JPS5290011A - Rotor of step motor for watch - Google Patents

Rotor of step motor for watch

Info

Publication number
JPS5290011A
JPS5290011A JP575176A JP575176A JPS5290011A JP S5290011 A JPS5290011 A JP S5290011A JP 575176 A JP575176 A JP 575176A JP 575176 A JP575176 A JP 575176A JP S5290011 A JPS5290011 A JP S5290011A
Authority
JP
Japan
Prior art keywords
rotor
watch
step motor
matnetic
eccentricity
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
JP575176A
Other languages
Japanese (ja)
Inventor
Yoshinobu Kajima
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.)
Citizen Watch Co Ltd
Original Assignee
Citizen Watch Co Ltd
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 Citizen Watch Co Ltd filed Critical Citizen Watch Co Ltd
Priority to JP575176A priority Critical patent/JPS5290011A/en
Priority to US05/723,273 priority patent/US4095129A/en
Priority to DE2642417A priority patent/DE2642417C2/en
Priority to GB39046/76A priority patent/GB1563002A/en
Publication of JPS5290011A publication Critical patent/JPS5290011A/en
Pending legal-status Critical Current

Links

Landscapes

  • Permanent Field Magnets Of Synchronous Machinery (AREA)

Abstract

PURPOSE: To control horizontal deviation and eccentricity by forming thickness of a rotor magnet greater than the radial width thereof and measuring longer the interference for a magnet itself and non-matnetic metal member.
COPYRIGHT: (C)1977,JPO&Japio
JP575176A 1975-09-22 1976-01-21 Rotor of step motor for watch Pending JPS5290011A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP575176A JPS5290011A (en) 1976-01-21 1976-01-21 Rotor of step motor for watch
US05/723,273 US4095129A (en) 1975-09-22 1976-09-15 Rotor assembly for electro-mechanical transducer of electronic timepiece
DE2642417A DE2642417C2 (en) 1975-09-22 1976-09-21 Rotor arrangement for a stepper motor of an electronic watch
GB39046/76A GB1563002A (en) 1975-09-22 1976-09-21 Rotar assembly for a stepping motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP575176A JPS5290011A (en) 1976-01-21 1976-01-21 Rotor of step motor for watch

Publications (1)

Publication Number Publication Date
JPS5290011A true JPS5290011A (en) 1977-07-28

Family

ID=11619808

Family Applications (1)

Application Number Title Priority Date Filing Date
JP575176A Pending JPS5290011A (en) 1975-09-22 1976-01-21 Rotor of step motor for watch

Country Status (1)

Country Link
JP (1) JPS5290011A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS554692U (en) * 1978-06-26 1980-01-12

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS554692U (en) * 1978-06-26 1980-01-12

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