JPS51135679A - A digital stop watch - Google Patents

A digital stop watch

Info

Publication number
JPS51135679A
JPS51135679A JP6057775A JP6057775A JPS51135679A JP S51135679 A JPS51135679 A JP S51135679A JP 6057775 A JP6057775 A JP 6057775A JP 6057775 A JP6057775 A JP 6057775A JP S51135679 A JPS51135679 A JP S51135679A
Authority
JP
Japan
Prior art keywords
stop watch
digital stop
digital
watch
electro
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
JP6057775A
Other languages
Japanese (ja)
Inventor
Mitsuo Koike
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.)
Seiko Instruments Inc
Original Assignee
Seiko Instruments Inc
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 Seiko Instruments Inc filed Critical Seiko Instruments Inc
Priority to JP6057775A priority Critical patent/JPS51135679A/en
Priority to GB1955076A priority patent/GB1515437A/en
Publication of JPS51135679A publication Critical patent/JPS51135679A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/08—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques
    • G04G9/12—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques using light valves, e.g. liquid crystals
    • G04G9/126—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques using light valves, e.g. liquid crystals provided with means for displaying at will a time indication or a date or a part thereof
    • 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)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Measurement Of Unknown Time Intervals (AREA)

Abstract

PURPOSE: To provide a device of achieving lower consumption of electricity and more simple circuit by using an electro-chromic element in an electronic digital stop watch to make a memory circuit unnecessary.
COPYRIGHT: (C)1976,JPO&Japio
JP6057775A 1975-05-20 1975-05-20 A digital stop watch Pending JPS51135679A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP6057775A JPS51135679A (en) 1975-05-20 1975-05-20 A digital stop watch
GB1955076A GB1515437A (en) 1975-05-20 1976-05-12 Digital stop watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6057775A JPS51135679A (en) 1975-05-20 1975-05-20 A digital stop watch

Publications (1)

Publication Number Publication Date
JPS51135679A true JPS51135679A (en) 1976-11-24

Family

ID=13146231

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6057775A Pending JPS51135679A (en) 1975-05-20 1975-05-20 A digital stop watch

Country Status (2)

Country Link
JP (1) JPS51135679A (en)
GB (1) GB1515437A (en)

Also Published As

Publication number Publication date
GB1515437A (en) 1978-06-21

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