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:
Aug. 14, 2001
Filed:
Feb. 16, 1999
Motorola, Inc., Schaumburg, IL (US);
Abstract
A finite impulse response filter (,) has a data memory bank (,) for storing data vectors and a coefficient memory bank (,) for storing coefficient vectors. Filtering is done by multiplying data words by coefficient words, and summing the results. The finite impulse response filter (,) operates in different modes, according to the type of data vector and coefficient vector. In two modes of operation consecutive elements of the data vector (,) are stored in consecutive odd memory words (,) within the data memory bank (,). In other modes consecutive elements of the data vector are stored in consecutive memory words (,) in the data memory bank (,). Consecutive coefficient vector elements (,) are stored in the consecutive memory words (,) in coefficient memory bank (,), wherein coefficient elements can be stored in reverse or forward order. The data memory bank (,) is coupled to a data address generator (,) comprising of counter (,), two multiplexers (,), a XOR gate (,) and an AND gate (,).