Planar type speaker and system using it

Details Planar type speaker and system using it Planar type speaker and system using it

2005-05-17

2005-05-17

Le, Huyen D. (Department: 2643)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Driven diverse static structure

C381S398000, C381S423000, C381S431000, C181S171000

Reexamination Certificate

active

06895097

ABSTRACT:
A planar type speaker keeps its diaphragm (2) free from any distortion in operation, thus providing high fidelity sound reproduction. The diaphragm (2) is of a planar type and surrounded by a flexible edge member (3). This member (3) is constructed of an inner edge piece (3a) and an outer edge piece (3b) each of which has a semicircular shape in cross section to provide a convex surface and a concave surface. These edge pieces (3a, 3b) are the same in construction, but are inverted in arrangement to have the concave surfaces thereof face to each other to sandwich the diaphragm (2) between the concave surfaces of the edge pieces (3a, 3b); and, the outer edge piece (3b) is provided with a plurality of notched holes (7) which are symmetrically arranged in the outer edge piece (3b).

REFERENCES:
patent: 6160898 (2000-12-01), Bachmann et al.
patent: 6460651 (2002-10-01), Sahyoun
patent: 6490363 (2002-12-01), Liu

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