Earpiece and earphone
US8208676B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 19, 2009 |
| Grant date | Jun 26, 2012 |
| Priority date | — |
| Expiry date | Sep 1, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R1/1016
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
There is provided an earpiece comprising: a main unit having a cylindrical shape having made therein a through hole that can allow sound to be transmitted therethrough; a cap portion that has a film-like shape which is formed to extend from all around a front-end surface, in a direction of making the through hole, of the main unit toward a rear-end surface side, and which covers at least a portion of the main unit on the front-end surface side, and in which space between the main unit and the cap portion expands as it goes toward the rear-end surface side; and at least one cutting portion formed in the cap portion so that the cap portion can deform in a direction of the main unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.