Rechargeable battery-powered communication device having integral vibrating means
US5629599A · kind A · utility
9Cited by
10References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 30, 1996 |
| Grant date | May 13, 1997 |
| Priority date | — |
| Expiry date | Jul 30, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J2207/20
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A system for charging a battery (22) including a power supply (70) and a vibration device (48) to enhance charging. The vibration device (48) may be the speaker of an electronic communication device (30).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.