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. 07, 2024

Filed:

Feb. 25, 2022
Applicant:

Alps Alpine Co., Ltd., Tokyo, JP;

Inventors:

Takaharu Uekura, Tokyo, JP;

Masahiko Ota, Miyagi-ken, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03F 3/45 (2006.01); G01R 19/18 (2006.01); H03F 3/387 (2006.01);
U.S. Cl.
CPC ...
H03F 3/387 (2013.01); G01R 19/18 (2013.01); H03F 3/45479 (2013.01); H03F 2200/171 (2013.01);
Abstract

Amplifying circuitry configured such that when a detection circuit detects an abnormal state in which the level of signals input to a main amplifying circuit exceeds a normal range, a control circuit sets the state of integration of signals in the integration circuit to a default state. When the detection circuit detects the abnormal state and then detects that an operating state returns to a normal state in which the level of signals input to the main amplifying circuit is included in the normal range, the control circuit cancels the setting of the default state in the integration circuit.


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Uekura, Takaharu. (2024). Amplifier circuitry and current sensor having the same (U.S. Patent No. 11979120). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11979120

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