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JPS5716376A - Step motor disturbance detecting and controlling device for watch - Google Patents

Step motor disturbance detecting and controlling device for watch

Info

Publication number
JPS5716376A
JPS5716376A JP9138380A JP9138380A JPS5716376A JP S5716376 A JPS5716376 A JP S5716376A JP 9138380 A JP9138380 A JP 9138380A JP 9138380 A JP9138380 A JP 9138380A JP S5716376 A JPS5716376 A JP S5716376A
Authority
JP
Japan
Prior art keywords
rotor
attraction
stationary
step motor
watch
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
JP9138380A
Other languages
Japanese (ja)
Other versions
JPS6161356B2 (en
Inventor
Kyoji Momoi
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 JP9138380A priority Critical patent/JPS5716376A/en
Publication of JPS5716376A publication Critical patent/JPS5716376A/en
Publication of JPS6161356B2 publication Critical patent/JPS6161356B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C13/00—Driving mechanisms for clocks by primary clocks
    • G04C13/08—Secondary clocks actuated intermittently
    • G04C13/10—Secondary clocks actuated intermittently by electromechanical step advancing mechanisms
    • G04C13/11—Secondary clocks actuated intermittently by electromechanical step advancing mechanisms with rotating armature

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Stepping Motors (AREA)
  • Electromechanical Clocks (AREA)

Abstract

PURPOSE:To lower driving current by reducing attraction of a rotor, by providing a function capable of detecting rotation of the rotor caused by disturbance at the time when the rotor stays stationary, and also of holding the rotor in a stationary position electromagnetically. CONSTITUTION:A depth B of a notch 4 of a step motor is set to 0.04mm., and area of the notch section is reduced to approximately two-fifth of the conventional area. As it is possible to weaken the attraction and also to make width of driving pulse narrower by doing this, drive-consuming current becomes smaller. And, in case when erroneous rotation of the stationary rotor 3 started taking place, this is detected to give a control pulse in the same direction as the driving pulse of the width of 1.5sec existing immediately before start of the erroneous rotation to keep the rotor 3 to the attraction side. After impression of control pulse by attraction, the rotor 3 is pulled back to a stationary stabilizing point 5 located in the neighborhood of the attraction side, so that it is corrected to the initial position.
JP9138380A 1980-07-04 1980-07-04 Step motor disturbance detecting and controlling device for watch Granted JPS5716376A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9138380A JPS5716376A (en) 1980-07-04 1980-07-04 Step motor disturbance detecting and controlling device for watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9138380A JPS5716376A (en) 1980-07-04 1980-07-04 Step motor disturbance detecting and controlling device for watch

Publications (2)

Publication Number Publication Date
JPS5716376A true JPS5716376A (en) 1982-01-27
JPS6161356B2 JPS6161356B2 (en) 1986-12-25

Family

ID=14024840

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9138380A Granted JPS5716376A (en) 1980-07-04 1980-07-04 Step motor disturbance detecting and controlling device for watch

Country Status (1)

Country Link
JP (1) JPS5716376A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011117974A (en) * 2011-02-25 2011-06-16 Citizen Holdings Co Ltd Analog electronic timepiece
JP2017096950A (en) * 2015-11-18 2017-06-01 ウーテーアー・エス・アー・マニファクチュール・オロロジェール・スイス Shock detection circuit and method for its operation
CN111525854A (en) * 2019-02-05 2020-08-11 精工爱普生株式会社 Electronic clock, movement and motor control circuit for clock
JP2020159818A (en) * 2019-03-26 2020-10-01 セイコーインスツル株式会社 Stepping motor controller, timepiece, and steeping motor control method

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4902267A (en) * 1989-06-12 1990-02-20 Dayco Products, Inc. Belt tensioner, kit therefor and methods of making the same
JP4751573B2 (en) 2003-12-12 2011-08-17 シチズンホールディングス株式会社 Analog electronic clock

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011117974A (en) * 2011-02-25 2011-06-16 Citizen Holdings Co Ltd Analog electronic timepiece
JP2017096950A (en) * 2015-11-18 2017-06-01 ウーテーアー・エス・アー・マニファクチュール・オロロジェール・スイス Shock detection circuit and method for its operation
EP3171231B1 (en) 2015-11-18 2018-06-06 ETA SA Manufacture Horlogère Suisse Shock detector circuit and operating method thereof
CN111525854A (en) * 2019-02-05 2020-08-11 精工爱普生株式会社 Electronic clock, movement and motor control circuit for clock
JP2020125986A (en) * 2019-02-05 2020-08-20 セイコーエプソン株式会社 Electronic timepiece, movement, and motor control circuit for timepiece
CN111525854B (en) * 2019-02-05 2023-11-17 精工爱普生株式会社 Electronic clocks, movements and motor control circuits for clocks
JP2020159818A (en) * 2019-03-26 2020-10-01 セイコーインスツル株式会社 Stepping motor controller, timepiece, and steeping motor control method

Also Published As

Publication number Publication date
JPS6161356B2 (en) 1986-12-25

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