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. 13, 1979
Filed:
May. 23, 1977
Applicant:
Inventors:
Takeshi Kureha, Hirakata, JP;
Taiichi Saeki, Katano, both ofKatano,, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
315 / ; 315368 ; 358180 ;
Abstract
Disclosed are a convergence device consisting of a circuit for generating a signal in synchronism with the horizontal sync signal and a circuit for generating a sinusoidal waveform current in response to the output signal from the signal generating circuit so that part of the sinusoidal waveform current may be used as a convergence correction or adjustment current, and a color television receiver incorporating the convergence device of the type described and capable of enlarging part of a picture.