DE69027129D1 - Rauschverminderungsvorrichtung im Hochfrequenzband - Google Patents

Rauschverminderungsvorrichtung im Hochfrequenzband

Info

Publication number
DE69027129D1
DE69027129D1 DE69027129T DE69027129T DE69027129D1 DE 69027129 D1 DE69027129 D1 DE 69027129D1 DE 69027129 T DE69027129 T DE 69027129T DE 69027129 T DE69027129 T DE 69027129T DE 69027129 D1 DE69027129 D1 DE 69027129D1
Authority
DE
Germany
Prior art keywords
high frequency
frequency band
noise reduction
reduction device
noise
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
DE69027129T
Other languages
English (en)
Other versions
DE69027129T2 (de
Inventor
Nobukazu Hosoya
Tooru Sasaki
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric 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 Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Publication of DE69027129D1 publication Critical patent/DE69027129D1/de
Application granted granted Critical
Publication of DE69027129T2 publication Critical patent/DE69027129T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/02—Analogue recording or reproducing
    • G11B20/06—Angle-modulation recording or reproducing
    • 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
    • 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
    • H04N9/793—Processing of colour television signals in connection with recording for controlling the level of the chrominance signal, e.g. by means of automatic chroma control circuits
    • H04N9/7933—Processing of colour television signals in connection with recording for controlling the level of the chrominance signal, e.g. by means of automatic chroma control circuits the level control being frequency-dependent
DE69027129T 1989-01-19 1990-01-19 Rauschverminderungsvorrichtung im Hochfrequenzband Expired - Fee Related DE69027129T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1010224A JPH02192074A (ja) 1989-01-19 1989-01-19 高域ノイズ軽減回路

Publications (2)

Publication Number Publication Date
DE69027129D1 true DE69027129D1 (de) 1996-07-04
DE69027129T2 DE69027129T2 (de) 1997-01-16

Family

ID=11744314

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69027129T Expired - Fee Related DE69027129T2 (de) 1989-01-19 1990-01-19 Rauschverminderungsvorrichtung im Hochfrequenzband

Country Status (5)

Country Link
US (1) US5428455A (de)
EP (1) EP0379210B1 (de)
JP (1) JPH02192074A (de)
KR (1) KR0168448B1 (de)
DE (1) DE69027129T2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3050278U (ja) * 1997-12-27 1998-06-30 船井電機株式会社 ビデオテープ再生装置
KR100561454B1 (ko) * 1999-05-03 2006-03-16 삼성전자주식회사 시간 지연을 보상한 재생 신호 검출방법 및 그 회로
JP2002094829A (ja) * 2000-09-12 2002-03-29 Mitsubishi Electric Corp 画面ノイズ除去装置及び陰極線管表示装置
JP3774706B2 (ja) * 2003-03-14 2006-05-17 キヤノン株式会社 画像表示装置及び画像表示装置の変換回路の特性決定方法
TW200501126A (en) * 2003-03-26 2005-01-01 Matsushita Electric Ind Co Ltd Compact disk driving device

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7402078A (nl) * 1974-02-15 1975-08-19 Philips Nv Inrichting voor het uitlezen van een schijfvormige registratiedrager.
US4042883A (en) * 1976-03-25 1977-08-16 Motorola, Inc. Automatic noise limiter
US4119812A (en) * 1977-04-20 1978-10-10 Rca Corporation Signal defect detection and compensation with signal de-emphasis
JPS5475922A (en) * 1977-11-30 1979-06-18 Hitachi Ltd Pulse noise limiter circuit
US4363138A (en) * 1978-11-27 1982-12-07 Trw Inc. Signal presence detector and method
JPS55117712A (en) * 1979-02-28 1980-09-10 Matsushita Electric Ind Co Ltd Noise reduction circuit of video signal recording and reproducing device
NL8000123A (nl) * 1980-01-09 1981-08-03 Philips Nv Inrichting voor het schrijven van digitale informatie in een schijfvormige optisch uitleesbare registratiedrager.
JPS56119908A (en) * 1980-02-25 1981-09-19 Hitachi Ltd Regenerative amplifying circuit
JPS5793787A (en) * 1980-12-04 1982-06-10 Hitachi Ltd Signal reproducing circuit
JPS58190190A (ja) * 1982-04-30 1983-11-07 Victor Co Of Japan Ltd 周波数変調波信号の二次歪低減装置
JPS62157370A (ja) * 1985-12-28 1987-07-13 Sony Corp 再生装置
JP2614482B2 (ja) * 1988-03-11 1997-05-28 三洋電機株式会社 光学式デイスクプレーヤの信号再生回路

Also Published As

Publication number Publication date
EP0379210B1 (de) 1996-05-29
KR0168448B1 (ko) 1999-03-20
KR900012252A (ko) 1990-08-03
US5428455A (en) 1995-06-27
JPH02192074A (ja) 1990-07-27
EP0379210A3 (de) 1992-08-26
EP0379210A2 (de) 1990-07-25
DE69027129T2 (de) 1997-01-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee