Telephone answering apparatus and method for confirming an acoustic command signal
US6643358B2 · kind B2 · utility
0Cited by
9References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 27, 1998 |
| Grant date | Nov 4, 2003 |
| Priority date | — |
| Expiry date | May 27, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M1/6505
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A telephone answering apparatus for confirming an acoustic command signal includes a controller operatively connected to an acoustic signal detector and to an acoustic signal generator. The controller initiates the transmission of an acoustic response signal to a remote user in response to the detection of an acoustic command signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.