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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 same

Info

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
Application number
GB9627120A
Other versions
GB2321551A (en
GB9627120D0 (en
Inventor
John Wolfgang Halpern
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from GBGB9606050.4A external-priority patent/GB9606050D0/en
Priority claimed from GBGB9606764.0A external-priority patent/GB9606764D0/en
Priority claimed from GB9609102A external-priority patent/GB2311399A/en
Application filed by Individual filed Critical Individual
Publication of GB9627120D0 publication Critical patent/GB9627120D0/en
Publication of GB2321551A publication Critical patent/GB2321551A/en
Application granted granted Critical
Publication of GB2321551B publication Critical patent/GB2321551B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009Methods 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
    • G06K7/10316Methods 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
    • G06K7/10326Methods 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
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/0008General problems related to the reading of electronic memory record carriers, independent of its reading method, e.g. power transfer
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009Methods 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
    • G06K7/10316Methods 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
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009Methods 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
    • G06K7/10316Methods 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
    • G06K7/10336Methods 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)
GB9627120A 1996-03-22 1996-12-31 Power transfer between at variable distance coupled VHF antennas, and oscillator drive circuit for same Expired - Fee Related GB2321551B (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
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