JPH0237158B2 - - Google Patents

Info

Publication number
JPH0237158B2
JPH0237158B2 JP63066558A JP6655888A JPH0237158B2 JP H0237158 B2 JPH0237158 B2 JP H0237158B2 JP 63066558 A JP63066558 A JP 63066558A JP 6655888 A JP6655888 A JP 6655888A JP H0237158 B2 JPH0237158 B2 JP H0237158B2
Authority
JP
Japan
Prior art keywords
amplifier
video signal
reference potential
circuit
2vcc
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 - Lifetime
Application number
JP63066558A
Other languages
English (en)
Japanese (ja)
Other versions
JPH01112878A (ja
Inventor
Osamu Kameda
Takahiro Fuse
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.)
Casio Computer Co Ltd
Original Assignee
Casio Computer Co Ltd
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 Casio Computer Co Ltd filed Critical Casio Computer Co Ltd
Priority to JP6655888A priority Critical patent/JPH01112878A/ja
Publication of JPH01112878A publication Critical patent/JPH01112878A/ja
Publication of JPH0237158B2 publication Critical patent/JPH0237158B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Liquid Crystal Display Device Control (AREA)
  • Television Receiver Circuits (AREA)
  • Transforming Electric Information Into Light Information (AREA)
JP6655888A 1988-03-18 1988-03-18 画像表示装置のコントラスト調整回路 Granted JPH01112878A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6655888A JPH01112878A (ja) 1988-03-18 1988-03-18 画像表示装置のコントラスト調整回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6655888A JPH01112878A (ja) 1988-03-18 1988-03-18 画像表示装置のコントラスト調整回路

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP4677482A Division JPS58164390A (ja) 1982-03-24 1982-03-24 画像表示装置のコントラスト調整回路

Publications (2)

Publication Number Publication Date
JPH01112878A JPH01112878A (ja) 1989-05-01
JPH0237158B2 true JPH0237158B2 (en]) 1990-08-22

Family

ID=13319375

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6655888A Granted JPH01112878A (ja) 1988-03-18 1988-03-18 画像表示装置のコントラスト調整回路

Country Status (1)

Country Link
JP (1) JPH01112878A (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5099330A (en) * 1988-10-28 1992-03-24 Casio Computer Co., Ltd. Contrast control based on mean and deviation values

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS559007Y2 (en]) * 1974-09-04 1980-02-27
JPS5532063A (en) * 1978-08-29 1980-03-06 Suwa Seikosha Kk Liquid crystal display

Also Published As

Publication number Publication date
JPH01112878A (ja) 1989-05-01

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