GB2335562B - Video input level control circuit in a video appliance - Google Patents

Video input level control circuit in a video appliance

Info

Publication number
GB2335562B
GB2335562B GB9912188A GB9912188A GB2335562B GB 2335562 B GB2335562 B GB 2335562B GB 9912188 A GB9912188 A GB 9912188A GB 9912188 A GB9912188 A GB 9912188A GB 2335562 B GB2335562 B GB 2335562B
Authority
GB
United Kingdom
Prior art keywords
video
control circuit
level control
input level
appliance
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
GB9912188A
Other versions
GB9912188D0 (en
GB2335562A (en
Inventor
Eun A Cha
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.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
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 KR1019960076827A external-priority patent/KR100254766B1/en
Priority claimed from KR1019970031282A external-priority patent/KR100262366B1/en
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Priority claimed from GB9727412A external-priority patent/GB2321155B/en
Publication of GB9912188D0 publication Critical patent/GB9912188D0/en
Publication of GB2335562A publication Critical patent/GB2335562A/en
Application granted granted Critical
Publication of GB2335562B publication Critical patent/GB2335562B/en
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
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/57—Control of contrast or brightness
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/10—Intensity circuits
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0606—Manual adjustment
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0626—Adjustment of display parameters for control of overall brightness
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/066—Adjustment of display parameters for control of contrast
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/66—Transforming electric information into light information
    • H04N5/68—Circuit details for cathode-ray display tubes
    • 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
    • H04N9/641—Multi-purpose receivers, e.g. for auxiliary information

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)
GB9912188A 1996-12-30 1997-12-29 Video input level control circuit in a video appliance Expired - Fee Related GB2335562B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR1019960076827A KR100254766B1 (en) 1996-12-30 1996-12-30 Circuit for selecting video input level by using micom
KR1019970031282A KR100262366B1 (en) 1997-07-07 1997-07-07 Video input level automatic selection circuit
GB9727412A GB2321155B (en) 1996-12-30 1997-12-29 Video input level control circuit in a video appliance

Publications (3)

Publication Number Publication Date
GB9912188D0 GB9912188D0 (en) 1999-07-28
GB2335562A GB2335562A (en) 1999-09-22
GB2335562B true GB2335562B (en) 1999-11-03

Family

ID=27269161

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9912188A Expired - Fee Related GB2335562B (en) 1996-12-30 1997-12-29 Video input level control circuit in a video appliance

Country Status (1)

Country Link
GB (1) GB2335562B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103680469B (en) * 2013-12-23 2015-12-30 深圳市华星光电技术有限公司 The method of adjustment of the brightness and contrast of a kind of liquid crystal display and liquid crystal display thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5550556A (en) * 1993-11-01 1996-08-27 Multivideo Labs, Inc. Transmitting data and commands to display monitors

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5550556A (en) * 1993-11-01 1996-08-27 Multivideo Labs, Inc. Transmitting data and commands to display monitors

Also Published As

Publication number Publication date
GB9912188D0 (en) 1999-07-28
GB2335562A (en) 1999-09-22

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20101229