DE60229425D1 - Empfängerschaltung und methode für ein kontaktloses identifikationssystem - Google Patents
Empfängerschaltung und methode für ein kontaktloses identifikationssystemInfo
- Publication number
- DE60229425D1 DE60229425D1 DE60229425T DE60229425T DE60229425D1 DE 60229425 D1 DE60229425 D1 DE 60229425D1 DE 60229425 T DE60229425 T DE 60229425T DE 60229425 T DE60229425 T DE 60229425T DE 60229425 D1 DE60229425 D1 DE 60229425D1
- Authority
- DE
- Germany
- Prior art keywords
- identification system
- contactless identification
- receiver switching
- receiver
- switching
- 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
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Circuits Of Receivers In General (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/008,596 US6565001B1 (en) | 2001-11-08 | 2001-11-08 | Receiver circuit and method for a contactless identification system |
PCT/EP2002/012351 WO2003041008A1 (en) | 2001-11-08 | 2002-11-05 | Receiver circuit and method for a contactless identification system |
Publications (1)
Publication Number | Publication Date |
---|---|
DE60229425D1 true DE60229425D1 (de) | 2008-11-27 |
Family
ID=21732498
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60229425T Expired - Lifetime DE60229425D1 (de) | 2001-11-08 | 2002-11-05 | Empfängerschaltung und methode für ein kontaktloses identifikationssystem |
Country Status (4)
Country | Link |
---|---|
US (1) | US6565001B1 (de) |
EP (1) | EP1446765B1 (de) |
DE (1) | DE60229425D1 (de) |
WO (1) | WO2003041008A1 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2879382A1 (fr) * | 2004-12-14 | 2006-06-16 | St Microelectronics Sa | Detection d'erreurs dans un signal en modulation d'amplitude |
US7792514B2 (en) * | 2007-06-08 | 2010-09-07 | Seiko Epson Corporation | Envelope detector for AM radio |
US7971794B2 (en) * | 2008-02-07 | 2011-07-05 | Infineon Technologies Ag | Actively regulated modulation index for contactless IC devices |
JP5119961B2 (ja) * | 2008-02-08 | 2013-01-16 | 住友電気工業株式会社 | 包絡線追跡電源回路及びそれを含む高周波増幅器 |
US20110300812A1 (en) * | 2010-06-04 | 2011-12-08 | Camp Jr William O | Communications circuitry for an electronic device |
US8824597B2 (en) * | 2012-09-07 | 2014-09-02 | Texas Instruments Incorporated | Circuits and methods for field-based communication |
DE102013114137A1 (de) * | 2013-12-16 | 2015-06-18 | Endress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik mbH + Co. KG | Elektronische Schaltung und Verfahren zum Demodulieren eines Trägersignals |
US11748590B2 (en) * | 2020-12-18 | 2023-09-05 | Nxp B.V. | RFID tag with impedance tuning,and method of impedance tuning of an RRID tag |
US11481595B2 (en) | 2020-12-18 | 2022-10-25 | Nxp B.V. | Dual system RFID tag |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4555792A (en) * | 1981-10-02 | 1985-11-26 | U.S. Philips Corporation | Transmitter for transmitting an FSK-modulated signal |
GB9005779D0 (en) * | 1990-03-14 | 1990-05-09 | Gen Electric Co Plc | Radio receiver antenna arrangements |
FR2751149B1 (fr) * | 1996-07-12 | 1998-09-18 | Inside Technologies | Dispositif pour l'emission et la reception de donnees numeriques par induction electromagnetique et couplage inductif |
ATE337588T1 (de) * | 1999-12-16 | 2006-09-15 | Infineon Technologies Ag | Chipkarte mit zwei demodulationseinrichtungen |
DE50015169D1 (de) * | 2000-03-22 | 2008-07-03 | Infineon Technologies Ag | Chipkarte |
-
2001
- 2001-11-08 US US10/008,596 patent/US6565001B1/en not_active Expired - Lifetime
-
2002
- 2002-11-05 WO PCT/EP2002/012351 patent/WO2003041008A1/en not_active Application Discontinuation
- 2002-11-05 EP EP02783072A patent/EP1446765B1/de not_active Expired - Lifetime
- 2002-11-05 DE DE60229425T patent/DE60229425D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
WO2003041008A1 (en) | 2003-05-15 |
EP1446765B1 (de) | 2008-10-15 |
US6565001B1 (en) | 2003-05-20 |
EP1446765A1 (de) | 2004-08-18 |
US20030085278A1 (en) | 2003-05-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |