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. 05, 2000
Filed:
Sep. 25, 1998
Hideki Miyata, Shinjuku-Ku, JP;
Abstract
A transmission screen including a lenticular lens sheet having glass beads, having lenticular lenses, and a Fresnel lens sheet. Light is projected on the transmission screen by a projector, and an image made up of a large number of picture elements is thus projected onto the lenticular lens sheet. When the picture element pitch of the picture elements is designated by P, the arrangement pitch r of the lenticular lenses of the lenticular lens sheet is designated by r, and the particle diameter of the glass beads is designated by d, these P, r and d fulfill the following conditions: r/P.ltoreq.1/4.0 and 1.0 .mu.m.ltoreq.d.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile