JPH0232594B2 - - Google Patents

Info

Publication number
JPH0232594B2
JPH0232594B2 JP56185848A JP18584881A JPH0232594B2 JP H0232594 B2 JPH0232594 B2 JP H0232594B2 JP 56185848 A JP56185848 A JP 56185848A JP 18584881 A JP18584881 A JP 18584881A JP H0232594 B2 JPH0232594 B2 JP H0232594B2
Authority
JP
Japan
Prior art keywords
detection
resistance
circuit
value
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.)
Expired - Lifetime
Application number
JP56185848A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5886479A (ja
Inventor
Jiro Ito
Masuo Kitano
Kenji Sakamoto
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
SHIMAUCHI SEIKI KK
Original Assignee
Seiko Epson Corp
SHIMAUCHI SEIKI KK
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, SHIMAUCHI SEIKI KK filed Critical Seiko Epson Corp
Priority to JP18584881A priority Critical patent/JPS5886479A/ja
Publication of JPS5886479A publication Critical patent/JPS5886479A/ja
Publication of JPH0232594B2 publication Critical patent/JPH0232594B2/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)
  • Electromechanical Clocks (AREA)
  • Control Of Stepping Motors (AREA)
JP18584881A 1981-11-19 1981-11-19 アナログ電子時計 Granted JPS5886479A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18584881A JPS5886479A (ja) 1981-11-19 1981-11-19 アナログ電子時計

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18584881A JPS5886479A (ja) 1981-11-19 1981-11-19 アナログ電子時計

Publications (2)

Publication Number Publication Date
JPS5886479A JPS5886479A (ja) 1983-05-24
JPH0232594B2 true JPH0232594B2 (enrdf_load_stackoverflow) 1990-07-20

Family

ID=16177932

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18584881A Granted JPS5886479A (ja) 1981-11-19 1981-11-19 アナログ電子時計

Country Status (1)

Country Link
JP (1) JPS5886479A (enrdf_load_stackoverflow)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5593081A (en) * 1979-01-09 1980-07-15 Citizen Watch Co Ltd Pulse motor driver circuit for time piece
JPS5643575A (en) * 1979-09-18 1981-04-22 Seiko Instr & Electronics Ltd Electronic clock

Also Published As

Publication number Publication date
JPS5886479A (ja) 1983-05-24

Similar Documents

Publication Publication Date Title
US4361410A (en) Drive system for pulse motor
JPS6115387B2 (enrdf_load_stackoverflow)
US11165376B2 (en) Movement and electronic timepiece
US4158287A (en) Driver circuit for electro-mechanical transducer
US4321520A (en) Electronic timepiece
US4368990A (en) Electronic timepiece
EP0108732B1 (en) A device for controlling a reluctance motor
GB2082806A (en) A method of reducing the power consumption of the stepping motor of an electronic timepiece
US4276626A (en) Electronic watch
JPH0221757B2 (enrdf_load_stackoverflow)
JPS6258476B2 (enrdf_load_stackoverflow)
JPH0232594B2 (enrdf_load_stackoverflow)
US5317244A (en) Motor control unit provided with anti-burning device
US4312058A (en) Electronic watch
JPH04217900A (ja) 単相ステップモータへの供給電流制御回路    
US4440502A (en) Electronic timepiece
US11899405B2 (en) Electronic watch, motor control circuit, and method for controlling electronic watch
US4754210A (en) Method of and a device for controlling a stepping motor
JPS6115384B2 (enrdf_load_stackoverflow)
JP7501258B2 (ja) ムーブメントおよび電子時計
JPS6130225B2 (enrdf_load_stackoverflow)
JPS6318149B2 (enrdf_load_stackoverflow)
JPS6115386B2 (enrdf_load_stackoverflow)
JPH0352589B2 (enrdf_load_stackoverflow)
JPS6140949B2 (enrdf_load_stackoverflow)