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 8991252 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 31, 2015

Filed:

Aug. 26, 2011
Applicant:

Katsutoshi Narita, Miyoshi, JP;

Inventor:

Katsutoshi Narita, Miyoshi, JP;

Assignee:

Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01P 15/125 (2006.01); G01C 19/56 (2012.01); G01C 19/5747 (2012.01);
U.S. Cl.
CPC ...
G01P 15/125 (2013.01); G01C 19/5747 (2013.01);
Abstract

According to a displacement amount monitoring electrode arrangement, there are a linear change region in which the change amount of capacitance changes linearly with the displacement of the movable electrode in the predetermined axis direction, and a nonlinear change region in which the change amount of the capacitance changes nonlinearly with the displacement of the movable electrode in the predetermined axis direction. The nonlinear change region includes a characteristic in which a change sensitivity of the change amount of the capacitance with respect to the displacement amount of the movable electrode in the predetermined axis direction is greater than that in the linear change region, and a target capacitance change amount of the capacitance when the displacement of the movable electrode in the predetermined axis direction reaches a target displacement amount corresponding to the target amplitude is set in the nonlinear change region.


Find Patent Forward Citations

Narita, Katsutoshi. (2015). Displacement amount monitoring electrode arrangement (U.S. Patent No. 8991252). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8991252

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