Class 368/149 - Electric

Subclass of Class 368 - Horology: time measuring systems or devices
Definition: Subject matter wherein the automatic means has an electrical
No. of patents: 3
Last issue date: 09/19/2000

Number	Title	Issue Date
6120177	Electronic watch In an electronic watch including a so-called automatic winding dynamo, structures of parts themselves and layout of the parts are improved to achieve a reduction in thickness of the electronic watch. Bearing portions for a rotational shaft (211) of a dyna...	09/19/2000
4910721	Electronic watch A timepiece includes a hairspring for storing the energy provided by a step motor driving circuit and a rotor immersed in a viscous fluid controls the energy released by the hairspring to provide a constant driving force for turning the display hands of t...	03/20/1990
4901295	Device comprising a solar cell for winding a barrel spring A barrel spring winding device comprises a solar cell (3) arranged to receive ambient light, a capacitor (4) connected to the terminals of the cell, a stepping motor (6) and a control circuit (5). The input of the circuit is connected to the terminals of ...	02/13/1990

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