Accessory device for handling multiple calls on multiple mobile stations
US6434402B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 4, 1999 |
| Grant date | Aug 13, 2002 |
| Priority date | — |
| Expiry date | Nov 4, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M2207/18
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An accessory device for a mobile station is disclosed that allows one or more mobile subscribers to conveniently and simply use two or more mobile stations at the same time. In addition, the accessory device also provides the ability to bridge the two or more calls into a multi-party call. The accessory device includes two or more connectors, each having a plug on either end. One plug of each connector is inserted into the hands-free port of each mobile station, while the other plug is inserted into the accessory device. The plug that is inserted into the accessory device attaches to leads to a single speaker/microphone combination in the accessory device. The accessory device also includes at least one switch to allow the mobile subscriber to select between the calls or establish a bridge between all of the calls.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.