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JPS5334494A - Driving circuit for electronic optical display - Google Patents

Driving circuit for electronic optical display

Info

Publication number
JPS5334494A
JPS5334494A JP10791776A JP10791776A JPS5334494A JP S5334494 A JPS5334494 A JP S5334494A JP 10791776 A JP10791776 A JP 10791776A JP 10791776 A JP10791776 A JP 10791776A JP S5334494 A JPS5334494 A JP S5334494A
Authority
JP
Japan
Prior art keywords
driving circuit
optical display
electronic optical
electronic
contrast
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
JP10791776A
Other languages
Japanese (ja)
Other versions
JPS5945998B2 (en
Inventor
Toyoharu Fujikawa
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.)
Citizen Watch Co Ltd
Original Assignee
Citizen Watch 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 Citizen Watch Co Ltd filed Critical Citizen Watch Co Ltd
Priority to JP10791776A priority Critical patent/JPS5945998B2/en
Publication of JPS5334494A publication Critical patent/JPS5334494A/en
Publication of JPS5945998B2 publication Critical patent/JPS5945998B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Liquid Crystal (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

PURPOSE: To uniform the contrast, by changing the output impedance of the driving circuit provided at the common electrode side with step corresponding to the number of each segment driven within the same time.
COPYRIGHT: (C)1978,JPO&Japio
JP10791776A 1976-09-10 1976-09-10 Driving circuit for electro-optical display Expired JPS5945998B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10791776A JPS5945998B2 (en) 1976-09-10 1976-09-10 Driving circuit for electro-optical display

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10791776A JPS5945998B2 (en) 1976-09-10 1976-09-10 Driving circuit for electro-optical display

Publications (2)

Publication Number Publication Date
JPS5334494A true JPS5334494A (en) 1978-03-31
JPS5945998B2 JPS5945998B2 (en) 1984-11-09

Family

ID=14471316

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10791776A Expired JPS5945998B2 (en) 1976-09-10 1976-09-10 Driving circuit for electro-optical display

Country Status (1)

Country Link
JP (1) JPS5945998B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55156993A (en) * 1979-02-16 1980-12-06 Ebauches Sa Method and device for controlling electrochromic display
JPS62129873A (en) * 1985-11-30 1987-06-12 Ricoh Co Ltd Color recording device
JPH01295283A (en) * 1988-05-24 1989-11-28 Fuji Xerox Co Ltd Color image forming device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55156993A (en) * 1979-02-16 1980-12-06 Ebauches Sa Method and device for controlling electrochromic display
JPS6259316B2 (en) * 1979-02-16 1987-12-10 Ebauchesfabrik Eta Ag
JPS62129873A (en) * 1985-11-30 1987-06-12 Ricoh Co Ltd Color recording device
JPH01295283A (en) * 1988-05-24 1989-11-28 Fuji Xerox Co Ltd Color image forming device

Also Published As

Publication number Publication date
JPS5945998B2 (en) 1984-11-09

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