DE3863634D1 - Schaltung zur unterdrueckung von farbnebensprechkomponenten in einem farbtraegersignal. - Google Patents

Schaltung zur unterdrueckung von farbnebensprechkomponenten in einem farbtraegersignal.

Info

Publication number
DE3863634D1
DE3863634D1 DE8888312021T DE3863634T DE3863634D1 DE 3863634 D1 DE3863634 D1 DE 3863634D1 DE 8888312021 T DE8888312021 T DE 8888312021T DE 3863634 T DE3863634 T DE 3863634T DE 3863634 D1 DE3863634 D1 DE 3863634D1
Authority
DE
Germany
Prior art keywords
color
balconomic
circuit
components
carrier signal
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 - Lifetime
Application number
DE8888312021T
Other languages
English (en)
Inventor
Hiroshi Yamada
Ryo Nakano
Yasutoshi Matsuo
Seiichi Mikami
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.)
Victor Company of Japan Ltd
Original Assignee
Victor Company of Japan 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
Priority claimed from JP32087287A external-priority patent/JPH01162090A/ja
Priority claimed from JP12057688A external-priority patent/JPH0657069B2/ja
Application filed by Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Application granted granted Critical
Publication of DE3863634D1 publication Critical patent/DE3863634D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04N9/7908—Suppression of interfering signals at the reproducing side, e.g. noise
    • H04N9/7917—Suppression of interfering signals at the reproducing side, e.g. noise the interfering signals being cross-talk signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/646—Circuits for processing colour signals for image enhancement, e.g. vertical detail restoration, cross-colour elimination, contour correction, chrominance trapping filters
    • 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
    • H04N9/83—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 recorded chrominance signal occupying a frequency band under the frequency band of the recorded brightness signal
    • 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
    • H04N9/83—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 recorded chrominance signal occupying a frequency band under the frequency band of the recorded brightness signal
    • H04N9/84—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 recorded chrominance signal occupying a frequency band under the frequency band of the recorded brightness signal the recorded signal showing a feature, which is different in adjacent track parts, e.g. different phase or frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
DE8888312021T 1987-12-18 1988-12-19 Schaltung zur unterdrueckung von farbnebensprechkomponenten in einem farbtraegersignal. Expired - Lifetime DE3863634D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP32087287A JPH01162090A (ja) 1987-12-18 1987-12-18 色信号のクロストーク除去回路
JP12057688A JPH0657069B2 (ja) 1988-05-19 1988-05-19 カラー映像信号再生装置

Publications (1)

Publication Number Publication Date
DE3863634D1 true DE3863634D1 (de) 1991-08-14

Family

ID=26458128

Family Applications (2)

Application Number Title Priority Date Filing Date
DE3889342T Expired - Lifetime DE3889342T2 (de) 1987-12-18 1988-12-19 Schaltung zur Unterdrückung von Farbnebensprechkomponenten in einem Farbträgersignal.
DE8888312021T Expired - Lifetime DE3863634D1 (de) 1987-12-18 1988-12-19 Schaltung zur unterdrueckung von farbnebensprechkomponenten in einem farbtraegersignal.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE3889342T Expired - Lifetime DE3889342T2 (de) 1987-12-18 1988-12-19 Schaltung zur Unterdrückung von Farbnebensprechkomponenten in einem Farbträgersignal.

Country Status (3)

Country Link
US (2) US4930005A (de)
EP (2) EP0411725B1 (de)
DE (2) DE3889342T2 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0233294A (ja) * 1988-07-22 1990-02-02 Mitsubishi Electric Corp 色信号処理回路
US5153741A (en) * 1988-08-05 1992-10-06 Victor Company Of Japan, Ltd. Crosstalk cancelling circuit for playback chrominance signal of VTR
JPH0251489U (de) * 1988-10-06 1990-04-11
EP0392977B1 (de) * 1989-04-10 1993-11-10 GRETAG Aktiengesellschaft Kompensationsschaltung zur Korrektur von Bildfehlern eines Bildprojektionssystems
DE3939520A1 (de) * 1989-11-30 1991-06-06 Nokia Unterhaltungselektronik Schaltung zum rueckgewinnen des chroma-signales
JP2840783B2 (ja) * 1990-03-08 1998-12-24 ソニー株式会社 ロジカルコムフィルタ
US5097347A (en) * 1990-11-01 1992-03-17 Samsung Electronics Co., Ltd. Method and apparatus for generating a playback clock from a 2.5 MHz chroma PLL
US5267027A (en) * 1991-04-30 1993-11-30 Sanyo Electric Co., Ltd. Comb filter-type Y/C separator circuit
JP2859526B2 (ja) * 1992-10-30 1999-02-17 三星電子株式会社 映像信号のノイズ除去回路
JP3290225B2 (ja) * 1993-01-13 2002-06-10 トウシバビデオプロダクツ プライベート リミテッド 自動利得調整回路
KR940020852A (ko) * 1993-02-01 1994-09-16 이헌조 영상신호 처리기기의 휘도 및 칼라 분리장치
JP3323611B2 (ja) * 1993-06-25 2002-09-09 株式会社日立製作所 Ｖｔｒ用周波数変換装置
JPH09215007A (ja) * 1996-02-01 1997-08-15 Sony Corp 映像信号処理回路
US5786871A (en) * 1996-04-01 1998-07-28 Tektronix, Inc. Constant luminance corrector
FR2748179A1 (fr) * 1996-04-24 1997-10-31 Thomson Multimedia Sa Decodeur numerique de signal composite de television couleur, en particulier decodeur numerique multistandard
US5870153A (en) * 1997-05-30 1999-02-09 Analog Devices, Inc. Adaptive comb filter that cancels hugand cross-luminance errors

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1431378A (en) * 1972-04-19 1976-04-07 Rca Corp Colour information translating systems
JPH0832067B2 (ja) * 1984-11-19 1996-03-27 ソニー株式会社 カラー映像信号の再生装置
JPH0683484B2 (ja) * 1985-04-25 1994-10-19 松下電器産業株式会社 くし形フイルタ
US4706113A (en) * 1985-02-18 1987-11-10 Mitsubishi Denki Kabushiki Kaisha Contour detecting filter device using PAL samples of composite video signals without separation of luminance signals therefrom
EP0218241A3 (de) * 1985-10-07 1988-11-23 Faroudja Laboratories, Inc. Zweidimensionaler Kammfilter
JPS62102697A (ja) * 1985-10-29 1987-05-13 Matsushita Electric Ind Co Ltd 磁気録画再生装置
JPH07123307B2 (ja) * 1986-05-20 1995-12-25 ソニー株式会社 Ｙ／ｃ分離回路
JPH07105929B2 (ja) * 1986-11-11 1995-11-13 松下電器産業株式会社 映像信号処理装置

Also Published As

Publication number Publication date
DE3889342D1 (de) 1994-06-01
US4930005A (en) 1990-05-29
EP0321312B1 (de) 1991-07-10
US4969033A (en) 1990-11-06
EP0411725A3 (en) 1991-05-02
DE3889342T2 (de) 1994-09-01
EP0321312A1 (de) 1989-06-21
EP0411725B1 (de) 1994-04-27
EP0411725A2 (de) 1991-02-06

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition