BR8401618A - Circuito de reducao de interferencia para sinal de video - Google Patents

Circuito de reducao de interferencia para sinal de video

Info

Publication number
BR8401618A
BR8401618A BR8401618A BR8401618A BR8401618A BR 8401618 A BR8401618 A BR 8401618A BR 8401618 A BR8401618 A BR 8401618A BR 8401618 A BR8401618 A BR 8401618A BR 8401618 A BR8401618 A BR 8401618A
Authority
BR
Brazil
Prior art keywords
video signal
reduction circuit
interference reduction
interference
circuit
Prior art date
Application number
BR8401618A
Other languages
English (en)
Portuguese (pt)
Inventor
Shintaro Nakagaki
Ichiro Negishi
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
Priority claimed from JP58061295A external-priority patent/JPS59186474A/ja
Priority claimed from JP11685183U external-priority patent/JPS6025280U/ja
Application filed by Victor Company Of Japan filed Critical Victor Company Of Japan
Publication of BR8401618A publication Critical patent/BR8401618A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
BR8401618A 1983-04-07 1984-04-06 Circuito de reducao de interferencia para sinal de video BR8401618A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP58061295A JPS59186474A (ja) 1983-04-07 1983-04-07 映像信号処理回路
JP11685183U JPS6025280U (ja) 1983-07-27 1983-07-27 映像信号の処理回路

Publications (1)

Publication Number Publication Date
BR8401618A true BR8401618A (pt) 1984-11-13

Family

ID=26402333

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8401618A BR8401618A (pt) 1983-04-07 1984-04-06 Circuito de reducao de interferencia para sinal de video

Country Status (8)

Country Link
US (1) US4575760A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AU (1) AU558091B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BR (1) BR8401618A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1202413A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3412529A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2544147B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB2141303B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL189538C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6184972A (ja) * 1984-10-03 1986-04-30 Hitachi Ltd 映像信号の垂直方向エンフアシス回路
JPS61121574A (ja) * 1984-11-19 1986-06-09 Hitachi Ltd ビデオ信号処理回路
US4703343A (en) * 1984-12-25 1987-10-27 Matsushita Electric Industrial Co., Ltd. Noise reduction feedback type comb filter
US4760449A (en) * 1985-04-03 1988-07-26 Matsushita Electric Industrial Co., Ltd. Video signal processing apparatus
JPS6258793A (ja) * 1985-09-03 1987-03-14 Victor Co Of Japan Ltd テレビジヨン信号の同時化回路
US4713694A (en) * 1985-09-09 1987-12-15 Hughes Aircraft Company Noninvasive DC restoration to upgrade AC coupled systems
US4750037A (en) * 1985-10-07 1988-06-07 Victor Company Of Japan, Ltd. Noise reduction system for video signal
US4882618A (en) * 1987-04-15 1989-11-21 Kabushiki Kaisha Toshiba FM signal demodulator for video signal reproducing apparatus
JPH01204573A (ja) * 1988-02-10 1989-08-17 Sony Corp 雑音低減回路
DE3927101A1 (de) * 1989-08-17 1991-02-21 Nokia Unterhaltungselektronik Verfahren und schaltung zum bearbeiten von luminanzsignalen
JPH03112275A (ja) * 1989-09-27 1991-05-13 Sony Corp 雑音低減回路
JPH0468923A (ja) * 1990-07-09 1992-03-04 Sony Corp ノンリニアプリエンファシス・デエンファシスシステム
US5818972A (en) * 1995-06-07 1998-10-06 Realnetworks, Inc. Method and apparatus for enhancing images using helper signals

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPS55156479A (en) * 1979-05-23 1980-12-05 Matsushita Electric Ind Co Ltd Noise reducing device
JPS57211885A (en) * 1981-06-22 1982-12-25 Victor Co Of Japan Ltd Noise reduction circuit
US4443817A (en) * 1981-11-25 1984-04-17 Faroudja Y C Chroma noise reduction system for quadrature modulated color television picture signals

Also Published As

Publication number Publication date
US4575760A (en) 1986-03-11
DE3412529A1 (de) 1984-10-18
GB2141303B (en) 1986-11-05
FR2544147A1 (fr) 1984-10-12
GB8409187D0 (en) 1984-05-16
AU558091B2 (en) 1987-01-15
NL8401045A (nl) 1984-11-01
CA1202413A (en) 1986-03-25
NL189538B (nl) 1992-12-01
DE3412529C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1986-11-06
NL189538C (nl) 1993-05-03
GB2141303A (en) 1984-12-12
FR2544147B1 (fr) 1992-10-02
AU2645084A (en) 1984-10-11

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Legal Events

Date Code Title Description
B21A Expiry acc. art. 78, item i of ipl- expiry of the term of protection

Free format text: PATENTE EXTINTA EM 06/04/99