GB2321551B - Power transfer between at variable distance coupled VHF antennas, and oscillator drive circuit for same - Google Patents
Power transfer between at variable distance coupled VHF antennas, and oscillator drive circuit for sameInfo
- Publication number
- GB2321551B GB2321551B GB9627120A GB9627120A GB2321551B GB 2321551 B GB2321551 B GB 2321551B GB 9627120 A GB9627120 A GB 9627120A GB 9627120 A GB9627120 A GB 9627120A GB 2321551 B GB2321551 B GB 2321551B
- Authority
- GB
- United Kingdom
- Prior art keywords
- drive circuit
- same
- power transfer
- variable distance
- oscillator drive
- 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 - Fee Related
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
- G06K7/10326—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 the antenna being of the very-near field type, e.g. capacitive
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; 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
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
- G06K7/10336—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 the antenna being of the near field type, inductive coil
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- General Physics & Mathematics (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Theoretical Computer Science (AREA)
- Electromagnetism (AREA)
- General Health & Medical Sciences (AREA)
- Computer Networks & Wireless Communication (AREA)
- Near-Field Transmission Systems (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GBGB9606050.4A GB9606050D0 (en) | 1996-03-22 | 1996-03-22 | Card reader proximity coupling system utilizing laminated antenna module |
| GBGB9606764.0A GB9606764D0 (en) | 1996-03-29 | 1996-03-29 | Card reader proximity coupling system utilizing laminated VHF antenna module |
| GB9609102A GB2311399A (en) | 1996-03-22 | 1996-05-01 | Universal card interface module for contact free cards |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB9627120D0 GB9627120D0 (en) | 1997-02-19 |
| GB2321551A GB2321551A (en) | 1998-07-29 |
| GB2321551B true GB2321551B (en) | 2000-05-24 |
Family
ID=27268194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB9627120A Expired - Fee Related GB2321551B (en) | 1996-03-22 | 1996-12-31 | Power transfer between at variable distance coupled VHF antennas, and oscillator drive circuit for same |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2321551B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11203435A (en) * | 1998-01-07 | 1999-07-30 | Nec Fukushima Ltd | Non-contact ic card |
| FR2776781B1 (en) * | 1998-03-31 | 2000-05-05 | Gemplus Card Int | DEVICE FOR CONTROLLING THE IMPEDANCE REDUCED ON THE ANTENNA OF AN ELECTROMAGNETIC LABEL |
| EP1366616A2 (en) * | 2001-03-07 | 2003-12-03 | John Wolfgang Halpern | Mobile phone communications system with increased functionality |
| EP1660331B1 (en) * | 2003-08-29 | 2019-07-24 | Zebra Technologies Corporation | Printer with spatially selective uhf near field microstrip coupler device |
| US7398054B2 (en) | 2003-08-29 | 2008-07-08 | Zih Corp. | Spatially selective UHF near field microstrip coupler device and RFID systems using device |
| US8596532B2 (en) | 2004-06-10 | 2013-12-03 | Zih Corp. | Apparatus and method for communicating with an RFID transponder |
| US7190270B2 (en) | 2004-11-05 | 2007-03-13 | Zih Corp. | System and method for detecting transponders used with printer media |
| EP1814191A3 (en) * | 2006-01-30 | 2007-08-29 | Matsushita Electric Industrial Co., Ltd. | Antenna apparatus |
| US9108434B2 (en) | 2007-12-18 | 2015-08-18 | Zih Corp. | RFID near-field antenna and associated systems |
| CN103049940B (en) * | 2011-10-15 | 2014-12-31 | 成都锐奕信息技术有限公司 | Device for triggering card reader in intelligent vehicle-mounted terminal |
| CN109060184A (en) * | 2018-08-27 | 2018-12-21 | 天津中科华盈科技有限公司 | A method of for realizing the monitoring of motor temperature redundancy |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5376778A (en) * | 1992-02-26 | 1994-12-27 | Angewandte Digital Electronik Gmbh | Contact-free chip card for remote transmission |
-
1996
- 1996-12-31 GB GB9627120A patent/GB2321551B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5376778A (en) * | 1992-02-26 | 1994-12-27 | Angewandte Digital Electronik Gmbh | Contact-free chip card for remote transmission |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2321551A (en) | 1998-07-29 |
| GB9627120D0 (en) | 1997-02-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20051231 |