Speaker diaphragm and method of manufacturing speaker diaphragm

Details Speaker diaphragm and method of manufacturing speaker diaphragm Speaker diaphragm and method of manufacturing speaker diaphragm

2006-07-14

2009-06-16

Donels, Jeffrey (Department: 2837)

Acoustics

Diaphragm

Critically defined material or coating

C181S170000, C181S173000, C381S423000

Reexamination Certificate

active

07546897

ABSTRACT:
A speaker diaphragm made of a resin containing a thermoplastic polymeric material is provided. The speaker diaphragm includes a changed portion formed on the diaphragm that is molded using the resin. The changed portion is formed by partially changing physical properties of the thermoplastic polymeric material for dispersing local vibrations based on a characteristic of local vibrations measured in advance.

REFERENCES:
patent: 6863153 (2005-03-01), Hayakawa et al.
patent: 7315628 (2008-01-01), Kuribayashi et al.
patent: 2003/0093891 (2003-05-01), Ajiki
patent: 2004/0062406 (2004-04-01), Sakamoto
patent: 2004/0154862 (2004-08-01), Carlson
patent: 2006/0008111 (2006-01-01), Nagaoka
patent: 2008/0027158 (2008-01-01), Ishida et al.
patent: 2009/0028376 (2009-01-01), Saito et al.
patent: 5-153692 (1993-06-01), None
patent: 11-215589 (1999-08-01), None
patent: 2000-184492 (2000-06-01), None

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