High acoustic output horn

Details High acoustic output horn High acoustic output horn

1995-03-22

1997-09-02

Cuchlinski, Jr., William A.

Signals and indicators

Horns, whistles and compressional wave generators

Diaphragm horns

116142R, G10K 904

Patent

active

056620640

ABSTRACT:
A high output horn for sports' fans can have a pair of plastic tubes spanned at one end by a membrane with a setback of the outer tube from the inner tube of 0.1 to 0.3 mm and a ratio of the inner diameters of the two tubes between 1.1 and 1.7 and a ratio of the outer diameter of the thickness of the membrane spanning the tubes of substantially 1000 to 2000. Air is blown in through a lateral opening in the outer tube and the end opposite the membrane of the air gap between the two tubes is closed.

REFERENCES:
patent: 870074 (1907-11-01), Astrom
patent: 1655675 (1928-01-01), Cunningham
patent: 1679011 (1928-07-01), Widmyer
patent: 2370939 (1945-03-01), Cooney
patent: 2918895 (1959-02-01), Buel
patent: 3000344 (1961-09-01), Ferrell
patent: 3429294 (1969-02-01), Holm
patent: 3785335 (1974-01-01), Wagner
patent: 4970983 (1990-11-01), LeBlanc
patent: 5460116 (1995-10-01), Gyorgy

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