JPS6243149B2 - - Google Patents

Info

Publication number
JPS6243149B2
JPS6243149B2 JP56068825A JP6882581A JPS6243149B2 JP S6243149 B2 JPS6243149 B2 JP S6243149B2 JP 56068825 A JP56068825 A JP 56068825A JP 6882581 A JP6882581 A JP 6882581A JP S6243149 B2 JPS6243149 B2 JP S6243149B2
Authority
JP
Japan
Prior art keywords
pulse
rotor
detection
drive
circuit
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
JP56068825A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57182680A (en
Inventor
Jiro Ito
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 Epson Corp
Original Assignee
Seiko Epson Corp
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 Epson Corp filed Critical Seiko Epson Corp
Priority to JP6882581A priority Critical patent/JPS57182680A/ja
Priority to US06/375,649 priority patent/US4477196A/en
Priority to GB08213117A priority patent/GB2101368B/en
Priority to DE3217207A priority patent/DE3217207C2/de
Priority to CH286682A priority patent/CH648179GA3/fr
Publication of JPS57182680A publication Critical patent/JPS57182680A/ja
Priority to SG533/86A priority patent/SG53386G/en
Priority to HK739/86A priority patent/HK73986A/xx
Publication of JPS6243149B2 publication Critical patent/JPS6243149B2/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Control Of Stepping Motors (AREA)
JP6882581A 1981-05-07 1981-05-07 Analog electronic clock Granted JPS57182680A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP6882581A JPS57182680A (en) 1981-05-07 1981-05-07 Analog electronic clock
US06/375,649 US4477196A (en) 1981-05-07 1982-05-06 Analog electronic timepiece
GB08213117A GB2101368B (en) 1981-05-07 1982-05-06 Improvements in or relating to pulse actuated stepping motor driven electronic timepieces.
DE3217207A DE3217207C2 (de) 1981-05-07 1982-05-07 Elektronische Analoguhr
CH286682A CH648179GA3 (en:Method) 1981-05-07 1982-05-07
SG533/86A SG53386G (en) 1981-05-07 1986-06-12 Improvements in or relating to pluse actuated stepping motor driven electronic timepieces
HK739/86A HK73986A (en) 1981-05-07 1986-10-02 Improvements in or relating to pulse actuated stepping motor driven electronic timepieces

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6882581A JPS57182680A (en) 1981-05-07 1981-05-07 Analog electronic clock

Publications (2)

Publication Number Publication Date
JPS57182680A JPS57182680A (en) 1982-11-10
JPS6243149B2 true JPS6243149B2 (en:Method) 1987-09-11

Family

ID=13384866

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6882581A Granted JPS57182680A (en) 1981-05-07 1981-05-07 Analog electronic clock

Country Status (1)

Country Link
JP (1) JPS57182680A (en:Method)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07117588B2 (ja) * 1985-01-10 1995-12-18 セイコーエプソン株式会社 電子時計

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5296066A (en) * 1976-02-09 1977-08-12 Seiko Epson Corp Electronic wrist watch
JPS53132383A (en) * 1977-04-23 1978-11-18 Seiko Instr & Electronics Ltd Electronic watch circuit
JPS5788375A (en) * 1980-11-22 1982-06-02 Seiko Epson Corp Electronic clock

Also Published As

Publication number Publication date
JPS57182680A (en) 1982-11-10

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