The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 12, 1997
Filed:
Jun. 02, 1995
Nagaharu Hamada, Hitachi, JP;
Toshiro Kamiuchi, Tokyo, JP;
Ikuo Hikawa, Yokohama, JP;
Takashi Nakasugi, Yokohama, JP;
Takashi Azuma, Chigasaki, JP;
Chiharu Takayama, Yokohama, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
An image display apparatus having a computer system and an image processor. The computer system includes: a personal computer having a CPU and a main memory; and input/output apparatuses such as magneto-optical disk drive, image scanner, full color printer, etc. The image processor which commonly uses a system bus of the computer system includes an independent dedicated image bus, a compression/expansion unit, an image memory read/write controller, image memories, and a video processor. Image data which is sent from the magneto-optical disk drive is decoded by the compression/expansion unit and is held in the image memories. The image data of the image memories is transferred to the video processor through a dedicated signal line and is displayed on a large screen projection display.