JPS5256897A - Drive circuit of electrochromic display device - Google Patents

Drive circuit of electrochromic display device

Info

Publication number
JPS5256897A
JPS5256897A JP13267475A JP13267475A JPS5256897A JP S5256897 A JPS5256897 A JP S5256897A JP 13267475 A JP13267475 A JP 13267475A JP 13267475 A JP13267475 A JP 13267475A JP S5256897 A JPS5256897 A JP S5256897A
Authority
JP
Japan
Prior art keywords
display device
drive circuit
electrochromic display
display
display elements
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
JP13267475A
Other languages
Japanese (ja)
Inventor
Fukuo Sekiya
Katsuo Nishimura
Takanori Minamitani
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 JP13267475A priority Critical patent/JPS5256897A/en
Priority to US05/709,111 priority patent/US4096412A/en
Priority to GB32051/76A priority patent/GB1556711A/en
Publication of JPS5256897A publication Critical patent/JPS5256897A/en
Priority to HK342/82A priority patent/HK34282A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To prevent coloring of non-display elements by stimulus such as external light, eliminate false display and provide accurate display suitable for electronic watches by periodically adding voltage in erase direction to the non-display elements in a circuit for driving a display device.
COPYRIGHT: (C)1977,JPO&Japio
JP13267475A 1975-08-01 1975-11-05 Drive circuit of electrochromic display device Pending JPS5256897A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP13267475A JPS5256897A (en) 1975-11-05 1975-11-05 Drive circuit of electrochromic display device
US05/709,111 US4096412A (en) 1975-08-01 1976-07-27 Driver circuit for electrochromic display device
GB32051/76A GB1556711A (en) 1975-08-01 1976-08-02 Driver circuit for electrochromic display device
HK342/82A HK34282A (en) 1975-08-01 1982-07-29 Driver circuit for electrochromic display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13267475A JPS5256897A (en) 1975-11-05 1975-11-05 Drive circuit of electrochromic display device

Publications (1)

Publication Number Publication Date
JPS5256897A true JPS5256897A (en) 1977-05-10

Family

ID=15086837

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13267475A Pending JPS5256897A (en) 1975-08-01 1975-11-05 Drive circuit of electrochromic display device

Country Status (1)

Country Link
JP (1) JPS5256897A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5459097A (en) * 1977-10-19 1979-05-12 Sharp Corp Driving method for display unit
JPS57185485A (en) * 1981-05-12 1982-11-15 Nippon Kogaku Kk Electrochromic element driver
JPS5870281A (en) * 1981-10-23 1983-04-26 株式会社ニコン Color return preventor for electrochromic display element

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5459097A (en) * 1977-10-19 1979-05-12 Sharp Corp Driving method for display unit
JPS57185485A (en) * 1981-05-12 1982-11-15 Nippon Kogaku Kk Electrochromic element driver
JPH045992B2 (en) * 1981-05-12 1992-02-04 Nippon Kogaku Kk
JPS5870281A (en) * 1981-10-23 1983-04-26 株式会社ニコン Color return preventor for electrochromic display element
JPH0263233B2 (en) * 1981-10-23 1990-12-27 Nippon Kogaku Kk

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