JPS6059551B2 - 電子時計 - Google Patents

電子時計

Info

Publication number
JPS6059551B2
JPS6059551B2 JP52076813A JP7681377A JPS6059551B2 JP S6059551 B2 JPS6059551 B2 JP S6059551B2 JP 52076813 A JP52076813 A JP 52076813A JP 7681377 A JP7681377 A JP 7681377A JP S6059551 B2 JPS6059551 B2 JP S6059551B2
Authority
JP
Japan
Prior art keywords
circuit
output
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
JP52076813A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5410774A (en
Inventor
洵 上田
政春 志田
正孝 池西
譲一 宮崎
省三 串田
弘昌 中西
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
Priority to JP52076813A priority Critical patent/JPS6059551B2/ja
Priority to GB26070/78A priority patent/GB1587010A/en
Priority to FR7818692A priority patent/FR2396342A1/fr
Priority to DE2828198A priority patent/DE2828198C2/de
Priority to CH700478A priority patent/CH631314GA3/fr
Publication of JPS5410774A publication Critical patent/JPS5410774A/ja
Publication of JPS6059551B2 publication Critical patent/JPS6059551B2/ja
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
    • 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)
  • Electromechanical Clocks (AREA)
  • Control Of Stepping Motors (AREA)
  • Electric Clocks (AREA)
JP52076813A 1977-06-27 1977-06-27 電子時計 Expired JPS6059551B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP52076813A JPS6059551B2 (ja) 1977-06-27 1977-06-27 電子時計
GB26070/78A GB1587010A (en) 1977-06-27 1978-05-31 Electronic timepiece
FR7818692A FR2396342A1 (fr) 1977-06-27 1978-06-22 Dispositif de remise a l'heure pour montre electronique
DE2828198A DE2828198C2 (de) 1977-06-27 1978-06-27 Schaltungsanordnung zum polaritätsrichtigen Ansteuern des Schrittmotors einer elektronisch gesteuerten Analoguhr nach zuvor erfolgter Rückstellung der den Schrittmotor antreibenden Frequenzteilerschaltung
CH700478A CH631314GA3 (en) 1977-06-27 1978-06-27 Time-resetting device for an electronic watch, especially an electronic wristwatch, which provides a display with the aid of hands

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
JPS5410774A JPS5410774A (en) 1979-01-26
JPS6059551B2 true JPS6059551B2 (ja) 1985-12-25

Family

ID=13616101

Family Applications (1)

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

Country Status (5)

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

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
DE2828198C2 (de) 1986-10-16
FR2396342B1 (enrdf_load_stackoverflow) 1984-06-15
DE2828198A1 (de) 1979-01-04
CH631314GA3 (en) 1982-08-13
CH631314B (fr)
GB1587010A (en) 1981-03-25
FR2396342A1 (fr) 1979-01-26
JPS5410774A (en) 1979-01-26

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