SG11202106033PA - Radio frequency signal modulation by impedance variation - Google Patents
Radio frequency signal modulation by impedance variationInfo
- Publication number
- SG11202106033PA SG11202106033PA SG11202106033PA SG11202106033PA SG11202106033PA SG 11202106033P A SG11202106033P A SG 11202106033PA SG 11202106033P A SG11202106033P A SG 11202106033PA SG 11202106033P A SG11202106033P A SG 11202106033PA SG 11202106033P A SG11202106033P A SG 11202106033PA
- Authority
- SG
- Singapore
- Prior art keywords
- radio frequency
- frequency signal
- signal modulation
- impedance variation
- impedance
- Prior art date
Links
Classifications
-
- 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
- G06K7/10316—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 using at least one antenna particularly designed for interrogating the wireless record carriers
- G06K7/10356—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 using at least one antenna particularly designed for interrogating the wireless record carriers using a plurality of antennas, e.g. configurations including means to resolve interference between the plurality of antennas
-
- 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
- G06K19/0672—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 resonating marks
- G06K19/0675—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 resonating marks the resonating marks being of the surface acoustic wave [SAW] kind
-
- 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
- G06K7/0008—General problems related to the reading of electronic memory record carriers, independent of its reading method, e.g. power transfer
-
- 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
- G06K7/10019—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 resolving collision on the communication channels between simultaneously or concurrently interrogated record carriers.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Computer Networks & Wireless Communication (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- General Health & Medical Sciences (AREA)
- Details Of Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP18211751.5A EP3667550B1 (en) | 2018-12-11 | 2018-12-11 | Radio frequency signal modulation by impedance variation |
| PCT/IB2019/059792 WO2020121085A1 (en) | 2018-12-11 | 2019-11-14 | Radio frequency signal modulation by impedance variation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SG11202106033PA true SG11202106033PA (en) | 2021-07-29 |
Family
ID=64900745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG11202106033PA SG11202106033PA (en) | 2018-12-11 | 2019-11-14 | Radio frequency signal modulation by impedance variation |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US20220027583A1 (zh) |
| EP (1) | EP3667550B1 (zh) |
| KR (1) | KR20210122235A (zh) |
| CN (1) | CN113544691A (zh) |
| CA (1) | CA3122408A1 (zh) |
| IL (1) | IL283817B2 (zh) |
| SG (1) | SG11202106033PA (zh) |
| WO (1) | WO2020121085A1 (zh) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI784524B (zh) * | 2021-05-17 | 2022-11-21 | 淡江大學學校財團法人淡江大學 | 智慧型集線器 |
| WO2024007237A1 (en) * | 2022-07-07 | 2024-01-11 | Qualcomm Incorporated | Sidelink kind passive communications |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5680106A (en) * | 1995-10-27 | 1997-10-21 | International Business Machines Corporation | Multibit tag with stepwise variable frequencies |
| US6107910A (en) * | 1996-11-29 | 2000-08-22 | X-Cyte, Inc. | Dual mode transmitter/receiver and decoder for RF transponder tags |
| US7095311B2 (en) * | 2003-11-25 | 2006-08-22 | The Regents Of The University Of California | Identification coding schemes for modulated reflectance systems |
| CN100399344C (zh) * | 2004-03-03 | 2008-07-02 | 励智识别技术有限公司 | 用于检测标识介质的方法 |
| US20090309706A1 (en) * | 2008-06-11 | 2009-12-17 | Somnath Mukherjee | Radio frequency identification system with improved accuracy and detection efficiency in presence of clutter |
| AU2009317877B2 (en) * | 2008-11-20 | 2014-10-23 | Rfid Technologies Pty Ltd | Radio frequency transponder system |
| US20130046153A1 (en) * | 2011-08-16 | 2013-02-21 | Elwha LLC, a limited liability company of the State of Delaware | Systematic distillation of status data relating to regimen compliance |
| US9973367B2 (en) * | 2014-02-11 | 2018-05-15 | University Of Washington | Apparatuses, systems, and methods for communicating using MIMO and spread spectrum coding in backscatter of ambient signals |
-
2018
- 2018-12-11 EP EP18211751.5A patent/EP3667550B1/en active Active
-
2019
- 2019-11-14 WO PCT/IB2019/059792 patent/WO2020121085A1/en active Application Filing
- 2019-11-14 CA CA3122408A patent/CA3122408A1/en active Pending
- 2019-11-14 KR KR1020217020984A patent/KR20210122235A/ko not_active Application Discontinuation
- 2019-11-14 CN CN201980082723.1A patent/CN113544691A/zh active Pending
- 2019-11-14 IL IL283817A patent/IL283817B2/en unknown
- 2019-11-14 SG SG11202106033PA patent/SG11202106033PA/en unknown
- 2019-11-14 US US17/312,729 patent/US20220027583A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| IL283817B1 (en) | 2023-12-01 |
| CN113544691A (zh) | 2021-10-22 |
| WO2020121085A1 (en) | 2020-06-18 |
| KR20210122235A (ko) | 2021-10-08 |
| IL283817B2 (en) | 2024-04-01 |
| EP3667550A1 (en) | 2020-06-17 |
| JP2022514481A (ja) | 2022-02-14 |
| US20220027583A1 (en) | 2022-01-27 |
| EP3667550B1 (en) | 2021-02-17 |
| IL283817A (en) | 2021-07-29 |
| CA3122408A1 (en) | 2020-06-18 |
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