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:
Sep. 20, 1988
Filed:
Feb. 17, 1987
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
A virtual stereographic display system which includes a display image surface, a polarizer disposed before the display image surface, a liquid crystal cell in which ferroelectric smectic liquid crystal is aligned, and disposed before the polarizer, a driving circuit connected to the liquid crystal cell so as to apply AC voltage synchronized with the frame signal of the image on the display image surface to the liquid crystal cell and to switch over the, polarization axes of the display light proceeding from the display image surface through the polarizer and liquid crystal cell by time division, and polarizing glasses having different polarization axes for the left eye and right eye for viewing the display light.