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:
Apr. 23, 2019
Filed:
Mar. 06, 2017
Applicant:
Alps Electric Co.,ltd., Ota-ku, Tokyo, JP;
Inventor:
Eiji Umetsu, Niigata-ken, JP;
Assignee:
Alps Alpine Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01D 11/26 (2006.01); G01D 11/24 (2006.01); G01L 9/08 (2006.01);
U.S. Cl.
CPC ...
G01D 11/245 (2013.01); G01D 11/26 (2013.01); G01L 9/08 (2013.01);
Abstract
A sensor device includes: a sensor portion having a movable thin film and a detection element configured to output a signal corresponding to displacement of the movable thin film; a frame portion disposed to surround an outside of the sensor portion; a circuit board including a circuit configured to process the signal output from the detection element; and a lid portion which is attached onto the frame portion and has a through-hole, in which a functional film having higher hydrophobicity than a surface of the lid portion is provided on at least an inner surface of the through-hole in the lid portion.