DE60333134D1 - Methode und vorrichtung zur fernabfrage von passiven etiketten in rfid systemen - Google Patents
Methode und vorrichtung zur fernabfrage von passiven etiketten in rfid systemenInfo
- Publication number
- DE60333134D1 DE60333134D1 DE60333134T DE60333134T DE60333134D1 DE 60333134 D1 DE60333134 D1 DE 60333134D1 DE 60333134 T DE60333134 T DE 60333134T DE 60333134 T DE60333134 T DE 60333134T DE 60333134 D1 DE60333134 D1 DE 60333134D1
- Authority
- DE
- Germany
- Prior art keywords
- phase
- signals
- passive tags
- remote sensing
- tags
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000021615 conjugation Effects 0.000 abstract 2
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
-
- 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.
- G06K7/10029—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. the collision being resolved in the time domain, e.g. using binary tree search or RFID responses allocated to a random time slot
- G06K7/10039—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. the collision being resolved in the time domain, e.g. using binary tree search or RFID responses allocated to a random time slot interrogator driven, i.e. synchronous
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
-
- 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
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
- H01Q3/2647—Retrodirective arrays
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Artificial Intelligence (AREA)
- Toxicology (AREA)
- Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- General Health & Medical Sciences (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Radar Systems Or Details Thereof (AREA)
- Geophysics And Detection Of Objects (AREA)
- Near-Field Transmission Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/EP2003/013006 WO2005055121A1 (en) | 2003-11-20 | 2003-11-20 | Method of and apparatus for long distance reading of passive tags in radio frequency identification systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE60333134D1 true DE60333134D1 (de) | 2010-08-05 |
Family
ID=34639214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE60333134T Expired - Lifetime DE60333134D1 (de) | 2003-11-20 | 2003-11-20 | Methode und vorrichtung zur fernabfrage von passiven etiketten in rfid systemen |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US7750791B2 (de) |
| EP (1) | EP1692638B1 (de) |
| JP (1) | JP4478648B2 (de) |
| KR (1) | KR101001980B1 (de) |
| AT (1) | ATE472138T1 (de) |
| AU (1) | AU2003289884A1 (de) |
| DE (1) | DE60333134D1 (de) |
| WO (1) | WO2005055121A1 (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7479884B1 (en) | 2004-08-31 | 2009-01-20 | Cedar Ridge Research | System and method for monitoring objects, people, animals or places |
| US8395484B2 (en) * | 2004-08-31 | 2013-03-12 | Cedar Ridge Research Llc | System and method for monitoring objects, people, animals or places |
| US20060132312A1 (en) * | 2004-12-02 | 2006-06-22 | Tavormina Joseph J | Portal antenna for radio frequency identification |
| KR100816616B1 (ko) * | 2007-03-23 | 2008-03-24 | 김현철 | 무선 접속 포인트를 이용한 무선 식별 시스템 및 방법 |
| US8604908B1 (en) * | 2008-01-15 | 2013-12-10 | ThingM Corporation | Article storage system with closely-coupled, article-specific display |
| US8466776B2 (en) | 2010-07-01 | 2013-06-18 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Extended range passive wireless tag system and method |
| US11057615B2 (en) | 2018-09-18 | 2021-07-06 | Antronix Inc. | Inventory tracking in cable TV system |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5840843B2 (ja) | 1976-07-27 | 1983-09-08 | 三菱電機株式会社 | レトロディレクティブアレイアンテナ方式 |
| US4370653A (en) * | 1980-07-21 | 1983-01-25 | Rca Corporation | Phase comparator system |
| JPS58127411A (ja) | 1982-01-26 | 1983-07-29 | Japan Radio Co Ltd | レトロデイレクテイブアレイアンテナ |
| JPH02279025A (ja) | 1989-04-20 | 1990-11-15 | Mitsubishi Electric Corp | レトロ・デイレクテイブ・アンテナ |
| US5387916A (en) * | 1992-07-31 | 1995-02-07 | Westinghouse Electric Corporation | Automotive navigation system and method |
| JP3420781B2 (ja) | 1992-09-29 | 2003-06-30 | 株式会社ロケットシステム | 太陽発電の送電装置 |
| JPH06188784A (ja) | 1992-12-22 | 1994-07-08 | Miriueibu:Kk | 対象体情報検出システム |
| US5960350A (en) * | 1996-12-05 | 1999-09-28 | Motorola, Inc. | Method and system for optimizing a traffic channel in a wireless communications system |
| US6184841B1 (en) * | 1996-12-31 | 2001-02-06 | Lucent Technologies Inc. | Antenna array in an RFID system |
| US6185440B1 (en) * | 1997-12-10 | 2001-02-06 | Arraycomm, Inc. | Method for sequentially transmitting a downlink signal from a communication station that has an antenna array to achieve an omnidirectional radiation |
| JPH11298367A (ja) | 1998-04-16 | 1999-10-29 | Japan Radio Co Ltd | アンテナ装置 |
| JP3699295B2 (ja) * | 1999-05-24 | 2005-09-28 | 東芝テック株式会社 | 無線通信システム |
| US6335685B1 (en) * | 2000-03-09 | 2002-01-01 | International Business Machines Corporation | Apparatus and method for locating containers and contents of containers using radio frequency tags |
| WO2001095240A2 (en) * | 2000-06-05 | 2001-12-13 | Transcore Holdings, Inc. | Method and apparatus to determine the direction to a transponder in a modulated backscatter communication system |
| JP2002271229A (ja) | 2001-03-07 | 2002-09-20 | Sharp Corp | Ｒｆｉｄ検索装置およびｒｆｉｄを利用する物品検索方法 |
-
2003
- 2003-11-20 DE DE60333134T patent/DE60333134D1/de not_active Expired - Lifetime
- 2003-11-20 JP JP2005511180A patent/JP4478648B2/ja not_active Expired - Fee Related
- 2003-11-20 KR KR1020067009808A patent/KR101001980B1/ko active IP Right Grant
- 2003-11-20 AU AU2003289884A patent/AU2003289884A1/en not_active Abandoned
- 2003-11-20 AT AT03782217T patent/ATE472138T1/de not_active IP Right Cessation
- 2003-11-20 EP EP03782217A patent/EP1692638B1/de not_active Expired - Lifetime
- 2003-11-20 WO PCT/EP2003/013006 patent/WO2005055121A1/en not_active Application Discontinuation
- 2003-11-20 US US10/580,042 patent/US7750791B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| WO2005055121A1 (en) | 2005-06-16 |
| ATE472138T1 (de) | 2010-07-15 |
| EP1692638B1 (de) | 2010-06-23 |
| EP1692638A1 (de) | 2006-08-23 |
| US7750791B2 (en) | 2010-07-06 |
| KR20070003768A (ko) | 2007-01-05 |
| AU2003289884A1 (en) | 2005-06-24 |
| JP4478648B2 (ja) | 2010-06-09 |
| KR101001980B1 (ko) | 2010-12-17 |
| JP2007515836A (ja) | 2007-06-14 |
| US20070075831A1 (en) | 2007-04-05 |
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