Headphone device

Details Headphone device Headphone device

2007-07-17

2007-07-17

Le, Huyen (Department: 2615)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Plural or compound reproducers

C381S370000, C381S376000

Reexamination Certificate

active

11444805

ABSTRACT:
A headphone device includes an earpad worn outside of the ear on the head of a user and a housing provided with a speaker unit as well as a fitting portion on which the earpad is fit. The earpad includes a cushion and a facing that covers the cushion. The earpad can be attached to and detached from the housing. The facing is detachable from the cushion to keep the earpad clean.

REFERENCES:
patent: 3661225 (1972-05-01), Anderson
patent: 4972491 (1990-11-01), Wilcox, Jr.
patent: 5136639 (1992-08-01), Brito
patent: 5138722 (1992-08-01), Urella et al.
patent: 5497427 (1996-03-01), Nageno

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