Speaker voice coil bobbin and method of manufacturing same

Details Speaker voice coil bobbin and method of manufacturing same Speaker voice coil bobbin and method of manufacturing same

2005-06-21

2005-06-21

Kuntz, Curtis (Department: 2643)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Electromagnetic

Reexamination Certificate

active

06909788

ABSTRACT:
A voice coil bobbin1is formed from a material combining a fiber-type material and a ceramic-type-coating agent including metal alkoxide, metal hydroxide, and a colloidal or fine-particulate inorganic substance. The combining process for the ceramic-type-coating agent is performed before or after the fiber-type material is formed into a shape of the voice coil bobbin1.

REFERENCES:
patent: 63149995 (1988-06-01), None
patent: 02295399 (1990-12-01), None
patent: 04170900 (1992-06-01), None
patent: 10-013996 (1998-01-01), None

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