CH629356GA3 - - Google Patents

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Publication number
CH629356GA3
CH629356GA3 CH604779A CH604779A CH629356GA3 CH 629356G A3 CH629356G A3 CH 629356GA3 CH 604779 A CH604779 A CH 604779A CH 604779 A CH604779 A CH 604779A CH 629356G A3 CH629356G A3 CH 629356GA3
Authority
CH
Switzerland
Prior art keywords
blade
slot
disk
resiliency
cooperates
Prior art date
Application number
CH604779A
Other languages
French (fr)
Other versions
CH629356B (en
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
Publication of CH629356B publication Critical patent/CH629356B/en
Application filed filed Critical
Priority to CH604779A priority Critical patent/CH629356B/en
Priority to DE8080200529T priority patent/DE3069694D1/en
Priority to EP80200529A priority patent/EP0021494B1/en
Priority to US06/158,204 priority patent/US4348752A/en
Priority to JP8340980A priority patent/JPS5631676A/en
Publication of CH629356GA3 publication Critical patent/CH629356GA3/fr

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/14—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Electric Clocks (AREA)

Abstract

The watch comprises a detecting device including a resilient blade, the free end of which cooperates with a disk. When a slot in the edge of the disk is oriented in the direction of the blade, the latter vibrates owing to its own resiliency. The two edges of the slot are preferably bent in opposite directions in order to increase the bending stress on the blade just before its abrupt release into the slot. A piezoelectric strip fixed to the blade registers voltage fluctuations, the polarity of which corresponds to the direction in which the blade moves.
CH604779A 1979-06-28 1979-06-28 ELECTRONIC WATCH WHOSE GEAR FEATURES A MOBILE METER. CH629356B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CH604779A CH629356B (en) 1979-06-28 1979-06-28 ELECTRONIC WATCH WHOSE GEAR FEATURES A MOBILE METER.
DE8080200529T DE3069694D1 (en) 1979-06-28 1980-06-09 Electronic clock with time indication by hands and with a rotation detecting member
EP80200529A EP0021494B1 (en) 1979-06-28 1980-06-09 Electronic clock with time indication by hands and with a rotation detecting member
US06/158,204 US4348752A (en) 1979-06-28 1980-06-10 Electronic watch with movable detecting member
JP8340980A JPS5631676A (en) 1979-06-28 1980-06-19 Electronic wrist watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH604779A CH629356B (en) 1979-06-28 1979-06-28 ELECTRONIC WATCH WHOSE GEAR FEATURES A MOBILE METER.

Publications (2)

Publication Number Publication Date
CH629356B CH629356B (en)
CH629356GA3 true CH629356GA3 (en) 1982-04-30

Family

ID=4303368

Family Applications (1)

Application Number Title Priority Date Filing Date
CH604779A CH629356B (en) 1979-06-28 1979-06-28 ELECTRONIC WATCH WHOSE GEAR FEATURES A MOBILE METER.

Country Status (5)

Country Link
US (1) US4348752A (en)
EP (1) EP0021494B1 (en)
JP (1) JPS5631676A (en)
CH (1) CH629356B (en)
DE (1) DE3069694D1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6965543B1 (en) * 2000-10-24 2005-11-15 Kienzle Time (Hong Kong) Limited Radio controllable clock
US6909222B2 (en) * 2002-03-01 2005-06-21 Seiko Epson Corporation Piezoelectric actuator, and timepiece and portable equipment having the same
JP2015052543A (en) * 2013-09-09 2015-03-19 カシオ計算機株式会社 Switch mechanism and timepiece

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH205066A4 (en) * 1966-02-10 1969-08-15
DE2125224C3 (en) * 1971-05-21 1980-12-18 Forschungsgesellschaft Fuer Uhren- Und Feingeraetetechnik E. V., 7000 Stuttgart Device for correcting the gait of a time-keeping device
US3958167A (en) * 1972-12-04 1976-05-18 Citizen Watch Co., Ltd. Pulse motor
JPS5542356B2 (en) * 1972-12-22 1980-10-30
JPS525566A (en) * 1975-07-02 1977-01-17 Citizen Watch Co Ltd Electric clock
JPS5214452U (en) * 1975-07-18 1977-02-01
GB1510744A (en) * 1975-09-11 1978-05-17 Diehl Electro-mechanical adjustment means for adjusting an electronic digital indicator
JPS5342079A (en) * 1976-09-28 1978-04-17 Citizen Watch Co Ltd Electronic watch
JPS5398884A (en) * 1977-02-09 1978-08-29 Seikosha Kk Counter
CH620085B (en) * 1977-12-31 Ebauchesfabrik Eta Ag QUARTZ WATCH AND ANALOGUE DISPLAY DEVICE WITH MANUAL TIME CHANGE CONTROL.
US4209976A (en) * 1978-08-11 1980-07-01 Timex Corporation Means of setting a solid state watch

Also Published As

Publication number Publication date
EP0021494B1 (en) 1984-11-28
DE3069694D1 (en) 1985-01-10
JPS5631676A (en) 1981-03-31
CH629356B (en)
EP0021494A1 (en) 1981-01-07
US4348752A (en) 1982-09-07
JPS628158B2 (en) 1987-02-20

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