FR2396342B1 - - Google Patents

Info

Publication number
FR2396342B1
FR2396342B1 FR7818692A FR7818692A FR2396342B1 FR 2396342 B1 FR2396342 B1 FR 2396342B1 FR 7818692 A FR7818692 A FR 7818692A FR 7818692 A FR7818692 A FR 7818692A FR 2396342 B1 FR2396342 B1 FR 2396342B1
Authority
FR
France
Prior art keywords
polarity
inverting
rotor
detection
pulse
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
FR7818692A
Other languages
English (en)
French (fr)
Other versions
FR2396342A1 (fr
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.)
Seiko Instruments Inc
Original Assignee
Seiko Instruments 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 date
Application filed by Seiko Instruments Inc filed Critical Seiko Instruments Inc
Publication of FR2396342A1 publication Critical patent/FR2396342A1/fr
Application granted granted Critical
Publication of FR2396342B1 publication Critical patent/FR2396342B1/fr
Granted 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
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Stepping Motors (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)
FR7818692A 1977-06-27 1978-06-22 Dispositif de remise a l'heure pour montre electronique Granted FR2396342A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52076813A JPS6059551B2 (ja) 1977-06-27 1977-06-27 電子時計

Publications (2)

Publication Number Publication Date
FR2396342A1 FR2396342A1 (fr) 1979-01-26
FR2396342B1 true FR2396342B1 (de) 1984-06-15

Family

ID=13616101

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7818692A Granted FR2396342A1 (fr) 1977-06-27 1978-06-22 Dispositif de remise a l'heure pour montre electronique

Country Status (5)

Country Link
JP (1) JPS6059551B2 (de)
CH (1) CH631314GA3 (de)
DE (1) DE2828198C2 (de)
FR (1) FR2396342A1 (de)
GB (1) GB1587010A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS597951B2 (ja) * 1978-02-13 1984-02-21 セイコーエプソン株式会社 時計
JPS57137873A (en) * 1981-02-19 1982-08-25 Seiko Epson Corp Analogue electronic watch
JPS5910875A (ja) * 1982-07-09 1984-01-20 Seiko Epson Corp 電子時計

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2200477C3 (de) * 1972-01-05 1983-11-17 Citizen Watch Co., Ltd., Tokyo Elektronische Analoguhr

Also Published As

Publication number Publication date
DE2828198A1 (de) 1979-01-04
JPS6059551B2 (ja) 1985-12-25
GB1587010A (en) 1981-03-25
CH631314GA3 (en) 1982-08-13
JPS5410774A (en) 1979-01-26
FR2396342A1 (fr) 1979-01-26
CH631314B (fr)
DE2828198C2 (de) 1986-10-16

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Legal Events

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