GB2243964B - A receiver circuit for radio frequency signals for a self-contained electronic device - Google Patents

A receiver circuit for radio frequency signals for a self-contained electronic device

Info

Publication number
GB2243964B
GB2243964B GB9107206A GB9107206A GB2243964B GB 2243964 B GB2243964 B GB 2243964B GB 9107206 A GB9107206 A GB 9107206A GB 9107206 A GB9107206 A GB 9107206A GB 2243964 B GB2243964 B GB 2243964B
Authority
GB
United Kingdom
Prior art keywords
self
electronic device
radio frequency
frequency signals
receiver circuit
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
GB9107206A
Other versions
GB2243964A (en
GB9107206D0 (en
Inventor
Charles Rydel
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.)
Valeo Comfort and Driving Assistance SAS
Original Assignee
Valeo Securite Habitacle SAS
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
Application filed by Valeo Securite Habitacle SAS filed Critical Valeo Securite Habitacle SAS
Publication of GB9107206D0 publication Critical patent/GB9107206D0/en
Publication of GB2243964A publication Critical patent/GB2243964A/en
Application granted granted Critical
Publication of GB2243964B publication Critical patent/GB2243964B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G06K7/0008—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
    • 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
    • G06K19/0723—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 the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D1/00—Demodulation of amplitude-modulated oscillations
    • H03D1/14—Demodulation of amplitude-modulated oscillations by means of non-linear elements having more than two poles
    • H03D1/18—Demodulation of amplitude-modulated oscillations by means of non-linear elements having more than two poles of semiconductor devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Artificial Intelligence (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Circuits Of Receivers In General (AREA)
  • Near-Field Transmission Systems (AREA)
  • Amplifiers (AREA)
GB9107206A 1990-04-06 1991-04-05 A receiver circuit for radio frequency signals for a self-contained electronic device Expired - Fee Related GB2243964B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9004429A FR2660780B1 (en) 1990-04-06 1990-04-06 CIRCUIT FOR RECEIVING A MODULATED RADIO SIGNAL FOR A SELF-CONTAINED ELECTRONIC DEVICE.

Publications (3)

Publication Number Publication Date
GB9107206D0 GB9107206D0 (en) 1991-05-22
GB2243964A GB2243964A (en) 1991-11-13
GB2243964B true GB2243964B (en) 1993-11-24

Family

ID=9395506

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9107206A Expired - Fee Related GB2243964B (en) 1990-04-06 1991-04-05 A receiver circuit for radio frequency signals for a self-contained electronic device

Country Status (3)

Country Link
DE (1) DE4111097A1 (en)
FR (1) FR2660780B1 (en)
GB (1) GB2243964B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR9402670A (en) * 1993-07-06 1995-06-06 At & T Corp Portable data card enclosure
FR2751148B1 (en) * 1996-07-12 1998-09-18 Inside Technologies DEMODULATOR OF AN AMPLITUDE MODULATED RECIPIENT SIGNAL IN A COIL BY ELECTROMAGNETIC INDUCTION
DE19650093C1 (en) * 1996-12-03 1997-10-23 Fraunhofer Ges Forschung Battery operated receiver with low standby current
BE1012370A3 (en) * 1998-12-24 2000-10-03 Abay T S Vehicle identification system
JP4315530B2 (en) 1999-07-29 2009-08-19 富士通株式会社 Detection circuit for contactless IC card device
US7821402B2 (en) 2006-05-05 2010-10-26 Quality Electrodynamics IC tags/RFID tags for magnetic resonance imaging applications

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB869581A (en) * 1958-12-10 1961-05-31 Gen Electric Co Ltd Improvements in or relating to transistor amplifiers
GB1091318A (en) * 1966-07-25 1967-11-15 Standard Telephones Cables Ltd Waveform envelope detector circuit
US3585511A (en) * 1968-07-16 1971-06-15 Siemens Ag Integrated circuit arrangement for demodulating an amplitude modulated high frequency signal

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5136028B1 (en) * 1970-09-18 1976-10-06
US4650981A (en) * 1984-01-26 1987-03-17 Foletta Wayne S Credit card with active electronics
FR2607608B1 (en) * 1986-11-27 1989-03-24 Jacques Lewiner IMPROVEMENTS TO OBJECTS CODES IDENTIFIABLE BY PROXIMITY AND TO DEVICES FOR CHANGING THE CODES OF THESE OBJECTS

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB869581A (en) * 1958-12-10 1961-05-31 Gen Electric Co Ltd Improvements in or relating to transistor amplifiers
GB1091318A (en) * 1966-07-25 1967-11-15 Standard Telephones Cables Ltd Waveform envelope detector circuit
US3585511A (en) * 1968-07-16 1971-06-15 Siemens Ag Integrated circuit arrangement for demodulating an amplitude modulated high frequency signal
DE1766763B2 (en) * 1968-07-16 1976-05-20 Siemens AG, 1000 Berlin und 8000 München INTEGRATED CIRCUIT FOR DEMODULATING AMPLITUDE-MODULATED HIGH-FREQUENCY VIBRATION

Also Published As

Publication number Publication date
FR2660780A1 (en) 1991-10-11
FR2660780B1 (en) 1995-12-15
GB2243964A (en) 1991-11-13
GB9107206D0 (en) 1991-05-22
DE4111097A1 (en) 1991-10-10

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19980405