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. 23, 2017
Filed:
Sep. 01, 2015
Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;
Masashi Sato, Kawasaki, JP;
Kazuhiko Hatae, Kawasaki, JP;
Tomoki Katou, Kawasaki, JP;
Nobukazu Koizumi, Kawasaki, JP;
Masato Oota, Atsugi, JP;
Yasuo Ohtomo, Yokohama, JP;
Manabu Yamazaki, Fuchu, JP;
Daisuke Sasaki, Yokohama, JP;
FUJITSU LIMITED, Kawasaki, JP;
Abstract
A signal processing apparatus includes: a filter; and a filter control circuit, wherein the filter control circuit is configured to: detect a power of signals output from the filter; determine one of a plurality of numerical ranges to which the power belongs; update a filter coefficient of the filter according to a determination result; count a number of the signals having the power of a first value or more; set an invalid area which becomes a target not to be determined for each of one or more boundaries between the plurality of numerical ranges when the number of the signals becomes a second value or more; and control a width of the invalid area based on the number of signals.