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. 25, 2002
Filed:
Mar. 05, 1999
Gerard K. Yeh, Redwood City, CA (US);
Anoush Khazeni, Sunnyvale, CA (US);
David Auld, San Jose, CA (US);
Bruce K. Holmer, Belmont, CA (US);
Meng-Day Yu, Palo Alto, CA (US);
Teralogic, Inc., Mountain View, CA (US);
Abstract
The present invention is a method and apparatus for correcting aspect ratio of a display by scaling a source array of pixel data in a memory by a scale factor to a destination array of pixel data. The apparatus comprises a coefficient unit, a register unit, and an arithmetic unit. The coefficient unit is coupled to a buffer to load N coefficients. The register unit is coupled to the source array to load N pixel data synchronously with the coefficient unit. The N pixel data are started at a location in the source array according to the scale factor. The arithmetic unit is coupled to the coefficient unit and the register unit to perform a filtering operation on the loaded N pixel data using the corresponding N coefficients. The arithmetic unit generates a filtered output corresponding to a scaled pixel in the destination array.