FR2134574B1 - - Google Patents

Info

Publication number
FR2134574B1
FR2134574B1 FR7215002A FR7215002A FR2134574B1 FR 2134574 B1 FR2134574 B1 FR 2134574B1 FR 7215002 A FR7215002 A FR 7215002A FR 7215002 A FR7215002 A FR 7215002A FR 2134574 B1 FR2134574 B1 FR 2134574B1
Authority
FR
France
Prior art keywords
time
counters
timepiece
watch
stop
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.)
Expired
Application number
FR7215002A
Other languages
English (en)
French (fr)
Other versions
FR2134574A1 (zh
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.)
Seikosha KK
Original Assignee
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 Seikosha KK filed Critical Seikosha KK
Publication of FR2134574A1 publication Critical patent/FR2134574A1/fr
Application granted granted Critical
Publication of FR2134574B1 publication Critical patent/FR2134574B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G04F—TIME-INTERVAL MEASURING
    • G04F10/00—Apparatus for measuring unknown time intervals by electric means
    • G04F10/04—Apparatus for measuring unknown time intervals by electric means by counting pulses or half-cycles of an ac
    • 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
    • G04G9/10—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques by controlling light sources, e.g. electroluminescent diodes
    • G04G9/107—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques by controlling light sources, e.g. electroluminescent diodes provided with means for displaying at will a time indication or a date or a part thereof

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electric Clocks (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Electromechanical Clocks (AREA)
FR7215002A 1971-04-27 1972-04-27 Expired FR2134574B1 (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2785671 1971-04-27

Publications (2)

Publication Number Publication Date
FR2134574A1 FR2134574A1 (zh) 1972-12-08
FR2134574B1 true FR2134574B1 (zh) 1976-08-06

Family

ID=12232542

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7215002A Expired FR2134574B1 (zh) 1971-04-27 1972-04-27

Country Status (5)

Country Link
US (1) US3854277A (zh)
CH (1) CH612569B (zh)
DE (1) DE2220783A1 (zh)
FR (1) FR2134574B1 (zh)
GB (1) GB1391995A (zh)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4953476A (zh) * 1972-09-22 1974-05-24
JPS4960264A (zh) * 1972-10-09 1974-06-11
AU479499B2 (en) * 1972-10-25 1976-12-17 Aoki And Akira Ishkawa Motono Full electronic car clock with digital display and method of time setting therefor
US4048478A (en) * 1974-06-18 1977-09-13 Kabushiki Kaisha Daini Seikosha Marking apparatus with electronic counters
JPS569672B2 (zh) * 1974-09-06 1981-03-03
US3991555A (en) * 1974-09-13 1976-11-16 Hughes Aircraft Company Digital timing circuit for display sequencing in two-digit wristwatch
US4176517A (en) * 1974-09-30 1979-12-04 Citizen Watch Co. Ltd. Integrated circuit for timepiece
JPS6045383B2 (ja) * 1974-11-25 1985-10-09 セイコーエプソン株式会社 電子式時計体
US3967098A (en) * 1975-04-14 1976-06-29 Harnagel Gary L Navigation instrument
JPS52106768A (en) * 1975-04-22 1977-09-07 Casio Comput Co Ltd Stopwatch
US4010603A (en) * 1975-04-30 1977-03-08 Ensign Electronics, Inc. Time marking chronometer
US4075826A (en) * 1975-05-19 1978-02-28 Hughes Aircraft Company Timing circuit for digital wristwatch
US4084402A (en) * 1975-05-22 1978-04-18 Hughes Aircraft Company Timing circuit for display sequencing in a digital wristwatch
US4184320A (en) * 1975-05-30 1980-01-22 Casio Computer Co., Ltd. Electronic stop watches
US4025774A (en) * 1975-06-16 1977-05-24 American Hospital Supply Corporation Timing apparatus including electronic calculator circuits
US4089159A (en) * 1975-06-23 1978-05-16 Citizen Watch Company Limited Electronic timepiece
JPS5245980A (en) * 1975-10-09 1977-04-12 Seiko Instr & Electronics Ltd Digital electronic watch
JPS5247767A (en) * 1975-10-14 1977-04-15 Seiko Instr & Electronics Ltd Digital alarm watch
US4019313A (en) * 1975-10-17 1977-04-26 Motorola, Inc. Liquid crystal watch module
US4110966A (en) * 1975-12-26 1978-09-05 Casio Computer Co., Ltd. Electronic timepiece with stop watch
JPS52141671A (en) * 1976-05-20 1977-11-26 Sharp Corp Digital display electronic watch with stop watch
US4185452A (en) * 1976-07-08 1980-01-29 Arihiko Ikeda Digital time display system
JPS53143367A (en) * 1977-05-20 1978-12-13 Seiko Instr & Electronics Ltd Electronic watch
US4201041A (en) * 1977-08-05 1980-05-06 Jeco Company Limited Digital electronic timepiece having a time correcting means
CH616552B (fr) * 1978-07-13 Berney Sa Jean Claude Piece d'horlogerie electronique.
HU180536B (en) * 1978-12-19 1983-03-28 Tatabanyai Szenbanyak Reactio timer

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3585375A (en) * 1969-12-22 1971-06-15 Lear Siegler Inc Aircraft time information system
US3664116A (en) * 1970-04-06 1972-05-23 Gen Electric Digital clock controlled by voltage level of clock reference signal
US3672155A (en) * 1970-05-06 1972-06-27 Hamilton Watch Co Solid state watch
US3646752A (en) * 1970-09-28 1972-03-07 Conveyor Specialties Co Plastic encased metal ribbed flexible conveyor chain

Also Published As

Publication number Publication date
CH612569B (fr)
GB1391995A (en) 1975-04-23
DE2220783A1 (de) 1972-12-21
US3854277A (en) 1974-12-17
FR2134574A1 (zh) 1972-12-08
CH612569GA3 (zh) 1979-08-15

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Legal Events

Date Code Title Description
ST Notification of lapse