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:
Apr. 04, 1989
Filed:
May. 09, 1986
Frederic J Kahn, Palo Alto, CA (US);
Paul N Kendrick, Sunnyvale, CA (US);
Jerry Leff, Saratoga, CA (US);
Linden J Livoni, Los Gatos, CA (US);
Bryan E Loucks, Los Altos Hills, CA (US);
David E Stepner, Cupertino, CA (US);
Kenneth G Witte, San Jose, CA (US);
Sharp Corporation, Osaka, JP;
Abstract
An apparatus for projecting high precision optical images with a selective heating source, advantageously a laser, on a writable, erasable, editable electronic slide and simultaneously or sequentially projecting the images in registration, onto a receiving surface such as a projection screen or photosensitive material, in the former case for the purpose of displaying the projected image and in the latter case for the purpose of creating a hard copy of the projected image.