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KR900004068U - Automatic screen brightness control circuit for TV - Google Patents

Automatic screen brightness control circuit for TV

Info

Publication number
KR900004068U
KR900004068U KR2019880012724U KR880012724U KR900004068U KR 900004068 U KR900004068 U KR 900004068U KR 2019880012724 U KR2019880012724 U KR 2019880012724U KR 880012724 U KR880012724 U KR 880012724U KR 900004068 U KR900004068 U KR 900004068U
Authority
KR
South Korea
Prior art keywords
control circuit
brightness control
screen brightness
automatic screen
automatic
Prior art date
Application number
KR2019880012724U
Other languages
Korean (ko)
Other versions
KR930006447Y1 (en
Inventor
김충렬
Original Assignee
주식회사 금성사
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 주식회사 금성사 filed Critical 주식회사 금성사
Priority to KR2019880012724U priority Critical patent/KR930006447Y1/en
Publication of KR900004068U publication Critical patent/KR900004068U/en
Application granted granted Critical
Publication of KR930006447Y1 publication Critical patent/KR930006447Y1/en

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
    • H04N3/18—Generation of supply voltages, in combination with electron beam deflecting

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Receiver Circuits (AREA)
  • Controls And Circuits For Display Device (AREA)
KR2019880012724U 1988-07-30 1988-07-30 Automatic tv screen brightness control circuit KR930006447Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019880012724U KR930006447Y1 (en) 1988-07-30 1988-07-30 Automatic tv screen brightness control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019880012724U KR930006447Y1 (en) 1988-07-30 1988-07-30 Automatic tv screen brightness control circuit

Publications (2)

Publication Number Publication Date
KR900004068U true KR900004068U (en) 1990-02-08
KR930006447Y1 KR930006447Y1 (en) 1993-09-24

Family

ID=19278134

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019880012724U KR930006447Y1 (en) 1988-07-30 1988-07-30 Automatic tv screen brightness control circuit

Country Status (1)

Country Link
KR (1) KR930006447Y1 (en)

Also Published As

Publication number Publication date
KR930006447Y1 (en) 1993-09-24

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Legal Events

Date Code Title Description
UA0108 Application for utility model registration

Comment text: Application for Utility Model Registration

Patent event code: UA01011R08D

Patent event date: 19880730

UG1501 Laying open of application
A201 Request for examination
UA0201 Request for examination

Patent event date: 19910724

Patent event code: UA02012R01D

Comment text: Request for Examination of Application

Patent event date: 19880730

Patent event code: UA02011R01I

Comment text: Application for Utility Model Registration

UG1604 Publication of application

Patent event code: UG16041S01I

Comment text: Decision on Publication of Application

Patent event date: 19930831

E701 Decision to grant or registration of patent right
UE0701 Decision of registration

Patent event date: 19931215

Comment text: Decision to Grant Registration

Patent event code: UE07011S01D

REGI Registration of establishment
UR0701 Registration of establishment

Patent event date: 19940110

Patent event code: UR07011E01D

Comment text: Registration of Establishment

UR1002 Payment of registration fee

Start annual number: 1

End annual number: 3

Payment date: 19940110

LAPS Lapse due to unpaid annual fee
UC1903 Unpaid annual fee

Termination date: 19971210

Termination category: Default of registration fee