06846081 is referenced by 45 patents and cites 16 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
Projector
Application Number
10/621366
Publication Number
6846081 (B2)
Application Date
July 18, 2003
Publication Date
January 25, 2005
Inventor
Daisuke Moriwaki
Tokyo
JP
Hisakazu Aoyanagi
Tokyo
JP
Kazuo Mochizuki
Tokyo
JP
Agent
Sughrue Mion PLLC
Assignee
NEC Viewtechnology
JP
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