Mobile radiotelephone with handsfree device
US5835607A · kind A · utility
29Cited by
7References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 12, 1995 |
| Grant date | Nov 10, 1998 |
| Priority date | — |
| Expiry date | Jun 12, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2499/13
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A mobile radio transceiver comprising a hands-free facility, which hands-free facility combines at least two acoustic input signals to produce an output signal, and an adaptive filter is provided for filtering the combined output signal. To achieve an improved speech quality, a high-pass filter is provided for filtering the acoustic input signals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.