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    • 3. 发明专利
    • ELECTRONIC WATCH WITH GENERATOR
    • JPH06300865A
    • 1994-10-28
    • JP9168793
    • 1993-04-19
    • SEIKO INSTR INC
    • NEGISHI KOICHIRONAKAJIMA KENICHI
    • G04C10/00H02P9/00
    • PURPOSE:To effectively utilize generating energy by detecting a moving amount of a magnet and controlling an amount of a load to the magnet due to generation of a generator. CONSTITUTION:When a weight 101 is moved by a movement of a human body, the movement is transmitted to a gear train 102, and a magnet 103a of a generator 103 is moved. When a magnetic flux density flowing to a coil 103b of the generator 103 is varied by the movement of the magnet 103a, an induced current flows in the coil 103b. This induced current is rectified by a rectifier 104, and stored in a secondary cell or a capacitor 105. The movement of the magnet 103a is detected by any of a mechanically coupled members such as the weight 101, the train 102, the magnet 102a. A storage amount of the capacitor 105 is detected by a storage detector 109. A generating load is controlled by altering an impedance of a generator circuit according to a moving rate of the detected magnet and the storage of the capacitor.