JPS618392B2 - - Google Patents
Info
- Publication number
- JPS618392B2 JPS618392B2 JP14464777A JP14464777A JPS618392B2 JP S618392 B2 JPS618392 B2 JP S618392B2 JP 14464777 A JP14464777 A JP 14464777A JP 14464777 A JP14464777 A JP 14464777A JP S618392 B2 JPS618392 B2 JP S618392B2
- Authority
- JP
- Japan
- 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.)
- Expired
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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromechanical Clocks (AREA)
- Control Of Stepping Motors (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14464777A JPS5477165A (en) | 1977-12-02 | 1977-12-02 | Electronic watch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14464777A JPS5477165A (en) | 1977-12-02 | 1977-12-02 | Electronic watch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5477165A JPS5477165A (en) | 1979-06-20 |
| JPS618392B2 true JPS618392B2 (en) | 1986-03-13 |
Family
ID=15366927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14464777A Granted JPS5477165A (en) | 1977-12-02 | 1977-12-02 | Electronic watch |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5477165A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6324529Y2 (en) * | 1984-12-28 | 1988-07-05 | ||
| WO1995027926A1 (en) * | 1994-04-06 | 1995-10-19 | Citizen Watch Co., Ltd. | Electronic timepiece |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH635722B (en) * | 1979-09-10 | Berney Sa Jean Claude | WATCHMAKING PART INCLUDING A STEP MOTOR DETECTION AND CONTROL CIRCUIT. | |
| JPS5866090A (en) * | 1981-10-15 | 1983-04-20 | Seikosha Co Ltd | Electronic time piece |
-
1977
- 1977-12-02 JP JP14464777A patent/JPS5477165A/en active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6324529Y2 (en) * | 1984-12-28 | 1988-07-05 | ||
| WO1995027926A1 (en) * | 1994-04-06 | 1995-10-19 | Citizen Watch Co., Ltd. | Electronic timepiece |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5477165A (en) | 1979-06-20 |