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:
Oct. 17, 2023
Filed:
Jul. 05, 2018
Daikin Industries, Ltd., Osaka, JP;
Osaka University, Osaka, JP;
Shinya Bitou, Osaka, JP;
Tetsuhiro Kodani, Osaka, JP;
Saori Sakami, Osaka, JP;
Takashi Kanemura, Osaka, JP;
Tsuyoshi Sekitani, Osaka, JP;
Takafumi Uemura, Osaka, JP;
Shusuke Yoshimoto, Osaka, JP;
DAIKIN INDUSTRIES, LTD., Osaka, JP;
OSAKA UNIVERSITY, Osaka, JP;
Abstract
An object of the present invention is to provide a vibration sensor in which the frequency dependence of the output is small. The present invention provides a vibration sensorcomprising: a support; an organic piezoelectric materialdeformably disposed in or on the support; and an electrodefor extracting an electrical signal generated by deformation of the organic piezoelectric material, the electrodebeing formed on the organic piezoelectric material, the organic piezoelectric materialcomprising a copolymer of vinylidene fluoride and one or more monomers copolymerizable with vinylidene fluoride.