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:
Nov. 02, 1999

Filed:

Jul. 16, 1997
Applicant:
Inventors:

Hiroya Ito, Hashima, JP;

Kunio Okada, Iruma, JP;

Assignees:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N / ; H04N / ;
U.S. Cl.
CPC ...
348500 ; 348497 ; 348505 ; 348663 ;
Abstract

An image information processing apparatus is described that suppresses noise generated in digital signal processing while preventing the circuit scale from enlarging. The apparatus includes a separator, a first detector, a second detector, a phase-locked loop, an A/D converter, a phase difference detector, a chrominance data processor and a luminance data processor. The phase difference detector detects a phase difference between the reference clock signal and the scan sync signal. The luminance data processor combines the luminance data in Units of two pieces to produce compensated luminance data in accordance with the phase difference.


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