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. 02, 1991
Filed:
Dec. 21, 1989
Applicant:
Inventors:
Assignee:
Diehl GmbH & Co., , DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
364726 ;
Abstract
A circuit arrangement for the implementation of a fast discrete Fourier transform in real time through the controlled operation of cross-linked butterfly, or kernel, operators. The circuit arrangement will successively transmit the two halves of a sequence of complex input words through a series-parallel input register and an interim data storage to a plurality of butterfly operators which operate in parallel, whose outputs are switchable by a multiplexer for recursive linkage with the interim storage or, in essence, for the delivery of the frequency range-output words to a parallel-series output register.