Dimmer controller circuit for automobile headlamps

Details Dimmer controller circuit for automobile headlamps Dimmer controller circuit for automobile headlamps

B - Operations, Transporting

60

Q

B60Q 1/14 (2006.01)

Patent

CA 2141242

A control circuit comprises an input circuit, a noninverting amplifier circuit, a inverting amplifier circuit, a low-pass filter, a voltage divider circuit, a Schmitt circuit, a rectangular-wave generator, a voltage comparator and an output circuit. Receiving a state-changing driving signal from the control circuit, the relay amplifies the signal to drive itself into action, thus controlling the headlamp to automatically switch between the high and low lights. The present design has the control circuit integrated into a thick film IC block.

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