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:
Dec. 28, 1999
Filed:
Feb. 23, 1998
Applicant:
Inventors:
Masanobu Honda, Osaka, JP;
Koji Shimada, Shiga, JP;
Assignee:
Matsushita Electronics Corporation, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
313440 ; 313426 ; 335213 ;
Abstract
A deflection yoke including a saddle shaped horizontal deflection coil, a saddle shaped vertical deflection coil located outside the saddle shaped horizontal deflection coil, and a core located outside the saddle shaped vertical deflection coil, wherein the screen side flange portion (66) of the saddle shaped horizontal deflection coil has a contour (63) of a smoothly curved line and the ratio (r=c/d) of the maximum width (c) to the maximum height (d) for the flange portion (66) is in the range of from 2.2 to 3.5. The present deflection yoke provides improved image quality.