CA1070009A - Method and circuit for detecting and compensating for drop-out and distortion of f.m. video signals - Google Patents

Method and circuit for detecting and compensating for drop-out and distortion of f.m. video signals

Info

Publication number
CA1070009A
CA1070009A CA235,117A CA235117A CA1070009A CA 1070009 A CA1070009 A CA 1070009A CA 235117 A CA235117 A CA 235117A CA 1070009 A CA1070009 A CA 1070009A
Authority
CA
Canada
Prior art keywords
signal
level
circuit
positive
frequency modulated
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
Application number
CA235,117A
Other languages
English (en)
French (fr)
Inventor
William A. Buchan
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.)
BASF SE
Original Assignee
BASF SE
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 BASF SE filed Critical BASF SE
Application granted granted Critical
Publication of CA1070009A publication Critical patent/CA1070009A/en
Expired legal-status Critical Current

Links

Classifications

    • 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)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Signal Processing For Recording (AREA)
CA235,117A 1974-09-19 1975-09-04 Method and circuit for detecting and compensating for drop-out and distortion of f.m. video signals Expired CA1070009A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/507,432 US3947873A (en) 1974-09-19 1974-09-19 Method and circuit for detecting and compensating for drop-out and distortion of frequency modulated video signals

Publications (1)

Publication Number Publication Date
CA1070009A true CA1070009A (en) 1980-01-15

Family

ID=24018628

Family Applications (1)

Application Number Title Priority Date Filing Date
CA235,117A Expired CA1070009A (en) 1974-09-19 1975-09-04 Method and circuit for detecting and compensating for drop-out and distortion of f.m. video signals

Country Status (9)

Country Link
US (1) US3947873A (enExample)
JP (1) JPS5157416A (enExample)
AT (1) AT344262B (enExample)
BE (1) BE833498A (enExample)
CA (1) CA1070009A (enExample)
DE (1) DE2538891A1 (enExample)
FR (1) FR2285771A1 (enExample)
GB (1) GB1512215A (enExample)
IT (1) IT1041283B (enExample)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2299697A1 (fr) * 1974-07-23 1976-08-27 Thomson Brandt Procédé de détection d'altération de signaux de lecture, et appareil mettant oeuvre un tel procédé
FR2280168A1 (fr) * 1974-07-23 1976-02-20 Thomson Brandt Procede de detection d'alteration de signaux de lecture d'information enregistree sur un support et appareil mettant en oeuvre un tel procede
GB1536851A (en) * 1975-03-10 1978-12-20 Rca Corp Video carrier wave defect detection and compensation
DE2641078C2 (de) * 1976-09-11 1985-05-09 TED Bildplatten AG AEG-Telefunken-Teldec, Zug Dropouterkennungsschaltung für einen frequenzmodulierten Träger, insbesondere für ein Videoaufzeichnungsgerät
US4158855A (en) * 1977-11-29 1979-06-19 Rca Corporation Dropout compensator with proportional duration dropout detector
DE2822873C3 (de) * 1978-05-26 1981-03-12 Ted Bildplatten Ag Aeg-Telefunken-Teldec, 6301 Zug Schaltung zur Verminderung von Dropout-Störungen in einem Videosignal
DE3120327A1 (de) 1981-05-22 1982-12-09 Ibm Deutschland Gmbh, 7000 Stuttgart Verfahren und anordnung zum kompensieren von signaleinbruechen in von magnetischen aufzeichnungstraegern gelesenen signalen
JPS581386A (ja) * 1981-06-27 1983-01-06 Victor Co Of Japan Ltd デ−タ再生回路
NL8105095A (nl) * 1981-11-11 1983-06-01 Philips Nv Schakeling voor het omzetten van een informatiesignaal in een rechthoekvormig signaal.
JPS5972692A (ja) * 1982-10-20 1984-04-24 Canon Inc 画像信号再生装置の制御装置
NL8303567A (nl) * 1983-10-17 1985-05-17 Philips Nv Inrichting voor het weergeven van videosignalen.
DE3415956A1 (de) * 1984-04-28 1985-10-31 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur speicherung frequenzmodulierter signale und schaltungsanordnung hierfuer
JPS63273127A (ja) * 1987-04-30 1988-11-10 Nec Home Electronics Ltd 印字デ−タ表示装置
JP2591184B2 (ja) * 1989-09-25 1997-03-19 ティアツク株式会社 ドロップアウト検出回路
KR100657243B1 (ko) 1999-10-25 2006-12-14 삼성전자주식회사 비디오 테이프 레코더의 ｆｍ 기록 장치

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1263815B (de) * 1960-04-14 1968-03-21 Ampex Schaltungsanordnung zur UEbertragung, Speicherung und/oder Wiedergabe von Videosignalen mit einer Einrichtung zur Stoerbeseitigung
US4091425A (en) * 1972-10-24 1978-05-23 Mca Technology, Inc. Isolated non-consecutive missing half cycle compensator
GB1461356A (en) * 1973-06-07 1977-01-13 Sony Corp Drop-out compensating circuit
US3865981A (en) * 1973-07-16 1975-02-11 Odetics Inc Clock signal assurance in digital data communication systems

Also Published As

Publication number Publication date
AT344262B (de) 1978-07-10
JPS5157416A (en) 1976-05-19
US3947873A (en) 1976-03-30
GB1512215A (en) 1978-05-24
AU8453775A (en) 1977-03-10
DE2538891A1 (de) 1976-04-08
ATA717075A (de) 1977-11-15
IT1041283B (it) 1980-01-10
BE833498A (fr) 1976-03-17
FR2285771B1 (enExample) 1979-06-22
FR2285771A1 (fr) 1976-04-16

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Legal Events

Date Code Title Description
MKEX Expiry