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. 30, 2019
Filed:
Sep. 20, 2016
Murata Manufacturing Co., Ltd., Nagaokakyo-shi, Kyoto-fu, JP;
MURATA MANUFACTURING CO., LTD., Nagaokakyo-Shi, Kyoto-Fu, JP;
Abstract
An ultrasonic sensor including a case having a bottom portion, and a piezoelectric element that is bonded to an inner surface of the bottom portion and performs bending vibration together with the bottom portion. The piezoelectric element includes a piezoelectric layer having a transmission region and a reception region, a common electrode, a transmission electrode opposing the common electrode with the transmission region interposed therebetween, and a reception electrode opposing the common electrode with the reception region interposed therebetween. The transmission region and the reception region are formed at positions adjacent to each other.