Combination turn signal and hazard warning flasher with variable

Details Combination turn signal and hazard warning flasher with variable Combination turn signal and hazard warning flasher with variable

1978-02-21

1979-10-30

Yusko, Donald J.

Communications: electrical

Selective

Having indication or alarm

340 81R, 340331, 315200A, B60Q 138

Patent

active

041730135

ABSTRACT:
A combination turn signal and hazard warning flasher with variable load in which (1) the flashing frequency is controlled by a Cmos oscillator with a flashing frequency independent of lamp voltage or current, (2) the lamp load current passes through relay contacts and not through the turn signal switch, and (3) which may be used on positive ground and negative ground systems.

REFERENCES:
patent: 3896415 (1975-07-01), Carter
patent: 3940657 (1976-02-01), Kasiewicz
patent: 3955174 (1976-05-01), Ives et al.
patent: 4080588 (1978-03-01), Seitter et al.
"Car Indicator Emergency Flasher," J. B. Dance, Practical Electronics, May 1975, pp. 410-413.

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