Vehicular signal apparatus

Details Vehicular signal apparatus Vehicular signal apparatus

1978-10-24

1980-08-26

Robinson, Thomas A.

Communications: electrical

Selective

Having indication or alarm

340328, 340384R, G08B 300

Patent

active

042197996

ABSTRACT:
My invention teaches a vehicular signal apparatus, in particular a motor vehicle horn system, which has two successive loudness levels of operation. The first loudness level is a moderate level used as a brief "toot" to give a quick alert, as in pedestrian traffic or the like. The second loudness level is a commanding level used as a blast, as for example, in an emergency maneuver in heavy traffic. Operation is automatic, in the sense that a brief operator activation of the horn signal switch will result only in the activation of the moderate level horn, whereas operation of the blast horn is delayed such that continuous operator activation of the horn signal switch will cause the blast horn to blow within about a second after horn switch contact is made.

REFERENCES:
patent: 3315249 (1967-04-01), Clements
patent: 3688293 (1972-08-01), Sullivan
patent: 3931621 (1976-01-01), Rose

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