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:
Jan. 07, 2020
Filed:
Nov. 11, 2014
Hitachi, Ltd., Chiyoda-ku, Tokyo, JP;
Atsushi Isobe, Tokyo, JP;
Noriyuki Sakuma, Tokyo, JP;
Chisaki Takubo, Tokyo, JP;
Yuudai Kamada, Tokyo, JP;
Takashi Shiota, Tokyo, JP;
HITACHI, LTD., Tokyo, JP;
Abstract
An acceleration sensor () includes a fixed portion (), a movable portion () connected to the fixed portion (), a lower electrode () that is disposed to face a lower surface of the movable portion (), and an upper electrode () that is disposed to face an upper surface of the movable portion (). A distance in an x-axis direction between an end portion () of the lower electrode () and the fixed portion () is shorter than a distance in the x-axis direction between an end portion () of the upper electrode () and the fixed portion (). Further, a distance in the x-axis direction between an end portion () of the lower electrode () and the fixed portion () is shorter than a distance in the x-axis direction between an end portion () of the upper electrode () and the fixed portion ().