Variable thickness cone for a dynamic speaker and quality contro

Details Variable thickness cone for a dynamic speaker and quality contro Variable thickness cone for a dynamic speaker and quality contro

1976-11-09

1978-04-25

Stellar, George G.

Acoustics

Anatomic or prosthetic relation

Ear and mouth

181174, H04R 712

Patent

active

040864502

ABSTRACT:
A dynamic speaker including a cone, which is of relatively thin rigid truncated cone shape, having a number of radial ribs extending from the central opening portion toward the peripheral portion thereof, and being progressively diminishing, in respect of the stiffness at the concentrical sections, from the central opening portion toward the peripheral portion thereof, with the object of getting excellent sound effects, a high output power and other merits. Methods of manufacturing the dynamic speaker are also included in this invention.

REFERENCES:
patent: 1832832 (1931-11-01), Nagelvoort
patent: 2297218 (1942-09-01), Henrich et al.
patent: 3862376 (1975-01-01), White
patent: 3983337 (1976-09-01), Babb

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