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:
Nov. 28, 2006
Filed:
Aug. 13, 2004
Applicants:
Yukihisa Ohsugi, Nagoya, JP;
Naotake Okada, Anjo, JP;
Seiji Ishikawa, Aichi-prefecture, JP;
Inventors:
Assignee:
NGK Insulators, Ltd., Nagoya, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 29/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A devicefor measuring a mass comprises a vibratordriving meansA,B,C,D for exciting a basic vibration in the vibratordetecting meansA,B for detecting a displacement of vibration in the vibratorand an adsorption filmcapable of adsorbing a substance for detection. The mass is measured based on a difference between a detected value of the displacement of vibration obtained from the detecting meansA,B when the mass is not measured and a detected value of the displacement of vibration obtained from the detecting meansA,B when the mass is measured.