JPS547373A - Electronic watch - Google Patents

Electronic watch

Info

Publication number
JPS547373A
JPS547373A JP7248677A JP7248677A JPS547373A JP S547373 A JPS547373 A JP S547373A JP 7248677 A JP7248677 A JP 7248677A JP 7248677 A JP7248677 A JP 7248677A JP S547373 A JPS547373 A JP S547373A
Authority
JP
Japan
Prior art keywords
electronic watch
load
watch
reduction
detecting
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
JP7248677A
Other languages
Japanese (ja)
Other versions
JPS6137587B2 (en
Inventor
Hiroshi Ishii
Minoru Hosokawa
Yoshii Kawamura
Sakio Okazaki
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
Suwa Seikosha KK
Original Assignee
Seiko Epson Corp
Suwa Seikosha 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, Suwa Seikosha KK filed Critical Seiko Epson Corp
Priority to JP7248677A priority Critical patent/JPS547373A/en
Publication of JPS547373A publication Critical patent/JPS547373A/en
Publication of JPS6137587B2 publication Critical patent/JPS6137587B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Electromechanical Clocks (AREA)
  • Control Of Stepping Motors (AREA)

Abstract

PURPOSE:To increase effective electro-mechanical converting efficiency and achieve the reduction in power consumption of the watch by detecting the equivalent load from the rotating state of a pulse motor and controlling the driving conditions of the motor according to the change in the load having been detected.
JP7248677A 1977-06-17 1977-06-17 Electronic watch Granted JPS547373A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7248677A JPS547373A (en) 1977-06-17 1977-06-17 Electronic watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7248677A JPS547373A (en) 1977-06-17 1977-06-17 Electronic watch

Publications (2)

Publication Number Publication Date
JPS547373A true JPS547373A (en) 1979-01-20
JPS6137587B2 JPS6137587B2 (en) 1986-08-25

Family

ID=13490693

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7248677A Granted JPS547373A (en) 1977-06-17 1977-06-17 Electronic watch

Country Status (1)

Country Link
JP (1) JPS547373A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5619399A (en) * 1979-07-09 1981-02-24 Suisse Horlogerie Method of feeding single phase stepping motor for watch
JPS5646698A (en) * 1979-09-04 1981-04-27 Suisse Horlogerie Power supply device for clockkuse single phase stepping motor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5619399A (en) * 1979-07-09 1981-02-24 Suisse Horlogerie Method of feeding single phase stepping motor for watch
JPS6240960B2 (en) * 1979-07-09 1987-08-31 Suisehooru Eru Ind Hoorogeru Maneejimento Saabisesu Sa Soc
JPS5646698A (en) * 1979-09-04 1981-04-27 Suisse Horlogerie Power supply device for clockkuse single phase stepping motor
JPS5829720B2 (en) * 1979-09-04 1983-06-24 ソシエテ・スイセ・ポ−ル・エル・インダストリ−・ホ−ロゲル・マネ−ジメント・サ−ビセス・エス・エ− Power supply device for single-phase stepping motor for watches

Also Published As

Publication number Publication date
JPS6137587B2 (en) 1986-08-25

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