1385335-A1 is referenced by 12 patents and cites 6 patents.

An image sensor is installed in the vicinity of a projection lens. The image sensor images a projected and displayed image and a screen. A projection display area and a screen area are detected from the image imaged by the image sensor. An inputted image data is corrected so that the projection display area matches the screen area. The image to be displayed is automatically displayed in a shape, which matches a display surface of the screen.

Title
Image projector with image-feedback control
Application Number
EP20030016040 20030715
Publication Number
1385335 (A1)
Application Date
July 15, 2003
Publication Date
January 28, 2004
Inventor
Moriwaki Daisuke
JP
Aoyanagi Hisakazu
JP
Mochizuki Kazuo
JP
Assignee
Nec Viewtechnology
JP
IPC
H04N 05/74
H04N 09/31
H04N 05/74
H04N 09/31
H04N 05/74
View Original Source Download PDF