Control device for an asynchronous roller-blind motor
US5414334A · kind A · utility
18Cited by
10References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 10, 1993 |
| Grant date | May 9, 1995 |
| Priority date | — |
| Expiry date | Aug 10, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S160/17
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention provides controls for driving roller blinds, rolling shutters and doors. The controls include a two directional motor, a control panel, switches, power supply, and a logic processing unit which are all interconnected to allow the user to partially or fully raise and lower the blinds. The direction of the blinds can be changed at any time and also stopped at any time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.