CH616044B - Elektronische kleinuhr. - Google Patents

Elektronische kleinuhr.

Info

Publication number
CH616044B
CH616044B CH1550477A CH1550477A CH616044B CH 616044 B CH616044 B CH 616044B CH 1550477 A CH1550477 A CH 1550477A CH 1550477 A CH1550477 A CH 1550477A CH 616044 B CH616044 B CH 616044B
Authority
CH
Switzerland
Prior art keywords
voltage
primary
whose
stator coil
motor
Prior art date
Application number
CH1550477A
Other languages
German (de)
English (en)
Other versions
CH616044GA3 (en]
Inventor
Hans-Rudolf Sutter
Original Assignee
Bulova Watch Co 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 of CH616044B publication Critical patent/CH616044B/xx
Application filed by Bulova Watch Co Inc filed Critical Bulova Watch Co Inc
Priority to CH1550477A priority Critical patent/CH616044B/xx
Priority to GB22865/78A priority patent/GB1598387A/en
Priority to US05/968,694 priority patent/US4214434A/en
Publication of CH616044GA3 publication Critical patent/CH616044GA3/xx
Priority to US06/143,610 priority patent/US4361409A/en

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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromechanical Clocks (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Control Of Stepping Motors (AREA)
CH1550477A 1977-12-16 1977-12-16 Elektronische kleinuhr. CH616044B (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CH1550477A CH616044B (de) 1977-12-16 1977-12-16 Elektronische kleinuhr.
GB22865/78A GB1598387A (en) 1977-12-16 1978-05-25 Electronic watches
US05/968,694 US4214434A (en) 1977-12-16 1978-12-12 Electronic watches
US06/143,610 US4361409A (en) 1977-12-16 1980-04-25 Electronic watch having braked stepping motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1550477A CH616044B (de) 1977-12-16 1977-12-16 Elektronische kleinuhr.

Publications (2)

Publication Number Publication Date
CH616044B true CH616044B (de)
CH616044GA3 CH616044GA3 (en]) 1980-03-14

Family

ID=4409611

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1550477A CH616044B (de) 1977-12-16 1977-12-16 Elektronische kleinuhr.

Country Status (3)

Country Link
US (2) US4214434A (en])
CH (1) CH616044B (en])
GB (1) GB1598387A (en])

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5612577A (en) 1979-07-13 1981-02-06 Seiko Instr & Electronics Ltd Electronic clock
JPS5643575A (en) * 1979-09-18 1981-04-22 Seiko Instr & Electronics Ltd Electronic clock
US5274798A (en) * 1989-11-28 1993-12-28 Casio Computer Co., Ltd. Electronic apparatus with communication function having power source system with two voltage output levels
CH686332B5 (fr) * 1994-04-25 1996-09-13 Asulab Sa Pièce d'horlogerie mué par une source d'énergie mécanique et régulée par un circuit électronique.
US5467935A (en) 1994-08-16 1995-11-21 James River Paper Company, Inc. Apparatus for supporting a coreless paper roll and for impeding rotation of the roll during paper dispensing
US6795378B2 (en) 1997-09-30 2004-09-21 Seiko Epson Corporation Electronic device, electronically controlled mechanical timepiece, and control method therefor
JP3006593B2 (ja) * 1997-09-30 2000-02-07 セイコーエプソン株式会社 電子制御式機械時計およびその制御方法
JP2002296365A (ja) * 2001-03-29 2002-10-09 Seiko Epson Corp 電子機器、電子制御式機械時計、電子機器の制御方法
EP3336619A1 (fr) * 2016-12-15 2018-06-20 The Swatch Group Research and Development Ltd Procede de realisation d'un bracelet intelligent muni d'un insert a composants electroniques

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3319143A (en) * 1964-08-21 1967-05-09 Nippon Denso Co Control unit for windshield wiper
JPS4226884B1 (en]) * 1964-09-30 1967-12-20
US3582747A (en) * 1968-05-23 1971-06-01 Robert W Kearns Intermittent windshield wiper system with electrodynamic braking
US3817021A (en) * 1971-06-15 1974-06-18 Time Computer Solid state watch with magnetic setting
CH1372372A4 (en]) * 1972-09-20 1976-09-15
US4133169A (en) * 1974-08-30 1979-01-09 Ebauches S.A. Electronic circuit for a quartz crystal watch
US3963946A (en) * 1975-02-21 1976-06-15 Robertshaw Controls Company Driver circuit for step motor
CH587975A4 (en]) * 1975-05-07 1977-05-31
CH611484B (fr) * 1975-11-18 Berney Sa Jean Claude Dispositif de commande d'un moteur pas a pas pour la mesure du temps.

Also Published As

Publication number Publication date
US4361409A (en) 1982-11-30
CH616044GA3 (en]) 1980-03-14
GB1598387A (en) 1981-09-16
US4214434A (en) 1980-07-29

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Legal Events

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