Retractable power supply
US4636579A · kind A · utility
96Cited by
4References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 18, 1985 |
| Grant date | Jan 13, 1987 |
| Priority date | — |
| Expiry date | Mar 18, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S136/291
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A retractable power supply including a solar cell for converting incident radiation to electrical energy and a base member for (1) storing the solar cell when said cell is not operatively deployed and (2) supporting the solar cell when said cell is in an operative condition. A rechargeable battery pack may be included in the base member for storing electrical energy generated by the solar cell. In one particularly noteworthy embodiment, the solar cell may be employed as a retractable window shade.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.