US 7,481,541 B2
Method and systems for projecting images
Bart Maximus, Oudenaarde (Belgium); Wauter Bulcke, Harelbeke (Belgium); and Robert Mark Clodfelter, Dayton, Ohio (US)
Assigned to Barco N.V.,
Filed on Apr. 22, 2005, as Appl. No. 11/111,711.
Prior Publication US 2006/0238717 A1, Oct. 26, 2006
Int. Cl. G03B 21/14 (2006.01)
U.S. Cl. 353—85  [353/121; 348/742; 348/798] 11 Claims
OG exemplary drawing
 
1. A projection system for projecting images, the projection system comprising an illumination system and a light modulating means, said illumination system configured for providing illumination on said light modulating means and said images being refreshed after an image frame time tframe, wherein each image frame comprises at least two image subframes and wherein each frame time tframe is subdivided into two time intervals, a first time interval and a second time interval, the first time interval preceding the second time interval, and wherein, for each image frame and when representing an image with a bit depth, during the first time interval the most significant bits are represented, and during the second time interval additional bit depth for said image is provided.