Patent ID: 6584043
Filing Date: 2003-06-24
Classification: G04C,G04G

Abstract:
An electronically controlled mechanical timepiece including a mechanical energy source, a generator, driven by said mechanical energy source, for outputting electrical energy by generating induction power, a storage device for storing the electrical energy output from said generator, and a rotation control device, driven by electrical energy supplied from said storage device, for controlling a rotation period of said generator, said electronically controlled mechanical timepiece further comprising:a bypass circuit connected in parallel with said storage device and not in parallel with said generator; said bypass circuit comprising a bypass circuit switch; a voltage detection circuit for controlling said bypass circuit switch on and off according to a voltage of said storage device; and wherein said generator includes two terminals and said rotation control device comprises a circuit opening/closing device for disconnecting said terminals of said generator or for connecting said terminals in a closed loop state.