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. 22, 2003
Filed:
Nov. 27, 2001
Applicant:
Inventors:
Assignee:
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 2/956 ;
U.S. Cl.
CPC ...
H01J 2/956 ;
Abstract
The invention describes a cathode ray tube in which the position of the electron beam ( ) is determined in that detection strips ( ) are arranged between or below the individual phosphor strips of the phosphor layer ( ). The detection strips ( ) each comprise a semiconductor component which amplifies the measured current signal. This renders the position determination of the electron beam ( ) more definite and reproducible.