PIECE D'HORLOGERIE ELECTRONIQUE, NOTAMMENT MONTRE-BRACELET ELECTRONIQUE

An electronic timepiece includes a stepping motor having a stator, a drive coil and a rotor which is driven in one of at least two different states. The state of the driving motor is changed in response to a change in the load of the motor or in response to the locating of the motor in an external m...

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Bibliographic Details
Main Authors KATSUHIKO SATO, SHUJI OTAWA, MASAAKI MANDAI, MAKOTO UEDA, AKIRA TORISAWA, MASAHARU SHIDA
Format Patent
LanguageFrench
Subjects
CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS
CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
ELECTROMECHANICAL CLOCKS OR WATCHES
GENERATION
HOROLOGY
PHYSICS
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Summary:An electronic timepiece includes a stepping motor having a stator, a drive coil and a rotor which is driven in one of at least two different states. The state of the driving motor is changed in response to a change in the load of the motor or in response to the locating of the motor in an external magnetic field.
Bibliography:Application Number: CH19790006738