Dual acoustic horn assembly

Details Dual acoustic horn assembly Dual acoustic horn assembly

1993-04-01

1995-03-14

Dang, Khanh

Acoustics

Diaphragm and enclosure

With horn

181178, 181179, 181188, 181189, 181141, 381 86, 381156, H05K 500

Patent

active

053978668

ABSTRACT:
An acoustic horn assembly for use as part of an electronic siren system for an emergency vehicle comprises a pair of integrated molded, rigid plastic members which cooperate to define a pair of divergent sound passages. The entrance ends of these sound passages are displaced do that they may be coupled to separate sound generators, the sound generators being supported from respective vehicle frame side rails. The sound generators are coupled to the sound passage entrance ends by adjustable length sound transmission conduits which are in the form of elbows.

REFERENCES:
patent: 1853955 (1932-04-01), Blattner
patent: 4334211 (1982-06-01), McConnell et al.
patent: 4878561 (1989-11-01), Tengstrand et al.
patent: 5008944 (1991-04-01), Sels et al.
patent: 5187333 (1993-02-01), Adair

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