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:
Feb. 08, 1994
Filed:
Sep. 03, 1992
Applicant:
Inventor:
Toshiyuki Ogura, Tokyo, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G / ; H01J / ;
U.S. Cl.
CPC ...
315371 ; 315408 ;
Abstract
A deflection current circuit having reduced power requirements. A switch 33 is controlled by a control circuit 71 in association with the horizontal deflection period. A switch 73 is controlled by the control circuit 72 in synchronization with the horizontal deflection period modulated by the vertical deflection period. Switch 33 is turned off in the retrace interval, and during the period in which the switch 33 is in the off-state, the switch 73 is turned off for a predetermined period. The off-period of the switch 73 is modulated by the vertical deflection period to produce greater horizontal deflection in the center of the screen.