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:
Dec. 16, 2008
Filed:
Aug. 22, 2003
Yuji Ishii, Yokohama, JP;
Kenji Rikimaru, Yokohama, JP;
Kazuyuki Mori, Kawasaki, JP;
Yuji Tochio, Kawasaki, JP;
Yuji Ishii, Yokohama, JP;
Kenji Rikimaru, Yokohama, JP;
Kazuyuki Mori, Kawasaki, JP;
Yuji Tochio, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
In a digital filter device which filters a plurality of signals by a single digital filter, an input data memory stores the input data strings generated by computing processors, and a digital filter reads the input data strings in a predetermined sequence to be filtered and generates output data strings. An output data memory stores the output data strings, and a data processor reads the output data strings in a predetermined sequence to be processed. Furthermore, a filter memory and coefficient memories respectively store data-under-calculation and a filter coefficient in a delay circuit included in the digital filter.