Acoustical attenuating device and chair equipped therewith

Details Acoustical attenuating device and chair equipped therewith Acoustical attenuating device and chair equipped therewith

1982-12-09

1985-05-14

Gonzales, John

Acoustics

Sound-modifying means

181296, 181290, G10K 1100

Patent

active

045166560

ABSTRACT:
An acoustical device for reducing sound pressure levels and the potential for noise induced hearing loss comprising an arched shaped acoustic pad having an interior or frontal concave sound absorption panel and an exterior or rear convex sound shield supported by an interior frame member. Sound attenuation is accomplished by enclosing the frame with at least one layer of resilient material having a high sound absorption coefficient. The acoustic pad is affixed to the back of a musician's chair by means of a mounting device which provides a high degree of flexibility in positioning for optimal directional protection of the performer.

REFERENCES:
patent: 3452836 (1969-07-01), Carsello et al.
patent: 3780825 (1973-12-01), Rinaldi
patent: 4042791 (1977-08-01), Wiseman
patent: 4093482 (1978-06-01), Ogata et al.
Westmore, G. A., Noise Induced Hearing Loss and Orchestral Musicians, Archives of Otolaryngology, vol. 107, 761-764, 1981.
Meyer, J. J., A Study of High Noise Levels in Symphony Orchestras, 1974.

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