CN102184445A - Electronic tag awakening method and electronic tag - Google Patents
Electronic tag awakening method and electronic tag Download PDFInfo
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- CN102184445A CN102184445A CN 201110123086 CN201110123086A CN102184445A CN 102184445 A CN102184445 A CN 102184445A CN 201110123086 CN201110123086 CN 201110123086 CN 201110123086 A CN201110123086 A CN 201110123086A CN 102184445 A CN102184445 A CN 102184445A
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- electronic tag
- address code
- low frequency
- external low
- activation signal
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Abstract
The invention discloses an electronic tag awakening method. The method comprises the following steps of: detecting an external low frequency activating signal with an address code; decoding the external low frequency activating signal and identifying the address code in the external low frequency activating signal; matching the identified address code with an address code set in an electronic tag, and awakening the electronic tag to transmit a signal to the outside if the identified address code is successfully matched with the address code set in the electronic tag. The invention also discloses the electronic tag. The electronic tag comprises an awakening circuit (1), a master control chip (2) and a radio frequency chip (3), wherein the awakening circuit (1) comprises a signal detecting unit (11) for detecting the external low frequency activating signal with the address code, and a decoding unit (12) for decoding the external low frequency activating signal, identifying the address code in the external low frequency activating signal, matching the identified address code with the address code set in the electronic tag, and awakening the electronic tag to transmit the signal to the outside if the identified address code is successfully matched with the address code set in the electronic tag. The electronic tag is activated by the low frequency activating signal with the address code, so that the power consumption can be reduced, and the positioning precision can be improved.
Description
Technical field
The present invention relates to RFID (radio requency Identification, radio-frequency (RF) identification) technology, relate in particular to the electronic tag awakening method and the electronic tag that can be adapted to, can be used for the management system of aspects such as electronics student's identity card, fixed capital management with address code low frequency activation signal.
Background technology
The various ways such as composite card that existing electronic tag has radio-frequency card, IC-card to combine with radio-frequency card.For cutting down the consumption of energy, the electronic tag most of the time is in dormant state or complete off-position, need realize the conversion of duty and dormant state by arouse machine processed, so awakening technology is one of gordian technique of electronic tag design.Awakening technology commonly used mainly contains two kinds:
One is a timing wake-up, adopts regularly intermittent duty.During dormant state, timer work regularly wakes electronic tag up; Carry out input after electronic tag wakes up, no signal then changes dormant state over to, has signal then to finish signal Processing, and then enters dormant state.This shortcoming of waking mode up is that power consumption is bigger, responds untimely.
Its two, be that hardware wakes up.Electronic tag has independently hardware wake-up circuit, after wake-up circuit detects wake-up signal, electronic tag is waken up (or powering on), makes it to enter duty, and electronic tag enters dormant state (or outage) after finishing exchanges data.This shortcoming of waking mode up is a complex structure, and cost is higher.
Wake mode up for hardware: a large amount of electronic tag products in the market do not possess the low frequency wake-up function, and its battery consumption is far above electronic tag product itself; Also have a little electrons label product to possess the low frequency wake-up function, but do not possess the address code matching feature, mistake takes place easily activate, increased battery power consumption, bearing accuracy also is affected simultaneously.
Summary of the invention
In view of this, the object of the invention is to provide a kind of electronic tag awakening method and electronic tag, can effectively reduce the power consumption of electronic tag, improves the bearing accuracy of electronic tag.
For solving above technical matters, the technical scheme that provides of the present invention is that a kind of electronic tag awakening method may further comprise the steps:
Detection has the external low frequency activation signal of address code;
The external low frequency activation signal is decoded identification address code wherein;
With the address code coupling of establishing in the address code that identifies and the electronic tag, if success then wakes electronic tag up and externally transmits.
More preferably, differentiate the intensity and/or the duration of external low frequency activation signal, switch the mode of operation of electronic tag in view of the above.
More preferably, the mode of operation of electronic tag comprises outer powered operation pattern and interior powered operation pattern, and wherein: described outer powered operation pattern is the type of drive based on the accumulation of energy of external low frequency activation signal; The powered operation pattern is the type of drive based on the electronic tag in-line power in described.
On this basis, the invention provides a kind of electronic tag, comprise main control chip (2) and the radio frequency chip (3) that is connected with described main control chip (2), also comprise the wake-up circuit (1) that is connected with described main control chip (2), comprise: detecting signal unit (11) is used to detect the external low frequency activation signal that has address code; Decoding unit (12) is used for the external low frequency activation signal is decoded, identification address code wherein, and the address code of establishing in address code that identifies and electronic tag coupling is if success then wakes electronic tag up and externally transmits.
More preferably, described wake-up circuit (1) comprises energy storage means (13), powered operation pattern outside being used under the enough situations of accumulation of energy electronic tag switched to, and described outer powered operation pattern is the type of drive based on the accumulation of energy of external low frequency activation signal.
More preferably, described detecting signal unit (11) is a low-frequency coil.
More preferably, described radio frequency chip (3) comprises wireless sending module, is used for externally transmitting.
More preferably, described wireless sending module is wireless network card, mobile communication transmitting element, bluetooth unit or infrared transmitting element.
More preferably, comprise circuit board (5), described main control chip (2) and described radio frequency chip (3) are installed on the described circuit board (5).
More preferably, in be provided with battery (4), be described main control chip (2) power supply.
Compared with prior art, the present invention can effectively reduce the power consumption of electronic tag, improves the bearing accuracy of electronic tag, particularly:
(1) the electronic tag product uses the low frequency signal based on address code to activate, and can reduce the probability that error code activates widely;
(2) the electronic tag product is only worked when the low frequency signal that address code is arranged activates just now, can greatly prolong battery working time;
(3) the electronic tag product is only worked when the low frequency signal that address code is arranged activates just now, can greatly improve bearing accuracy;
(4) after the electronic tag product externally encourages and enough encourages by force or repeatedly, can carry out work, can greatly reduce requirement, improve battery working time internal cell by externally fed.
Description of drawings
Fig. 1 is the process flow diagram of electronic tag awakening method of the present invention;
Fig. 2 is the circuit block diagram of electronic tag of the present invention;
Fig. 3 is the structural representation of electronic tag of the present invention.
Embodiment
Core of the present invention is by band address code ground low frequency activation signal electronic tag to be activated, thereby reduces power consumption, improves bearing accuracy.
In order to make those skilled in the art understand technical scheme of the present invention better, the present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Referring to Fig. 1, be the process flow diagram of electronic tag awakening method of the present invention, its course of work is:
S101, detection have the external low frequency activation signal of address code;
The address code that S102, identification external low frequency activation signal carry is promptly decoded identification address code wherein to the external low frequency activation signal;
S103, with the address code coupling of establishing in the address code that identifies and the electronic tag, if success, then wake electronic tag externally transmit (S104) up; Otherwise, make electronic tag continue to keep dormant state (S105).
Because the electronic tag product uses the low frequency signal based on address code to activate, and can reduce the probability that error code activates widely; Simultaneously, the electronic tag product is only worked when the low frequency signal that address code is arranged activates just now, can greatly improve bearing accuracy, and prolongs battery working time.
In order further to cut down the consumption of energy, electronic tag can adopt multiple mode of operation.A kind of method is to differentiate the intensity and/or the duration of external low frequency activation signal, switches the mode of operation of electronic tag in view of the above.In the present embodiment, the mode of operation of electronic tag comprises outer powered operation pattern and interior powered operation pattern, wherein:
Described outer powered operation pattern is the type of drive based on the accumulation of energy of external low frequency activation signal.If the external low frequency activation signal is enough strong or through (or the duration is longer) after repeatedly encouraging, accumulation of energy then can drive electronic tag and transmit behind enough energy.
The powered operation pattern is the type of drive based on the electronic tag in-line power in described.If the external low frequency activation signal is strong inadequately, is i.e. under the situation of accumulation of energy portion deficiency, then drives electronic tag and transmit in the in-line power mode.
Owing to be provided with outer powered operation pattern, the electronic tag product is externally encouraged enough by force or repeatedly after the excitation, can carry out work by externally fed, thereby can greatly reduce requirement, the raising battery working time internal cell.
Wake the principle of work of mode up according to above-mentioned electronic tag, but a kind of novel electronic label of specific design.
Referring to Fig. 2, represent the circuit theory of electronic tag one preferred embodiment of the present invention.This electronic tag comprises wake-up circuit 1, main control chip (MCU) 2 and radio frequency chip (RF) 3, and wherein: radio frequency chip 3 is connected with main control chip 2 output terminals; Wake-up circuit 1 is connected with main control chip 2 input ends.Below respectively each parts is described.
Described wake-up circuit 1 detecting signal unit 11, decoding unit 12 and energy storage means 13, wherein:
Detecting signal unit 11 is preferably low-frequency coil, is used to detect the external low frequency activation signal that has address code;
Decoding unit 12 is used for the external low frequency activation signal is decoded, identification address code wherein, and the address code of establishing in address code that identifies and electronic tag coupling is if success then wakes electronic tag up and externally transmits; Otherwise, make electronic tag continue to keep dormant state.
Energy storage means 13 can be energy storage capacitor, powered operation pattern outside being used under the enough situations of accumulation of energy electronic tag switched to, and this outer powered operation pattern is the type of drive based on the accumulation of energy of external low frequency activation signal.
Radio frequency chip 3 in the present embodiment comprises wireless sending module, is specially wireless network card, mobile communication transmitting element (as GRPS, CDMA standard), bluetooth unit or infrared transmitting element etc., can be used for externally transmitting.
Be provided with battery 4 in the present embodiment, be main control chip 2 power supplies.If the external low frequency activation signal is strong inadequately, is i.e. under the situation of accumulation of energy portion deficiency, then drives electronic tag and transmit in the in-line power mode.The low frequency that forms the band address activates the bimodulus electronic tag of accumulating type, helps realizing environmental protection, energy-saving effect.Do not have inside and outside power supply dual-mode of operation pattern owing to still there is other products in the market, thereby the present invention has greater advantage.
The electronic tag of present embodiment can adopt multiple physical arrangement form, below is an example.
Referring to Fig. 3, the structure of expression electronic tag of the present invention, comprising circuit board 5, main control chip 2 and radio frequency chip 3 are installed on the circuit board 5.Be provided with shell 6 in addition, above-mentioned detecting signal unit (low-frequency coil) 11, circuit board 5, battery are contained in the shell 26 together, can simplify product structure, improve Product Safety.
Only be preferred implementation of the present invention below, should be pointed out that above-mentioned preferred implementation should not be considered as limitation of the present invention, protection scope of the present invention should be as the criterion with claim institute restricted portion.For those skilled in the art, without departing from the spirit and scope of the present invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. an electronic tag awakening method is characterized in that, may further comprise the steps:
Detection has the external low frequency activation signal of address code;
The external low frequency activation signal is decoded identification address code wherein;
With the address code coupling of establishing in the address code that identifies and the electronic tag, if success then wakes electronic tag up and externally transmits.
2. electronic tag awakening method as claimed in claim 1 is characterized in that, differentiates the intensity and/or the duration of external low frequency activation signal, switches the mode of operation of electronic tag in view of the above.
3. electronic tag awakening method as claimed in claim 2, it is characterized in that, the mode of operation of electronic tag comprises outer powered operation pattern and interior powered operation pattern, and wherein: described outer powered operation pattern is the type of drive based on the accumulation of energy of external low frequency activation signal; The powered operation pattern is the type of drive based on the electronic tag in-line power in described.
4. electronic tag, comprise main control chip (2) and the radio frequency chip (3) that is connected with described main control chip (2), it is characterized in that, also comprise the wake-up circuit (1) that is connected with described main control chip (2), comprise: detecting signal unit (11) is used to detect the external low frequency activation signal that has address code; Decoding unit (12) is used for the external low frequency activation signal is decoded, identification address code wherein, and the address code of establishing in address code that identifies and electronic tag coupling is if success then wakes electronic tag up and externally transmits.
5. electronic tag as claimed in claim 4, it is characterized in that, described wake-up circuit (1) comprises energy storage means (13), powered operation pattern outside being used under the enough situations of accumulation of energy electronic tag switched to, described outer powered operation pattern is the type of drive based on the accumulation of energy of external low frequency activation signal.
6. electronic tag as claimed in claim 4 is characterized in that, described detecting signal unit (11) is a low-frequency coil.
7. electronic tag as claimed in claim 4 is characterized in that, described radio frequency chip (3) comprises wireless sending module, is used for externally transmitting.
8. electronic tag as claimed in claim 7 is characterized in that, described wireless sending module is wireless network card, mobile communication transmitting element, bluetooth unit or infrared transmitting element.
9. electronic tag as claimed in claim 4 is characterized in that, comprises circuit board (5), and described main control chip (2) and described radio frequency chip (3) are installed on the described circuit board (5).
10. as each described electronic tag of claim 4～9, it is characterized in that, in be provided with battery (4), be described main control chip (2) power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201110123086 CN102184445B (en) | 2011-05-12 | 2011-05-12 | Electronic tag awakening method and electronic tag |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110123086 CN102184445B (en) | 2011-05-12 | 2011-05-12 | Electronic tag awakening method and electronic tag |
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| CN102184445A true CN102184445A (en) | 2011-09-14 |
| CN102184445B CN102184445B (en) | 2013-04-10 |
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| CN 201110123086 Expired - Fee Related CN102184445B (en) | 2011-05-12 | 2011-05-12 | Electronic tag awakening method and electronic tag |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102646207A (en) * | 2012-03-23 | 2012-08-22 | 浙江瑞瀛网络科技有限公司 | Positioning system of RFID (Radio Frequency Identification) device based on low-frequency triggering |
| CN102998557A (en) * | 2012-11-13 | 2013-03-27 | 北京速通科技有限公司 | Onboard unit in ETC (electronic toll collection) system, and system and method for testing onboard unit |
| CN103886347A (en) * | 2014-03-28 | 2014-06-25 | 上海京颐信息科技有限公司 | Positioning radio frequency identification label for fixed assets and positioning method thereof |
| CN104507146A (en) * | 2014-11-28 | 2015-04-08 | 东莞中国科学院云计算产业技术创新与育成中心 | Low-power-consumption system and method for realizing vehicle-road communication |
| CN106018899A (en) * | 2016-07-08 | 2016-10-12 | 华立科技股份有限公司 | Infrared wake-up intelligent electric meter processing method |
| CN107145915A (en) * | 2017-04-14 | 2017-09-08 | 成都流浪科技有限公司 | Low-power consumption bluetooth intellectual capital managing device with identity recognition function |
| CN112288928A (en) * | 2020-10-22 | 2021-01-29 | 珠海优特物联科技有限公司 | Hotel check-in method and hotel management system |
| WO2021197218A1 (en) * | 2020-04-02 | 2021-10-07 | 索尼集团公司 | Electronic device, positioning method and non-transient computer-readable storage medium |
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| CN101923630A (en) * | 2010-09-07 | 2010-12-22 | 杭州中瑞思创科技股份有限公司 | Two-way communication protective method and system of object |
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| CN101540072A (en) * | 2004-04-23 | 2009-09-23 | 密克罗奇普技术公司 | Reducing false wake-up in a low frequency transponder |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102646207A (en) * | 2012-03-23 | 2012-08-22 | 浙江瑞瀛网络科技有限公司 | Positioning system of RFID (Radio Frequency Identification) device based on low-frequency triggering |
| CN102998557A (en) * | 2012-11-13 | 2013-03-27 | 北京速通科技有限公司 | Onboard unit in ETC (electronic toll collection) system, and system and method for testing onboard unit |
| CN102998557B (en) * | 2012-11-13 | 2016-01-13 | 北京速通科技有限公司 | The method of testing of vehicle carried electronic label and proving installation in a kind of ETC system |
| CN103886347A (en) * | 2014-03-28 | 2014-06-25 | 上海京颐信息科技有限公司 | Positioning radio frequency identification label for fixed assets and positioning method thereof |
| CN103886347B (en) * | 2014-03-28 | 2017-10-03 | 上海京颐科技股份有限公司 | A kind of fixed assets positioning electronic tag and its localization method |
| CN104507146A (en) * | 2014-11-28 | 2015-04-08 | 东莞中国科学院云计算产业技术创新与育成中心 | Low-power-consumption system and method for realizing vehicle-road communication |
| CN106018899A (en) * | 2016-07-08 | 2016-10-12 | 华立科技股份有限公司 | Infrared wake-up intelligent electric meter processing method |
| CN107145915A (en) * | 2017-04-14 | 2017-09-08 | 成都流浪科技有限公司 | Low-power consumption bluetooth intellectual capital managing device with identity recognition function |
| CN107145915B (en) * | 2017-04-14 | 2019-12-13 | 成都流浪科技有限公司 | low-power consumption Bluetooth intelligent asset management device with identity recognition function |
| WO2021197218A1 (en) * | 2020-04-02 | 2021-10-07 | 索尼集团公司 | Electronic device, positioning method and non-transient computer-readable storage medium |
| CN112288928A (en) * | 2020-10-22 | 2021-01-29 | 珠海优特物联科技有限公司 | Hotel check-in method and hotel management system |
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| CN102184445B (en) | 2013-04-10 |
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Address after: 510000, room 30, No. 810 Tianhe North Road, Guangzhou, Guangdong, Tianhe District Patentee after: Guangzhou Tianyi intelligent Polytron Technologies Inc Address before: 510000, room 30, No. 810 Tianhe North Road, Guangzhou, Guangdong, Tianhe District Patentee before: Guangzhou Time Space Intelligent Technology Co., Ltd. |
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Granted publication date: 20130410 Termination date: 20190512 |
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