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. 24, 2000
Filed:
Feb. 26, 1998
Applicant:
Inventor:
Danika Chaussy, Montchaboud, FR;
Assignee:
SGS-Thomson Microelectronics S.A., Gentilly, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ; H01J / ; G09G / ;
U.S. Cl.
CPC ...
315371 ; 315370 ;
Abstract
The present invention relates to a method for correction of the horizontal scanning current of a cathode-ray tube based on a modulation of this scanning current by a substantially parabolic signal at the image frame frequency, obtained by a squaring of a current ramp, including inflecting the ends of this current ramp before its squaring.