Interchangeable battery with additional communications capabilities for mobile telephones
US6456039B1 · kind B1 · utility
98Cited by
4References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 30, 2001 |
| Grant date | Sep 24, 2002 |
| Priority date | — |
| Expiry date | Nov 30, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M2250/10
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
The interchangeable battery (2) for mobile radio telephones (3) comprises battery cells in a housing and electric feeding contacts (22) for powering the mobile telephone (3) as well as a radio interface (20-21), for example a RFID element, a GPS receiver, a radio clock signal receiver etc.Different batteries, which each operate according to another communication protocol, can be provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.