Hearing aid
US8270645B2 · kind B2 · utility
1Cited by
0References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 8, 2010 |
| Grant date | Sep 18, 2012 |
| Priority date | — |
| Expiry date | Jul 15, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2225/61
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A hearing aid includes a main body and a battery holder that can be opened and closed with respect to the main body by revolving around a revolving shaft. The main body has a lock bar provided so as to traverse the space in which the battery holder is installed, and a protruding portion that protrudes toward this installation space. The battery holder has a first concave portion and a second concave portion that latch the lock bar and the protruding portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.