A rechargeable electrical power supply unit (1) for an electronic device (2) of a bicycle, comprising three battery elements (5, 6, 7) with a positive pole (5a, 6a, 7a) and a negative pole (5b, 6b, 7b). The battery elements (5, 6, 7) are arranged in such a...

A bicycle power supply apparatus comprises a battery unit 32 for storing power from a power supply and for supplying power to electrical components; a power switch 31 operatively coupled to the battery unit 32 for selectively switching power from the batte...

A circuit that receives signals from a dynamo (1) and provides signals for charging a battery and indicating bicycle speed. The circuit includes a first switching circuit (2) adapted to receive the dynamo signals and provide first signals for charging the ...

A charging apparatus of a bicycle dynamo is configured and arranged to charge a voltage generated by a dynamo GE and comprises a first capacitor C1, a second capacitor C2, a first diode D1 and a third diode D3. The second capacitor C2 is supplied and charg...

A charging apparatus (1) comprises a rectifying circuit (5) for rectifying the alternating current from the bicycle dynamo (2); a full-wave charging element (6) operatively coupled to the rectifying circuit (5) for charging during both positive and negativ...

A circuit that receives signals from a dynamo and provides signals for charging a battery and indicating bicycle speed. The circuit includes a first switching circuit adapted to receive the dynamo signals and provide first signals for charging the battery;...