WO2007121995A3 - Verfahren sowie schaltungsanordnung zur feldstärkebestimmung und integrierter schaltkreis - Google Patents

Verfahren sowie schaltungsanordnung zur feldstärkebestimmung und integrierter schaltkreis Download PDF

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Publication number
WO2007121995A3
WO2007121995A3 PCT/EP2007/003620 EP2007003620W WO2007121995A3 WO 2007121995 A3 WO2007121995 A3 WO 2007121995A3 EP 2007003620 W EP2007003620 W EP 2007003620W WO 2007121995 A3 WO2007121995 A3 WO 2007121995A3
Authority
WO
WIPO (PCT)
Prior art keywords
reference input
variable
output
field intensity
input variable
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.)
Ceased
Application number
PCT/EP2007/003620
Other languages
English (en)
French (fr)
Other versions
WO2007121995A2 (de
Inventor
Daniel Moser
Helmut Moser
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.)
Atmel Germany GmbH
Original Assignee
Atmel Germany GmbH
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 Atmel Germany GmbH filed Critical Atmel Germany GmbH
Priority to EP07724550A priority Critical patent/EP2010926A2/de
Publication of WO2007121995A2 publication Critical patent/WO2007121995A2/de
Publication of WO2007121995A3 publication Critical patent/WO2007121995A3/de
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
    • H04B5/24—Inductive coupling
    • H04B5/26—Inductive coupling using coils
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
    • B60R25/20—Means to switch the anti-theft system on or off
    • B60R25/24—Means to switch the anti-theft system on or off using electronic identifiers containing a code not memorised by the user
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/08—Measuring electromagnetic field characteristics
    • G01R29/0864—Measuring electromagnetic field characteristics characterised by constructional or functional features
    • G01R29/0871—Complete apparatus or systems; circuits, e.g. receivers or amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/318—Received signal strength
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R2325/00—Indexing scheme relating to vehicle anti-theft devices
    • B60R2325/10—Communication protocols, communication systems of vehicle anti-theft devices
    • B60R2325/105—Radio frequency identification data [RFID]

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Lock And Its Accessories (AREA)
  • Near-Field Transmission Systems (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)

Abstract

Eine Schaltungsanordnung zur Bestimmung der Feldstärke eines Trägersignals umfasst einen Antennenschaltkreis (214) mit einer Antenne (202) und einem Ausgangsanschluss (N1 ), an dem eine Ausgangsgröße in Form einer Ausgangsspannung (UAF) und/oder eines Ausgangsstroms ansteht, die eine Funktion der Feldstärke und eine Funktion von charakteristischen Parametern des Antennenschaltkreises (214) ist; eine Referenzeingangsgrößenerzeugungseinheit (216) zur Erzeugung einer Referenzeingangsgröße in Form einer Referenzeingangsspannung (Ul) und/oder eines Referenzeingangsstroms mit bekannter Referenzfrequenz und Referenzamplitude; eine mit dem Antennenschaltkreis (214) und der Referenzeingangsgrößenerzeugungseinheit (216) gekoppelte, ansteuerbare Umschalteinheit (215), welche den Antennenschaltkreis (214) ansteuerungszustandsabhängig mit der Referenzeingangsgröße (Ul) beaufschlagt oder den Antennenschaltkreis von der Referenzeingangsgröße (Ul) entkoppelt; und eine Auswerteeinheit, die derart ausgebildet ist, dass sie eine Ausgangsgröße (UAF) bei nicht angelegter Referenzeingangsgröße (Ul) und eine Ausgangsgröße (UAI) bei angelegter Referenzeingangsgröße (Ul) zur Bestimmung der FeIdstärke auswertet.
PCT/EP2007/003620 2006-04-25 2007-04-25 Verfahren sowie schaltungsanordnung zur feldstärkebestimmung und integrierter schaltkreis Ceased WO2007121995A2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07724550A EP2010926A2 (de) 2006-04-25 2007-04-25 Verfahren sowie schaltungsanordnung zur feldstärkebestimmung und integrierter schaltkreis

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006020423.9 2006-04-25
DE102006020423A DE102006020423B3 (de) 2006-04-25 2006-04-25 Verfahren sowie Schaltungsanordnung zur Feldstärkebestimmung

Publications (2)

Publication Number Publication Date
WO2007121995A2 WO2007121995A2 (de) 2007-11-01
WO2007121995A3 true WO2007121995A3 (de) 2008-01-31

Family

ID=38537065

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/003620 Ceased WO2007121995A2 (de) 2006-04-25 2007-04-25 Verfahren sowie schaltungsanordnung zur feldstärkebestimmung und integrierter schaltkreis

Country Status (5)

Country Link
US (1) US7796965B2 (de)
EP (1) EP2010926A2 (de)
CN (1) CN101473234A (de)
DE (1) DE102006020423B3 (de)
WO (1) WO2007121995A2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100054746A1 (en) 2007-07-24 2010-03-04 Eric Raymond Logan Multi-port accumulator for radio-over-fiber (RoF) wireless picocellular systems
US8175459B2 (en) 2007-10-12 2012-05-08 Corning Cable Systems Llc Hybrid wireless/wired RoF transponder and hybrid RoF communication system using same
US8819182B2 (en) * 2008-09-24 2014-08-26 Centurylink Intellectual Property Llc System and method for updating vehicle media content
US8224313B2 (en) 2008-09-24 2012-07-17 Centurylink Intellectual Property Llc System and method for controlling vehicle systems from a cell phone
US8126450B2 (en) * 2008-09-24 2012-02-28 Embarq Holdings Company Llc System and method for key free access to a vehicle
CN101751719B (zh) * 2008-12-03 2011-12-28 国民技术股份有限公司 用温度补偿提高交易系统通信距离准确性的方法和装置
US8587403B2 (en) * 2009-06-18 2013-11-19 Lear Corporation Method and system of determining and preventing relay attack for passive entry system
CN102044101B (zh) * 2010-11-30 2012-07-25 深圳市航盛电子股份有限公司 一种汽车无线门禁系统的智能卡定位方法
FR2978784B1 (fr) * 2011-08-05 2013-09-06 Continental Automotive France Procede et dispositif de declenchement, au moyen d'un lecteur rfid, d'une procedure d'actionnement de moyens de condamnation/de-condamnation de portes d'acces d'un vehicule automobile
FR2987196B1 (fr) * 2012-02-17 2014-04-04 Continental Automotive France Procede et dispositif de diagnostic d'antenne
DE102013110819A1 (de) * 2013-09-30 2015-04-02 Huf Hülsbeck & Fürst Gmbh & Co. Kg Elektronikbauteil für einen ID-Geber eines Fahrzeugs
US20160059827A1 (en) * 2014-08-27 2016-03-03 Lear Corporation Optimizing uwb satellite antenna in-vehicle positioning
US11047832B2 (en) * 2019-08-29 2021-06-29 Endra Life Sciences Inc. Method and system for determining at least one parameter of interest of a material

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2295629A (en) * 1940-10-31 1942-09-15 Rca Corp Frequency control system
US2489908A (en) * 1946-10-29 1949-11-29 Gen Electric Calibrator for field intensity recorders
EP1136955A2 (de) * 2000-03-20 2001-09-26 Philips Corporate Intellectual Property GmbH Anordnung für ein Zugangssicherungssystem
EP1808818A1 (de) * 2005-12-20 2007-07-18 ATMEL Germany GmbH Verfahren zum Übertragen von Informationen und Signalübertragungssystem, insbesondere zur Zugangskontrolle

Family Cites Families (15)

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Publication number Priority date Publication date Assignee Title
JPS5822708B2 (ja) * 1978-02-27 1983-05-10 タケダ理研工業株式会社 電界強度測定装置
US4314251A (en) * 1979-07-30 1982-02-02 The Austin Company Remote object position and orientation locater
US4642786A (en) * 1984-05-25 1987-02-10 Position Orientation Systems, Ltd. Method and apparatus for position and orientation measurement using a magnetic field and retransmission
US4619002A (en) * 1984-07-02 1986-10-21 Motorola, Inc. Self-calibrating signal strength detector
US5193210A (en) * 1991-07-29 1993-03-09 Abc Auto Alarms, Inc. Low power RF receiver
DE4409167C1 (de) * 1994-03-17 1995-06-29 Siemens Ag Schlüssellose Zugangskontrolleinrichtung
DE19538757C1 (de) * 1995-10-18 1997-03-06 Vdo Schindling Magnetfeldsensor
GB2307050B (en) * 1995-11-04 1999-12-22 Motorola Ltd Method and apparatus for measuring antenna performance
US6259918B1 (en) * 1999-02-26 2001-07-10 Telefonaktiebolaget Lm (Publ) Preservation of cell borders at hand-off within a smart antenna cellular system
JP3768773B2 (ja) * 2000-04-18 2006-04-19 三菱電機株式会社 Ｄｓｒｃ車載器
DE10159551A1 (de) 2001-12-05 2003-06-12 Atmel Germany Gmbh Verfahren zur Gewinnung einer Feldstärkeinformation
US6809638B2 (en) * 2002-08-20 2004-10-26 Trw Inc. Apparatus with receiver having selectable threshold time constant
US7120564B2 (en) * 2003-04-03 2006-10-10 Metrotech Corporation Buried line locator with integral position sensing
US7602274B2 (en) * 2004-04-23 2009-10-13 Microchip Technology Incorporated Dynamic configuration of a radio frequency transponder
DE102006020422B4 (de) * 2006-04-25 2008-05-15 Atmel Germany Gmbh Passive-Entry- und/oder Passive-Go-System sowie zugehöriges Betriebsverfahren

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2295629A (en) * 1940-10-31 1942-09-15 Rca Corp Frequency control system
US2489908A (en) * 1946-10-29 1949-11-29 Gen Electric Calibrator for field intensity recorders
EP1136955A2 (de) * 2000-03-20 2001-09-26 Philips Corporate Intellectual Property GmbH Anordnung für ein Zugangssicherungssystem
EP1808818A1 (de) * 2005-12-20 2007-07-18 ATMEL Germany GmbH Verfahren zum Übertragen von Informationen und Signalübertragungssystem, insbesondere zur Zugangskontrolle

Also Published As

Publication number Publication date
DE102006020423B3 (de) 2007-10-25
WO2007121995A2 (de) 2007-11-01
EP2010926A2 (de) 2009-01-07
CN101473234A (zh) 2009-07-01
US7796965B2 (en) 2010-09-14
US20070257770A1 (en) 2007-11-08

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