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:
Jun. 18, 1991
Filed:
Dec. 21, 1989
Applicant:
Inventor:
James R Fendley, Arlington Heights, IL (US);
Assignee:
Zenith Electronics Corporation, Glenview, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
313407 ; 313402 ; 313408 ;
Abstract
A color cathode ray tube includes a glass faceplate having on its inner surface a centrally disposed, rectangular screen. A shadow mask support structure located on opposed sides of the screen includes Q-height adjustment means for receiving and securing the shadow mask. The Q-height adjustment means provides for Q-height adjustment of the mask support structure prior to the securing of the mask. A fixture sets and holds the support structure at a predetermined Q-height.