Headphone device
US7245736B2 · kind B2 · utility
16Cited by
5References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 1, 2006 |
| Grant date | Jul 17, 2007 |
| Priority date | — |
| Expiry date | Jun 1, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R5/033
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.