Apparatus and method for monitoring and controlling a covering for an architectural opening
US8540005B2 · kind B2 · utility
47Cited by
6References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 20, 2009 |
| Grant date | Sep 24, 2013 |
| Priority date | — |
| Expiry date | Jan 16, 2030 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06B2009/2627
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An apparatus and method associated with the extension and retraction of a covering for an architectural opening. More particularly, an apparatus and method which monitors the extension of a shade to control the extension and position when the extension motion of the shade is interrupted.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.