Electric horn structure with the trumpet body and the resonator

Details Electric horn structure with the trumpet body and the resonator Electric horn structure with the trumpet body and the resonator

1998-08-04

2000-10-03

Dang, Khanh

Acoustics

Diaphragm and enclosure

With horn

H05K 500

Patent

active

061259640

ABSTRACT:
An electric horn structure with the trumpet body and resonator in one piece. The body is seamless and comprises a pipe section as the resonator and trumpet section, wherein the trumpet section further comprises an outward hook-shaped reinforced rim at the larger diameter end of the trumpet section. By providing the seamless one-piece horn structure, the electric horn utilizing the present invention can have stable vibration-and-sound wave conversion, excellent sound quality, extended lifetime, small size and high performance capability.

REFERENCES:
patent: 1157292 (1915-10-01), Bretz
patent: 2722991 (1955-11-01), Carbonneau
patent: 3855428 (1974-12-01), Itagaki
patent: 4234766 (1980-11-01), Cacho
patent: 4664055 (1987-05-01), Hayashi

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