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JPS5376075A - Two hands type crystal watch with hands operation controller - Google Patents

Two hands type crystal watch with hands operation controller

Info

Publication number
JPS5376075A
JPS5376075A JP15230576A JP15230576A JPS5376075A JP S5376075 A JPS5376075 A JP S5376075A JP 15230576 A JP15230576 A JP 15230576A JP 15230576 A JP15230576 A JP 15230576A JP S5376075 A JPS5376075 A JP S5376075A
Authority
JP
Japan
Prior art keywords
hands
type crystal
operation controller
crystal watch
step motor
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.)
Pending
Application number
JP15230576A
Other languages
Japanese (ja)
Inventor
Masaaki Bandai
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 JP15230576A priority Critical patent/JPS5376075A/en
Publication of JPS5376075A publication Critical patent/JPS5376075A/en
Pending legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE:To apply currents of opposite directions alternately to a step motor and drive the step motor laternately by detecting the positions of the rotor of the step motor.
JP15230576A 1976-12-17 1976-12-17 Two hands type crystal watch with hands operation controller Pending JPS5376075A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15230576A JPS5376075A (en) 1976-12-17 1976-12-17 Two hands type crystal watch with hands operation controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15230576A JPS5376075A (en) 1976-12-17 1976-12-17 Two hands type crystal watch with hands operation controller

Publications (1)

Publication Number Publication Date
JPS5376075A true JPS5376075A (en) 1978-07-06

Family

ID=15537612

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15230576A Pending JPS5376075A (en) 1976-12-17 1976-12-17 Two hands type crystal watch with hands operation controller

Country Status (1)

Country Link
JP (1) JPS5376075A (en)

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