Handset or speaker message retrieval system
US5111500A · kind A · utility
9Cited by
5References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 4, 1990 |
| Grant date | May 5, 1992 |
| Priority date | — |
| Expiry date | Jan 4, 2010 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M1/65
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A telephone answering machine with a built in telephone that incorporates a mechanism for retrieving messages under a variety of operating conditions has the ability to access messages through the telephone handset to ensure privacy, while not interfering with normal telephone usage. The messages can also be played back through the speaker of the unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.