Manually-powered apparatus for powering a portable electronic device
US6293771A · kind A · utility
42Cited by
3References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 27, 1999 |
| Grant date | Sep 25, 2001 |
| Priority date | — |
| Expiry date | Oct 27, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K7/1853
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An apparatus includes a manually operable air pump for providing a compressed flow of air to an air motor. An electrical generator is coupled to the air motor and is powered thereby. The generator in turn provides electrical power to a portable electrical device. In one embodiment, device is disposed in a shoe and the air pumping is manually provided by the user's walking or running. In another embodiment, the air pump comprises squeegy devices for each hand of a runner or walker.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.