HK60091A - Method and apparatus for fm demodulation - Google Patents

Method and apparatus for fm demodulation

Info

Publication number
HK60091A
HK60091A HK600/91A HK60091A HK60091A HK 60091 A HK60091 A HK 60091A HK 600/91 A HK600/91 A HK 600/91A HK 60091 A HK60091 A HK 60091A HK 60091 A HK60091 A HK 60091A
Authority
HK
Hong Kong
Prior art keywords
demodulation
Prior art date
Application number
HK600/91A
Other languages
English (en)
Inventor
John James Gibson
Original Assignee
Rca Licensing Corp
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 Rca Licensing Corp filed Critical Rca Licensing Corp
Publication of HK60091A publication Critical patent/HK60091A/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/006—Demodulation of angle-, frequency- or phase- modulated oscillations by sampling the oscillations and further processing the samples, e.g. by computing techniques
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/007—Demodulation of angle-, frequency- or phase- modulated oscillations by converting the oscillations into two quadrature related signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0041—Functional aspects of demodulators
    • H03D2200/005—Analog to digital conversion
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0041—Functional aspects of demodulators
    • H03D2200/006—Signal sampling
    • H03D2200/0062—Computation of input samples, e.g. successive samples
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Theoretical Computer Science (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
HK600/91A 1983-07-29 1991-08-01 Method and apparatus for fm demodulation HK60091A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/518,806 US4547737A (en) 1983-07-29 1983-07-29 Demodulator of sampled data FM signals from sets of four successive samples

Publications (1)

Publication Number Publication Date
HK60091A true HK60091A (en) 1991-08-09

Family

ID=24065582

Family Applications (1)

Application Number Title Priority Date Filing Date
HK600/91A HK60091A (en) 1983-07-29 1991-08-01 Method and apparatus for fm demodulation

Country Status (6)

Country Link
US (1) US4547737A (xx)
JP (1) JPH0736491B2 (xx)
DE (1) DE3427851C2 (xx)
FR (1) FR2550030B1 (xx)
GB (1) GB2144288B (xx)
HK (1) HK60091A (xx)

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DE3564065D1 (en) * 1985-02-23 1988-09-01 Itt Ind Gmbh Deutsche Integrated digital circuit section for frequency demodulation
FR2583938A1 (fr) * 1985-06-21 1986-12-26 Labo Electronique Physique Filtre numerique de quadrature et demodulateur de signal numerique module en frequence comprenant un tel filtre
JPS6311570A (ja) * 1985-12-16 1988-01-19 住友金属工業株式会社 炭素繊維強化炭素材の製造方法
US4747140A (en) * 1986-12-24 1988-05-24 Rca Corporation Low distortion filters for separating frequency or phase modulated signals from composite signals
GB8704871D0 (en) * 1987-02-27 1988-04-27 British Aerospace Digital signal demodulation
JPH01151307A (ja) * 1987-12-08 1989-06-14 Toshiba Corp デジタルｆｍ復調装置
US5027352A (en) * 1989-01-05 1991-06-25 Motorola, Inc. Receiver frequency offset bias circuit for TDM radios
US4910469A (en) * 1989-05-02 1990-03-20 Rca Licensing Corporation Demodulator for sampled data FM signals
JP2581306B2 (ja) * 1990-11-24 1997-02-12 日本電気株式会社 ディジタル方式直交位相検波回路
US5129672A (en) * 1991-03-11 1992-07-14 Nhk Spring Co., Ltd. Suspension system for a vehicle
JPH04336056A (ja) * 1991-05-10 1992-11-24 Matsushita Electric Ind Co Ltd 超音波ドプラ映像装置
US5206601A (en) * 1992-04-29 1993-04-27 Elanix Inc. Order statistic signal processor for estimating values of signal parameters and demodulating amplitude-, phase-, and frequency-modulated signals
DE4227858A1 (de) * 1992-08-22 1994-02-24 Sel Alcatel Ag Empfänger zur Messung der Frequenz von einem oder mehreren simultan empfangenen pulsförmigen Signalen
JP2862450B2 (ja) * 1992-12-26 1999-03-03 キヤノン株式会社 画像形成装置
US5448202A (en) * 1993-07-14 1995-09-05 Seiko Communications Holding N.V. Sigma-delta FM demodulator
US5430770A (en) * 1994-04-22 1995-07-04 Rockwell International Corp. Method and apparatus for composite signal separation and PSK/AM/FM demodulation
US5615411A (en) * 1994-04-22 1997-03-25 Rockwell International Method and apparatus for composite signal separation and FM demodulation
JP2850942B2 (ja) * 1994-07-13 1999-01-27 日本電気株式会社 復調器
DE19727581A1 (de) * 1997-06-28 1999-01-07 Bosch Gmbh Robert Digitaler FM-Demodulator
US6031418A (en) * 1998-11-19 2000-02-29 Lockheed Martin Corporation Method and apparatus for demodulating digital frequency modulation (FM) signals
US6456950B1 (en) * 1999-05-19 2002-09-24 International Business Machines Corporation Method and apparatus for estimating and digitizing instantaneous frequency and phase of bandpass signals
JP2000341348A (ja) * 1999-05-31 2000-12-08 Matsushita Electric Ind Co Ltd Ｆｍ信号の瞬間周波数を測定する方法と装置
DE10059775C2 (de) * 2000-12-01 2003-11-27 Hahn Schickard Ges Verfahren und Vorrichtung zur Verarbeitung von analogen Ausgangssignalen von kapazitiven Sensoren
US7068739B1 (en) * 2002-03-29 2006-06-27 Cypress Semiconductor Corp. Method and system for providing a binary demodulator
DE60301852T2 (de) * 2003-03-10 2006-05-18 Csem Centre Suisse D'electronique Et De Microtechnique S.A. Elektrische Schaltung, Verfahren und Vorrichtung zur Demodulation eines intensitätsmodulierten Signals
JP6235224B2 (ja) * 2013-03-29 2017-11-22 株式会社ダイヘン 周波数情報検出装置
KR101817544B1 (ko) * 2015-12-30 2018-01-11 어보브반도체 주식회사 개선된 반송파 주파수 오프셋 보상을 사용하는 블루투스 수신 방법 및 장치
US10491428B2 (en) 2018-04-27 2019-11-26 Hewlett Packard Enterprise Development Lp Current supply for an opto-electronic device
US10484089B1 (en) * 2018-04-27 2019-11-19 Hewlett Packard Enterprise Development Lp Driver assisted by charge sharing

Family Cites Families (22)

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Publication number Priority date Publication date Assignee Title
US3135917A (en) * 1961-09-11 1964-06-02 Sanders Associates Inc Frequency sensitive wave analyzer including frequency sensing phase shifting means
US3470478A (en) * 1964-08-21 1969-09-30 Robertshaw Controls Co Fsk and psk wave receiver
FR2422287A1 (fr) * 1978-04-06 1979-11-02 Materiel Telephonique Procede et dispositif de demodulation d'un signal module en phase differentielle
US4286223A (en) * 1978-05-15 1981-08-25 E-Systems, Inc. Wideband digital frequency discriminator and phase and frequency detector
US4224575A (en) * 1978-11-29 1980-09-23 E-Systems, Inc. Phase/frequency controlled phase shift keyed signal carrier reconstruction circuit
US4344039A (en) * 1979-03-13 1982-08-10 Sanyo Electric Co., Ltd. Demodulating circuit for self-clocking-information
FR2469824A1 (fr) * 1979-11-14 1981-05-22 Thomson Csf Procede de demodulation d'un signal module en frequence et demodulateurs mettant en oeuvre ce procede
FR2479629B1 (fr) * 1980-04-01 1985-11-08 Thomson Csf Procede de demodulation d'un signal module en amplitude, demodulateur mettant en oeuvre ce procede et systeme de television comportant un tel dispositif
JPS56140705A (en) * 1980-04-04 1981-11-04 Nippon Telegr & Teleph Corp <Ntt> Fm demodulator
US4338579A (en) * 1980-07-30 1982-07-06 Communications Satelite Corp. Frequency shift offset quadrature modulation and demodulation
FR2488755A2 (fr) * 1980-08-13 1982-02-19 Thomson Csf Procede de demodulation d'un signal module en frequence et demodulateurs mettant en oeuvre ce procede
DE3030853A1 (de) * 1980-08-14 1982-03-11 Siemens AG, 1000 Berlin und 8000 München Verfahren und schaltungsanordnung zum demodulieren zeitdiskreter frequenzmodulierter signale
GB2082857A (en) * 1980-08-27 1982-03-10 Philips Electronic Associated Determining the frequency of an alternating signal
US4345211A (en) * 1980-09-15 1982-08-17 Rockwell International Corporation Digital phaselock demodulator
US4368434A (en) * 1980-09-18 1983-01-11 Codex Corporation Programmable digital detector for the demodulation of angle modulated electrical signals
JPS57133362A (en) * 1981-02-10 1982-08-18 Mitsubishi Electric Corp Frequency detector
FR2502423A1 (fr) * 1981-03-17 1982-09-24 Thomson Brandt Demodulateur numerique de signaux et systeme de television comportant un tel demodulateur
FR2508739B1 (fr) * 1981-06-24 1986-01-03 Labo Electronique Physique Circuit numerique de demodulation d'un signal module en frequence, application de ce circuit a la realisation d'un etage de demodulation du signal de chrominance d'un recepteur de television, et recepteur de television equipe d'un tel etage
DE3124963A1 (de) * 1981-06-25 1983-01-20 Philips Patentverwaltung Gmbh, 2000 Hamburg Anordnung zur demodulation eines frequenzmodulierten eingangssignals
DE3137843A1 (de) * 1981-09-23 1983-03-31 Robert Bosch Gmbh, 7000 Stuttgart Filter- und demodulationsschaltung
DE3138464A1 (de) * 1981-09-26 1983-04-14 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur digitalen demodulation frequenzmodulierter signale
DE3145919A1 (de) * 1981-11-19 1983-05-26 Siemens AG, 1000 Berlin und 8000 München Verfahren und anordnung zum demodulieren zeitdiskreter frequenzmodulierter signale

Also Published As

Publication number Publication date
US4547737A (en) 1985-10-15
GB2144288B (en) 1986-10-22
GB2144288A (en) 1985-02-27
DE3427851A1 (de) 1985-02-14
JPS6052103A (ja) 1985-03-25
FR2550030A1 (fr) 1985-02-01
GB8419088D0 (en) 1984-08-30
JPH0736491B2 (ja) 1995-04-19
FR2550030B1 (fr) 1989-11-24
DE3427851C2 (de) 1995-12-07

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)