Nothing Special   »   [go: up one dir, main page]

JPS5221724A - Automatic brightness adjusting circuit - Google Patents

Automatic brightness adjusting circuit

Info

Publication number
JPS5221724A
JPS5221724A JP9772175A JP9772175A JPS5221724A JP S5221724 A JPS5221724 A JP S5221724A JP 9772175 A JP9772175 A JP 9772175A JP 9772175 A JP9772175 A JP 9772175A JP S5221724 A JPS5221724 A JP S5221724A
Authority
JP
Japan
Prior art keywords
adjusting circuit
brightness adjusting
automatic brightness
automatic
crt
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.)
Pending
Application number
JP9772175A
Other languages
Japanese (ja)
Inventor
Toshio Onodera
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 JP9772175A priority Critical patent/JPS5221724A/en
Publication of JPS5221724A publication Critical patent/JPS5221724A/en
Pending legal-status Critical Current

Links

Landscapes

  • Television Receiver Circuits (AREA)

Abstract

PURPOSE: Brightness adjustment without degrading resolution by increasing high voltage provided for CRT in response to the intensity of outer light.
COPYRIGHT: (C)1977,JPO&Japio
JP9772175A 1975-08-12 1975-08-12 Automatic brightness adjusting circuit Pending JPS5221724A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9772175A JPS5221724A (en) 1975-08-12 1975-08-12 Automatic brightness adjusting circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9772175A JPS5221724A (en) 1975-08-12 1975-08-12 Automatic brightness adjusting circuit

Publications (1)

Publication Number Publication Date
JPS5221724A true JPS5221724A (en) 1977-02-18

Family

ID=14199744

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9772175A Pending JPS5221724A (en) 1975-08-12 1975-08-12 Automatic brightness adjusting circuit

Country Status (1)

Country Link
JP (1) JPS5221724A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5521609U (en) * 1978-07-26 1980-02-12
US4355334A (en) * 1981-05-29 1982-10-19 Zenith Radio Corporation Dimmer and dimmer override control for a display device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5521609U (en) * 1978-07-26 1980-02-12
US4355334A (en) * 1981-05-29 1982-10-19 Zenith Radio Corporation Dimmer and dimmer override control for a display device

Similar Documents

Publication Publication Date Title
JPS51124926A (en) Method for improving light resistance of color images
JPS53144220A (en) Automatic adjuster for color purity of color television
JPS5279729A (en) Color adjusting circuit of color television
JPS5271131A (en) Circuit for radiation display use
JPS5221763A (en) Electronic microscope
JPS5221724A (en) Automatic brightness adjusting circuit
JPS5241478A (en) Discharge lamp lighting device
JPS51134512A (en) Photoelectric conversion scanning circuit of facsimile unit
JPS5328332A (en) Television set
JPS5231615A (en) Contour compensation circuit
JPS51118322A (en) Color tv set
JPS51134573A (en) Semiconductor unit
JPS52130236A (en) Beam current limit circuit for color tv receiving tube
JPS5429631A (en) Brightness adjustment circuit
JPS5222818A (en) Focusing circuit
JPS51115787A (en) Electric field emission plate
JPS5257723A (en) Braun tube circuit
JPS5222826A (en) Shading reducing circuit
JPS51134519A (en) Solid colour television camera unit
JPS51116666A (en) Image tube
JPS5284861A (en) Lighting circuit for discharge lamp
JPS5275225A (en) White color for developing system beam index type color television
JPS5263353A (en) Direct view type dark field device
JPS5434627A (en) Video amplifying circuit for color television picture receiver
JPS51126138A (en) Device of photographing subject having wide brightness range