Specialty display window
US7426804B2 · kind B2 · utility
10Cited by
44References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 6, 2002 |
| Grant date | Sep 23, 2008 |
| Priority date | — |
| Expiry date | Nov 5, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N5/642
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A window unit includes a window frame defining a frame perimeter and a window located within the frame perimeter. The window includes a display surface adapted to receive a display image. A display image source is disposed in the window frame and a speaker element is disposed in the window. The window can transform from a first transparent state to a second increased opacity state for receiving the display image on the display surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.