DE69738797D1 - Einstellung des schwarzwerts - Google Patents

Einstellung des schwarzwerts

Info

Publication number
DE69738797D1
DE69738797D1 DE69738797T DE69738797T DE69738797D1 DE 69738797 D1 DE69738797 D1 DE 69738797D1 DE 69738797 T DE69738797 T DE 69738797T DE 69738797 T DE69738797 T DE 69738797T DE 69738797 D1 DE69738797 D1 DE 69738797D1
Authority
DE
Germany
Prior art keywords
adjusting
black value
black
value
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 - Lifetime
Application number
DE69738797T
Other languages
English (en)
Inventor
Den Broeke Leendert Albert Van
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.)
Entropic Communications LLC
Original Assignee
NXP BV
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 NXP BV filed Critical NXP BV
Application granted granted Critical
Publication of DE69738797D1 publication Critical patent/DE69738797D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • 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
    • H04N5/57—Control of contrast or brightness
    • H04N5/59—Control of contrast or brightness in dependence upon beam current of cathode ray tube
    • 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
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/645—Beam current control means
    • 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
    • H04N9/72—Circuits for processing colour signals for reinsertion of DC and slowly varying components of colour signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Processing Of Color Television Signals (AREA)
  • Picture Signal Circuits (AREA)
DE69738797T 1996-01-29 1997-01-16 Einstellung des schwarzwerts Expired - Lifetime DE69738797D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP96200192 1996-01-29
PCT/IB1997/000016 WO1997028525A2 (en) 1996-01-29 1997-01-16 Black level setting

Publications (1)

Publication Number Publication Date
DE69738797D1 true DE69738797D1 (de) 2008-08-14

Family

ID=8223614

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69738797T Expired - Lifetime DE69738797D1 (de) 1996-01-29 1997-01-16 Einstellung des schwarzwerts

Country Status (6)

Country Link
US (1) US5892337A (de)
EP (1) EP0818034B1 (de)
JP (1) JP4070239B2 (de)
KR (1) KR100429327B1 (de)
DE (1) DE69738797D1 (de)
WO (1) WO1997028525A2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10145807A (ja) * 1996-11-12 1998-05-29 Matsushita Electric Ind Co Ltd オートカットオフ回路
EP1125442B1 (de) * 1998-09-25 2003-12-03 STMicroelectronics Asia Pacific Pte Ltd. Digitaler sperrspannungsregelkreis mit dunkeltastung- und beschleunigungsschaltungen für fersehgerät
KR20010024995A (ko) * 1999-03-11 2001-03-26 롤페스 요하네스 게라투스 알베르투스 차단 레벨 설정 디바이스, 방법 및 디스플레이 장치
JP3844430B2 (ja) * 2001-06-26 2006-11-15 三菱電機株式会社 映像信号処理装置および映像信号処理方法
JP3722740B2 (ja) * 2001-11-05 2005-11-30 三菱電機株式会社 映像処理装置及び映像処理方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4370674A (en) * 1981-03-03 1983-01-25 Zenith Radio Corporation Stabilization network for a cathode ray tube
US5278476A (en) * 1991-11-13 1994-01-11 U.S. Philips Corporation Display device including a black level setting circuit

Also Published As

Publication number Publication date
US5892337A (en) 1999-04-06
JP4070239B2 (ja) 2008-04-02
WO1997028525A2 (en) 1997-08-07
EP0818034B1 (de) 2008-07-02
EP0818034A2 (de) 1998-01-14
WO1997028525A3 (en) 1997-10-02
JPH11503589A (ja) 1999-03-26
KR100429327B1 (ko) 2004-07-31
KR19980703518A (ko) 1998-11-05

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Legal Events

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