Photoelectric power supply system for motorized window coverings
US6812662B1 · kind B1 · utility
47Cited by
11References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 1, 2002 |
| Grant date | Nov 2, 2004 |
| Priority date | — |
| Expiry date | May 22, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S160/17
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A photoelectric power supply system for motorized window coverings includes a light detector electrically connected to a relatively high dielectric capacitor. In turn, the capacitor is connected to an electric motor, and the capacitor is the primary source of power for the motor. The light detector converts solar energy to electric energy that is used to charge the capacitor. The electric motor utilizes electricity from the capacitor as needed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.