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:
Jan. 15, 2019
Filed:
Nov. 02, 2016
Clarion Co., Ltd., Saitama-shi, JP;
CLARION CO., LTD., Saitama-Shi, JP;
Abstract
To make a notification to the driver so that the driver can distinguish or recognize the notification. A vehicle notification device () inputs a first sweep signal whose frequency is changed in a predetermined frequency range, to a vibrator (), calculates frequency characteristics of a vibration in the vehicle interior, detects a frequency range in which the signal level of vehicle-travel-time frequency characteristics is higher than the signal level of vehicle-stop-time frequency characteristics by a predetermined level amount or more, generates a second sweep signal whose frequency is changed in a range obtained by excluding the detected frequency range from the predetermined frequency range of the first sweep signal, and outputs the second sweep signal from the vibrator ().