Speaker grill

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Mounting or support feature of housed loudspeaker

Reexamination Certificate

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C381S337000, C181S176000

Reexamination Certificate

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10524593

ABSTRACT:
A speaker grille is disposed in front of a speaker having a diaphragm and reproducing the sounds of 1 kHz and higher. The speaker grille is provided with a sound opening which includes a sound opening portion that opposes a region extending from the edge portion of a diaphragm to the fixing portion o n the outer circumference of the diaphragm of the speaker. The speaker grille offers superior sound characteristics, and at the same time a sufficient mechanical strength.

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patent: 5862242 (1999-01-01), Takewa et al.
patent: 2004/0170292 (2004-09-01), Vincenot
patent: 50-81132 (1975-07-01), None
patent: 59-166584 (1984-11-01), None
patent: 60-37989 (1985-03-01), None
patent: 61-107288 (1986-07-01), None
patent: 63-183782 (1988-11-01), None
patent: 2003-037883 (2003-02-01), None
patent: WO 03010994 (2003-02-01), None

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