JPS5290011A - Rotor of step motor for watch - Google Patents
Rotor of step motor for watchInfo
- 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
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
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 |
GB39046/76A GB1563002A (en) | 1975-09-22 | 1976-09-21 | Rotar assembly for a stepping motor |
DE2642417A DE2642417C2 (en) | 1975-09-22 | 1976-09-21 | Rotor arrangement for a stepper motor of an electronic watch |
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS554692U (en) * | 1978-06-26 | 1980-01-12 |
-
1976
- 1976-01-21 JP JP575176A patent/JPS5290011A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS554692U (en) * | 1978-06-26 | 1980-01-12 |
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