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. 14, 2021
Filed:
Jul. 20, 2018
Applicant:
Hitachi, Ltd., Tokyo, JP;
Inventors:
Kazuki Ikeda, Tokyo, JP;
Masami Makuuchi, Tokyo, JP;
Shinichi Murakami, Tokyo, JP;
Ryo Kadoi, Toyko, JP;
Tomoharu Nagashima, Tokyo, JP;
Assignee:
HITACHI, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 27/04 (2006.01); G01R 27/32 (2006.01); G01N 22/00 (2006.01); G01N 33/24 (2006.01); H01Q 1/04 (2006.01); H01Q 1/32 (2006.01); G01N 21/3581 (2014.01); G01N 22/02 (2006.01); G01N 21/3563 (2014.01); G01N 27/02 (2006.01); G01N 22/04 (2006.01); A61B 5/05 (2021.01); A61B 5/0507 (2021.01);
U.S. Cl.
CPC ...
G01N 22/00 (2013.01); G01N 21/3563 (2013.01); G01N 21/3581 (2013.01); G01N 22/02 (2013.01); G01N 27/02 (2013.01); G01N 33/24 (2013.01); H01Q 1/04 (2013.01); H01Q 1/3233 (2013.01); A61B 5/05 (2013.01); A61B 5/0507 (2013.01); G01N 22/04 (2013.01);
Abstract
Provided is a technique for specifying a medium more simply. A medium sensor device includes an antenna, a storage unit that stores a medium identification table in which a medium corresponding to an antenna impedance has been determined beforehand, and a medium specification unit that specifies the impedance of the antenna and specifies a medium in the vicinity of the antenna by referring to the medium identification table.