Automotive turn signal flasher unit having integral acoustic sig

Details Automotive turn signal flasher unit having integral acoustic sig Automotive turn signal flasher unit having integral acoustic sig

1976-11-16

1980-04-01

Caldwell, Sr., John W.

Communications: electrical

Selective

Having indication or alarm

340 88, 340326, 340329, 340384E, B60Q 134, B60Q 500

Patent

active

041964152

ABSTRACT:
An automotive turn-signal flasher unit in which an astable transistor multivibrator periodically switches a flashing circuit through a switching relay is disclosed. The switching relay is formed as an electro-mechanical buzzer and thereby simultaneously provides the additional function of a separate acoustical signal source such as a buzzer.

REFERENCES:
patent: 2775751 (1956-12-01), Gordon et al.
patent: 2830284 (1958-04-01), Keegin
patent: 2896190 (1959-07-01), Gallaro et al.
patent: 3329868 (1967-07-01), Domann et al.
patent: 3343123 (1967-09-01), Troesh
patent: 3810086 (1974-05-01), Bemsel et al.
patent: 3810149 (1974-05-01), Miller et al.
patent: 3858177 (1974-12-01), Kugelmann et al.

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