ATE59124T1 - Schaltung zur unterdrueckung eines sekundaeren schwebungssignals fuer ein magnetisches wiedergabegeraet. - Google Patents

Schaltung zur unterdrueckung eines sekundaeren schwebungssignals fuer ein magnetisches wiedergabegeraet.

Info

Publication number
ATE59124T1
ATE59124T1 AT84110226T AT84110226T ATE59124T1 AT E59124 T1 ATE59124 T1 AT E59124T1 AT 84110226 T AT84110226 T AT 84110226T AT 84110226 T AT84110226 T AT 84110226T AT E59124 T1 ATE59124 T1 AT E59124T1
Authority
AT
Austria
Prior art keywords
signal
beat signal
secondary beat
playback device
suppression circuit
Prior art date
Application number
AT84110226T
Other languages
German (de)
English (en)
Inventor
Toshihiko C O Sony Co Kitazawa
Chome
Ichitaro C O Sony Corpora Sato
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of ATE59124T1 publication Critical patent/ATE59124T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/7908—Suppression of interfering signals at the reproducing side, e.g. noise
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/7908—Suppression of interfering signals at the reproducing side, e.g. noise
    • H04N9/7912—Suppression of interfering signals at the reproducing side, e.g. noise the interfering signals being intermodulation signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Noise Elimination (AREA)
  • Optical Communication System (AREA)
  • Picture Signal Circuits (AREA)
  • Digital Magnetic Recording (AREA)
  • Television Signal Processing For Recording (AREA)
AT84110226T 1983-08-31 1984-08-28 Schaltung zur unterdrueckung eines sekundaeren schwebungssignals fuer ein magnetisches wiedergabegeraet. ATE59124T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP58159461A JPS6051388A (ja) 1983-08-31 1983-08-31 記録再生装置の二次ビートキャンセル回路
EP84110226A EP0137994B1 (en) 1983-08-31 1984-08-28 Secondary beat signal cancel circuit for magnetic reproducing apparatus

Publications (1)

Publication Number Publication Date
ATE59124T1 true ATE59124T1 (de) 1990-12-15

Family

ID=15694266

Family Applications (1)

Application Number Title Priority Date Filing Date
AT84110226T ATE59124T1 (de) 1983-08-31 1984-08-28 Schaltung zur unterdrueckung eines sekundaeren schwebungssignals fuer ein magnetisches wiedergabegeraet.

Country Status (7)

Country Link
US (1) US4998172A (OSRAM)
EP (1) EP0137994B1 (OSRAM)
JP (1) JPS6051388A (OSRAM)
AT (1) ATE59124T1 (OSRAM)
AU (1) AU572879B2 (OSRAM)
CA (1) CA1230675A (OSRAM)
DE (1) DE3483739D1 (OSRAM)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR890004853B1 (ko) * 1985-01-28 1989-11-29 미쓰비시전기 주식회사 영상신호 처리회로
JPS6318811A (ja) * 1986-07-11 1988-01-26 Victor Co Of Japan Ltd 雑音低減回路
JPH0748876B2 (ja) * 1986-11-25 1995-05-24 松下電器産業株式会社 再生装置
JPS63174498A (ja) * 1987-01-14 1988-07-18 Matsushita Electric Ind Co Ltd ビデオテ−プレコ−ダ
JPH01117573A (ja) * 1987-10-30 1989-05-10 Pioneer Electron Corp ビデオ信号のノイズ抑制装置
JP2523886B2 (ja) * 1989-08-04 1996-08-14 松下電器産業株式会社 ドット妨害除去装置及び色副搬送波垂直相関検出装置
EP0433032A3 (en) * 1989-12-15 1992-08-05 Matsushita Electric Industrial Co., Ltd. Signal reproducing apparatus
JPH0414989A (ja) * 1990-05-09 1992-01-20 Sony Corp パイロット信号除去回路
JPH0468692A (ja) * 1990-07-04 1992-03-04 Akai Electric Co Ltd 磁気再生装置におけるノイズキャンセラ
JP2993063B2 (ja) * 1990-07-05 1999-12-20 ソニー株式会社 ミラーマザーｖｔｒの記録回路
JP2646895B2 (ja) * 1991-06-21 1997-08-27 日本ビクター株式会社 情報再生装置
DE4128184A1 (de) * 1991-08-24 1993-02-25 Thomson Brandt Gmbh Schaltung zur verringerung von farbstoerungen in einem videorecorder
DE4341623A1 (de) * 1993-12-07 1995-06-08 Mb Video Gmbh Verfahren zur Rauschunterdrückung und Rauschunterdrückungsschaltung für Videorecorder

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3626087A (en) * 1968-10-07 1971-12-07 Sony Corp Magnetic recording and reproducing device for color video signals
US3715468A (en) * 1969-02-21 1973-02-06 Victor Company Of Japan Color video signal recording and reproducing system
US3728475A (en) * 1969-07-04 1973-04-17 Victor Company Of Japan Beat signal suppression system for a system for transmitting a frequency modulated wave or a device for recording and reproducing a frequency modulated wave
JPS4944535B1 (OSRAM) * 1970-01-26 1974-11-28
JPS5034892B1 (OSRAM) * 1970-01-26 1975-11-12
US3893168A (en) * 1974-03-07 1975-07-01 Rca Corp Technique for minimizing interference in video recorder reproducer systems
AU530142B2 (en) * 1976-08-09 1983-07-07 Rca Corp. Video disc systems
JPS592228B2 (ja) * 1978-12-14 1984-01-17 松下電器産業株式会社 テレビジョン信号の雑音除去方式
JPS55117712A (en) * 1979-02-28 1980-09-10 Matsushita Electric Ind Co Ltd Noise reduction circuit of video signal recording and reproducing device
JPS5696590A (en) * 1979-12-29 1981-08-04 Sony Corp Playback device for color video signal
JPS56153892A (en) * 1980-04-28 1981-11-28 Sony Corp Comb type filter
JPS56160189A (en) * 1980-04-29 1981-12-09 Sony Corp Differential gain compensating circuit
JPS573486A (en) * 1980-06-10 1982-01-08 Victor Co Of Japan Ltd Color video signal recording and reproducing system
JPS57160288A (en) * 1981-03-30 1982-10-02 Sony Corp Processing circuit for chrominance signal
US4563704A (en) * 1981-06-19 1986-01-07 Victor Company Of Japan, Ltd. Noise reduction circuit for a video signal

Also Published As

Publication number Publication date
EP0137994B1 (en) 1990-12-12
EP0137994A2 (en) 1985-04-24
CA1230675A (en) 1987-12-22
AU3222984A (en) 1985-03-07
EP0137994A3 (en) 1987-05-20
JPH0475713B2 (OSRAM) 1992-12-01
AU572879B2 (en) 1988-05-19
JPS6051388A (ja) 1985-03-22
DE3483739D1 (de) 1991-01-24
US4998172A (en) 1991-03-05

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee