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:
Jul. 12, 1994
Filed:
Apr. 09, 1993
Applicant:
Inventors:
Carlos Correa, VS-Schwenningen, DE;
John Stolte, VS-Tannheim, DE;
Assignee:
Deutsche Thomson-Brandt GmbH, Villingen-Schwenningen, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
348448 ; 348443 ;
Abstract
A video input signal is vertically interpolated and applied along with a field delayed and a field advanced video signal to respective inputs of a first median filter the output of which is applied along with a line delayed and a line advanced signal to respective inputs of a second median filter to provide an interpolated video output signal. The resultant double median filtered signal and a field delayed signal are applied via respective time compressors to a multiplex switch to provide an output signal of progressive scan form and in which every other line thereof is interpolated by double median filtering.