Portable communication device with electromechanical transducer means and a battery pack therefor
US6242827A · kind A · utility
25Cited by
5References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 2, 1999 |
| Grant date | Jun 5, 2001 |
| Priority date | — |
| Expiry date | Jun 2, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K7/1892
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A portable communication device has an electromechanical transducer for converting mechanical energy, caused by movements of the portable communication device, into electrical energy for supplying power to the portable communication device. The electromechanical transducer is arranged to store mechanical energy after a respective movement of the portable communication device ceases.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.