Wireless interface
US5677942A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Aug 26, 1996 |
| Grant date | Oct 14, 1997 |
| Priority date | — |
| Expiry date | Aug 26, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W84/16
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A wireless telephone system includes: a PBX connected by a wireline to at least one base station for communicating over a radio link with mobile telephones; a unit for transmitting and receiving audio and data signals over the wireline between the PBX and the base station; a unit for transmitting and receiving audio and data signals over the radio link between the base station and a mobile telephone; and in the base station a unit for separating incoming audio and data signals channels, a unit for combining outgoing audio and data signals for onward transmission thereof from the base station, and a unit for interpreting the data signals and either acting on the data signals if they are intended for the base station or otherwise passing the signals through the base station for onward transmission to the receiving unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.