JPS55129785A - Step motor mechanism for electronic watch - Google Patents
Step motor mechanism for electronic watchInfo
- Publication number
- JPS55129785A JPS55129785A JP3014580A JP3014580A JPS55129785A JP S55129785 A JPS55129785 A JP S55129785A JP 3014580 A JP3014580 A JP 3014580A JP 3014580 A JP3014580 A JP 3014580A JP S55129785 A JPS55129785 A JP S55129785A
- Authority
- JP
- Japan
- Prior art keywords
- drive current
- voltage
- step motor
- inverter
- gate
- 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
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
- G04C3/14—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor
- G04C3/143—Means to reduce power consumption by reducing pulse width or amplitude and related problems, e.g. detection of unwanted or missing step
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3014580A JPS55129785A (en) | 1980-03-10 | 1980-03-10 | Step motor mechanism for electronic watch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3014580A JPS55129785A (en) | 1980-03-10 | 1980-03-10 | Step motor mechanism for electronic watch |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12892372A Division JPS5542356B2 (ja) | 1972-12-22 | 1972-12-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55129785A true JPS55129785A (en) | 1980-10-07 |
Family
ID=12295589
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3014580A Pending JPS55129785A (en) | 1980-03-10 | 1980-03-10 | Step motor mechanism for electronic watch |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55129785A (ja) |
-
1980
- 1980-03-10 JP JP3014580A patent/JPS55129785A/ja active Pending
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