JPS5299857A - Electro chromic indicator drive circuit - Google Patents

Electro chromic indicator drive circuit

Info

Publication number
JPS5299857A
JPS5299857A JP1549076A JP1549076A JPS5299857A JP S5299857 A JPS5299857 A JP S5299857A JP 1549076 A JP1549076 A JP 1549076A JP 1549076 A JP1549076 A JP 1549076A JP S5299857 A JPS5299857 A JP S5299857A
Authority
JP
Japan
Prior art keywords
drive circuit
indicator drive
electro chromic
chromic indicator
groups
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
JP1549076A
Other languages
Japanese (ja)
Other versions
JPS595880B2 (en
Inventor
Mitsuo Sekine
Katsuo Nishimura
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 JP1549076A priority Critical patent/JPS595880B2/en
Publication of JPS5299857A publication Critical patent/JPS5299857A/en
Publication of JPS595880B2 publication Critical patent/JPS595880B2/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/0023—Visual time or date indication means by light valves in general
    • G04G9/0029—Details
    • G04G9/0047—Details electrical, e.g. selection or application of the operating voltage

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

PURPOSE:To reduce the number of elements and the power consumption by dividing the time indicating units into more than two groups in accordance with the speed of the period, in which the indication of the units is varied, and by using different drive circuits for the groups.
JP1549076A 1976-02-17 1976-02-17 Electronic clock with electrochromic display Expired JPS595880B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1549076A JPS595880B2 (en) 1976-02-17 1976-02-17 Electronic clock with electrochromic display

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1549076A JPS595880B2 (en) 1976-02-17 1976-02-17 Electronic clock with electrochromic display

Publications (2)

Publication Number Publication Date
JPS5299857A true JPS5299857A (en) 1977-08-22
JPS595880B2 JPS595880B2 (en) 1984-02-07

Family

ID=11890228

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1549076A Expired JPS595880B2 (en) 1976-02-17 1976-02-17 Electronic clock with electrochromic display

Country Status (1)

Country Link
JP (1) JPS595880B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6031120A (en) * 1983-07-30 1985-02-16 Canon Inc Driving method of optical modulating element

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62125300U (en) * 1986-01-31 1987-08-08

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6031120A (en) * 1983-07-30 1985-02-16 Canon Inc Driving method of optical modulating element
JPS6243167B2 (en) * 1983-07-30 1987-09-11 Canon Kk

Also Published As

Publication number Publication date
JPS595880B2 (en) 1984-02-07

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees