JPS6262307B2 - - Google Patents

Info

Publication number
JPS6262307B2
JPS6262307B2 JP53161509A JP16150978A JPS6262307B2 JP S6262307 B2 JPS6262307 B2 JP S6262307B2 JP 53161509 A JP53161509 A JP 53161509A JP 16150978 A JP16150978 A JP 16150978A JP S6262307 B2 JPS6262307 B2 JP S6262307B2
Authority
JP
Japan
Prior art keywords
rotor
detection
terminal
drive
voltage
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
JP53161509A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5587976A (en
Inventor
Jun Ueda
Akira Torisawa
Shuji Ootawa
Masaaki Bandai
Masaharu Shida
Katsuhiko Sato
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 JP16150978A priority Critical patent/JPS5587976A/ja
Priority to US06/100,222 priority patent/US4321521A/en
Priority to GB7942565A priority patent/GB2038512A/en
Priority to CH1143279A priority patent/CH639235B/fr
Priority to DE19792951947 priority patent/DE2951947A1/de
Priority to FR7931591A priority patent/FR2445653A1/fr
Publication of JPS5587976A publication Critical patent/JPS5587976A/ja
Publication of JPS6262307B2 publication Critical patent/JPS6262307B2/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
    • G04C3/143—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)
JP16150978A 1978-12-25 1978-12-26 Device for detecting electronic watch Granted JPS5587976A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP16150978A JPS5587976A (en) 1978-12-26 1978-12-26 Device for detecting electronic watch
US06/100,222 US4321521A (en) 1978-12-25 1979-12-04 Detection device of electronic timepiece
GB7942565A GB2038512A (en) 1978-12-25 1979-12-10 Stepping motor driven electronic timepieces
CH1143279A CH639235B (fr) 1978-12-25 1979-12-21 Dispositif de detection de rotation/non-rotation et de production d'impulsions correctrices, pour piece d'horlogerie electronique, notamment pour montre-bracelet electronique.
DE19792951947 DE2951947A1 (de) 1978-12-25 1979-12-22 Antriebsschaltung fuer einen schrittmotor einer elektrischen uhr
FR7931591A FR2445653A1 (fr) 1978-12-25 1979-12-24 Dispositif de detection pour une montre electronique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16150978A JPS5587976A (en) 1978-12-26 1978-12-26 Device for detecting electronic watch

Publications (2)

Publication Number Publication Date
JPS5587976A JPS5587976A (en) 1980-07-03
JPS6262307B2 true JPS6262307B2 (enrdf_load_stackoverflow) 1987-12-25

Family

ID=15736403

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16150978A Granted JPS5587976A (en) 1978-12-25 1978-12-26 Device for detecting electronic watch

Country Status (1)

Country Link
JP (1) JPS5587976A (enrdf_load_stackoverflow)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5341270A (en) * 1976-09-27 1978-04-14 Seiko Epson Corp Electronic wristwatch
JPS53132171A (en) * 1977-04-22 1978-11-17 Kobe Steel Ltd Process for wastewater treatment
JPS5587076A (en) * 1978-12-25 1980-07-01 Seiko Instr & Electronics Ltd Electronic watch
JPS5587077A (en) * 1978-12-25 1980-07-01 Seiko Instr & Electronics Ltd Detector for electronic watch

Also Published As

Publication number Publication date
JPS5587976A (en) 1980-07-03

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