JPS5773690A - Electronic timepiece - Google Patents
Electronic timepieceInfo
- Publication number
- JPS5773690A JPS5773690A JP14903080A JP14903080A JPS5773690A JP S5773690 A JPS5773690 A JP S5773690A JP 14903080 A JP14903080 A JP 14903080A JP 14903080 A JP14903080 A JP 14903080A JP S5773690 A JPS5773690 A JP S5773690A
- Authority
- JP
- Japan
- Prior art keywords
- coil
- rotor
- generating circuit
- time
- voltage induced
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromechanical Clocks (AREA)
- Control Of Stepping Motors (AREA)
Abstract
PURPOSE:To prevent malfunction by discriminating the erroneous advance of a rotor, by detecting the time position of a voltage induced across a coil until the rotor stops owing to an overshoot. CONSTITUTION:After a driving pulse is applied from a generating circuit 15 for an electromagnetic-coil switching pulse to the driving coil 44 of a step motor, a signal having time lag is generated and applied to one-side inputs of AND circuits 27-30. Then, when a rotor 49 is driven and voltage induced at inverters 46 and 47 are lower than a prescribed voltage at the point in time of the output signal of the generating circuit 15, R-Ss FF39-FF42 are set or reset and the output of an OR circuit 33 is held at a level H, thereby applying compensation pulses to the coil 44.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14903080A JPS5773690A (en) | 1980-10-24 | 1980-10-24 | Electronic timepiece |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14903080A JPS5773690A (en) | 1980-10-24 | 1980-10-24 | Electronic timepiece |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5773690A true JPS5773690A (en) | 1982-05-08 |
Family
ID=15466128
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14903080A Pending JPS5773690A (en) | 1980-10-24 | 1980-10-24 | Electronic timepiece |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5773690A (en) |
-
1980
- 1980-10-24 JP JP14903080A patent/JPS5773690A/en active Pending
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