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. 30, 2018
Filed:
Dec. 02, 2014
Applicant:
Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;
Inventor:
Mitsuo Ozaki, Isehara, JP;
Assignee:
FUJITSU LIMITED, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 29/036 (2006.01); G01N 5/02 (2006.01); G01N 15/06 (2006.01);
U.S. Cl.
CPC ...
G01N 29/036 (2013.01); G01N 5/02 (2013.01); G01N 15/0606 (2013.01); G01N 2291/021 (2013.01); G01N 2291/0256 (2013.01); G01N 2291/0426 (2013.01);
Abstract
An environmental measurement apparatus includes an operation unit which calculates a first change in a first oscillation frequency of a first QCM sensor and a second change in a second oscillation frequency of a second QCM sensor. The operation unit corrects the second change based on the first change in a first period and the second change in the first period.