WO2021034217A1 - Способ увеличения радиуса считывания rfid метки и устройство для его осуществления - Google Patents
Способ увеличения радиуса считывания rfid метки и устройство для его осуществления Download PDFInfo
- Publication number
- WO2021034217A1 WO2021034217A1 PCT/RU2020/000214 RU2020000214W WO2021034217A1 WO 2021034217 A1 WO2021034217 A1 WO 2021034217A1 RU 2020000214 W RU2020000214 W RU 2020000214W WO 2021034217 A1 WO2021034217 A1 WO 2021034217A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- rfid tag
- capsule
- scanning device
- rfid
- reading
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000001965 increasing effect Effects 0.000 title claims abstract description 12
- 239000002775 capsule Substances 0.000 claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 229920001871 amorphous plastic Polymers 0.000 claims abstract description 6
- 239000003989 dielectric material Substances 0.000 claims description 3
- 230000005672 electromagnetic field Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 7
- 230000004044 response Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000002482 conductive additive Substances 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
- G06K19/07773—Antenna details
- G06K19/07794—Antenna details the record carrier comprising a booster or auxiliary antenna in addition to the antenna connected directly to the integrated circuit
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10366—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves the interrogation device being adapted for miscellaneous applications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
- G08B13/24—Electrical actuation by interference with electromagnetic field distribution
- G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
- G08B13/2428—Tag details
- G08B13/2437—Tag layered structure, processes for making layered tags
- G08B13/2442—Tag materials and material properties thereof, e.g. magnetic material details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
Definitions
- the invention relates to the production and use of radio frequency identification tags (RFID-Radio Frequency IDentiflcation), on which information is recorded and stored for subsequent reading
- RFID tags are widely used in various industries, in particular, for marking goods during transportation, in the automation of production processes, in logistics, payment systems, personnel identification, security systems, medicine, trade and other fields.
- RFID tags are classified according to the following criteria:
- the LF band has problems with reading at long distances and problems associated with the appearance of collisions
- tags contain a unique identifier and a block of write-once memory that can be read many times
- tags contain an identifier and a block of memory for reading and writing information
- data can be rewritten many times
- the present invention is intended to increase the reading radius of RFID tags, in particular passive tags that do not have their own autonomous source and operate using the energy of the scanning electromagnetic field.
- RFID tag consists of an electronic unit with a memory in the form of an electronic circuit for storing and processing information and a built-in antenna for receiving and transmitting a signal.
- the tags work in conjunction with scanning devices that generate continuous electromagnetic waves at a specific frequency.
- the tag is attached to items or objects that are subject to accounting or tracking, and can be read by the scanning device in the reading area, the radius of which can reach several meters.
- the signal of the scanning device is modulated and the resulting electromagnetic response of the tag is read by the scanning device, which can work not only to generate electromagnetic waves, but also to receive them.
- the receiving built-in antenna of the RFID tag excited by the sinusoidal electromagnetic wave of the scanning device, begins to emit the reflected backward wave modulated by the RFID tag at the same frequency as the carrier frequency of the scanning device.
- Part of the energy of the scanning electromagnetic field received by the RFID tag is transmitted to the electronic unit with the RFID tag memory to the chip, which reads information from its memory and modulates the electromagnetic wave reflected by the receiving antenna of the RFID tag with low-frequency oscillations in which the read information is encoded compared to the carrier frequency of the scanning device. Further, this modulated reflected wave with information is received and processed by the scanning device.
- the RFID tag must receive a sufficient amount of electromagnetic energy from the scanning device so that it is enough to excite the reflected electromagnetic wave with a carrier frequency, and to power the chip to read the information encoded in the RFID tag memory unit, and to modulate the reflected wave.
- Passive RFID tags unlike tags with their own energy sources, require more powerful scanning devices so that the reflected modulated signal can be generated, on the one hand, and can be read by the scanning device, on the other hand.
- the distance at which the scanning device can receive the reflected RFID signal from the tag is called the read radius. To increase the effectiveness of an RFID tag, it is necessary to maximize its reading radius.
- the claimed invention relates to a method for increasing the reading radius of a passive RFID tag without its own energy source and operating at the expense of the energy of a scanning electromagnetic field, and a device for implementing this method.
- the object of the invention is to increase the reading radius of a passive RFID tag by a scanning device.
- the present invention proposes a fundamentally new method of increasing the reading radius of a passive RFID tag.
- the proposed method consists in placing an RFID tag in water or other medium with an electrically polar molecular structure.When placing the tag in water, a viscous liquid or amorphous plastic or melt with an electrically polar molecular structure, an unexpected effect of increasing the reading radius of the RFID tag several times is observed.
- the polarizable medium is poured into a capsule.
- the capsule shell must be made of a dielectric material, such as plastic, epoxy resin, rubber, glass.
- the size of the capsule can vary from a size that almost coincides with the size of the RFID tag itself, to a volume that exceeds the volume of an RFID tag several times.
- the shape of the capsule is not essential and can be selected for reasons of convenient interfacing with the structures on which the RFID tag is placed.
- the reading radius enlargement factor varies from 3-5 to 30-50 times.
- the electromagnetic signal is generated by a scanning device with a circularly polarized directional antenna operating in the same frequency range 860-
- RFID tags from different manufacturers and different designs were used, such as labels, tags, bolts, nuts.
- the electromagnetic field of the scanning device is quasi-stationary for the typical dimensions of RFID tags and the physical properties of the substances used to fill the capsule.
- the characteristic relaxation time of water molecules and similar polarizable media for UHF frequencies is less than the period of the scanning electromagnetic wave.
- the conditions for quasi-stationarity of the field are also fulfilled for the frequencies of the LF and HF bands.
- microscopic dipoles which have time to line up along a scanning sinusoidal electromagnetic wave, begin to oscillate in unison with the total dipole of the RFID tag antenna itself. Resonant amplification of the response occurs, which leads to a sharp increase in the reading radius of the RFID tag.
- the capsule shell is made of a dielectric lightweight and plastic material.
- An RFID tag in such a capsule is installed on accounting items with the same security measures as an RFID tag without a capsule.
- the temperature ranges of which such a label will be used should be taken into account in order to take into account the effects of thermal compression and expansion of the polarizable medium used in the capsule, as well as possible liquid-gas or liquid-solid phase transitions.
- the material from which the capsule is made must maintain its physical properties over a wide temperature range. This range should include the melting and boiling points of the polarizable medium filling the capsule.
- FIG. 1- general view of the device
- FIG. 2a is a general view of a capsule with an RFID tag, where
- FIG. 3 general view of RFID tag
- FIG. 4 is a general view of a capsule with a polarizable medium
- FIG. 4a is a general view of a capsule with water molecules, where b is a capsule with a polarizable medium,
- FIG. 4b is a general view of a capsule with water molecules, where
- FIG. 4c General view of a capsule with water molecules
- the proposed method consists in placing RFID tags 3 (Fig. 1, Fig. 2, Fig. 2a) in water 7 (Fig. 2), a viscous liquid, amorphous plastic 9 (Fig. 2a) or a melt with an electrically polar molecular structure.
- Fig. 2 Water 7 or a viscous liquid, amorphous plastic 9 (Fig. 2a) or melt are placed in a capsule 6 (Fig. 1, Fig. 2, Fig. 2a) with an RFID tag (Fig. 1, Fig. 2, Fig. 2a, Fig. 3).
- RFID tag 3 (Fig. 1, Fig. 2, Fig. 2a) is attached to objects or objects that are subject to accounting or tracking.
- the scanning device 1 When the mark 3 (Fig. 1, Fig. 2, Fig. 2a) is detected in the reading area of the scanning device 1 (Fig. 1), the signal of the scanning device 1 (Fig. 1) is modulated and the resulting electromagnetic response of the mark 3 (Fig. 1, Fig. 2, Fig. 2a) is read by the scanning device 1 (Fig. 1), which can operate not only to generate electromagnetic waves, but also to receive them.
- the electromagnetic signal is generated by a scanning device 1 (Fig. D) with a circularly polarized directional antenna 2 (Fig. 1) in the same frequency range as the built-in receiving antenna 4 (Fig. 1, Fig. 2, Fig. 2a, Fig. 3) RFID tags 3 (Fig. 1, Fig. 2, Fig. 2a, Fig. 3).
- Receiving antenna 4 (Fig. 1, Fig. 2, Fig. 2a, Fig. 3) RFID tags 3 (Fig. 1, Fig. 2, Fig. 2a), excited by a sinusoidal electromagnetic wave 8 (Fig. 1) of the scanning device 1 (Fig. 1) starts to emit the reflected wave 8a (Fig. 8a) at the same frequency as the carrier frequency of the scanning device 1 (Fig. 1).
- Sinusoidal electromagnetic wave 8 (Fig. 1) of the scanning device 1 (Fig. 1) not only excites the antenna 4 (Fig. 1, Fig. 2, Fig. 2a, Fig. 3) FRID tag 3 (Fig.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Toxicology (AREA)
- Health & Medical Sciences (AREA)
- Computer Hardware Design (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Artificial Intelligence (AREA)
- General Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- Signal Processing (AREA)
- Radar Systems Or Details Thereof (AREA)
- Near-Field Transmission Systems (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US17/637,247 US20220284200A1 (en) | 2019-08-19 | 2020-05-07 | Method of extending a rfid tag reading range and device for carrying out the same |
GB2203948.1A GB2602420A (en) | 2019-08-19 | 2020-05-07 | Method for increasing the reading radius of an RFID tag and device for implementing said method |
CA3151912A CA3151912A1 (en) | 2019-08-19 | 2020-05-07 | Method of extending a rfid tag reading range and device for carrying out the same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2019118120 | 2019-08-19 | ||
RU2019118120A RU2019118120A (ru) | 2019-08-19 | 2019-08-19 | Способ увеличения радиуса считывания rfid-метки и устройство для его осуществления |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2021034217A1 true WO2021034217A1 (ru) | 2021-02-25 |
Family
ID=74659510
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/RU2020/000214 WO2021034217A1 (ru) | 2019-08-19 | 2020-05-07 | Способ увеличения радиуса считывания rfid метки и устройство для его осуществления |
Country Status (5)
Country | Link |
---|---|
US (1) | US20220284200A1 (ru) |
CA (1) | CA3151912A1 (ru) |
GB (1) | GB2602420A (ru) |
RU (1) | RU2019118120A (ru) |
WO (1) | WO2021034217A1 (ru) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9953192B2 (en) * | 2008-03-24 | 2018-04-24 | Intermec Ip Corp. | RFID tag communication triggered by sensed energy |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007077996A1 (ja) * | 2006-01-05 | 2007-07-12 | Hitachi Chemical Co., Ltd. | 個体識別が可能な管状容器 |
WO2010122499A2 (en) * | 2009-04-20 | 2010-10-28 | Ecole Polytechnique Federale De Lausanne (Epfl) | Containers assembled in fluid and corresponding production |
HK1145128A2 (en) * | 2010-11-25 | 2011-04-01 | Kwai Sang Danny So | Device and method for detecting water level, and device adapted for such method and container adapted for such device |
US9907908B2 (en) * | 2011-03-08 | 2018-03-06 | Baxter International Inc. | Non-invasive radio frequency medical fluid level and volume detection system and method |
-
2019
- 2019-08-19 RU RU2019118120A patent/RU2019118120A/ru unknown
-
2020
- 2020-05-07 GB GB2203948.1A patent/GB2602420A/en not_active Withdrawn
- 2020-05-07 US US17/637,247 patent/US20220284200A1/en active Pending
- 2020-05-07 WO PCT/RU2020/000214 patent/WO2021034217A1/ru active Application Filing
- 2020-05-07 CA CA3151912A patent/CA3151912A1/en not_active Abandoned
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9953192B2 (en) * | 2008-03-24 | 2018-04-24 | Intermec Ip Corp. | RFID tag communication triggered by sensed energy |
Non-Patent Citations (3)
Title |
---|
MUROMTSEV D. JU. ET AL.: "ELEKTRODINAMIKA I RASPROSTRANENIE RADIOVOLN. Uchebnoe posobie.", IZDATELSTVO FGBOU VPO «TGTU», 2012, pages 12 * |
REZ I. S. ET AL.: "Osnovnye svoistva i primeneniya v elektronike.", DIELEKTRIKI, 1989, pages 69 * |
YUNG-CHENG HSIEH, CHENG HUI-WEN, WU YU-JU: "Key Factors Affecting the Performance of RFID Tag Antennas", CURRENT TRENDS AND CHALLENGES IN RFID, vol. 8, 2011, pages 151 - 170, XP055794448 * |
Also Published As
Publication number | Publication date |
---|---|
US20220284200A1 (en) | 2022-09-08 |
CA3151912A1 (en) | 2021-02-25 |
GB2602420A (en) | 2022-06-29 |
GB202203948D0 (en) | 2022-05-04 |
RU2019118120A3 (ru) | 2021-02-19 |
RU2019118120A (ru) | 2021-02-19 |
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