JPS56111485A - Watch - Google Patents

Watch

Info

Publication number
JPS56111485A
JPS56111485A JP12522780A JP12522780A JPS56111485A JP S56111485 A JPS56111485 A JP S56111485A JP 12522780 A JP12522780 A JP 12522780A JP 12522780 A JP12522780 A JP 12522780A JP S56111485 A JPS56111485 A JP S56111485A
Authority
JP
Japan
Prior art keywords
detector circuit
load current
rotor
amplifier
points
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
JP12522780A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0118398B2 (en, 2012
Inventor
Jiyannkuroodo Berunei
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.)
Berney SA Jean Claude
Original Assignee
Berney SA Jean Claude
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 Berney SA Jean Claude filed Critical Berney SA Jean Claude
Publication of JPS56111485A publication Critical patent/JPS56111485A/ja
Publication of JPH0118398B2 publication Critical patent/JPH0118398B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G04HOROLOGY
    • G04CELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/14Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor
    • G04C3/143Means 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)
JP12522780A 1979-09-10 1980-09-09 Watch Granted JPS56111485A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH813779A CH635722B (fr) 1979-09-10 1979-09-10 Piece d'horlogerie comportant un circuit de detection et de controle pour moteur pas a pas.

Publications (2)

Publication Number Publication Date
JPS56111485A true JPS56111485A (en) 1981-09-03
JPH0118398B2 JPH0118398B2 (en, 2012) 1989-04-05

Family

ID=4335723

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12522780A Granted JPS56111485A (en) 1979-09-10 1980-09-09 Watch

Country Status (5)

Country Link
JP (1) JPS56111485A (en, 2012)
CH (1) CH635722B (en, 2012)
DE (1) DE3033350C2 (en, 2012)
FR (1) FR2465229A1 (en, 2012)
GB (1) GB2059648B (en, 2012)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2900153B1 (ja) * 1998-02-10 1999-06-02 セイコーインスツルメンツ株式会社 アナログ電子時計

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5475518A (en) * 1977-11-29 1979-06-16 Seiko Epson Corp Electronic clock
JPS5477165A (en) * 1977-12-02 1979-06-20 Seiko Instr & Electronics Ltd Electronic watch

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53114467A (en) * 1977-03-16 1978-10-05 Seiko Instr & Electronics Ltd Electronic watch

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5475518A (en) * 1977-11-29 1979-06-16 Seiko Epson Corp Electronic clock
JPS5477165A (en) * 1977-12-02 1979-06-20 Seiko Instr & Electronics Ltd Electronic watch

Also Published As

Publication number Publication date
FR2465229B1 (en, 2012) 1983-06-24
CH635722GA3 (en, 2012) 1983-04-29
FR2465229A1 (fr) 1981-03-20
DE3033350C2 (de) 1983-04-28
JPH0118398B2 (en, 2012) 1989-04-05
CH635722B (fr)
GB2059648B (en) 1983-06-29
DE3033350A1 (de) 1981-03-12
GB2059648A (en) 1981-04-23

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