Combination cellular telephone and pager apparatus
US5898758A · kind A · utility
33Cited by
6References
2Claims
0Family size
Inventor
Key dates
| Filing date | Sep 26, 1994 |
| Grant date | Apr 27, 1999 |
| Priority date | — |
| Expiry date | Sep 26, 2014 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M1/57
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
The instant invention is a paging device which couples to a cellular telephone allowing independent use of the cellular telephone and the paging unit. The paging unit includes a speaker for converting received signals into a dial tone for placement against either a conventional land based telephone or a cellular telephone for automatically redialing of numbers received by the paging unit. The paging unit can be coupled to a compatible cellular telephone wherein the pager and telephone can be carried as a single unit allowing screening of incoming calls and an automatic callback of received paged calls.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.