Loudspeaker diaphragm

Details Loudspeaker diaphragm Loudspeaker diaphragm

1985-06-03

1987-01-13

Fuller, Benjamin R.

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Having electrostatic element

181171, 381204, G10K 1300

Patent

active

046357505

ABSTRACT:
A loudspeaker diaphragm has a step near the middle of its back surface. This makes it easier to attach a bobbin correctly and the production efficiency can be improved.

REFERENCES:
patent: 1920299 (1933-08-01), Fanger
patent: 3172498 (1965-03-01), Gorike
patent: 4132872 (1979-01-01), Inoue
patent: 4184563 (1980-01-01), Bertagnn
patent: 4275278 (1981-06-01), Sakurai et al.
patent: 4327257 (1982-04-01), Schwartz
patent: 4384174 (1983-05-01), Suzuki et al.

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