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:
Oct. 23, 1990
Filed:
Aug. 04, 1989
Paul J Patt, Mt Kisco, NY (US);
Gerardus J Notenboom, Eindhoven, NL;
U.S. Philips Corporation, New York, NY (US);
Abstract
A method of manufacturing a color display tube comprising a display window having a display screen, a flat tensed shadow mask 2 in which the shadow mask 2 is provided with strips 9, 14, 15, 16, along its edges the color display tube has been assembled a test pattern is displayed on the display screen via the shadow mask 2, and certain strips are irradiated using an electron beam or a laser beam, to obtain a desired test pattern by aligning the shadow mask 2 relative to the display screen.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile