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:
Dec. 26, 2023

Filed:

Jul. 26, 2021
Applicant:

Aisin Corporation, Aichi, JP;

Inventors:

Kouki Ojima, Kariya, JP;

Satoshi Sakai, Kariya, JP;

Toshihisa Habiro, Kariya, JP;

Yuta Kawai, Kariya, JP;

Assignee:

AISIN CORPORATION, Aichi, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02D 41/20 (2006.01); H01F 7/18 (2006.01); G01R 31/72 (2020.01); G01R 31/28 (2006.01);
U.S. Cl.
CPC ...
F02D 41/20 (2013.01); H01F 7/18 (2013.01); F02D 2041/2027 (2013.01); F02D 2041/2055 (2013.01); G01R 31/2829 (2013.01); G01R 31/72 (2020.01);
Abstract

An electric current detection apparatus, the electric current detection apparatus is configured to detect an electric current flowing in a solenoid configured to be electrified by a PWM control, the apparatus includes a switch, an electric current value detection portion configured to detect a first electric current value at a first timing corresponding to a timing when the switch transitions from a closed state to an open state, the electric current value detection portion being configured to detect a third electric current value at a third timing, and a second electric current value calculation portion configured to calculate a second electric current value on the basis of the first electric current value and the third electric current value, the second electric current value being an electric current value of the electric current at the second timing.


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Ojima, Kouki. (2023). Electric current detection apparatus (U.S. Patent No. 11852092). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11852092

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