Sound focusing mechanism and method of estimating acoustic...

Details Sound focusing mechanism and method of estimating acoustic... Sound focusing mechanism and method of estimating acoustic...

2011-03-22

2011-03-22

Faulk, Devona E (Department: 2614)

Measuring and testing

Vibration

By mechanical waves

C073S642000, C073S645000, C073S646000, C181S175000, C381S061000, C381S058000, C381S059000

Reexamination Certificate

active

07908924

ABSTRACT:
A sound focusing mechanism for generating a focused source of sound, which can be used to identify the transmission loss of an object or identify areas of acoustic leakage is disclosed. The sound focusing mechanism includes a housing having at least one wall formed from a material having high sound insulating properties. A sound generating device for generating a sound is located within a central cavity within the housing. An actuator assembly is operatively connected to the sound generating device for selectively operating the sound generating device. The wall is configured to limit the transmission of the sound there through such that a focused beam or pulse sound is emitted from the mechanism through the opening.

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http://www.sota.ca/stc—info.htm—Sound Transmission Class—Discussion and Use—captured Jun. 18, 2003.

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