Ear cushion

Details Ear cushion Ear cushion

1977-10-19

1979-10-09

Tomsky, Stephen J.

Acoustics

Anatomic or prosthetic relation

Ear and mouth

179182R, H04R 2500, H04R 110

Patent

active

041702751

ABSTRACT:
A pneumatic ear cushion for a headphone or ear defender is formed from two sheets of vinyl plastic. One sheet is molded to form concentric inner and outer walls about a central opening and a connecting sealing wall which is shaped to form a cavity that receives the user's ear. The second sheet of vinyl plastic forms a back wall to which an adhesive is attached for mounting the cushion to a headphone cup.

REFERENCES:
patent: 1223545 (1917-04-01), Whitman
patent: 2468721 (1949-04-01), Volkmann
patent: 2570675 (1951-10-01), Morris
patent: 2621751 (1952-12-01), Kettler
patent: 2856469 (1958-10-01), Morse
patent: 3073410 (1963-01-01), Gongoll et al.

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