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:
Mar. 02, 2010
Filed:
Jun. 08, 2004
Applicants:
Jean-philippe Thomas, Trevou Treguignec, FR;
Olivier Durand, Mignaloux-Beauvoir, FR;
Inventors:
Jean-Philippe Thomas, Trevou Treguignec, FR;
Olivier Durand, Mignaloux-Beauvoir, FR;
Assignee:
France Telecom SA, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04M 9/08 (2006.01); H04M 1/00 (2006.01); H04B 3/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention concerns a method and device for processing echo between at least two communication devices in order to attenuate, in a picked-up signal of a communication device comprising at least one microphone, the components of the signal broadcasted by at least one other communication device comprising at least one loudspeaker, characterised in that the echo processing device comprises: