DE69905302D1 - Modulation und Demodulationsvorrichtung - Google Patents

Modulation und Demodulationsvorrichtung

Info

Publication number
DE69905302D1
DE69905302D1 DE69905302T DE69905302T DE69905302D1 DE 69905302 D1 DE69905302 D1 DE 69905302D1 DE 69905302 T DE69905302 T DE 69905302T DE 69905302 T DE69905302 T DE 69905302T DE 69905302 D1 DE69905302 D1 DE 69905302D1
Authority
DE
Germany
Prior art keywords
modulation
demodulation device
demodulation
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
DE69905302T
Other languages
English (en)
Other versions
DE69905302T2 (de
Inventor
Masao Miyaura
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.)
Alps Alpine Co Ltd
Original Assignee
Alps Electric Co Ltd
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 Alps Electric Co Ltd filed Critical Alps Electric Co Ltd
Publication of DE69905302D1 publication Critical patent/DE69905302D1/de
Application granted granted Critical
Publication of DE69905302T2 publication Critical patent/DE69905302T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
    • G07B15/00—Arrangements or apparatus for collecting fares, tolls or entrance fees at one or more control points
    • G07B15/06—Arrangements for road pricing or congestion charging of vehicles or vehicle users, e.g. automatic toll systems
    • G07B15/063—Arrangements for road pricing or congestion charging of vehicles or vehicle users, e.g. automatic toll systems using wireless information transmission between the vehicle and a fixed station
    • 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
    • H03C—MODULATION
    • H03C7/00—Modulating electromagnetic waves
    • H03C7/02—Modulating electromagnetic waves in transmission lines, waveguides, cavity resonators or radiation fields of antennas
    • H03C7/025—Modulating electromagnetic waves in transmission lines, waveguides, cavity resonators or radiation fields of antennas using semiconductor devices
    • H03C7/027—Modulating electromagnetic waves in transmission lines, waveguides, cavity resonators or radiation fields of antennas using semiconductor devices using diodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H04L27/04—Modulator circuits; Transmitter circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H04L27/06—Demodulator circuits; Receiver circuits
DE69905302T 1998-03-09 1999-02-17 Modulation und Demodulationsvorrichtung Expired - Fee Related DE69905302T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10056754A JPH11261434A (ja) 1998-03-09 1998-03-09 変復調装置

Publications (2)

Publication Number Publication Date
DE69905302D1 true DE69905302D1 (de) 2003-03-20
DE69905302T2 DE69905302T2 (de) 2003-10-16

Family

ID=13036309

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69905302T Expired - Fee Related DE69905302T2 (de) 1998-03-09 1999-02-17 Modulation und Demodulationsvorrichtung

Country Status (4)

Country Link
US (1) US6176432B1 (de)
EP (1) EP0942523B1 (de)
JP (1) JPH11261434A (de)
DE (1) DE69905302T2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7346374B2 (en) 1999-05-26 2008-03-18 Johnson Controls Technology Company Wireless communications system and method
US7257426B1 (en) * 1999-05-26 2007-08-14 Johnson Controls Technology Company Wireless communications systems and method
FR2799063B1 (fr) * 1999-09-24 2001-12-21 Centre Nat Etd Spatiales Emetteur de signaux radioelectriques modules a polarisation d'amplification auto-adaptee
JP3794897B2 (ja) 2000-03-30 2006-07-12 シャープ株式会社 無線通信装置
JP3724450B2 (ja) * 2002-04-23 2005-12-07 株式会社村田製作所 無線通信用高周波回路およびそれを備えた通信機
US7787840B1 (en) * 2006-10-11 2010-08-31 Eugene Rzyski Shape memory alloy receiver
JP5075958B2 (ja) * 2010-09-09 2012-11-21 株式会社東芝 高周波スイッチ回路および無線通信装置
WO2014143046A1 (en) * 2013-03-15 2014-09-18 Medusa Scientific Llc Transpositional modulation systems and methods
EP3101596B1 (de) 2015-06-03 2018-04-25 Nxp B.V. Anpassbare vorspannungsabstimmung
AT519605B1 (de) * 2017-01-11 2018-11-15 Efkon Gmbh Schaltkreis
EP3704839A1 (de) 2017-11-03 2020-09-09 Telefonaktiebolaget LM Ericsson (PUBL) Empfänger, kommunikationsvorrichtung, verfahren und computerprogramm zur empfangen von binären informationen
US10764096B1 (en) * 2019-07-29 2020-09-01 Beken Corporation Demodulator and method of demodulating ASK signal
US10891528B1 (en) * 2019-07-29 2021-01-12 Beken Corporation Demodulator and method of demodulating ask signal

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3582828A (en) * 1968-07-12 1971-06-01 California Inst Of Techn Charge storage diode modulators and demodulators
FR2636793A1 (fr) * 1988-09-19 1990-03-23 Alcatel Transmission Modulateur hyperfrequence a deux etats de phase : 0,pi a tres faibles pertes
FR2660438B1 (fr) * 1990-03-27 1992-08-07 Thomson Composants Microondes Antenne active de transmission bidirectionnelle.
JPH0496520A (ja) * 1990-08-13 1992-03-27 Sharp Corp データ送信装置
JP2632078B2 (ja) * 1990-10-01 1997-07-16 シャープ株式会社 移動体識別システムに用いられる応答装置
FR2669484B1 (fr) * 1990-11-16 1994-03-25 Thomson Composants Microondes Dispositif de telecommunications par ondes electromagnetiques.
FR2669475B1 (fr) * 1990-11-16 1993-01-22 Thomson Composants Microondes Modem pour badge hyperfrequence, a amplificateur a reflexion.
JPH0677753A (ja) * 1992-08-26 1994-03-18 Fujitsu Ltd Ａｌｃ回路
JPH07264091A (ja) 1994-03-18 1995-10-13 Toshiba Corp 無線カード用通信装置
DE4410896A1 (de) * 1994-03-29 1995-10-05 Bosch Gmbh Robert Fahrzeuggerät für Transponderbetrieb

Also Published As

Publication number Publication date
US6176432B1 (en) 2001-01-23
EP0942523A1 (de) 1999-09-15
EP0942523B1 (de) 2003-02-12
JPH11261434A (ja) 1999-09-24
DE69905302T2 (de) 2003-10-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee