CN104091184B - Electronic label detecting method and system - Google Patents
Electronic label detecting method and system Download PDFInfo
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- CN104091184B CN104091184B CN201410268223.6A CN201410268223A CN104091184B CN 104091184 B CN104091184 B CN 104091184B CN 201410268223 A CN201410268223 A CN 201410268223A CN 104091184 B CN104091184 B CN 104091184B
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Abstract
The present invention provides a kind of electronic label detecting method and system, and method includes：Read write line, which sends selected instruction, makes the electronic tag in the range of aerial radiation be selected；Selected electronic tag receives taking inventory for read write line transmission and instructs and select random number within a preset range；Read write line receives the parameter sent of electronic tag and judges whether exception；If during otherwise read write line instructs parameter added to response and sending；The electronic tag for receiving response instruction sends radiofrequency signal, and read write line calculates RSSI according to radiofrequency signal；Read write line judges RSSI whether in setting range, if the electronic tag for then receiving response instruction exits flow, if otherwise rejecting the electronic tag for receiving response instruction；Judge whether to there remains electronic tag, if then remaining electronic tag depreciation, until the random number that there is electronic tag is zero, read write line receives parameter and judges whether parameter is abnormal again.The present invention realizes the purpose of electronic tag consistency detection.
Description
Technical field
The present invention relates to a kind of electronic tag, the detection side that more particularly to a kind of uniformity to electronic tag is detected
Method and detecting system.
Background technology
RFID (Radio Frequency Identification, radio frequency identification) technology is a kind of real using radio communication
Existing noncontact automatic identification technology, with fast moving objects identification, multi-targets recognition and the features such as contactless identification, extensively
Apply in the public information service industry such as logistics, manufacture, communications and transportation, medical treatment, false proof, asset management.
With the development and popularization of RFID technique, RFID is an important composition portion in actual applications
Point, but it brings two problems：First, in an rfid system, the quantity of electronic tag and its huge, it is dynamic then up to ten thousand, it is many
Then hundreds of thousands, for so big data volume, the data initialization of electronic tag works, by way of being manually written just less
Reality；Secondly label manufacturer combines label chip and antenna etc. any one in a series of subsequent processes by sealed in unit
Individual factor may all have influence on the performance of electronic tag, if the uniformity of electronic tag, which is unsatisfactory for requirement, will result directly in RFID
The decline of discrimination and accuracy rate, so as to influence the practical application of RFID system, this is accomplished by working out a kind of detection method, should
Detection method can reject the not good electronic tag of performance.
The content of the invention
The technical problem to be solved in the present invention is that the one of a kind of detection electronic tag is not present in the prior art in order to overcome
Whether cause property meets the defect of method of requirement, and there is provided a kind of electronic tag for the uniformity that can effectively detect electronic tag
Detection method and system.
The present invention is to solve above-mentioned technical problem by following technical proposals：
The present invention provides a kind of electronic label detecting method, and its feature is that it comprises the following steps：
S1, a read write line sends one is used to select the selected instruction of electronic tag, in the aerial radiation scope of the read write line
Interior all electronic tags are selected；
S2, the read write line send and one take inventory instruction, those selected electronic tags receive this and take inventory instruction；
S3, those selected electronic tags a random number is selected in a preset range；
S4, being used for of sending of the electronic tag that receives in those selected electronic tags of the read write line confirm that communication is compiled
Number parameter, and judge whether the parameter abnormal, if then repeat step S3If otherwise entering step S5；
S5, the read write line is by the parameter that sends of electronic tag that the random number of selection is minimum value in the preset range
Respond in instruction and send added to one；
S6, the electronic tag that receives response instruction send the radiofrequency signal comprising identification information to the read write line, the reading
Write the RSSI (received signal strength indicator) that device calculates the electronic tag for receiving response instruction according to the radiofrequency signal；
S7, the read write line judge RSSI whether in a setting range, if then enter step S8If otherwise entering step
S9；
S8, receive the response instruction electronic tag exit flow；
S9, reject receive the response instruction electronic tag；
S10, judge whether there remains electronic tag in those selected electronic tags, if then enter step S11If,
Otherwise flow is terminated；
S11, the read write line send adjust instruction make remaining electronic tag depreciation, until remaining electronic tag in exist
The random number of electronic tag is zero value, and repeat step S4。
Tag compliance refers to that the fundamental characteristics of label is identical, and other characteristics are similar, and fundamental characteristics is quantified, and
Differentiated by technological means.The electronic tag uniformity of this programme is directed to the readwrite performance of electronic tag, reads and writes this special
Property be most basic, most important characteristic for electronic tag, be also be difficult batch detection characteristic.
This programme carries out numerical quantization using received signal strength indicator (i.e. RSSI), by REID, to electricity
Subtab batch detection its consistency.Wherein, received signal strength indicator refers to that real received signal strength is received with optimal
Difference between signal strength scale, its realization is carried out after reverse receiving channel Baseband Receiver wave filter.Passive
The signal intensity of tag reflection signal is primarily referred to as in radio-frequency recognition system read write line.By RSSI indicate produce telemetry because
Realized by less hardware device, so being a kind of cheap ranging technology.
In addition, in step S8In, the electronic tag for receiving response instruction exits flow and not implied that and receives the sound
The electronic tag that should be instructed is invalid or unqualified, and the electronic tag for referring to receive response instruction is qualified or effective
, the electronic tag that can receive response instruction to this during follow-up is written and read function, and " exiting flow " is
It has been qualified electronic tag to refer to the electronic tag for receiving response instruction, subsequently without carrying out uniformity inspection to it again
Survey, can directly be written and read function to it.
In step S9In, the electronic tag that rejecting receives response instruction refers to receiving the electronics that the response is instructed
Label has clearly been underproof or invalid, in subsequent process, and it can not be used, i.e., can not be written and read function to it,
Then need to be rejected.
In step S4In, there are two kinds of manifestation modes, the first performance side for confirming that exception occurs in the parameter of communication number
Formula is that the parameter is transmitted to the mistake of the read write line in the electronic tag that the random number by selecting is the minimum value in the preset range
Occurs exception in journey, for example, selected electronic tag there are ten, wherein the random number for there are two electronic tags selections is this
Minimum value in preset range, the two electronic tags, which send one, is used for the parameter for confirming communication number to read write line, and
The transmission channel same time between electronic tag and read write line can only transmit a parameter, so being sent in the two electronic tags
Parameter simultaneous transmission to read write line during, it will cause parameter to occur in transmitting procedure abnormal.
There is exception for the content of the parameter in second of manifestation mode, and for example the parameter can be successfully random by what is selected
Number is transmitted to the read write line for the electronic tag of the minimum value in the preset range, and then the read write line is solved to the parameter
Analysis, judges whether the content of the parameter meets advance setting requirements, represents that the parameter is normal if meeting, the table if not meeting
Show the abnormal parameters.
It is preferred that in step S11Comprise the following steps afterwards：
S1', the read write line send the selected instruction of an identification information comprising a chosen electronic tag；
S2', the read write line send this and take inventory instruction, the chosen electronic tag sends the parameter to the read write line；
S3', the read write line send the response instruction comprising the parameter to the chosen electronic tag；
S4', the chosen electronic tag send the parameter to the read write line；
S5', the read write line write operation is carried out to the chosen electronic tag.
Encapsulate manufacturer produce electronic tag when, for convenience and save cost on consideration there is provided the label to client
Label spacing it is very small, the work of the data initialization of the terminal client of this electron label brings challenges, because tag distances
So near, read write line is easy to dislocation write-in data.By this programme, read write line first selectes specific an electronic tag, example
Such as electronic tag A, then the random number of chosen electronic tag A transmissions parameter such as 16 is to read write line, next read write line
Response of the transmission comprising the parameter is instructed to chosen electronic tag A, the electronic tag A being then selected sends identical again
The parameter to read write line, mapping uniquely determined pass is just set up between such read write line and chosen electronic tag A
System, read write line is implemented with the write operation to chosen electronic tag A.This programme can effectively prevent from writing by mistake, example
The content that electronic tag A should such as be write is write into electronic tag B by mistake.
It is preferred that those selected electronic tags include a groove counter, this, which is taken inventory, includes groove counter in instruction
Parameter Q, then the preset range be [0,2^Q-1]；
In step S3In, the random number of each selected electronic tag selection loads the selected electronic tag
In groove counter.
It is preferred that in step S5In, the random number of selection is the state of the electronic tag of the minimum value in the preset range
Response status are converted into, while sending the parameter to the read write line.
It is preferred that in step S6In, the electronic tag in response status is received after response instruction, is sent out to read write line
The radiofrequency signal for including identification information is sent, and acknowledgement state is converted to by response status.
It is preferred that the electronic tag is RFID and the identification information is EPC (product electronic code).
The present invention also provides a kind of electronic tag detecting system, and its feature is, it includes a read write line and multiple with being somebody's turn to do
Read write line carries out the electronic tag of information exchange；
The read write line is used to send a selected instruction for being used to select electronic tag, in the aerial radiation scope of the read write line
Interior all electronic tags are selected；
The read write line is used for transmission one and takes inventory instruction, and those selected electronic tags receive this and take inventory instruction；
Those selected electronic tags are used to select random number in a preset range；
The confirmation that is used for that electronic tag is sent that the read write line is used to receive in those selected electronic tags communicates
The parameter of numbering, and judge whether the parameter is abnormal, if then those selected electronic tags are again in the preset range
Random number is selected, if otherwise the read write line is used to send out the random number of selection for the electronic tag of the minimum value in the preset range
The parameter sent is responded in instruction and sent added to one；
Receiving the electronic tag of response instruction is used to send the radiofrequency signal comprising identification information to the read write line, the reading
Write the RSSI that device is used to calculate the electronic tag for receiving response instruction according to the radiofrequency signal；
The read write line is used to judge RSSI whether in a setting range, if then receiving the electronics mark of response instruction
Label automatically exit from flow, if otherwise the read write line is used to reject the electronic tag for receiving response instruction；
The read write line is used for judging whether there remains electronic tag in those selected electronic tags, if the then read-write
Device, which sends adjust instruction, makes remaining electronic tag depreciation, until the random number that there is electronic tag in remaining electronic tag is
Zero value, and the read write line receives the parameter that the electronic tag in excess electron label sends and judges the parameter again
It is whether abnormal, if otherwise terminating.
It is preferred that the read write line is used for the selected instruction for sending an identification information comprising a chosen electronic tag；
The read write line is additionally operable to transmission, and this takes inventory instruction, and the chosen electronic tag sends the parameter to the read write line；
The read write line is additionally operable to send the response instruction comprising the parameter to the chosen electronic tag；
The chosen electronic tag is used to send the parameter to the read write line；
The read write line is additionally operable to carry out write operation to the chosen electronic tag.
It is preferred that those selected electronic tags include a groove counter, this, which is taken inventory, includes groove counter in instruction
Parameter Q, then the preset range is [0,2^Q-1], and the random number of each selected electronic tag selection loads the quilt
In the groove counter for the electronic tag chosen.
It is preferred that the electronic tag is RFID and the identification information is EPC.
On the basis of common sense in the field is met, above-mentioned each optimum condition can be combined, and produce each preferable reality of the present invention
Example.
The positive effect of the present invention is：
The electronic label detecting method and system of the present invention, carries out numerical quantization using received signal strength indicator, passes through
REID, to electronic tag batch detection its consistency.
Brief description of the drawings
Fig. 1 is the flow chart of the electronic label detecting method of embodiments of the invention 1.
Fig. 2 is the flow chart of the electronic label detecting method of embodiments of the invention 2.
Embodiment
The present invention is further illustrated below by the mode of embodiment, but does not therefore limit the present invention to described reality
Apply among a scope.
Embodiment 1
The present embodiment provides a kind of electronic label detecting method, and wherein electronic tag is RFID, each electricity
Subtab includes a groove counter, it is assumed that one takes inventory the parameter Q for including groove counter in instruction, then preset range is [0,2^
Q-1]。
With reference to shown in Fig. 1, the electronic label detecting method comprises the following steps：
Step 101, a read write line send a selected instruction for being used to select electronic tag, in the aerial radiation of the read write line
In the range of all electronic tags be selected；
Step 102, the read write line send this and take inventory instruction, and those selected electronic tags receive this and take inventory instruction；
Step 103, those selected electronic tags select a random number in the preset range, each selected
The random number of electronic tag selection is fitted into the groove counter of the selected electronic tag；
Electronic tag in step 104, those selected electronic tags is sent for confirming that communication is compiled to the read write line
Number parameter, the read write line receives the parameter that the electronic tag in those selected electronic tags is sent, and judges the ginseng
Whether number is abnormal, if then repeat step 103, if otherwise entering step 105；
Step 105, the random number of selection for the electronic tag of the minimum value in the preset range State Transferring into response
The random number of selection is added to by state, the read write line for the parameter that the electronic tag of the minimum value in the preset range is sent
One responds in instruction and sends；
Step 106, the electronic tag in response status are received after response instruction, are sent to read write line and are included EPC
Radiofrequency signal, and by response status be converted to the acknowledgement state read write line and calculated according to the radiofrequency signal and receive the response and refer to
The RSSI of the electronic tag of order；
Step 107, the read write line judge RSSI whether in a setting range, if then entering step 108, if otherwise entering
Enter step 109；
Step 108, receive the response instruction electronic tag exit flow；
Step 109, rejecting receive the electronic tag of response instruction；
Step 110, judge whether there remains electronic tag in those selected electronic tags, if then entering step
111, if otherwise terminating flow；
Step 111, the read write line, which send adjust instruction, makes remaining electronic tag depreciation, until in remaining electronic tag
There is the random number of electronic tag for zero value, and repeat step 104.
The present embodiment also provides a kind of electronic tag detecting system, and it includes a read write line and the multiple and read write line is carried out
The electronic tag of information exchange, electronic tag is RFID, and each electronic tag includes a groove counter, it is assumed that
One takes inventory the parameter Q for including groove counter in instruction, then preset range is [0,2^Q-1].
The read write line is used to send a selected instruction for being used to select electronic tag, in the aerial radiation scope of the read write line
Interior all electronic tags are selected；
The read write line is used for transmission one and takes inventory instruction, and those selected electronic tags receive this and take inventory instruction；
Those selected electronic tags are used to select random number, and each selected electronics in a preset range
The random number of label selection is fitted into the groove counter of the selected electronic tag；
The confirmation that is used for that electronic tag is sent that the read write line is used to receive in those selected electronic tags communicates
The parameter of numbering, and judge whether the parameter is abnormal, if then those selected electronic tags are again in the preset range
Random number is selected, if otherwise the read write line is used to send out the random number of selection for the electronic tag of the minimum value in the preset range
The parameter sent is responded in instruction and sent added to one；
Receiving the electronic tag of response instruction is used to send the radiofrequency signal comprising EPC to the read write line, the read write line
RSSI for calculating the electronic tag for receiving response instruction according to the radiofrequency signal；
The read write line is used to judge RSSI whether in a setting range, if then receiving the electronics mark of response instruction
Label automatically exit from flow, if otherwise the read write line is used to reject the electronic tag for receiving response instruction；
The read write line is used for judging whether there remains electronic tag in those selected electronic tags, if the then read-write
Device, which sends adjust instruction, makes remaining electronic tag depreciation, until the random number that there is electronic tag in remaining electronic tag is
Zero value, and the read write line receives the parameter that the electronic tag in excess electron label sends and judges the parameter again
It is whether abnormal, if otherwise terminating.
Name a specific example to illustrate the present invention, so that those skilled in the art better understood when
Technical scheme：
Read write line sends a selected instruction for being used to select electronic tag, the institute in the range of the aerial radiation of the read write line
There is electronic tag to be selected, i.e. electronic tag A (Serial No. 0,000 0,000 0,000 0001), electronic tag B (sequence numbers
For 0,000 0,000 0,000 0002) and electronic tag C (Serial No. 0,000 0,000 0,000 0003) is selected.
The read write line sends this and takes inventory instruction, and so-called to take inventory instruction be exactly instruction one Card Reader cycle of startup, in the Card Reader
The electronic tag read in cycle, which exits the Card Reader cycle, to be read again, electronic tag A, electronic tag B and electronics
Label C receives this and takes inventory instruction, it is assumed that Q=2, then preset range is [0,3].Electronic tag A, electronic tag B and electronics
Label C one random number of selection in preset range [0,3], it is assumed that the random number of electronic tag A selections is 0, electronic tag B
The random number of selection is 1, and the random number of electronic tag C selections is 0.
The random number of selection is that electronic tag A and electronic tag C is sent out to the read write line simultaneously for the electronic tag of zero value
A RN16 (random numbers of 16) for being used to confirm communication number is sent, and the transmission channel between electronic tag and read write line is same
Time can only transmit a parameter, so mistake of the RN16 simultaneous transmissions sent in electronic tag A and electronic tag C to read write line
Cheng Zhong, it will cause RN16 to occur in transmitting procedure abnormal, i.e., the RN16 that the read write line is received is the parameter of an exception.
Electronic tag A, electronic tag B and electronic tag C reselect a random number in preset range [0,3],
Assuming that the random number of electronic tag A selections is 0, the random number of electronic tag B selections is 1, and the random number of electronic tag C selections is
3.The random number of selection is electronic tag A for the electronic tag of zero value sends a RN16 (16 random to the read write line
Number), the read write line receives the RN16 that electronic tag A is sent, and judges whether the RN16 received is abnormal, determines whether out
The RN16 that receives is normal, then the random number selected for the electronic tag A of zero value State Transferring into response status, the read-write
RN16 is responded in instruction and sent to electronic tag A, the electronic tag A in response status added to one by device receives the sound
After should instructing, the radiofrequency signal of the sequence number comprising electronic tag A is sent to read write line, and electronic tag A is by response status
Acknowledgement state is converted to, the RSSI that the read write line calculates electronic tag A according to the radiofrequency signal is -37dm.The read write line is sentenced
Subtab A RSSI is powered off whether in a setting range (- 45dm, -35dm), judges that electronic tag A RSSI is set at this
Determine in scope, then electronic tag A exits flow.
Judge to there remains electronic tag B and electronic tag C in those selected electronic tags, the read write line, which is sent, to be adjusted
Whole instruction makes remaining electronic tag depreciation, i.e. electronic tag B random number be 0, and electronic tag C random number is 2, random number
RN16 is sent to the read write line for the electronic tag B of zero value, the read write line receives the RN16 that electronic tag B is sent, gone forward side by side
One step judges whether the RN16 that electronic tag B is sent is abnormal, and detailed process and electronic tag A handling process are essentially identical,
Here just repeat no more.
Embodiment 2
Encapsulate manufacturer produce electronic tag when, for convenience and save cost on consideration there is provided the label to client
Label spacing it is very small, the work of the data initialization of the terminal client of this electron label brings challenges, because tag distances
So near, read write line is easy to dislocation write-in data.The electronic label detecting method that the present embodiment is provided can be prevented effectively
Write by mistake, idiographic flow is shown in Fig. 2：
Step 201, the read write line send the selected instruction of an EPC comprising a chosen electronic tag；
Step 202, the read write line send this and take inventory instruction, and the chosen electronic tag sends the parameter to the read-write
Device；
Step 203, the read write line send the response instruction comprising the parameter to the chosen electronic tag；
Step 204, the chosen electronic tag send the parameter to the read write line；
Step 205, the read write line carry out write operation to the chosen electronic tag.
The present embodiment also provides a kind of electronic tag detecting system, and the read write line is used for transmission one and includes a chosen electricity
The EPC of subtab selected instruction；
The read write line is additionally operable to transmission, and this takes inventory instruction, and the chosen electronic tag sends the parameter to the read write line；
The read write line is additionally operable to send the response instruction comprising the parameter to the chosen electronic tag；
The chosen electronic tag is used to send the parameter to the read write line；
The read write line is additionally operable to carry out write operation to the chosen electronic tag.
The electronic label detecting method and system of the present invention, carries out numerical quantization using received signal strength indicator, passes through
REID, to electronic tag batch detection its consistency.
Although the foregoing describing the embodiment of the present invention, it will be appreciated by those of skill in the art that these
It is merely illustrative of, protection scope of the present invention is defined by the appended claims.Those skilled in the art is not carrying on the back
On the premise of principle and essence from the present invention, various changes or modifications can be made to these embodiments, but these are changed
Protection scope of the present invention is each fallen within modification.
Claims (10)
1. a kind of electronic label detecting method, it is characterised in that it comprises the following steps：
S1, a read write line sends one is used to select the selected instruction of electronic tag, the institute in the range of the aerial radiation of the read write line
There is electronic tag to be selected；
S2, the read write line send and one take inventory instruction, those selected electronic tags receive this and take inventory instruction；
S3, those selected electronic tags a random number is selected in a preset range；
S4, being used for of sending of the electronic tag that receives in those selected electronic tags of the read write line confirm communication number
Parameter, and judge whether the parameter is abnormal, if then repeat step S3If otherwise entering step S5；
S5, the read write line adds the parameter that sends of electronic tag that the random number of selection is minimum value in the preset range
Respond in instruction and send to one；
S6, the electronic tag that receives response instruction send the radiofrequency signal comprising identification information to the read write line, the read write line root
The RSSI for the electronic tag for receiving response instruction is calculated according to the radiofrequency signal；
S7, the read write line judge RSSI whether in a setting range, if then enter step S8If otherwise entering step S9；
S8, receive the response instruction electronic tag exit flow；
S9, reject receive the response instruction electronic tag；
S10, judge whether there remains electronic tag in those selected electronic tags, if then enter step S11If otherwise tying
Line journey；
S11, the read write line send adjust instruction make remaining electronic tag depreciation, until remaining electronic tag in there is electronics
The random number of label is zero value, and repeat step S4。
2. electronic label detecting method as claimed in claim 1, it is characterised in that in step S11Comprise the following steps afterwards：
S1', the read write line send the selected instruction of an identification information comprising a chosen electronic tag；
S2', the read write line send this and take inventory instruction, the chosen electronic tag sends the parameter to the read write line；
S3', the read write line send the response instruction comprising the parameter to the chosen electronic tag；
S4', the chosen electronic tag send the parameter to the read write line；
S5', the read write line write operation is carried out to the chosen electronic tag.
3. electronic label detecting method as claimed in claim 1, it is characterised in that those selected electronic tags include
One groove counter, this takes inventory the parameter Q for including groove counter in instruction, then the preset range is [0,2^Q-1]；
In step S3In, the random number of each selected electronic tag selection loads the groove meter of the selected electronic tag
In number device.
4. electronic label detecting method as claimed in claim 1, it is characterised in that in step S5In, the random number of selection is should
The State Transferring of the electronic tag of minimum value in preset range is into response status, while sending the parameter to the read write line.
5. electronic label detecting method as claimed in claim 4, it is characterised in that in step S6In, the electricity in response status
Subtab is received after response instruction, the radiofrequency signal for including the identification information is sent to read write line, and turned by response status
It is changed to acknowledgement state.
6. electronic label detecting method as claimed in claim 1, it is characterised in that the electronic tag be RFID and
The identification information is EPC.
7. a kind of electronic tag detecting system, it is characterised in that it includes a read write line and the multiple and read write line enters row information
Interactive electronic tag；
The read write line is used to send a selected instruction for being used to select electronic tag, in the range of the aerial radiation of the read write line
All electronic tags are selected；
The read write line is used for transmission one and takes inventory instruction, and those selected electronic tags receive this and take inventory instruction；
Those selected electronic tags are used to select random number in a preset range；
What the electronic tag that the read write line is used to receiving in those selected electronic tags was sent is used to confirm communication number
Parameter, and judge whether the parameter abnormal, if then those selected electronic tags are selected in the preset range again
Random number, if the electronic tag that otherwise read write line is used for by the random number of selection for the minimum value in the preset range is sent
Parameter added to one response instruction in and send；
Receiving the electronic tag of response instruction is used to send the radiofrequency signal comprising identification information to the read write line, the read write line
RSSI for calculating the electronic tag for receiving response instruction according to the radiofrequency signal；
The read write line is used to judge RSSI whether in a setting range, if then receiving the electronic tag of response instruction certainly
It is dynamic to exit flow, if otherwise the read write line is used to reject the electronic tag for receiving response instruction；
The read write line is used for judging whether there remains electronic tag in those selected electronic tags, if then the read write line is sent out
Adjust instruction is sent to make remaining electronic tag depreciation, until the random number that there is electronic tag in remaining electronic tag is zero number
Value, and the read write line receives the parameter that the electronic tag in excess electron label sends and whether judges the parameter again
It is abnormal, if otherwise terminating.
8. electronic tag detecting system as claimed in claim 7, it is characterised in that the read write line is used for transmission one and includes a quilt
The selected instruction of the identification information of selected electronic tag；
The read write line is additionally operable to transmission, and this takes inventory instruction, and the chosen electronic tag sends the parameter to the read write line；
The read write line is additionally operable to send the response instruction comprising the parameter to the chosen electronic tag；
The chosen electronic tag is used to send the parameter to the read write line；
The read write line is additionally operable to carry out write operation to the chosen electronic tag.
9. electronic tag detecting system as claimed in claim 7, it is characterised in that those selected electronic tags include
One groove counter, this take inventory instruction in include groove counter parameter Q, then the preset range be [0,2^Q-1], and it is each be chosen
In electronic tag selection random number be fitted into the groove counter of the selected electronic tag.
10. electronic tag detecting system as claimed in claim 7, it is characterised in that the electronic tag is RFID
It is EPC with the identification information.
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|---|---|---|---|
| CN201410268223.6A CN104091184B (en) | 2014-06-16 | 2014-06-16 | Electronic label detecting method and system |
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| CN201410268223.6A CN104091184B (en) | 2014-06-16 | 2014-06-16 | Electronic label detecting method and system |
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| CN104091184A CN104091184A (en) | 2014-10-08 |
| CN104091184B true CN104091184B (en) | 2017-09-15 |
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| CN104899619B (en) * | 2015-05-05 | 2017-11-14 | 深圳嘉文虹科技有限公司 | The detection method of RFID label tag performance |
| CN107733472B (en) * | 2017-10-26 | 2021-07-23 | 江苏本能科技有限公司 | Radio frequency identification frequency point self-adaptive setting method and system and control device |
| CN108537081B (en) * | 2018-04-04 | 2021-09-28 | 顺丰科技有限公司 | Reading method of batch logistics labels and logistics label system |
| CN109472177B (en) * | 2018-11-06 | 2022-02-22 | 南京杰思微电子技术有限公司 | Inventory method capable of reading TID (terminal identification) number of electronic tag |
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