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:
May. 30, 1978
Filed:
Oct. 01, 1976
Applicant:
Inventors:
Jean-Edgar Picquendar, Paris, FR;
Boris Sokoloff, Paris, FR;
Assignee:
Thomson-CSF, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
364726 ;
Abstract
The invention relates to machines by which it is possible to compute the discrete Fourier transform of a collection of N numbers in the case where N = 2.sup.n. The invention consists in using the properties of Pease's decomposition, according to which ##EQU1## and in constructing a computer comprising n identical modules except for the coefficients memorized therein, these modules each effecting the application of a term C.times.E.sub.m .times.P.