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. 13, 2014
Filed:
Jan. 19, 2011
Applicants:
Satoru Furuta, Tokyo, JP;
Takashi Sudo, Tokyo, JP;
Hirohisa Tasaki, Tokyo, JP;
Inventors:
Assignee:
Mitsubishi Electric Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A correction spectrum calculation unitobtains a correction spectrum by smoothing an estimated noise spectrum in accordance with the degree of its variations, and a suppression quantity limiting coefficient calculation unitdecides a suppression quantity limiting coefficient from the correction spectrum. A suppression quantity calculation unitobtains a suppression coefficient based on the suppression quantity limiting coefficient, and the spectrum suppression unitcarries out amplitude suppression of spectral components of an input signal.