Patent Number: 7,086,743

Title: Rear projection type projector and its method of use

Abstract: A rear projection type projector is provided. An optic axis of modulated light to be projected to a screen projection surface is slanted to a normal N-N of the screen projection surface and projected to a trapezoidal range ABCD housing the actual projection range EFGH. A reflector is disposed in the rear of the screen projection surface, a projection unit projecting modulated light is placed on a side of the screen projection surface, and the modulated light is projected towards the rear, and then reflected at the reflector. Further, image information is corrected and a distortion-free image is projected.

Inventors: Yamakawa; Hidemasa (Azusagawa-mura, JP)

Assignee: Seiko Epson Corporation

International Classification: G03B 21/14 (20060101); G03B 21/22 (20060101); G03B 21/28 (20060101); G03B 21/56 (20060101); H04N 3/23 (20060101)

Expiration Date: 8/08/02018