Personal assistance system and method for use with a cellular communication system
US5343493A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 16, 1993 |
| Grant date | Aug 30, 1994 |
| Priority date | — |
| Expiry date | Mar 16, 2013 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W76/50
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A personal assistance system and method for use with a cellular communication system operating over a cellular communication band and having a plurality of cell-sites. A transceiver transmits to the cell-sites a spread spectrum burst of pulses including a service request codeword indicating a request for service from a service provider. A proxy cell-phone, coupled to a preferred one of the cell-sites, originates a cellular call on the cellular communication system to a destination number of the service provider and on behalf of the transceiver to thereby create a cellular communication link between the transceiver and the service provider. A transceiver location feature provides the service provider with the geographic location of the transceiver.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.