JPS5872082A - 電子時計 - Google Patents

電子時計

Info

Publication number
JPS5872082A
JPS5872082A JP17082681A JP17082681A JPS5872082A JP S5872082 A JPS5872082 A JP S5872082A JP 17082681 A JP17082681 A JP 17082681A JP 17082681 A JP17082681 A JP 17082681A JP S5872082 A JPS5872082 A JP S5872082A
Authority
JP
Japan
Prior art keywords
hand
circuit
driving
hour
rotor
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.)
Granted
Application number
JP17082681A
Other languages
English (en)
Japanese (ja)
Other versions
JPS647346B2 (en]
Inventor
Fumio Sugano
文雄 菅野
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.)
Citizen Holdings Co Ltd
Citizen Watch Co Ltd
Original Assignee
Citizen Holdings Co Ltd
Citizen Watch Co Ltd
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 Citizen Holdings Co Ltd, Citizen Watch Co Ltd filed Critical Citizen Holdings Co Ltd
Priority to JP17082681A priority Critical patent/JPS5872082A/ja
Priority to GB08230593A priority patent/GB2110846B/en
Priority to US06/437,176 priority patent/US4440502A/en
Publication of JPS5872082A publication Critical patent/JPS5872082A/ja
Publication of JPS647346B2 publication Critical patent/JPS647346B2/ja
Granted legal-status Critical Current

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
    • G04C3/146—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor incorporating two or more stepping motors or rotors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Control Of Stepping Motors (AREA)
JP17082681A 1981-10-27 1981-10-27 電子時計 Granted JPS5872082A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP17082681A JPS5872082A (ja) 1981-10-27 1981-10-27 電子時計
GB08230593A GB2110846B (en) 1981-10-27 1982-10-26 Electronic timepiece
US06/437,176 US4440502A (en) 1981-10-27 1982-10-27 Electronic timepiece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17082681A JPS5872082A (ja) 1981-10-27 1981-10-27 電子時計

Publications (2)

Publication Number Publication Date
JPS5872082A true JPS5872082A (ja) 1983-04-28
JPS647346B2 JPS647346B2 (en]) 1989-02-08

Family

ID=15912042

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17082681A Granted JPS5872082A (ja) 1981-10-27 1981-10-27 電子時計

Country Status (1)

Country Link
JP (1) JPS5872082A (en])

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60113696A (ja) * 1983-11-21 1985-06-20 Seiko Epson Corp アナログ電子時計

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50129267A (en]) * 1974-04-02 1975-10-13
JPS5380511A (en) * 1976-12-24 1978-07-17 Kanto Seiki Co Step motor for clock
JPS54100775A (en) * 1977-12-28 1979-08-08 Ebauches Sa Electronic watch

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50129267A (en]) * 1974-04-02 1975-10-13
JPS5380511A (en) * 1976-12-24 1978-07-17 Kanto Seiki Co Step motor for clock
JPS54100775A (en) * 1977-12-28 1979-08-08 Ebauches Sa Electronic watch

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60113696A (ja) * 1983-11-21 1985-06-20 Seiko Epson Corp アナログ電子時計

Also Published As

Publication number Publication date
JPS647346B2 (en]) 1989-02-08

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