Speaker diaphragm and manufacturing method thereof

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Electromagnetic

Reexamination Certificate

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Details

C381S423000, C442S320000, C428S297400

Reexamination Certificate

active

07443998

ABSTRACT:
A speaker diaphragm which has a high rigidity and can improve sound transmission speed for better sound quality is provided. The speaker diaphragm contains fibers of 3 to 50 mm length mixed in matrix resin. The fibers are oriented radially from center to periphery in surface layers of the diaphragm, while they are oriented in different directions in a middle layer. After setting the resin, these fibers are fixed in the matrix resin with certain tension applied thereto.

REFERENCES:
patent: 2624417 (1953-01-01), Brennan
patent: 2716462 (1955-08-01), Brennan
patent: 4359132 (1982-11-01), Parker et al.
patent: 4518642 (1985-05-01), Johnston et al.
patent: 4562899 (1986-01-01), Nakamura
patent: 5180785 (1993-01-01), Uryu et al.
patent: 2003/0211282 (2003-11-01), Tung-Siang et al.
patent: 6-178385 (1994-06-01), None

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