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:
Jan. 21, 2014
Filed:
Aug. 30, 2010
Applicants:
Fujio Oonishi, Yokohama, JP;
Yasushi Terui, Tsuchiura, JP;
Tsukasa Shishika, Mito, JP;
Inventors:
Assignee:
Hitachi High-Technologies Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H03M 1/62 (2006.01);
U.S. Cl.
CPC ...
Abstract
A signal processing device includes amplifiers that are capable of amplifying detected signals using amplification factors that are different from each other; A/D converters that sample plural signals amplified by the amplifiers using the different amplification factors and output from the amplifiers; calculators that perform, on the basis of the amplification factors of the plural amplifiers, calculation on plural data pieces converted by the A/D converters; and a selector that selects one or more of output data pieces from among plural data pieces output from the calculators.