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:
Nov. 20, 2001
Filed:
Jun. 11, 1999
Masaaki Yasukawa, Nagano-ken, JP;
Tadashi Kinebuchi, Nagano-ken, JP;
Noriko Watanabe, Nagano-ken, JP;
Kunio Yoneno, Nagano-ken, JP;
Syoichi Uchiyama, Nagano-ken, JP;
Hiroshi Kamakura, Nagano-ken, JP;
Joji Karasawa, Nagano-ken, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A head-mounted image display device with a good operability and a data processing apparatus including such a display device. A head-mounted image display device wherein a liquid crystal panel and an enlarging optical system are housed in a frame and wherein images generated on the liquid crystal display panel through the enlarging optical system are visible in the field of view in front of the frame comprises a first direction detection means (,) disposed in part of the frame (,) for detecting the direction of the user's head; an observation point detection means (,) disposed in part of the frame for detecting the user's line of sight; a trigger input means (,) for transmitting trigger signals; and an image generation means (,) for controlling images generated on the liquid crystal display panel based on signals from the first direction detection, observation point detection, and trigger input means.