Noise-attenuating shielding unit and method for loudspeakers

Details Noise-attenuating shielding unit and method for loudspeakers Noise-attenuating shielding unit and method for loudspeakers

1998-08-06

1999-08-24

Dang, Khanh

Acoustics

Diaphragm and enclosure

With sound-absorbing means

181199, H05K 500

Patent

active

059427345

ABSTRACT:
A noise-attenuating shielding unit and method for a speaker according to which a shield is formed by a housing of a noise-attenuating material having a metal plate attached thereto. The housing is located over at least a portion of the speaker and relative to the speaker so that the plate is magnetically attracted to the magnet of the speaker to secure the shielding unit to the speaker.

REFERENCES:
patent: 3592290 (1971-07-01), Armstrong
patent: 4127751 (1978-11-01), Kinoshita
patent: 4439644 (1984-03-01), Bruney, III
patent: 4506759 (1985-03-01), Fatovic
patent: 5570429 (1996-10-01), Paddock
patent: 5629503 (1997-05-01), Thomasen

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