An electrical control apparatus comprises a current sensor 10 and a current inhibiting circuit that inhibits current flow between first and second terminals of a bicycle dynamo 8 when current sensed by the current sensor 10 is below a selected value.

The present invention relates to a power storage and management system for a bicycle dynamo, which is particularly used to prevent the headlight and the rear light of a bicycle from being damaged at a high speed. Besides, the power storage and management s...

A power control apparatus for a bicycle that uses a first power supply and a second power supply to provide electrical power includes a voltage sensor 1004 for sensing a voltage from the first power supply. A control unit is coupled to the voltage sensor 1...

A device (1) is provided for preventing high voltage from acting on a load (3) driven by a bicycle dynamo (2). The device comprises a sensor circuit (5) and a control circuit (6). The sensor circuit (5) senses an operating signal derived from the dynamo (2...