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:
Jun. 18, 1991
Filed:
Nov. 06, 1989
Ted A Darby, Knoxville, TN (US);
North American Philips Corporation, New York, NY (US);
Abstract
A television receiver includes a motion detection circuit which compares corresponding portions of the picture signal from adjacent fields or frames and based on this comparison generates movement signals. In addition, the television receiver includes a noise measurement circuit which compares corresponding portions of succeeding scanning lines, these corresponding portions having identical contents with the exception of any added noise, accumulates the results of these comparisons, and output the accumulated results at the end of each field as a noise signal. The motion signals and the noise signal are then applied as control signals to an adjustable noise reduction circuit for reducing the noise content in the television signal.