HK3678A - Improvements in or relating to digital electronic timepieces - Google Patents

Improvements in or relating to digital electronic timepieces

Info

Publication number
HK3678A
HK3678A HK36/78A HK3678A HK3678A HK 3678 A HK3678 A HK 3678A HK 36/78 A HK36/78 A HK 36/78A HK 3678 A HK3678 A HK 3678A HK 3678 A HK3678 A HK 3678A
Authority
HK
Hong Kong
Prior art keywords
relating
digital electronic
electronic timepieces
timepieces
digital
Prior art date
Application number
HK36/78A
Original Assignee
Suwa Seikosha Kk
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 Suwa Seikosha Kk filed Critical Suwa Seikosha Kk
Publication of HK3678A publication Critical patent/HK3678A/en

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G5/00—Setting, i.e. correcting or changing, the time-indication
    • G04G5/04—Setting, i.e. correcting or changing, the time-indication by setting each of the displayed values, e.g. date, hour, independently
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C17/00—Indicating the time optically by electric means
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G19/00—Electric power supply circuits specially adapted for use in electronic time-pieces
    • G04G19/02—Conversion or regulation of current or voltage
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G5/00—Setting, i.e. correcting or changing, the time-indication
    • G04G5/02—Setting, i.e. correcting or changing, the time-indication by temporarily changing the number of pulses per unit time, e.g. quick-feed method
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electric Clocks (AREA)
  • Electromechanical Clocks (AREA)
HK36/78A 1972-07-31 1978-01-19 Improvements in or relating to digital electronic timepieces HK3678A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47076697A JPS4934869A (en) 1972-07-31 1972-07-31

Publications (1)

Publication Number Publication Date
HK3678A true HK3678A (en) 1978-01-27

Family

ID=13612668

Family Applications (1)

Application Number Title Priority Date Filing Date
HK36/78A HK3678A (en) 1972-07-31 1978-01-19 Improvements in or relating to digital electronic timepieces

Country Status (5)

Country Link
US (1) US3925978A (en)
JP (1) JPS4934869A (en)
GB (1) GB1406366A (en)
HK (1) HK3678A (en)
MY (1) MY7800067A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5146170A (en) * 1974-10-18 1976-04-20 Hitachi Ltd
JPS5189772A (en) * 1975-02-05 1976-08-06
US4105902A (en) * 1975-10-08 1978-08-08 Kabushiki Kaisha Suwa Seikosha Touch sensitive input for electronic wristwatch and/or electronic calculator
FR2495349B1 (en) * 1980-12-02 1985-07-12 Dodane Precia Gete Montres SYSTEM FOR CONTROLLING A MULTI-FUNCTION WATCH, SUCH AS AN ON-WATCH ON A VEHICLE, ESPECIALLY AN AIRCRAFT, AND METHOD FOR OPERATING SUCH A SYSTEM
JPS5968288U (en) * 1982-10-28 1984-05-09 ジエコ−株式会社 automotive electronic clock
JPH0231189A (en) * 1988-07-20 1990-02-01 Rhythm Watch Co Ltd Sound time-piece equipped with snooze

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH569320B5 (en) * 1970-03-06 1975-11-14 Rolex Montres
US3664118A (en) * 1970-09-09 1972-05-23 Hamilton Watch Co Electronically controlled timepiece using low power mos transistor circuitry
CH533332A (en) * 1970-10-20 1972-09-15 Centre Electron Horloger Electronic watch
GB1342223A (en) * 1971-02-06 1974-01-03 Suwa Seikosha Kk Electronic wrist watches
JPS5219788B2 (en) * 1971-12-07 1977-05-30
US3762152A (en) * 1971-12-08 1973-10-02 Bunker Ramo Reset system for digital electronic timepiece
JPS5219979B2 (en) * 1972-04-17 1977-05-31

Also Published As

Publication number Publication date
MY7800067A (en) 1978-12-31
US3925978A (en) 1975-12-16
JPS4934869A (en) 1974-03-30
GB1406366A (en) 1975-09-17

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