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:
Oct. 19, 2021
Filed:
Dec. 24, 2018
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Hideki Kobayashi, Miyoshi, JP;
Akihiro Muguruma, Nagoya, JP;
Yukiya Sugiyama, Toyota, JP;
Shota Higashihara, Chiryu, JP;
Riho Matsuo, Nagoya, JP;
Naoki Yamamuro, Nagoya, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Abstract
A vehicle sound output device including: an acquiring section configured to acquire wakefulness level information that indicates a degree of a wakefulness state of a driver of a vehicle; and a control section configured to, in a case in which the degree of the wakefulness state indicates a decreased level of wakefulness, control a sound output section to output a sound based on at least one of a predetermined frequency, a predetermined tone, or a predetermined content that stimulates a sympathetic nerve of the driver.