Patent Number: 6,310,662

Title: Display method and apparatus having distortion correction

Abstract: A display method and apparatus for displaying information by projecting a light onto an external projection plane is capable of detecting a deviation amount of a displayed image projected on the projection plane with respect to the display apparatus. Output image data is changed based on the detected deviation amount to offset a distortion of the displayed image, which is displayed using the changed output image data.

Inventors: Sunakawa; Shinichi (Kawasaki, JP), Shimada; Kazutoshi (Yokosuka, JP), Tatsumi; Eisaku (Kawasaki, JP), Mori; Shigeki (Koshigaya, JP), Matsubayashi; Kazuhiro (Yokohama, JP), Harada; Takashi (Yokohama, JP), Nagasaki; Katsuhiko (Ichikawa, JP), Fukuda; Ryoji (Yokohama, JP)

Assignee: Canon Kabushiki Kaisha

International Classification: H04N 5/74 (20060101); H04N 009/28 ()

Expiration Date: 10/30/2018