NL189540C - Ruisreductieschakeling voor een kleurenvideosignaal. - Google Patents

Ruisreductieschakeling voor een kleurenvideosignaal.

Info

Publication number
NL189540C
NL189540C NLAANVRAGE8401047,A NL8401047A NL189540C NL 189540 C NL189540 C NL 189540C NL 8401047 A NL8401047 A NL 8401047A NL 189540 C NL189540 C NL 189540C
Authority
NL
Netherlands
Prior art keywords
video signal
noise reduction
color video
reduction circuit
color
Prior art date
Application number
NLAANVRAGE8401047,A
Other languages
English (en)
Other versions
NL8401047A (nl
Original Assignee
Victor Company Of Japan
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 Victor Company Of Japan filed Critical Victor Company Of Japan
Publication of NL8401047A publication Critical patent/NL8401047A/nl
Application granted granted Critical
Publication of NL189540C publication Critical patent/NL189540C/nl

Links

Classifications

    • 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
    • H04N9/01—Circuitry for demodulating colour component signals modulated spatially by colour striped filters by phase separation

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
NLAANVRAGE8401047,A 1983-04-07 1984-04-03 Ruisreductieschakeling voor een kleurenvideosignaal. NL189540C (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP58061296A JPS59186493A (ja) 1983-04-07 1983-04-07 カラ−映像信号処理装置
JP6129683 1983-04-07

Publications (2)

Publication Number Publication Date
NL8401047A NL8401047A (nl) 1984-11-01
NL189540C true NL189540C (nl) 1993-05-03

Family

ID=13167086

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE8401047,A NL189540C (nl) 1983-04-07 1984-04-03 Ruisreductieschakeling voor een kleurenvideosignaal.

Country Status (7)

Country Link
US (1) US4612570A (nl)
JP (1) JPS59186493A (nl)
CA (1) CA1202410A (nl)
DE (1) DE3412407C2 (nl)
FR (1) FR2544146B1 (nl)
GB (1) GB2141603B (nl)
NL (1) NL189540C (nl)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4766487A (en) * 1986-08-13 1988-08-23 Sony Corporation Chrominance signal processing circuit
GB8700565D0 (en) * 1987-01-12 1987-02-18 Crosfield Electronics Ltd Video image enhancement
JPH0226487A (ja) * 1988-07-15 1990-01-29 Mitsubishi Electric Corp 色信号ノイズ低減回路
US4935806A (en) * 1988-12-30 1990-06-19 Zenith Electronics Corporation Chroma noise reduction and transient improvement
US5264924A (en) * 1989-12-18 1993-11-23 Eastman Kodak Company Mechanism for deriving noise-reduced estimates of color signal parameters from multiple color/luminance image sensor outputs
JP3322613B2 (ja) * 1997-08-27 2002-09-09 シャープ株式会社 映像信号変換器
KR100344807B1 (ko) * 2000-01-12 2002-07-20 엘지전자주식회사 영상 신호 보정 장치 및 방법

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4041528A (en) * 1975-02-20 1977-08-09 Victor Company Of Japan, Limited Color television signal generating apparatus for use in a single camera tube
US4009334A (en) * 1976-03-17 1977-02-22 Eastman Kodak Company Video noise reduction circuit
JPS6031302B2 (ja) * 1977-12-19 1985-07-22 ソニー株式会社 色信号の周波数特性改善回路
JPS5510228A (en) * 1978-07-05 1980-01-24 Nec Corp S/n improving unit for television video signal
JPS5935550B2 (ja) * 1979-03-12 1984-08-29 日本ビクター株式会社 カラ−テレビジヨン信号発生装置
JPS5768984A (en) * 1980-10-16 1982-04-27 Toshiba Corp Chroma signal processing circuit
US4563704A (en) * 1981-06-19 1986-01-07 Victor Company Of Japan, Ltd. Noise reduction circuit for a video signal
US4400721A (en) * 1981-07-13 1983-08-23 Albert Macovski Transition system for color television receivers
DE3269852D1 (en) * 1981-10-14 1986-04-17 Telefunken Fernseh & Rundfunk Circuit for reducing the rise-time of the flanks of a video signal, in particular for a video recorder
JPS58157285A (ja) * 1982-03-15 1983-09-19 Victor Co Of Japan Ltd 搬送色信号の雑音低減回路

Also Published As

Publication number Publication date
GB8409004D0 (en) 1984-05-16
FR2544146A1 (fr) 1984-10-12
FR2544146B1 (fr) 1988-09-16
CA1202410A (en) 1986-03-25
US4612570A (en) 1986-09-16
DE3412407A1 (de) 1984-10-18
JPS59186493A (ja) 1984-10-23
GB2141603B (en) 1987-04-29
GB2141603A (en) 1984-12-19
NL8401047A (nl) 1984-11-01
DE3412407C2 (de) 1986-11-13

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
V1 Lapsed because of non-payment of the annual fee

Effective date: 19961101