JPS6435480A - Brightness control data display device - Google Patents

Brightness control data display device

Info

Publication number
JPS6435480A
JPS6435480A JP62191044A JP19104487A JPS6435480A JP S6435480 A JPS6435480 A JP S6435480A JP 62191044 A JP62191044 A JP 62191044A JP 19104487 A JP19104487 A JP 19104487A JP S6435480 A JPS6435480 A JP S6435480A
Authority
JP
Japan
Prior art keywords
luminance
elapsed time
display device
control data
data display
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
JP62191044A
Other languages
Japanese (ja)
Inventor
Eiichi Kumagai
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.)
NEC Corp
Original Assignee
NEC 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 NEC Corp filed Critical NEC Corp
Priority to JP62191044A priority Critical patent/JPS6435480A/en
Publication of JPS6435480A publication Critical patent/JPS6435480A/en
Pending legal-status Critical Current

Links

Landscapes

  • Controls And Circuits For Display Device (AREA)

Abstract

PURPOSE: To always obtain optimum luminance and to improve the operability by making display luminance high in the case where the elapsed time is short after a user starts a display device and successively lowering the luminance with the lapse of time. CONSTITUTION: When the device is started, a timer 4 starts operation and measures the elapsed time. A luminance control part 3 controls so that the luminance may be kept high in the case the elapsed time is short and it may be made low to be settled as a fixed value as the elapsed time gets longer. Therefore, the display luminance is successively automatically adjusted with the elapsed time of the timer, the operability is improved, and the fatigue of the eyes is reduced.
JP62191044A 1987-07-30 1987-07-30 Brightness control data display device Pending JPS6435480A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62191044A JPS6435480A (en) 1987-07-30 1987-07-30 Brightness control data display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62191044A JPS6435480A (en) 1987-07-30 1987-07-30 Brightness control data display device

Publications (1)

Publication Number Publication Date
JPS6435480A true JPS6435480A (en) 1989-02-06

Family

ID=16267955

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62191044A Pending JPS6435480A (en) 1987-07-30 1987-07-30 Brightness control data display device

Country Status (1)

Country Link
JP (1) JPS6435480A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6618042B1 (en) 1999-10-28 2003-09-09 Gateway, Inc. Display brightness control method and apparatus for conserving battery power
JP2008193349A (en) * 2007-02-02 2008-08-21 Canon Inc Video output apparatus and control method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6618042B1 (en) 1999-10-28 2003-09-09 Gateway, Inc. Display brightness control method and apparatus for conserving battery power
US6731274B2 (en) 1999-10-28 2004-05-04 Gateway, Inc. Display brightness control method and apparatus for conserving battery power
JP2008193349A (en) * 2007-02-02 2008-08-21 Canon Inc Video output apparatus and control method thereof

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