EP0067887A4 - Circuit de reglage de la qualite de l'image. - Google Patents

Circuit de reglage de la qualite de l'image.

Info

Publication number
EP0067887A4
EP0067887A4 EP19820900139 EP82900139A EP0067887A4 EP 0067887 A4 EP0067887 A4 EP 0067887A4 EP 19820900139 EP19820900139 EP 19820900139 EP 82900139 A EP82900139 A EP 82900139A EP 0067887 A4 EP0067887 A4 EP 0067887A4
Authority
EP
European Patent Office
Prior art keywords
picture quality
adjusting circuit
quality adjusting
picture
circuit
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.)
Withdrawn
Application number
EP19820900139
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0067887A1 (en
Inventor
Mitsuru Hosoya
Takao Tsuchiya
Naokuni Toyoda
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Publication of EP0067887A1 publication Critical patent/EP0067887A1/en
Publication of EP0067887A4 publication Critical patent/EP0067887A4/fr
Withdrawn legal-status Critical Current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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
EP19820900139 1980-12-26 1981-12-25 Circuit de reglage de la qualite de l'image. Withdrawn EP0067887A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP55186495A JPS57109479A (en) 1980-12-26 1980-12-26 Picture quality adjusting circuit
JP186495/80 1980-12-26

Publications (2)

Publication Number Publication Date
EP0067887A1 EP0067887A1 (en) 1982-12-29
EP0067887A4 true EP0067887A4 (fr) 1985-12-02

Family

ID=16189481

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19820900139 Withdrawn EP0067887A4 (fr) 1980-12-26 1981-12-25 Circuit de reglage de la qualite de l'image.

Country Status (6)

Country Link
US (1) US4559558A (enrdf_load_stackoverflow)
EP (1) EP0067887A4 (enrdf_load_stackoverflow)
JP (1) JPS57109479A (enrdf_load_stackoverflow)
GB (1) GB2104342A (enrdf_load_stackoverflow)
NL (1) NL8120489A (enrdf_load_stackoverflow)
WO (1) WO1982002312A1 (enrdf_load_stackoverflow)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3400674C1 (de) * 1984-01-11 1985-03-21 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Schaltung zur Versteilerung der Flanken eines Videosignals
JPS62239670A (ja) * 1986-04-11 1987-10-20 Ikegami Tsushinki Co Ltd 輪郭強調装置
JP2704624B2 (ja) * 1988-03-16 1998-01-26 キヤノン株式会社 撮像装置
JP2652793B2 (ja) * 1988-03-16 1997-09-10 キヤノン株式会社 撮像装置
JPH0252575A (ja) * 1988-08-16 1990-02-22 Nippon Hoso Kyokai <Nhk> 画質調整回路
EP0367316B1 (en) * 1988-10-04 1993-09-08 Koninklijke Philips Electronics N.V. Picture signal processing circuit for improving high-frequency picture resolution upon picture signal display
GB2253964A (en) * 1991-03-20 1992-09-23 Rank Cintel Ltd Treatment of video signals produced by aperture correctors
JP2599334B2 (ja) * 1993-01-21 1997-04-09 パイオニア株式会社 リミッタ回路
DE69428034T2 (de) * 1993-11-08 2002-04-18 Sony Corp., Tokio/Tokyo Bildsignalkodierung und -dekodierung
US5760403A (en) * 1996-04-18 1998-06-02 Loral Fairchild Corp. High modulation transfer function CCD X-ray image sensor apparatus and method
US6172718B1 (en) * 1998-04-17 2001-01-09 S3 Incorporated Adaptive dynamic aperture correction
KR100444997B1 (ko) * 2002-02-21 2004-08-21 삼성전자주식회사 윤곽 보정 방법 및 이에 적합한 장치
US20090257676A1 (en) * 2008-04-09 2009-10-15 Masafumi Naka Systems and methods for picture edge enhancement
US20130050273A1 (en) * 2010-04-23 2013-02-28 Nec Display Solutions, Ltd. Display device, display system, displaying method, and program

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3560645A (en) * 1970-03-27 1971-02-02 Gen Electric Television camera gain control circuit with compressed wide contrast range response
US4091420A (en) * 1976-01-09 1978-05-23 Victor Company Of Japan, Limited Video amplifier

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3838598A (en) * 1969-03-28 1974-10-01 Brunswick Corp Capillary flow meter
DE2326620C3 (de) * 1973-05-25 1979-08-02 Robert Bosch Gmbh, 7000 Stuttgart Schaltungsanordnung zur Erzeugung eines Korrektursignals für die Aperturkorrektur von Videosignalen
JPS562964B2 (enrdf_load_stackoverflow) * 1973-11-13 1981-01-22
US3984865A (en) * 1975-03-26 1976-10-05 Rca Corporation Transient suppression in television video systems
US4263616A (en) * 1979-12-03 1981-04-21 Zenith Radio Corporation Signal peaking method and apparatus
JPS5691590A (en) * 1979-12-26 1981-07-24 Toshiba Corp Picture quality regulating circuit
DE3103099C2 (de) * 1981-01-30 1987-01-22 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur Erzeugung eines Aperturkorrektursignals
US4414564A (en) * 1981-12-28 1983-11-08 Magnavox Consumer Electronics Company Nonlinear edge peaking system and method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3560645A (en) * 1970-03-27 1971-02-02 Gen Electric Television camera gain control circuit with compressed wide contrast range response
US4091420A (en) * 1976-01-09 1978-05-23 Victor Company Of Japan, Limited Video amplifier

Also Published As

Publication number Publication date
US4559558A (en) 1985-12-17
EP0067887A1 (en) 1982-12-29
GB2104342A (en) 1983-03-02
JPH021428B2 (enrdf_load_stackoverflow) 1990-01-11
WO1982002312A1 (en) 1982-07-08
NL8120489A (nl) 1982-11-01
JPS57109479A (en) 1982-07-07

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): FR

17P Request for examination filed

Effective date: 19830110

17Q First examination report despatched

Effective date: 19880128

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

18W Application withdrawn

Withdrawal date: 19880606

RIN1 Information on inventor provided before grant (corrected)

Inventor name: TSUCHIYA, TAKAO

Inventor name: HOSOYA, MITSURU

Inventor name: TOYODA, NAOKUNI