Speaker system with sound absorbing diaphragm

Details Speaker system with sound absorbing diaphragm Speaker system with sound absorbing diaphragm

1996-05-21

1998-03-24

Dang, Khanh

Acoustics

Diaphragm and enclosure

Reflex baffle

181146, H05R 500

Patent

active

057315523

ABSTRACT:
Interference between sound waves of different frequencies in a speaker system having a woofer and associated transmission tube are eliminated by securing a sound absorbing diaphragm to the output end of the tube to absorb sharp and high frequency sound waves while permitting low frequency sound waves to be transmitted through the diaphragm.

REFERENCES:
patent: 3780824 (1973-12-01), Prince
patent: 4076097 (1978-02-01), Clarke
patent: 4953655 (1990-09-01), Furukawa
patent: 5012889 (1991-05-01), Rodgers
patent: 5150417 (1992-09-01), Stahl
patent: 5197103 (1993-03-01), Hayakawa
patent: 5373564 (1994-12-01), Spear et al.

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