The invention provides a turn detecting circuit comprising a slide-wire rheostat, a first comparator, a second comparator and a turn lamp. The slide-wire rheostat is connected with a steering wheel and outputs a voltage signal proportional to the turn of the steering wheel; the first input end of the first comparator is connected with the output end of the slide-wire rheostat, the second input end thereof is connected with first reference voltage, and the output end thereof outputs a turn-on signal; the first input end of the second comparator is connected with the output end of the slide-wire rheostat, the second input end thereof is connected with second reference voltage, and the output end thereof outputs a turn-off signal; the turn lamp is connected to the output end of the first comparator and that of the second comparator and is turned on or off according to the turn-on signal and the turn-off signal.
Turn detecting circuit
2015-06-24
Patent
Electronic Resource
English
IPC: | B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein |
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