DE3632862C2 - - Google Patents

Info

Publication number
DE3632862C2
DE3632862C2 DE3632862A DE3632862A DE3632862C2 DE 3632862 C2 DE3632862 C2 DE 3632862C2 DE 3632862 A DE3632862 A DE 3632862A DE 3632862 A DE3632862 A DE 3632862A DE 3632862 C2 DE3632862 C2 DE 3632862C2
Authority
DE
Germany
Prior art keywords
signal
signals
circuit
generates
maximum level
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
Application number
DE3632862A
Other languages
German (de)
English (en)
Other versions
DE3632862A1 (de
Inventor
Toshimitsu Kazo Saitama Jp Umezawa
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
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 Toshiba Corp filed Critical Toshiba Corp
Publication of DE3632862A1 publication Critical patent/DE3632862A1/de
Application granted granted Critical
Publication of DE3632862C2 publication Critical patent/DE3632862C2/de
Granted 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
    • H04N5/20—Circuitry for controlling amplitude response
    • H04N5/205—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic
    • 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
    • H04N5/142—Edging; Contouring

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
DE19863632862 1985-09-30 1986-09-26 Bildqualitaets-korrekturschaltung Granted DE3632862A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60216395A JPS6276871A (ja) 1985-09-30 1985-09-30 画質補正回路

Publications (2)

Publication Number Publication Date
DE3632862A1 DE3632862A1 (de) 1987-04-09
DE3632862C2 true DE3632862C2 (OSRAM) 1988-04-21

Family

ID=16687889

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19863632862 Granted DE3632862A1 (de) 1985-09-30 1986-09-26 Bildqualitaets-korrekturschaltung

Country Status (5)

Country Link
US (1) US4811100A (OSRAM)
JP (1) JPS6276871A (OSRAM)
KR (1) KR910001166B1 (OSRAM)
DE (1) DE3632862A1 (OSRAM)
GB (1) GB2181320B (OSRAM)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH078050B2 (ja) * 1988-03-02 1995-01-30 株式会社東芝 輝度信号色信号分離回路
JPH0265471A (ja) * 1988-08-31 1990-03-06 Matsushita Electric Ind Co Ltd 輪郭補正装置
JP2692897B2 (ja) * 1988-09-30 1997-12-17 株式会社東芝 輝度信号・色信号分離回路
JPH03173289A (ja) * 1989-12-01 1991-07-26 Toshiba Corp 最大値／最小値回路
KR930002906B1 (ko) * 1989-12-23 1993-04-15 삼성전자 주식회사 윤곽 보정회로
DE69123780T2 (de) * 1990-04-27 1997-05-07 Canon Kk Gerät zur Verarbeitung von Bildsignalen zwecks Verbesserung der Kantensteilheit
JPH0757009B2 (ja) * 1991-03-26 1995-06-14 松下電器産業株式会社 輪郭補正装置
US5546135A (en) * 1992-02-28 1996-08-13 Matsushita Electric Industrial Co., Ltd. Contour restoration apparatus
DE4214949A1 (de) * 1992-05-06 1993-11-11 Nokia Deutschland Gmbh Anordnung zur zeitlichen Detektion einer Signalflanke eines auf einer Übertragungsleitung übertragenen elektrischen Signals
KR0135735B1 (ko) * 1992-11-04 1998-05-15 기다오까 다까시 소음발생을 억제하는 개량된 출력 드라이버 회로 및 번인테스트를 위한 개량된 반도체 집적회로 장치
DE4336883C2 (de) * 1992-11-04 1998-01-29 Mitsubishi Electric Corp Ausgangstreiberschaltung
JP2000032299A (ja) * 1998-07-08 2000-01-28 Sony Corp 映像信号輪郭補正回路
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 (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3140761C2 (de) * 1981-10-14 1983-08-11 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltung zur Versteilerung der Flanken eines Videosignals, insbesondere für einen Videorecorder
JPS58219872A (ja) * 1982-06-15 1983-12-21 Pioneer Electronic Corp 輪郭補正回路
JPS60114090A (ja) * 1983-11-26 1985-06-20 Toshiba Corp 垂直輪郭補正装置
GB2151429B (en) * 1983-11-26 1987-03-18 Toshiba Kk Vertical contour correction device
US4665432A (en) * 1984-01-30 1987-05-12 Sharp Kabushiki Kaisha Video contour correction system
JPS6170585A (ja) * 1984-09-13 1986-04-11 日本テレビジヨン工業株式会社 テレビジョン信号発生回路
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

Also Published As

Publication number Publication date
GB8622828D0 (en) 1986-10-29
KR880004680A (ko) 1988-06-07
DE3632862A1 (de) 1987-04-09
JPS6276871A (ja) 1987-04-08
GB2181320A (en) 1987-04-15
KR910001166B1 (ko) 1991-02-25
GB2181320B (en) 1989-09-20
US4811100A (en) 1989-03-07

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee