ATE66551T1 - Demodulator fuer moduliertes signal in frequenz. - Google Patents

Demodulator fuer moduliertes signal in frequenz.

Info

Publication number
ATE66551T1
ATE66551T1 AT87202311T AT87202311T ATE66551T1 AT E66551 T1 ATE66551 T1 AT E66551T1 AT 87202311 T AT87202311 T AT 87202311T AT 87202311 T AT87202311 T AT 87202311T AT E66551 T1 ATE66551 T1 AT E66551T1
Authority
AT
Austria
Prior art keywords
demodulator
frequency
modulated signal
low
pass filter
Prior art date
Application number
AT87202311T
Other languages
English (en)
Inventor
Josephus Adrianus Pijnenburg
Franciscus Cijsbertus Pavoordt
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Application granted granted Critical
Publication of ATE66551T1 publication Critical patent/ATE66551T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/34—Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems
    • H03G3/345—Muting during a short period of time when noise pulses are detected, i.e. blanking
    • 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
    • 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
    • H03D3/001—Details of arrangements applicable to more than one type of frequency demodulator
    • H03D3/002—Modifications of demodulators to reduce interference by undesired 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
    • H04N5/93—Regeneration of the television signal or of selected parts thereof
    • H04N5/94—Signal drop-out compensation

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Signal Processing For Recording (AREA)
  • Filters And Equalizers (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Noise Elimination (AREA)
  • Circuits Of Receivers In General (AREA)
AT87202311T 1986-11-28 1987-11-25 Demodulator fuer moduliertes signal in frequenz. ATE66551T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8603036A NL8603036A (nl) 1986-11-28 1986-11-28 Inrichting voor het demoduleren van een fm-gemoduleerd signaal.
EP87202311A EP0272726B1 (de) 1986-11-28 1987-11-25 Demodulator für moduliertes Signal in Frequenz

Publications (1)

Publication Number Publication Date
ATE66551T1 true ATE66551T1 (de) 1991-09-15

Family

ID=19848910

Family Applications (1)

Application Number Title Priority Date Filing Date
AT87202311T ATE66551T1 (de) 1986-11-28 1987-11-25 Demodulator fuer moduliertes signal in frequenz.

Country Status (7)

Country Link
US (1) US4870511A (de)
EP (1) EP0272726B1 (de)
JP (1) JP2659200B2 (de)
KR (1) KR960003168B1 (de)
AT (1) ATE66551T1 (de)
DE (1) DE3772356D1 (de)
NL (1) NL8603036A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2602342B2 (ja) * 1990-04-26 1997-04-23 日本電気アイシーマイコンシステム株式会社 スイッチングノイズ除去装置
NL9002004A (nl) * 1990-09-12 1991-01-02 Philips Nv Inrichting voor het demoduleren van een fm-gemoduleerd signaal.
JP3465434B2 (ja) * 1995-09-06 2003-11-10 ソニー・プレシジョン・テクノロジー株式会社 レーザードップラー速度計

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3689845A (en) * 1969-11-01 1972-09-05 Philips Corp Circuit arrangement for suppressing interferences in a receiver of electrical signals
AT308209B (de) * 1971-07-15 1973-06-25 Philips Nv Schaltungsanordnung zur Dropout-Kompensation bei der Wiedergabe von auf einem Aufzeichnungsträger gespeicherten Signalen
US4184178A (en) * 1972-11-30 1980-01-15 Basf Aktiengesellschaft Drop-out compensator for sound reproducing apparatus during tape reversal
AT369605B (de) * 1981-02-06 1983-01-25 Philips Nv Wiedergabegeraet
JPS58121882A (ja) * 1982-01-16 1983-07-20 Sony Corp 映像及び音声信号再生装置
JPS59119511A (ja) * 1982-12-27 1984-07-10 Pioneer Electronic Corp 情報再生装置
JPS59231708A (ja) * 1983-06-14 1984-12-26 Sony Corp 信号処理装置
DE3440969A1 (de) * 1984-11-09 1986-05-15 Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig holländ. Stiftung & Co KG, 8510 Fürth Anordnung zur beseitigung der kopfumschaltstoerungen in videorecordern
JPS61149491U (de) * 1985-03-08 1986-09-16
US4704642A (en) * 1985-05-01 1987-11-03 Victor Company Of Japan, Ltd. Noise reduction circuit for reducing pulse noise in audio signal reproduced from a recording medium

Also Published As

Publication number Publication date
NL8603036A (nl) 1988-06-16
JPS63142907A (ja) 1988-06-15
EP0272726B1 (de) 1991-08-21
DE3772356D1 (de) 1991-09-26
EP0272726A1 (de) 1988-06-29
US4870511A (en) 1989-09-26
JP2659200B2 (ja) 1997-09-30
KR880006836A (ko) 1988-07-25
KR960003168B1 (en) 1996-03-05

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