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:
Jul. 31, 2012
Filed:
Jul. 11, 2011
Applicants:
Hiroshi Ohga, Hitachiohmiya, JP;
Masato Ishizawa, Hitachinaka, JP;
Inventors:
Hiroshi Ohga, Hitachiohmiya, JP;
Masato Ishizawa, Hitachinaka, JP;
Assignee:
Hitachi High-Technologies Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01L 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Pressure fluctuations are sampled at fixed time intervals and subjected to arithmetic processing, using as a trigger the event (or a sign temporally close to that event) of the reverse motor rotation for the backlash correction, thereby discriminating normal suction from suction of sample liquid with undesirable air bubbles.