Personal communication system providing supplemental information mode
US5579535A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 6, 1995 |
| Grant date | Nov 26, 1996 |
| Priority date | — |
| Expiry date | Jan 6, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W84/16
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A personal communication system (10) comprises transceiver stations (12, 14, 16, 18) providing communication capability between one or more portable radiotelephones (20, 22, 24) and a telephone network (30). One or more of the transceiver stations (12, 14, 16, 18) is further capable of storing a data base and of transmitting the same in response to a request for such transmission being received from a portable radiotelephone (20, 22, or 24) communicating therewith. The portable radiotelephone (20, 22, or 24) communicating therewith is capable thereafter of receiving the data base and of presenting at least a portion of the same to the radiotelephone subscriber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.