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.

Date of Patent:
May. 30, 2023

Filed:

Oct. 09, 2019
Applicant:

Hitachi, Ltd., Tokyo, JP;

Inventors:

Shinya Kajiyama, Tokyo, JP;

Kengo Imagawa, Tokyo, JP;

Yoshihiro Hayashi, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B 8/00 (2006.01); G01S 7/52 (2006.01);
U.S. Cl.
CPC ...
A61B 8/54 (2013.01); A61B 8/44 (2013.01); G01S 7/52077 (2013.01);
Abstract

A switch circuit connected to a transducer, a reception circuit connected to the switch circuit, a first switch element connected to a reception terminal provided between the switch circuit and the reception circuit, a first resistance element connected to a control terminal of the switch circuit, a second resistance element provided inside the reception circuit, and a second switch element provided inside the reception circuit are provided.


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