JPS5662487A - Automatic luminance adjusting circuit - Google Patents

Automatic luminance adjusting circuit

Info

Publication number
JPS5662487A
JPS5662487A JP13966079A JP13966079A JPS5662487A JP S5662487 A JPS5662487 A JP S5662487A JP 13966079 A JP13966079 A JP 13966079A JP 13966079 A JP13966079 A JP 13966079A JP S5662487 A JPS5662487 A JP S5662487A
Authority
JP
Japan
Prior art keywords
gain
video amplifier
circuit
luminance
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.)
Granted
Application number
JP13966079A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6324356B2 (enrdf_load_stackoverflow
Inventor
Yutaka Tanaka
Atsushi Matsuzaki
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
Priority to JP13966079A priority Critical patent/JPS5662487A/ja
Publication of JPS5662487A publication Critical patent/JPS5662487A/ja
Publication of JPS6324356B2 publication Critical patent/JPS6324356B2/ja
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
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/57—Control of contrast or brightness

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Television Receiver Circuits (AREA)
JP13966079A 1979-10-29 1979-10-29 Automatic luminance adjusting circuit Granted JPS5662487A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13966079A JPS5662487A (en) 1979-10-29 1979-10-29 Automatic luminance adjusting circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13966079A JPS5662487A (en) 1979-10-29 1979-10-29 Automatic luminance adjusting circuit

Publications (2)

Publication Number Publication Date
JPS5662487A true JPS5662487A (en) 1981-05-28
JPS6324356B2 JPS6324356B2 (enrdf_load_stackoverflow) 1988-05-20

Family

ID=15250436

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13966079A Granted JPS5662487A (en) 1979-10-29 1979-10-29 Automatic luminance adjusting circuit

Country Status (1)

Country Link
JP (1) JPS5662487A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2640839A1 (fr) * 1988-12-20 1990-06-22 Portenseigne Radiotechnique Appareil de reproduction d'image video muni d'un reglage de contraste, et procede de reglage du contraste d'un tel appareil de reproduction

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5126835A (enrdf_load_stackoverflow) * 1974-08-28 1976-03-05 Kojin Kk

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5126835A (enrdf_load_stackoverflow) * 1974-08-28 1976-03-05 Kojin Kk

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2640839A1 (fr) * 1988-12-20 1990-06-22 Portenseigne Radiotechnique Appareil de reproduction d'image video muni d'un reglage de contraste, et procede de reglage du contraste d'un tel appareil de reproduction

Also Published As

Publication number Publication date
JPS6324356B2 (enrdf_load_stackoverflow) 1988-05-20

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