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:
Feb. 24, 1987
Filed:
Jan. 30, 1984
Applicant:
Inventors:
Bahman Barazeche, Paris, FR;
Roger P Alexis, Neuilly-sur-Seine, FR;
Loic B Guidoux, Garancieres, FR;
Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B / ;
U.S. Cl.
CPC ...
379406 ; 370 32 ;
Abstract
The filter coefficients of an echo cancelling arrangement having a near echo canceller and a distant echo canceller are initialized in accordance with a method and apparatus wherein the following steps are performed:
Barazeche, Bahman. (1987). Method and apparatus for initializing filter coefficients in an echo (U.S. Patent No. 4645884). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4645884
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