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.:

US 9622723 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 18, 2017

Filed:

Jul. 01, 2011
Applicants:

Ulrike Wedegaertner, Hamburg, DE;

Klaus Valett, Ellerhoop, DE;

Jin Yamamura, Hamburg, DE;

Inventors:

Ulrike Wedegaertner, Hamburg, DE;

Klaus Valett, Ellerhoop, DE;

Jin Yamamura, Hamburg, DE;

Assignee:

Other;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61B 8/00 (2006.01); A61B 8/02 (2006.01); A61B 5/055 (2006.01); A61B 5/03 (2006.01); A61B 8/08 (2006.01); G01R 33/48 (2006.01); G01R 33/567 (2006.01);
U.S. Cl.
CPC ...
A61B 8/4444 (2013.01); A61B 5/033 (2013.01); A61B 5/055 (2013.01); A61B 8/02 (2013.01); A61B 8/0866 (2013.01); A61B 8/4455 (2013.01); A61B 8/4472 (2013.01); G01R 33/4814 (2013.01); G01R 33/5673 (2013.01); A61B 2562/222 (2013.01);
Abstract

An ultrasonic sensor according to the invention comprises at least one ultrasonic transducer, at least one resistor connected to the ultrasonic transducer and a housing accommodating the ultrasonic transducer and the resistor. The ultrasonic sensor is configured in such a way, that it is not or only slightly ferromagnetic, so that the ultrasonic sensor acts neutrally with respect to an external magnetic field (for example in an MRT).


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Wedegaertner, Ulrike. (2017). Ultrasonic sensor for a cardiotocograph to be used within magnetic resonance tomography (U.S. Patent No. 9622723). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9622723

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