DE69027255D1 - Verarbeitungsgerät für Videosignale - Google Patents

Verarbeitungsgerät für Videosignale

Info

Publication number
DE69027255D1
DE69027255D1 DE69027255T DE69027255T DE69027255D1 DE 69027255 D1 DE69027255 D1 DE 69027255D1 DE 69027255 T DE69027255 T DE 69027255T DE 69027255 T DE69027255 T DE 69027255T DE 69027255 D1 DE69027255 D1 DE 69027255D1
Authority
DE
Germany
Prior art keywords
processing device
video signals
video
signals
processing
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
DE69027255T
Other languages
English (en)
Other versions
DE69027255T2 (de
Inventor
Shinichi Yamashita
Mitsugu Tanaka
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.)
Canon Inc
Original Assignee
Canon Inc
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
Priority claimed from JP1182029A external-priority patent/JPH0346161A/ja
Priority claimed from JP18202889A external-priority patent/JP2821185B2/ja
Priority claimed from JP1182030A external-priority patent/JPH0346491A/ja
Priority claimed from JP18202789A external-priority patent/JP2821184B2/ja
Application filed by Canon Inc filed Critical Canon Inc
Publication of DE69027255D1 publication Critical patent/DE69027255D1/de
Application granted granted Critical
Publication of DE69027255T2 publication Critical patent/DE69027255T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/82—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only
    • H04N9/825—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only the luminance and chrominance signals being recorded in separate channels
    • 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
    • H04N9/7936—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 by using a preemphasis network at the recording side and a deemphasis network at the reproducing side

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Signal Processing For Recording (AREA)
  • Picture Signal Circuits (AREA)
DE69027255T 1989-07-13 1990-07-11 Verarbeitungsgerät für Videosignale Expired - Fee Related DE69027255T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP1182029A JPH0346161A (ja) 1989-07-13 1989-07-13 非線形デイエンフアシス回路
JP18202889A JP2821185B2 (ja) 1989-07-13 1989-07-13 非線形デイエンフアシス回路
JP1182030A JPH0346491A (ja) 1989-07-13 1989-07-13 ビデオ信号処理装置
JP18202789A JP2821184B2 (ja) 1989-07-13 1989-07-13 非線形エンフアシス回路

Publications (2)

Publication Number Publication Date
DE69027255D1 true DE69027255D1 (de) 1996-07-11
DE69027255T2 DE69027255T2 (de) 1996-11-07

Family

ID=27475027

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69027255T Expired - Fee Related DE69027255T2 (de) 1989-07-13 1990-07-11 Verarbeitungsgerät für Videosignale

Country Status (3)

Country Link
US (1) US5144434A (de)
EP (1) EP0408007B1 (de)
DE (1) DE69027255T2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5280353A (en) * 1989-08-15 1994-01-18 Rank Cintel Limited Method and apparatus for signal processing by interpolation and filtering with simultaneous frequency response compensation and offset generation
EP0563846A1 (de) * 1992-03-30 1993-10-06 Matsushita Electric Industrial Co., Ltd. Öffnungskorrektur mit dynamischer Verzerrung zur Benutzung mit einer CCD-Kamera
KR950007310B1 (ko) * 1993-03-29 1995-07-07 삼성전자주식회사 디지탈 비선형 프리-엠퍼시스/디-엠퍼시스
JP3459563B2 (ja) * 1998-03-06 2003-10-20 パイオニア株式会社 波形等化器および記録情報再生装置
US6144862A (en) 1998-07-28 2000-11-07 Motorola, Inc. Pulse-shaping look-up table with transient suppression
JP2004515134A (ja) * 2000-11-22 2004-05-20 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ 映像信号処理
WO2003005356A2 (en) * 2001-07-02 2003-01-16 Koninklijke Philips Electronics N.V. Waveform equalizer for obtaining a corrected signal and apparatus for reproducing information
US7375573B2 (en) * 2006-05-25 2008-05-20 Micron Technology, Inc. De-emphasis system and method for coupling digital signals through capacitively loaded lines

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55117712A (en) * 1979-02-28 1980-09-10 Matsushita Electric Ind Co Ltd Noise reduction circuit of video signal recording and reproducing device
US4264918A (en) * 1979-04-05 1981-04-28 Rca Corporation Automatic chroma gain control circuits useful in secam coders
DE3319438A1 (de) * 1983-05-28 1984-11-29 Robert Bosch Gmbh, 7000 Stuttgart System zur verminderung des rauschens in einem fernsehsignal
JPS6030296A (ja) * 1983-07-29 1985-02-15 Victor Co Of Japan Ltd 映像信号記録装置及び映像信号記録再生装置
JPS6093682A (ja) * 1983-10-25 1985-05-25 Sony Corp デイジタル非線形プリエンフアシス回路
US4635098A (en) * 1984-01-09 1987-01-06 Tektronix, Inc. Method and system for improved reconstruction of video images in line sequential chroma format
JPS60158785A (ja) * 1984-01-30 1985-08-20 Nippon Hoso Kyokai <Nhk> 画像信号帯域圧縮伝送方式
JPS60208191A (ja) * 1984-03-31 1985-10-19 Toshiba Corp 広帯域画像信号伝送方式
JPH0636602B2 (ja) * 1984-09-21 1994-05-11 株式会社日立製作所 雑音低減回路
JPS61121574A (ja) * 1984-11-19 1986-06-09 Hitachi Ltd ビデオ信号処理回路
US4760449A (en) * 1985-04-03 1988-07-26 Matsushita Electric Industrial Co., Ltd. Video signal processing apparatus
JPS6288495A (ja) * 1985-10-14 1987-04-22 Fuji Photo Film Co Ltd 磁気記録装置の色差線順次回路
US4849826A (en) * 1986-11-14 1989-07-18 Matsushita Electric Industrial Co., Ltd. Digital non-linear pre-emphasis/de-emphasis apparatus for eliminating noise components from video signals in a video signal processing system
US4941055A (en) * 1986-12-09 1990-07-10 Canon Kabushiki Kaisha Recording apparatus with improved S/N ratio
US4926361A (en) * 1987-09-22 1990-05-15 Hitachi, Ltd. Digital noise reducer

Also Published As

Publication number Publication date
US5144434A (en) 1992-09-01
EP0408007A1 (de) 1991-01-16
EP0408007B1 (de) 1996-06-05
DE69027255T2 (de) 1996-11-07

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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