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. 06, 1995
Filed:
Feb. 12, 1993
Jeffrey A Niehaus, Dallas, TX (US);
Cirrus Logic, Inc., Fremont, CA (US);
Abstract
An apparatus and method for processing a real input signal representing frames of video information is disclosed. The apparatus and method are embodied in a digital filter comprising means for filtering a real input signal to produce therefrom a real output signal having desired characteristics, the filtering means selecting and acting in accordance with ones of a series of single filter operating parameters selected as a function of real input signal conditions and means for recalling the selected ones of the parameters from a memory, the parameters mathematically derived by simulating a plurality of virtual input signals and filtering the virtual input signals through multiple virtual filters to produce virtual desired output signals.