DE68912202D1 - Digitaler FM-Demodulator. - Google Patents

Digitaler FM-Demodulator.

Info

Publication number
DE68912202D1
DE68912202D1 DE89305138T DE68912202T DE68912202D1 DE 68912202 D1 DE68912202 D1 DE 68912202D1 DE 89305138 T DE89305138 T DE 89305138T DE 68912202 T DE68912202 T DE 68912202T DE 68912202 D1 DE68912202 D1 DE 68912202D1
Authority
DE
Germany
Prior art keywords
demodulator
digital
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
DE89305138T
Other languages
English (en)
Other versions
DE68912202T2 (de
Inventor
Haruo Ohta
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE68912202D1 publication Critical patent/DE68912202D1/de
Application granted granted Critical
Publication of DE68912202T2 publication Critical patent/DE68912202T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H03D3/007—Demodulation of angle-, frequency- or phase- modulated oscillations by converting the oscillations into two quadrature related signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Signal Processing For Recording (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DE68912202T 1988-05-24 1989-05-22 Digitaler FM-Demodulator. Expired - Fee Related DE68912202T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63126433A JPH01296704A (ja) 1988-05-24 1988-05-24 Ｆｍ復調装置

Publications (2)

Publication Number Publication Date
DE68912202D1 true DE68912202D1 (de) 1994-02-24
DE68912202T2 DE68912202T2 (de) 1994-05-19

Family

ID=14935074

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68912202T Expired - Fee Related DE68912202T2 (de) 1988-05-24 1989-05-22 Digitaler FM-Demodulator.

Country Status (4)

Country Link
US (1) US4994754A (de)
EP (1) EP0343892B1 (de)
JP (1) JPH01296704A (de)
DE (1) DE68912202T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0428764B1 (de) * 1989-11-18 1994-04-20 Deutsche ITT Industries GmbH Digitaler Begrenzer zur Pegelbegrenzung eines in Digitalform vorliegenden Videosignals
GB2256565B (en) * 1991-06-04 1995-03-08 Marconi Gec Ltd Digital demodulator
JP3158614B2 (ja) * 1992-03-26 2001-04-23 ソニー株式会社 デジタル復調装置
JP3025384B2 (ja) * 1993-01-13 2000-03-27 シャープ株式会社 デジタルｆｍ復調装置
KR0132872B1 (ko) * 1993-09-08 1998-04-21 김광호 디지탈 주파수복조기
JPH07231268A (ja) * 1993-12-21 1995-08-29 Toshiba Corp Ｆｍチューナにおけるパルスノイズキャンセラ
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
KR20060010778A (ko) * 2003-05-05 2006-02-02 코닌클리즈케 필립스 일렉트로닉스 엔.브이. 복조기, 장치 및 복조 방법
GB2481237A (en) * 2010-06-17 2011-12-21 Nokia Corp Protecting a speaker arrangement against over-modulated broadcasts
EP2487801B1 (de) * 2011-02-10 2018-09-05 Nxp B.V. Verfahren und Vorrichtung zur Verminderung oder Entfernung von Klickgeräuschen

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4090145A (en) * 1969-03-24 1978-05-16 Webb Joseph A Digital quadrature demodulator
US4096360A (en) * 1975-09-27 1978-06-20 Victor Company Of Japan, Ltd. Multichannel record disc reproducing system
US4203134A (en) * 1978-10-02 1980-05-13 Rca Corporation FM Signal demodulator with defect detection
US4629994A (en) * 1984-06-15 1986-12-16 Matsushita Electric Industrial Co., Ltd. FM demodulator
DE3464189D1 (en) * 1984-08-03 1987-07-16 Itt Ind Gmbh Deutsche Videorecorder with a magnetic tape storage medium
EP0226456A3 (de) * 1985-12-13 1989-03-08 Matsushita Electric Industrial Co., Ltd. Vorrichtung zum Aufnehmen und Wiedergeben von Signalen
DE3702856A1 (de) * 1987-01-31 1988-08-11 Philips Patentverwaltung Schaltungsanordnung zur detektion der ueberschreitung eines vorgegebenen frequenzhubbereiches

Also Published As

Publication number Publication date
EP0343892B1 (de) 1994-01-12
US4994754A (en) 1991-02-19
EP0343892A1 (de) 1989-11-29
JPH01296704A (ja) 1989-11-30
DE68912202T2 (de) 1994-05-19

Similar Documents

Publication Publication Date Title
EP0451289A4 (en) Digital demodulator
DE68924733T2 (de) Digitaler Modulator und Demodulator.
DE3562693D1 (de) Digital "didon" demodulator
DE3881793D1 (de) Digitaler demodulator.
DE58909505D1 (de) Synchrondemodulator.
DE3887049T2 (de) FM-Stereodemodulatoren.
DE58907655D1 (de) Fm-rundfunkempfangsteil.
DE58906952D1 (de) Fm-rundfunkempfangsteil.
DE68912202D1 (de) Digitaler FM-Demodulator.
DE3575251D1 (de) Fsk-demodulator.
FI850280L (fi) Demodulator omfattande en faslaosningskrets.
DE3789793D1 (de) FSK-Signal-Demodulator.
DE69733222D1 (de) Digitaler FM-Demodulator
DE69026420T2 (de) FM-Demodulator
DE69211859D1 (de) Digitaler fsk-demodulator
DE58907045D1 (de) Fm-rundfunkempfangsteil.
DE3781604T2 (de) Fm-demodulator.
DE69110491D1 (de) FM-Demodulator.
FR2595895B1 (fr) Double demodulateur numerique
DE69314979T2 (de) Digitaler Demodulator
DE69416802T2 (de) FM Signal-Demodulator
DE69027815D1 (de) FM-Demodulator
DE59106263D1 (de) FM-Demodulator.
GB2197165B (en) Digital signal demodulator
GB8708663D0 (en) Fm demodulator

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee