Control device for at least one electrochromic window and method for activating the same
US8004739B2 · kind B2 · utility
129Cited by
8References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 21, 2009 |
| Grant date | Aug 23, 2011 |
| Priority date | — |
| Expiry date | Mar 21, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/163
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The invention relates to a control device for at least one electrochromic window (100, 100.1, 100.2, 100′, . . . ) with means (106, 108) for generating a charging current, to bring the window from a first state into a second state, wherein the window is darker in the second state than in the first state, means (112, 116) for discharging the window, to bring the window from the second state into the first state, wherein the discharging of the window can be triggered by an emergency signal (S1, S2).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.