DE3853540D1 - Bildempfängersteuerung. - Google Patents

Bildempfängersteuerung.

Info

Publication number
DE3853540D1
DE3853540D1 DE3853540T DE3853540T DE3853540D1 DE 3853540 D1 DE3853540 D1 DE 3853540D1 DE 3853540 T DE3853540 T DE 3853540T DE 3853540 T DE3853540 T DE 3853540T DE 3853540 D1 DE3853540 D1 DE 3853540D1
Authority
DE
Germany
Prior art keywords
image receiver
receiver control
control
image
receiver
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
DE3853540T
Other languages
English (en)
Other versions
DE3853540T2 (de
Inventor
Isao Kawahara
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE3853540D1 publication Critical patent/DE3853540D1/de
Publication of DE3853540T2 publication Critical patent/DE3853540T2/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
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/16—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level
    • 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
    • H04N5/16—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level
    • H04N5/18—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level by means of "clamp" circuit operated by switching circuit
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/52—Automatic gain control
    • H04N5/53—Keyed automatic gain control

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Analogue/Digital Conversion (AREA)
DE3853540T 1988-11-17 1988-11-17 Bildempfängersteuerung. Expired - Fee Related DE3853540T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP1988/001159 WO1990006035A1 (en) 1988-11-17 1988-11-17 Picture receiver controller

Publications (2)

Publication Number Publication Date
DE3853540D1 true DE3853540D1 (de) 1995-05-11
DE3853540T2 DE3853540T2 (de) 1996-01-04

Family

ID=13930876

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3853540T Expired - Fee Related DE3853540T2 (de) 1988-11-17 1988-11-17 Bildempfängersteuerung.

Country Status (5)

Country Link
US (1) US5087973A (de)
EP (1) EP0396746B1 (de)
KR (2) KR930010616B1 (de)
DE (1) DE3853540T2 (de)
WO (1) WO1990006035A1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5121230A (en) * 1987-01-19 1992-06-09 Canon Kabushiki Kaisha Image reading apparatus having adjusting circuits for matching the level of and compensating for fluctuation among a plurality of sensing elements
US7382929B2 (en) * 1989-05-22 2008-06-03 Pixel Instruments Corporation Spatial scan replication circuit
WO1991007844A1 (en) * 1989-11-15 1991-05-30 Rank Cintel Limited Improvements in and relating to flying spot scanners
DE69130413D1 (de) * 1990-08-30 1998-12-03 Canon Kk Bildsignalverarbeitung
JP3143117B2 (ja) * 1990-09-25 2001-03-07 キヤノン株式会社 信号処理装置
US5410365A (en) * 1992-04-02 1995-04-25 Sony Corporation Video camera with coarse analog and fine digital black level adjustment
FR2691026B1 (fr) * 1992-05-07 1997-01-03 Thomson Csf Convertisseur analogique-numerique et boucle d'asservissement utilisant un tel convertisseur.
US6469741B2 (en) 1993-07-26 2002-10-22 Pixel Instruments Corp. Apparatus and method for processing television signals
JPH0830249A (ja) * 1994-07-11 1996-02-02 Rohm Co Ltd 高速画像濃度変換装置
US5978329A (en) 1995-06-07 1999-11-02 Discovision Associates Technique for closed loop servo operation in optical disc tracking control
KR0155616B1 (ko) * 1995-06-30 1998-11-16 문정환 영상 신호 클램프 회로
CN1077715C (zh) 1995-12-06 2002-01-09 迪维安公司 聚焦控制的装置和方法
US5689485A (en) 1996-04-01 1997-11-18 Discovision Associates Tracking control apparatus and method
JP3277984B2 (ja) * 1997-03-31 2002-04-22 日本電気株式会社 映像信号処理装置
JP2001502875A (ja) 1997-07-14 2001-02-27 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 周囲光依存ビデオ信号処理
EP1071281B1 (de) * 1998-03-06 2003-06-04 Matsushita Electric Industrial Co., Ltd. Vorrichtung und verfahren zur automatischen luminanzregelung
US6529248B1 (en) * 2000-03-29 2003-03-04 Zilog, Inc. Method and apparatus for improved signal restoration
DE10042281A1 (de) * 2000-08-29 2002-03-14 Philips Corp Intellectual Pty Schaltungsanordnung zur Regenerierung des Schwarzwertes von Videosignalen
JP2006005559A (ja) * 2004-06-16 2006-01-05 Toshiba Corp 映像信号処理装置及び映像信号処理方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2105547A (en) * 1981-09-11 1983-03-23 Philips Electronic Associated Clamping video signals
JPS58124373A (ja) * 1982-01-21 1983-07-23 Nippon Hoso Kyokai <Nhk> 信号クランプ方式
JPH063909B2 (ja) * 1985-03-05 1994-01-12 ソニー株式会社 デ−タ伝送方式
JP2659703B2 (ja) * 1986-01-27 1997-09-30 日本放送協会 多重サブサンプル伝送信号のデコーダ
JP2601810B2 (ja) * 1986-12-22 1997-04-16 株式会社東芝 雑音低減回路
JPS63187778A (ja) * 1987-01-29 1988-08-03 Fujitsu Ltd 画像伝送装置
NL8700294A (nl) * 1987-02-09 1988-09-01 At & T & Philips Telecomm Klemcircuit voor een televisietransmissiesysteem.
JPS63222589A (ja) * 1987-03-12 1988-09-16 Toshiba Corp ノイズ低減回路
JPS63222582A (ja) * 1987-03-12 1988-09-16 Sanyo Electric Co Ltd クランプ回路

Also Published As

Publication number Publication date
DE3853540T2 (de) 1996-01-04
KR900702704A (ko) 1990-12-08
EP0396746A1 (de) 1990-11-14
EP0396746B1 (de) 1995-04-05
US5087973A (en) 1992-02-11
EP0396746A4 (en) 1991-05-08
KR930010616B1 (ko) 1993-10-30
WO1990006035A1 (en) 1990-05-31

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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