Communication device with single output audio transducer
US7961900B2 · kind B2 · utility
22Cited by
11References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 29, 2005 |
| Grant date | Jun 14, 2011 |
| Priority date | — |
| Expiry date | Apr 14, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M1/03
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A communication device 100 includes a first audio output 105; a second audio output 110; an audio transducer 115 for dual mode use; a shuttered acoustic path 120 coupled between the audio transducer 115 and the first audio output 105; and an attenuated acoustic path 125 coupled between the audio transducer 115 and the second audio output 110.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.