CN103559524B - RFID accurate locating device and using method thereof - Google Patents
RFID accurate locating device and using method thereof Download PDFInfo
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- CN103559524B CN103559524B CN201310579072.1A CN201310579072A CN103559524B CN 103559524 B CN103559524 B CN 103559524B CN 201310579072 A CN201310579072 A CN 201310579072A CN 103559524 B CN103559524 B CN 103559524B
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Abstract
The invention relates to the technical field of radio frequency identification (RFID), in particular to an RFID accurate locating device and a using method thereof. The RFID accurate locating device comprises an RFID label, a radio frequency antenna, a radio frequency reader and an upper computer, wherein the upper computer is connected with the radio frequency reader, the radio frequency reader is connected with the radio frequency antenna, and the RFID label is fixed on an article to be managed. The RFID accurate locating device is characterized by further being provided with a pressure sensor and a pressure signal processor. The signal output end of the pressure sensor is connected with the pressure signal processor, and the pressure signal processor is connected with the upper computer. Compared with the prior art, the RFID accurate locating device is simple and practical, accurate in location, high in locating speed and capable of greatly improving locating accuracy and locating efficiency.
Description
Technical field
The present invention relates to RF identification（RFID, Radio Frequency Identification）Technical field, tool
Say it is a kind of RFID accurate positioning devices and its using method body.
Background technology
With the continuous development of RFID (Radio Frequency Identification) technology, all trades and professions are again to passing
The RFID applications of system propose new demand.Object positioning as the technology frequently encountered in people's daily life, now
Gradually it has been fused in the application of RFID, the concrete application for frequently referring to includes：Taking care of books in library and positioning, archives
Bill managements used such as file administration and positioning and state administration mechanism of hospital of bank in shop etc..
Traditional RF identification location technology mainly passes through to build RFID wireless networks, using wireless signal strength with propagation
The characteristic that distance increases and decays, receives and compares the wireless signal strength of each label come the position to target labels with reader
Judged, the method mainly used has reception preset angle configuration, reception Time Method, reception time difference method and signal intensity method.Wherein,
Signal intensity method is the signal propagation attenuation model of prior construction environment, after measurement point detects signal, by correspondence model
The distance with signal emitting-source is determined with the intensity of this signal, the intersection point of the distance circle drawn via three measurement points can be certainly
Determine the position of signal emitting-source.But using existing these methods, alignment system needs multiple measurement points, equipment cost compared with
Height, the algorithm of judgement is complicated, and positioning time is long, and inaccurate for the multiple radio-frequency (RF) tag positioning within the scope of.
In addition, existing RFID positioners are only capable of completing the positioning under object current time, and cannot record
Article to be managed a certain period position motion track, thus when file occur transfer, adjustment when, user often cannot and
When find document.
The content of the invention
The present invention proposes a kind of simple, registration, positioning speed for shortcoming and defect present in prior art
Degree is fast, is greatly improved the RFID accurate positioning devices and its using method of positional accuracy and location efficiency.
The present invention can be reached by following measures：
A kind of RFID accurate positioning devices, including RFID tag, radio-frequency antenna, frequency read/write, host computer, wherein upper
Machine is connected with frequency read/write, and frequency read/write is connected with radio-frequency antenna, and RFID tag is fixed on article to be managed, its
It is characterised by being additionally provided with pressure transducer and pressure sensitivity signal processor, signal output part and the pressure sensitivity signal processing of pressure transducer
Device is connected, and pressure sensitivity signal processor is connected with host computer.
The present invention is provided with plural pressure transducer, plural pressure transducer respectively with pressure sensitivity signal processing
Device is connected, and microcontroller chip, address encoding circuit, pressure sensitivity signal processing circuit and and host computer are provided with pressure sensitivity signal processor
The telecommunication circuit being connected, wherein address encoding circuit, pressure sensitivity signal processing circuit and telecommunication circuit respectively with microcontroller chip
It is connected, address encoding circuit is used to arrange address to the plural pressure signal Acquisition Circuit for being provided with pressure transducer
Code, plural pressure transducer can be arranged on the devices such as file cabinet upside, produce when document is deposited for collection
Pressure signal.
The present invention is provided with plural RFID tag, it is preferred that the quantity of RFID tag and the quantity of pressure transducer
Unanimously, carry in RFID tag for the flag information of labelling article to be managed, the information Jing frequency read/write passes through radio frequency day
Line is stored in host computer after reading.
The present invention is provided with plural radio-frequency antenna, and plural radio-frequency antenna is connected respectively with frequency read/write
Connect, for completing the read-write to RFID tag, it is preferred that one group two-by-two of radio-frequency antenna in the present invention, complete to rack layer
The read-write of upper RFID tag, in the process, with two radio-frequency antennas of group the both sides of rack layer, and phase is separately fixed at
To transmitting radiofrequency signal, to realize the read-write to RFID tag between two radio-frequency antennas.
Frequency read/write of the present invention is provided with microcontroller chip, modulation circuit, power amplification circuit, match circuit, envelope detection
Circuit, demodulation circuit of intermediate frequency and compare decision circuit, wherein microcontroller chip is realized using ARM, microcontroller chip respectively with modulation
Circuit, compare decision circuit and be connected, the outfan of modulation circuit is connected with power amplification circuit, power amplification circuit output
The matched circuit of signal be connected with power distributing circuit, power distributing circuit radiofrequency signal will be equally assigned into two-way simultaneously all the way
Radio-frequency antenna is connected, and the input of envelope detection circuit is connected with radio-frequency antenna, and the outfan of envelope detection circuit is with
Frequency demodulator circuit is connected, and the outfan of demodulation circuit of intermediate frequency is connected with decision circuit is compared, for completing to RFID tag
Read-write；The antenna control switching circuit for controlling radio-frequency antenna switch operating is additionally provided with read write line of the present invention, antenna is cut
Change control circuit and select control circuit including microcontroller chip, communication interface, power distributing circuit, match circuit, radio frequency output, its
Middle microcontroller chip realizes that microcontroller chip selects control circuit to be connected with communication interface, radio frequency output respectively, leads to using ARM
The control signal that communication interface receives frequency read/write is crossed, and control electricity is selected according to the output of the Type Control radio frequency of control signal
The radio frequency output of respective antenna is opened on road, and power distributing circuit is connected with the radio frequency output of frequency read/write, radio frequency is read and write
The radiofrequency signal of device output is bisected into two parts, exports on antenna after match circuit.
The present invention is additionally provided with power circuit, is input into as AC220V civil powers, by carrying out voltage conversion, by system be input into it is logical
The voltage that RFID portion and pressure sensitivity part can use in system is converted to voltage, while can enter to the power circuit in system
Row protection.
Host computer of the present invention is provided with orientation management system and the data base for storing history comparison information, the positioning
Management system, is the core cell of whole system, is provided with data reception module, information comparison module, Information Access module, data
Display module and device control module, wherein be pressure sensitivity signal and FRID label information to the information of data reception module input,
Information comparison module compares this positional information for getting with the record in data base, and Information Access module is mainly real
Now to the storage and reading of data in data base, data disaply moudle can according to user's request by positioning result with more intuitively shape
Formula is shown that device control module initiates downwards RFID detection requests.
Heretofore described RFID tag, built-in microcontroller chip can store user data, and have unduplicated unique knowledge
Other code, can be recognized by frequency read/write, for distinguishing different objects undetermined, and whether can assist in identifying the object undetermined can
In positioning region.
A kind of using method of RFID accurate positioning devices as described above, it is characterised in that comprise the following steps：
Step 1：Each road pressure transducer is encoded by the address encoding circuit in pressure sensitivity signal processor, and will
Multichannel pressure transducer is arranged in different regions to be monitored, and above-mentioned configuration information is stored in into host computer；
Step 2：After system normally starts, pressure sensitivity signal processor starts the state for detecting each road pressure transducer, judges
The state of pressure transducer has unchanged, and next round detection is continued if the state of pressure transducer is not changed in, if pressure
The state of force transducer is changed, then go to step 3；
Step 3：Pressure sensitivity signal processor is by the pressure transducer state reporting for getting to host computer, and host computer storage is each
The status data of road pressure transducer；
Step 4：Host computer combines the set information stored in step 1 according to the status information of the pressure transducer for obtaining,
Obtain whether each area inner pressure signal to be monitored is changed, pair with can overburden pressure signal change it is to be monitored
The frequency read/write that the radio-frequency antenna in region is connected, sends RFID request commands, and by frequency read/write relevant position is driven
Antenna send RFID tag detection instruction, RFID tag receives sense command by radio-frequency (RF) magnetic field；
Step 5：RFID tag carries out response, the unique identifier of RFID tag is passed to into radio frequency by radio-frequency (RF) magnetic field and is read
Device is write, frequency read/write gets the unique identifier of RFID tag by the process to field signal；
Step 6：Frequency read/write is processed the unique identifier of the RFID tag of the diverse location for getting, will
FRID label information and corresponding aerial position numbering are combined into the data of one group of specific format；
Step 7：The data are reported host computer by frequency read/write, and data are carried out being sent into after preliminary treatment by host computer determines
Position management system is further compared；
Step 8：Host computer combines the pressure transducer of diverse location according to the FRID label information of the diverse location for obtaining
Status information is associated, stores, and compares with historical data, so as to the RFID tag position for judging what position there occurs
Change, and then the exact position of object to be monitored can be learnt and the change in location of the object is presented to into use by man machine interface
Family.
The present invention compared with prior art, with advantages below：
1. simple：Only pressure transducer need to be added in the system that existing rfid interrogator and antenna are constituted, i.e.,
Positioning can be realized to the object for posting radio-frequency (RF) tag, and system upgrade is convenient, and technology realizes that difficulty is low.
2. registration：Each needs have pressure transducer under the object for positioning, it is ensured that whether real-time monitoring object is deposited
Be not in the chaotic situation of positioning, while tension management system can store the positional information for detecting with data base
Information contrasted and processed, the positional information that collects can be filtered and verified to a certain extent, further carry
The high levels of precision of positioning.
3. locating speed is fast：Pressure transducer and rfid interrogator work simultaneously, do not prolong between the data acquisition of the two
Late, and by the microprocessor of two-forty operation, rapidly judgement and process can be made to the positional information for collecting.
Description of the drawings:
Accompanying drawing 1 is structural representation of the invention.
Accompanying drawing 2 is the structural representation of pressure sensitivity signal processor in the present invention.
Accompanying drawing 3 is the structural representation of frequency read/write in the present invention.
Reference：RFID tag 1, radio-frequency antenna 2, frequency read/write 3, host computer 4, pressure transducer 5, pressure sensitivity signal
Processor 6, microcontroller chip 7, address encoding circuit 8, pressure sensitivity signal processing circuit 9, telecommunication circuit 10, microcontroller chip 11, modulation
Circuit 12, power amplification circuit 13, match circuit 14, envelope detection circuit 15, demodulation circuit of intermediate frequency 16, compare decision circuit
17。
Specific embodiment：
With reference to the accompanying drawings and examples the present invention is further illustrated.
As shown in Figure 1, the present invention proposes a kind of RFID accurate positioning devices, including RFID tag 1, radio-frequency antenna 2,
Frequency read/write 3, host computer 4, wherein host computer 4 are connected with frequency read/write 3, and frequency read/write 3 is connected with radio-frequency antenna 2
Connect, RFID tag 1 is fixed on article to be managed, it is characterised in that be additionally provided with pressure transducer 5 and pressure sensitivity signal processor 6,
The signal output part of pressure transducer 5 is connected with pressure sensitivity signal processor 6, and pressure sensitivity signal processor 6 is connected with host computer 4
Connect.
As shown in Figure 2, the present invention is provided with plural pressure transducer 5, and plural pressure transducer 5 is distinguished
It is connected with pressure sensitivity signal processor 6, in pressure sensitivity signal processor 6 microcontroller chip 7, address encoding circuit 8, pressure sensitivity signal is provided with
Process circuit 9 and the telecommunication circuit 10 being connected with host computer 4, wherein address encoding circuit 8, pressure sensitivity signal processing circuit 9 with
And telecommunication circuit 10 is connected respectively with microcontroller chip 7, address encoding circuit 8 is used to be provided with pressure transducer to plural
5 pressure signal Acquisition Circuit arranges address code, and plural pressure transducer 5 can be arranged on the devices such as file cabinet
Side, for the pressure signal that collection is produced when document is deposited.
As shown in Figure 1, the present invention is provided with plural RFID tag 1, it is preferred that the quantity of RFID tag 1 and pressure
The quantity of force transducer 5 is consistent, carries for the flag information of labelling article to be managed in RFID tag 1, the information Jing radio frequency
Read write line 3 is stored in host computer 4 after the reading of radio-frequency antenna 2.
The present invention is provided with plural radio-frequency antenna 2, plural radio-frequency antenna 2 respectively with the phase of frequency read/write 3
Connection, for completing the read-write to RFID tag 1, it is preferred that one group two-by-two of radio-frequency antenna 2 in the present invention, completes to rack
The read-write of certain layer of upper RFID tag 1, in the process, with two radio-frequency antennas 2 of group the two of rack layer is separately fixed at
Side, and launch radiofrequency signal in opposite directions, to realize the read-write to RFID tag between two radio-frequency antennas 2.
As shown in Figure 3, frequency read/write of the present invention 3 is provided with microcontroller chip 11, modulation circuit 12, power amplification circuit
13rd, match circuit 14, envelope detection circuit 15, demodulation circuit of intermediate frequency 16 and decision circuit 17 is compared, wherein microcontroller chip 11
Realized using ARM, microcontroller chip 11 respectively with modulation circuit, compare decision circuit and be connected, the outfan of modulation circuit 12 with
Power amplification circuit 13 is connected, and the matched circuit 14 of signal of the output of power amplification circuit 13 is connected with radio-frequency antenna 2, wraps
The input of network detecting circuit 15 is connected with radio-frequency antenna 2, outfan and the demodulation circuit of intermediate frequency 16 of envelope detection circuit 15
It is connected, the outfan of demodulation circuit of intermediate frequency 16 is connected with decision circuit 17 is compared, for completing the reading to RFID tag 2
Write；The antenna control switching circuit for controlling radio-frequency antenna switch operating is additionally provided with read write line of the present invention 3.
The present invention is additionally provided with power circuit, is input into as AC220V civil powers, by carrying out voltage conversion, by system be input into it is logical
The voltage that RFID portion and pressure sensitivity part can use in system is converted to voltage, while can enter to the power circuit in system
Row protection.
Host computer of the present invention is provided with orientation management system and the data base for storing history comparison information, the positioning
Management system, is the core cell of whole system, is provided with data reception module, information comparison module, Information Access module, data
Display module and device control module, wherein be pressure sensitivity signal and FRID label information to the information of data reception module input,
Information comparison module compares this positional information for getting with the record in data base, and Information Access module is mainly real
Now to the storage and reading of data in data base, data disaply moudle can according to user's request by positioning result with more intuitively shape
Formula is shown that device control module initiates downwards RFID detection requests.
Heretofore described RFID tag, built-in microcontroller chip can store user data, and have unduplicated unique knowledge
Other code, can be recognized by frequency read/write, for distinguishing different objects undetermined, and whether can assist in identifying the object undetermined can
In positioning region.
A kind of using method of RFID accurate positioning devices as described above, it is characterised in that comprise the following steps：
Step 1：Each road pressure transducer is encoded by the address encoding circuit in pressure sensitivity signal processor, and will
Multichannel pressure transducer is arranged in different regions to be monitored, and above-mentioned configuration information is stored in into host computer；
Step 2：After system normally starts, pressure sensitivity signal processor starts the state for detecting each road pressure transducer, judges
The state of pressure transducer has unchanged, and next round detection is continued if the state of pressure transducer is not changed in, if pressure
The state of force transducer is changed, then go to step 3；
Step 3：Pressure sensitivity signal processor is by the pressure transducer state reporting for getting to host computer, and host computer storage is each
The status data of road pressure transducer；
Step 4：Host computer combines the set information stored in step 1 according to the status information of the pressure transducer for obtaining,
Obtain whether each area inner pressure signal to be monitored is changed, pair with can overburden pressure signal change it is to be monitored
The frequency read/write that the radio-frequency antenna in region is connected, sends RFID request commands, and by frequency read/write relevant position is driven
Antenna send RFID tag detection instruction, RFID tag receives sense command by radio-frequency (RF) magnetic field；
Step 5：RFID tag carries out response, the unique identifier of RFID tag is passed to into radio frequency by radio-frequency (RF) magnetic field and is read
Device is write, frequency read/write gets the unique identifier of RFID tag by the process to field signal；
Step 6：Frequency read/write is processed the unique identifier of the RFID tag of the diverse location for getting, will
FRID label information and corresponding aerial position numbering are combined into the data of one group of specific format；
Step 7：The data are reported host computer by frequency read/write, and data are carried out being sent into after preliminary treatment by host computer determines
Position management system is further compared；
Step 8：Host computer combines the pressure transducer of diverse location according to the FRID label information of the diverse location for obtaining
Status information is associated, stores, and compares with historical data, so as to the RFID tag position for judging what position there occurs
Change, and then the exact position of object to be monitored can be learnt and the change in location of the object is presented to into use by man machine interface
Family.
The present invention compared with prior art, with advantages below：
1. simple：Only pressure transducer need to be added in the system that existing rfid interrogator and antenna are constituted, i.e.,
Positioning can be realized to the object for posting radio-frequency (RF) tag, and system upgrade is convenient, and technology realizes that difficulty is low.
2. registration：Each needs have pressure transducer under the object for positioning, it is ensured that whether real-time monitoring object is deposited
Be not in the chaotic situation of positioning, while tension management system can store the positional information for detecting with data base
Information contrasted and processed, the positional information that collects can be filtered and verified to a certain extent, further carry
The high levels of precision of positioning.
3. locating speed is fast：Pressure transducer and rfid interrogator work simultaneously, do not prolong between the data acquisition of the two
Late, and by the microprocessor of two-forty operation, rapidly judgement and process can be made to the positional information for collecting.
Claims (1)
1. a kind of using method of RFID accurate positioning devices, wherein RFID accurate positioning devices include RFID tag, radio frequency day
Line, frequency read/write, host computer, wherein host computer are connected with frequency read/write, and frequency read/write is connected with radio-frequency antenna,
RFID tag is fixed on article to be managed, is additionally provided with pressure transducer and pressure sensitivity signal processor, the signal of pressure transducer
Outfan is connected with pressure sensitivity signal processor, and pressure sensitivity signal processor is connected with host computer；It is provided with plural pressure
Sensor, plural pressure transducer is connected respectively with pressure sensitivity signal processor, is provided with micro- in pressure sensitivity signal processor
Control chip, address encoding circuit, pressure sensitivity signal processing circuit and the telecommunication circuit being connected with host computer, wherein geocoding electricity
Road, pressure sensitivity signal processing circuit and telecommunication circuit are connected respectively with microcontroller chip, address encoding circuit be used for two with
On be provided with pressure transducer pressure signal Acquisition Circuit arrange address code；It is provided with plural RFID tag, and RFID
The quantity of label is consistent with the quantity of pressure transducer；Plural radio-frequency antenna is connected respectively with frequency read/write；Penetrate
Frequency read write line is provided with microcontroller chip, modulation circuit, power amplification circuit, match circuit, envelope detection circuit, demodulation circuit of intermediate frequency
And compare decision circuit, wherein microcontroller chip is realized using ARM, microcontroller chip respectively with modulation circuit, compare decision circuit
It is connected, the outfan of modulation circuit is connected with power amplification circuit, the matched circuit of signal of power amplification circuit output
It is connected with power distributing circuit, power distributing circuit will all the way radiofrequency signal be equally assigned into two-way and radio-frequency antenna is connected,
The input of envelope detection circuit is connected with radio-frequency antenna, and the outfan of envelope detection circuit is connected with demodulation circuit of intermediate frequency
Connect, the outfan of demodulation circuit of intermediate frequency is connected with decision circuit is compared, for completing the read-write to RFID tag；Radio frequency is read and write
The antenna control switching circuit for controlling radio-frequency antenna switch operating is additionally provided with device, antenna control switching circuit includes micro-control
Chip, communication interface, power distributing circuit, match circuit, radio frequency output select control circuit, wherein microcontroller chip to adopt
ARM realizes that microcontroller chip selects control circuit to be connected with communication interface, radio frequency output respectively, receives by communication interface and penetrates
The control signal of frequency read write line, and selection control circuit opening respective antenna is exported according to the Type Control radio frequency of control signal
Radio frequency is exported, and power distributing circuit is connected with the radio frequency output of frequency read/write, exports on antenna after match circuit；
Host computer is provided with orientation management system and the data base for storing history comparison information, the orientation management system, is whole
The core cell of individual system, is provided with data reception module, information comparison module, Information Access module, data disaply moudle and sets
Standby control module, wherein being pressure sensitivity signal and FRID label information, information comparison module to the information of data reception module input
This positional information for getting is compared with the record in data base, Information Access module is realized to data in data base
Storage and reading, data disaply moudle can be shown positioning result in more intuitively form according to user's request, equipment
Control module initiates downwards RFID detection requests；
The using method of the RFID accurate positioning devices, it is characterised in that comprise the following steps：
Step 1：Each road pressure transducer is encoded by the address encoding circuit in pressure sensitivity signal processor, and by multichannel
Pressure transducer is arranged in different regions to be monitored, the encoding setting information of above-mentioned each road pressure transducer is stored in upper
Machine；
Step 2：After system normally starts, pressure sensitivity signal processor starts the state for detecting each road pressure transducer, judges pressure
The state of sensor has unchanged, and next round detection is continued if the state of pressure transducer is not changed in, if pressure is passed
The state of sensor is changed, then go to step 3；
Step 3：By the pressure transducer state reporting for getting to host computer, host computer stores each road pressure to pressure sensitivity signal processor
The status data of force transducer；
Step 4：Host computer combines the set information stored in step 1 according to the status information of the pressure transducer for obtaining, and obtains
Whether each area inner pressure signal to be monitored is changed, pair with being capable of the region to be monitored that changes of overburden pressure signal
The frequency read/write that is connected of radio-frequency antenna, send RFID request commands, the day of relevant position is driven by frequency read/write
Line sends RFID tag detection instruction, and RFID tag receives sense command by radio-frequency (RF) magnetic field；
Step 5：RFID tag carries out response, and the unique identifier of RFID tag is passed to into radio frequency read-write by radio-frequency (RF) magnetic field
Device, frequency read/write gets the unique identifier of RFID tag by the process to field signal；
Step 6：Frequency read/write is processed the unique identifier of the RFID tag of the diverse location for getting, and RFID is marked
Label information and corresponding aerial position numbering are combined into the data of one group of specific format；
Step 7：The data are reported host computer by frequency read/write, and host computer carries out data to send into positioning pipe after preliminary treatment
Reason system is further compared；
Step 8：Host computer combines the pressure transducer state of diverse location according to the FRID label information of the diverse location for obtaining
Information is associated, stores, and compares with historical data, so as to the RFID tag position for judging what position there occurs change
Change, and then the exact position of object to be monitored can be learnt and the change in location of the object is presented to into user by man machine interface.
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| CN201310579072.1A CN103559524B (en) | 2013-11-19 | 2013-11-19 | RFID accurate locating device and using method thereof |
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Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103927567A (en) * | 2014-04-17 | 2014-07-16 | 德讯科技股份有限公司 | System for realizing low-frequency multi-RFID label positioning |
| CN104850876A (en) * | 2015-05-08 | 2015-08-19 | 复旦大学 | Cryogenic vial positioning management system and method |
| CN106295090B (en) * | 2015-05-11 | 2021-03-05 | 青岛海尔智能技术研发有限公司 | Method and device for positioning wine in wine cabinet and wine cabinet |
| DE102015009319A1 (en) * | 2015-07-17 | 2017-01-19 | Saurer Germany Gmbh & Co. Kg | Transport system for spinning cops and method for operating the transport system |
| CN105389669B (en) * | 2015-12-08 | 2024-01-19 | 浙江汉脑数码科技有限公司 | NFC industrial information source data central processing system |
| CN106903706A (en) * | 2017-03-13 | 2017-06-30 | 广东工业大学 | A kind of workbench article clearing system and method |
| CN107677225A (en) * | 2017-09-26 | 2018-02-09 | 中冶南方工程技术有限公司 | Thin oil sealing gas cabinet cabinet holds computational methods |
| CN110781695A (en) * | 2018-07-30 | 2020-02-11 | 南京溯源信息技术有限公司 | Implementation method of high-frequency reader-writer with address code |
| JP7155879B2 (en) * | 2018-10-30 | 2022-10-19 | オムロン株式会社 | Reader/Writer, Reader/Writer Control Method, and Program |
| CN111356226A (en) * | 2018-12-24 | 2020-06-30 | 中兴通讯股份有限公司 | Method and device for positioning and electronic equipment |
| CN110971265A (en) | 2019-11-18 | 2020-04-07 | 捷开通讯(深圳)有限公司 | Radio frequency circuit, terminal equipment and signal transmitting method |
| CN112162636A (en) * | 2020-09-28 | 2021-01-01 | 浙江中控技术股份有限公司 | Equipment management system and method based on augmented reality and ultrahigh frequency read-write RFID technology |
| CN113988233A (en) * | 2021-10-28 | 2022-01-28 | 武汉华宇云创智能技术有限公司 | System and method for transmitting sensor information by chip-level integrated radio frequency |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7493336B2 (en) * | 2003-07-22 | 2009-02-17 | International Business Machines Corporation | System and method of updating planogram information using RFID tags and personal shopping device |
| CN101034027A (en) * | 2007-04-13 | 2007-09-12 | 苏州工业园区新大诚科技发展有限公司 | Intelligent pressure sensor |
| EP2182321A1 (en) * | 2008-11-03 | 2010-05-05 | Albis Technologies AG | Method and system for floor-sensitive localisation of RFID tags |
| CN201828939U (en) * | 2010-07-19 | 2011-05-11 | 北京物资学院 | Smart shelf system for logistics picking operation |
| CN202585745U (en) * | 2012-05-21 | 2012-12-05 | 深圳市模块科技有限公司 | Radio frequency identification (RFID) antenna |
| CN202939627U (en) * | 2012-10-30 | 2013-05-15 | 上海阿法迪智能标签***技术有限公司 | High frequency RFID reader-writer expansion adapter |
| CN204143467U (en) * | 2013-11-19 | 2015-02-04 | 威海北洋电气集团股份有限公司 | RFID accurate positioning device |
-
2013
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