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.:
Date of Patent:
Dec. 19, 2017
Filed:
Sep. 28, 2012
Akebono Brake Industry Co., Ltd., Chuo-ku, Tokyo, JP;
Japan Oil, Gas and Metals National Corporation, Tokyo, JP;
Takashi Kunimi, Tokyo, JP;
Toru Sekine, Tokyo, JP;
AKEBONO BRAKE INDUSTRY CO., LTD., Tokyo, JP;
Japan Oil, Gas and Metals National Corporation, Tokyo, JP;
Abstract
An acceleration sensor circuitof the invention includes an acceleration sensorhaving a first capacitor Cwhose capacitance changes according to a position of a first movable electrode and a second capacitor Cwhose capacitance changes as opposed to the first capacitor according to a position of a second movable electrode moved together with the first movable electrode, a first circuitA for generating a sinusoidal AC signal of a predetermined frequency, a second circuitfor generating a signal according to the positions of the movable electrodes, and an arithmetic circuitfor analyzing data in which a signal generated by the second circuitis encoded and outputting data of acceleration.