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:
Feb. 03, 2015
Filed:
Aug. 17, 2010
Hiroshi Urase, Aichi, JP;
Yasusi Nagano, Mie, JP;
Naoya Azuma, Mie, JP;
Abstract
An ultrasonic sensor is provided at a bumperof a vehicleand used in a vehicle obstacle detectorthat detects the presence of an obstacle within a detection area by transmitting and receiving ultrasonic waves. The ultrasonic sensor includes a piezoelectric elementconfigured to transmit and receive the ultrasonic waves by using vibrations of a piezoelectric substrate and a plate-shaped acoustic matching layeron one surfaceof which the piezoelectric element is attached. The ultrasonic sensor is inserted in a mounting hole formed through the mounting surface. Another surfaceof the acoustic matching layeropposite to the one surfaceis inclined with respect to the one surfaceon which the piezoelectric element is attached, and is formed to be parallel with the outer surface of the bumper