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:
Mar. 03, 2015
Filed:
Jun. 28, 2011
Keiko Akiyama, Kariya, JP;
Mitsuyasu Matsuura, Chiryu, JP;
Toshiki Isogai, Nagoya, JP;
Makiko Sugiura, Hekinan, JP;
Keiko Akiyama, Kariya, JP;
Mitsuyasu Matsuura, Chiryu, JP;
Toshiki Isogai, Nagoya, JP;
Makiko Sugiura, Hekinan, JP;
DENSO CORPORATION, Kariya, JP;
Nippon Soken, Inc., Nishio, JP;
Abstract
An ultrasonic sensor is disclosed. The ultrasonic sensor includes a piezoelectric element and an acoustic matching member. The piezoelectric element is configured to detect ultrasonic wave transmitted from a transmitter and reflected by a detection target object located in a detection target space. The acoustic matching member is configured to conduct the received ultrasonic wave to the piezoelectric element. The piezo electric element is covered with the acoustic matching member including a principal oscillation portion and a supplement oscillation portion. Thickness of a part of the supplement oscillation portion, the part covering the piezoelectric element, is smaller than a predetermined thickness threshold.