places of business such as still present market, the anti-theft feature of removing electronic tag carries out internal theft.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of interior commodity protective device of stealing of preventing, to prevent that commodity are by internal theft.For this reason, the utility model by the following technical solutions: a kind of commodity protective device of stealing in anti-, it is made up of electronic tag, demoder; It is characterized in that demoder is made up of demoder power supply, demoder control circuit, demoder RF transmit-receive circuit, coding unit, keyboard input circuit, display circuit and reservoir circuit; The demoder control circuit is by bus supervisory keyboard input circuit, display circuit, coding unit and demoder RF transmit-receive circuit;
Electronic tag is made up of the storer of electronic tag RF transmit-receive circuit, electronic tag control circuit, electronic tag Power Management Unit, warning circuit unit, state sensor unit, preservation coding; Described state sensor unit comprises active sensor unit or/and passive sensor, and described active sensor unit links to each other with the control circuit of electronic tag; The electronic tag control circuit is by the storer of total line traffic control electronic tag RF transmit-receive circuit, electronic tag Power Management Unit, warning circuit unit, state sensor unit, preservation coding.
The utility model can be provided with coding to electronic tag, coding can directly be cured in ROM or FLASH or the eeprom memory by burning equipment, perhaps, coding unit by demoder produces coded message, launch this coded message by the demoder control circuit by the RF transmit-receive circuit of bus mode control demoder, RF transmit-receive circuit via electronic tag receives coded message, and the control circuit by electronic tag is written in the storer of preserving coding by bus mode then.This electronic tag just can only be removed operation by launching the demoder with this coded message like this, and this demoder can bind with market sales force's information, so just can effectively prevent interior robber.
Description of drawings
Fig. 1 is the frame principle figure of demoder embodiment of the present utility model.
Fig. 2 is the principle of work synoptic diagram of demoder of the present utility model.
Fig. 3 is the frame principle figure of electronic tag embodiment of the present utility model.
Fig. 4 is the principle of work synoptic diagram of electronic tag of the present utility model.
Embodiment
With reference to accompanying drawing.The anti-interior commodity protective device of stealing provided by the utility model, it is made up of electronic tag, demoder; Demoder is made up of demoder power supply, demoder control circuit, demoder RF transmit-receive circuit, coding unit, keyboard input circuit, display circuit and reservoir circuit; The demoder control circuit is connected with keyboard input circuit, display circuit, coding unit and demoder RF transmit-receive circuit by bus, supervisory keyboard input circuit, display circuit, coding unit and demoder RF transmit-receive circuit; Described demoder power supply is formed by exchange changeing direct current module and Voltage stabilizing module, and the Voltage stabilizing module of forming such as the interchange commentaries on classics direct current module of being made up of rectifier bridge and LM2596 voltage stabilizing chip constitutes; Described demoder control circuit is made up of first micro controller module and auxiliary circuit, and first microcontroller is single-chip microcomputer or ARM or DSP; Described coding unit is made up of coding controller and coding circuit, and coding controller is the microcontroller in single-chip microcomputer or ARM or the shared decoder controller circuit, and coding circuit is made up of triode and logic chip; Described memory circuitry can be FLASH or EEPROM and corresponding controller circuitry and forms.
Electronic tag is made up of the storer of electronic tag RF transmit-receive circuit, electronic tag control circuit, electronic tag Power Management Unit, warning circuit unit, state sensor unit, preservation coding; Described state sensor unit comprises active sensor unit or/and passive sensor, and described active sensor unit links to each other with the control circuit of electronic tag; The electronic tag control circuit is connected by the storer of bus with electronic tag RF transmit-receive circuit, electronic tag Power Management Unit, warning circuit unit, state sensor unit, preservation coding, the storer of control electronic tag RF transmit-receive circuit, electronic tag Power Management Unit, warning circuit unit, state sensor unit, preservation coding.Described electronic tag control circuit is made up of second microcontroller and auxiliary circuit, and second microcontroller is single-chip microcomputer or ARM; Described electric label power source administrative unit is made up of voltage stabilizing chip SP6201EM5-3.3; Described warning circuit unit is made up of boost inductance, hummer; The storer of described preservation coding is ROM or FLASH or eeprom memory, it preserves the coding unit generation coded message that coded system directly is cured in ROM or FLASH or the eeprom memory by burning equipment or passes through demoder, control circuit by demoder is launched this coded message by the RF transmit-receive circuit of bus mode control demoder, RF transmit-receive circuit via electronic tag receives coded message, and the control circuit by electronic tag is written in the storer of preserving coding by bus mode then.
The demoder RF transmit-receive circuit is made up of radio-frequency receiving-transmitting integrated circuit, crystal oscillator and antenna; The electronic tag RF transmit-receive circuit is made up of radio-frequency receiving-transmitting integrated circuit, crystal oscillator and antenna; The state sensor unit of electronic tag is made up of active sensor and output Shaping circuit.Radio frequency chip CC2500,26M crystal oscillator and PCB antenna such as integrated transmission circuit are formed; Active sensor can be gathered the temperature of-40 to 125 degree such as the MCP9700T chip of collecting temperature information.
Coding unit is obtained the coded message of coding unit by the demoder control circuit by bus mode, controls demoder radio-frequency transmissions circuit by bus then, produces the radiofrequency signal of band coding.
The storer of described preservation coding is ROM or FLASH or eeprom memory, it preserves the coding unit generation coded message that coded system directly is cured in ROM or FLASH or the eeprom memory by burning equipment or passes through demoder, control circuit by demoder is launched this coded message by the RF transmit-receive circuit of bus mode control demoder, RF transmit-receive circuit via electronic tag receives coded message, and the control circuit by electronic tag is written in the storer of preserving coding by bus mode then.
Claims (4)
1. prevent the interior commodity protective device of stealing for one kind, it is made up of electronic tag, demoder; It is characterized in that demoder is made up of demoder power supply, demoder control circuit, demoder RF transmit-receive circuit, coding unit, keyboard input circuit, display circuit and reservoir circuit; The demoder control circuit is by bus supervisory keyboard input circuit, display circuit, coding unit and demoder RF transmit-receive circuit;
Electronic tag is made up of the storer of electronic tag RF transmit-receive circuit, electronic tag control circuit, electronic tag Power Management Unit, warning circuit unit, state sensor unit, preservation coding; Described state sensor unit comprises active sensor unit or/and passive sensor, and described active sensor unit links to each other with the control circuit of electronic tag; The electronic tag control circuit is by the storer of total line traffic control electronic tag RF transmit-receive circuit, electronic tag Power Management Unit, warning circuit unit, state sensor unit, preservation coding.
2. a kind of commodity protective device of stealing in anti-as claimed in claim 1 is characterized in that the demoder RF transmit-receive circuit is made up of radio-frequency receiving-transmitting integrated circuit, crystal oscillator and antenna; The electronic tag RF transmit-receive circuit is made up of radio-frequency receiving-transmitting integrated circuit, crystal oscillator and antenna; The state sensor unit of electronic tag is made up of active sensor and output Shaping circuit.
3. a kind of anti-interior commodity protective device of stealing as claimed in claim 1 or 2; it is characterized in that described coding unit is made up of coding controller and coding circuit; coding controller is the microcontroller in single-chip microcomputer or ARM or the shared decoder controller circuit, and coding circuit is made up of triode and logic chip.
4. a kind of anti-interior commodity protective device of stealing as claimed in claim 1 or 2, it is characterized in that: the storer of described preservation coding is ROM or FLASH or eeprom memory.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200324125U CN201984599U (en) | 2011-01-30 | 2011-01-30 | Goods protection device for preventing inner theft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200324125U CN201984599U (en) | 2011-01-30 | 2011-01-30 | Goods protection device for preventing inner theft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201984599U true CN201984599U (en) | 2011-09-21 |
Family
ID=44612055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200324125U Expired - Fee Related CN201984599U (en) | 2011-01-30 | 2011-01-30 | Goods protection device for preventing inner theft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201984599U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102535975A (en) * | 2012-01-18 | 2012-07-04 | 东莞市太平洋计算机科技有限公司 | Mechanically encoded secure radio frequency identification (RFID) passive electronic tag |
-
2011
- 2011-01-30 CN CN2011200324125U patent/CN201984599U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102535975A (en) * | 2012-01-18 | 2012-07-04 | 东莞市太平洋计算机科技有限公司 | Mechanically encoded secure radio frequency identification (RFID) passive electronic tag |
| CN102535975B (en) * | 2012-01-18 | 2014-06-11 | 东莞市太平洋计算机科技有限公司 | Mechanically encoded secure radio frequency identification (RFID) passive electronic tag |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Hangzhou City, Zhejiang province 310015 Shangcheng District Moganshan Road No. 1418-25 city science and Technology Park Patentee after: CENTURY TECHNOLOGY CO., LTD. Address before: Hangzhou City, Zhejiang province 310015 Shangcheng District Moganshan Road No. 1418-25 city science and Technology Park Patentee before: Hangzhou Century Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110921 Termination date: 20200130 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |