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. 06, 1976
Filed:
Jul. 17, 1974
Applicant:
Inventor:
Gilbert Marie Ferrieu, Bievres, FR;
Assignee:
T.R.T. Telecommunications Radioelectriques, Paris, FR;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
235152 ; 325 42 ;
Abstract
A transversal digital filter including a shift register provided with a number of stages to which level control devices are connected by means of taps, the level control devices being connected to a feedback circuit which is connected through a combination device to the input of the shift register, a delta modulator being incorporated between the combination device and the input of the shift register, and a feedback circuit associated with the delta modulator forming part of the filter.