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:
May. 21, 2002
Filed:
Mar. 19, 1996
Applicant:
Inventors:
Karl Hirschauer, Tallman, NY (US);
Fred Duray, Easton, CT (US);
Joseph M. Doering, New Haven, CT (US);
Assignee:
Trans-Lux Corporation, Norwalk, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/06 ;
U.S. Cl.
CPC ...
G09G 3/06 ;
Abstract
A contrast enhancement device for an LED display is achieved by providing rectangular wire screen of substantially the dimensions of the LED-bearing face of a module block LED array. The edges of the rectangular wire screen are ultrasonically welded to the edges of the LED-bearing face of the module block LED array.
Hirschauer, Karl. (2002). Contrast enhancement device for led arrays (U.S. Patent No. 6392614). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6392614
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile