Volume attenuator for flip-style hand-held phone
US6292563A · kind A · utility
12Cited by
6References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 16, 1998 |
| Grant date | Sep 18, 2001 |
| Priority date | — |
| Expiry date | Oct 16, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M1/6041
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
In a folding communication apparatus with a housing rotatably connected by a hinge to a movable form, wherein movement of the hinge alters the speaker volume. A folding portable radio set includes a switch for reducing the speaker volume when the communication apparatus is in the open position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.