Passive sound gathering apparatus

Details Passive sound gathering apparatus Passive sound gathering apparatus

1996-03-07

1997-12-09

Dang, Khanh

Acoustics

Anatomic or prosthetic relation

Ear and mouth

181129, 2423, 2425, H04R 2500, A42B 108

Patent

active

056963564

ABSTRACT:
A head worn sound gathering apparatus having a pair of sound gathering horns with rearward facing apertures. Each sound gathering horn includes a tapered sound channeling tube portion which communicates with an ear covering. Sound received through the rearward facing apertures is amplified and directed to the ear coverings wherein the sounds reach the ears of a wearer. The sound gathering horns and ear covers are preferably worn in association with a helmet such as a cyclist helmet.

REFERENCES:
patent: 373835 (1887-05-01), Pitre
patent: 1761666 (1930-06-01), Hinternesch
patent: 1856324 (1932-05-01), Fensky
patent: 2810445 (1957-10-01), Garrido
patent: 3938616 (1976-02-01), Brownfield
patent: 5044014 (1991-09-01), Cornale et al.
patent: 5086789 (1992-02-01), Tichy
patent: 5231704 (1993-08-01), Hildenbrand
patent: 5361419 (1994-11-01), Bernstein

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