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:
Jun. 16, 2020
Filed:
Jun. 07, 2016
Denso Corporation, Kariya, Aichi-pref., JP;
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
DENSO CORPORATION, Kariya, Aichi-Pref, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota-Shi, Aichi-Ken, JP;
Abstract
A driving assistance device that detects an object around the own vehicle by using an ultrasonic sensor mounted on the own vehicle and performs driving assistance control of the own vehicle. The driving assistance device drives an oscillator of the ultrasonic sensor so that ultrasonic waves are transmitted from the oscillator. The driving assistance device acquires a duration and a frequency of reverberation occurring in association with driving of the oscillator. The driving assistance device determines, on a basis of the acquired duration and frequency of the reverberation, whether an oscillation characteristic of the reverberation has changed. The driving assistance device changes, on a basis of a result of determination of the oscillation characteristic of the reverberation, at least one execution mode of the driving assistance control and determination of abnormality in the driving assistance control.