HK51182A - Electronic timepiece - Google Patents

Electronic timepiece

Info

Publication number
HK51182A
HK51182A HK511/82A HK51182A HK51182A HK 51182 A HK51182 A HK 51182A HK 511/82 A HK511/82 A HK 511/82A HK 51182 A HK51182 A HK 51182A HK 51182 A HK51182 A HK 51182A
Authority
HK
Hong Kong
Prior art keywords
rotor
magnetically
coil
stator
pulse
Prior art date
Application number
HK511/82A
Other languages
English (en)
Original Assignee
Seiko Instr & Electronics
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 Instr & Electronics filed Critical Seiko Instr & Electronics
Publication of HK51182A publication Critical patent/HK51182A/xx

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
    • G04C3/143—Means to reduce power consumption by reducing pulse width or amplitude and related problems, e.g. detection of unwanted or missing step
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Stepping Motors (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Adornments (AREA)
HK511/82A 1976-12-07 1982-11-25 Electronic timepiece HK51182A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14693976A JPS5370876A (en) 1976-12-07 1976-12-07 Electronic wristwatch

Publications (1)

Publication Number Publication Date
HK51182A true HK51182A (en) 1982-12-03

Family

ID=15418978

Family Applications (1)

Application Number Title Priority Date Filing Date
HK511/82A HK51182A (en) 1976-12-07 1982-11-25 Electronic timepiece

Country Status (8)

Country Link
US (1) US4205262A (en, 2012)
JP (1) JPS5370876A (en, 2012)
CH (1) CH628488B (en, 2012)
DE (1) DE2752880C2 (en, 2012)
FR (1) FR2373817A1 (en, 2012)
GB (1) GB1571260A (en, 2012)
HK (1) HK51182A (en, 2012)
SG (1) SG44382G (en, 2012)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53132382A (en) * 1977-04-23 1978-11-18 Seiko Instr & Electronics Ltd Electronic watch
FR2450527A1 (fr) * 1979-03-01 1980-09-26 Suisse Horlogerie Moteur pas a pas non reversible
FR2461399A1 (fr) * 1979-07-09 1981-01-30 Suisse Horlogerie Detecteur de position d'un moteur pas a pas
US4375049A (en) * 1980-09-24 1983-02-22 Timex Corporation Stepping motor drive circuit for bi-directional rotation
US4912692A (en) * 1988-09-29 1990-03-27 Timex Corporation High rate, bidirectional drive for a bipole stepping motor watch
DE4090927B4 (de) * 1989-06-01 2006-09-21 Papst Licensing Gmbh & Co. Kg Motor, insbesondere kollektorloser Gleichstrommotor
JP3981669B2 (ja) * 2004-03-02 2007-09-26 セイコーエプソン株式会社 モータ及びモータの駆動システム

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6024680B2 (ja) * 1973-03-07 1985-06-14 セイコーインスツルメンツ株式会社 時計用ステツプモ−タの駆動回路
JPS5239111A (en) * 1975-09-25 1977-03-26 Citizen Watch Co Ltd Pulse motor for electronic clock
JPS5240712A (en) * 1975-09-27 1977-03-29 Citizen Watch Co Ltd Pulse motor for electronic clocks
JPS5280063A (en) * 1975-12-26 1977-07-05 Citizen Watch Co Ltd Reversible pulse motor system and watch
US4055785A (en) * 1976-01-12 1977-10-25 Fumio Nakajima Stepping motor for electronic timepiece

Also Published As

Publication number Publication date
DE2752880C2 (de) 1985-05-02
CH628488B (fr)
US4205262A (en) 1980-05-27
DE2752880A1 (de) 1978-06-08
JPS5370876A (en) 1978-06-23
FR2373817A1 (fr) 1978-07-07
SG44382G (en) 1983-02-25
GB1571260A (en) 1980-07-09
CH628488GA3 (en, 2012) 1982-03-15

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