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. 14, 1990
Filed:
Jul. 06, 1988
Applicant:
Inventors:
Armand Yazdani, Toronto, CA;
Coeman L Wong, Toronto, CA;
Assignee:
NEI Canada Limited, Rexdale, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G / ;
U.S. Cl.
CPC ...
340783 ; 34081505 ; 340764 ;
Abstract
Display element has electromagnetic drive and two rotatable vanes which exhibit a display area to the viewer in ON mode and occlude it in OFF mode. Side walls may be used to prevent viewing the display area from the side in the OFF mode.