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.

Date of Patent:
Dec. 05, 1989

Filed:

Jun. 06, 1988
Applicant:
Inventors:

Tetsuro Nakata, Kanagawa, JP;

Ichitaro Sato, Kanagawa, JP;

Tooru Eto, Kanagawa, JP;

Assignee:

Sony Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
358167 ; 358340 ; 358166 ;
Abstract

An apparatus for eliminating a noise from a video signal, employs a first-order type noise eliminating section, for example, a limiter or the like. Such noise eliminating section, by utilizing line correlation, eliminates noise from the video signal in a high frequency region where the signal component level is large, for example, at the portion of a video signal corresponding to an edge portion of the display or picture.


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