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.

Date of Patent:
Apr. 20, 2021

Filed:

Dec. 12, 2019
Applicant:

Lapis Semiconductor Co., Ltd., Kanagawa, JP;

Inventor:

Hiroji Akahori, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B 21/00 (2006.01); B60Q 5/00 (2006.01);
U.S. Cl.
CPC ...
B60Q 5/008 (2013.01); B60Q 5/006 (2013.01);
Abstract

A sound output device for installation at a vehicle is provided with a warning sound generation section configured to generate a warning sound including at least one sine wave, a background sound generation section configured to generate a volume-adjusted first background sound based on a selected sound source, a controller configured to control selection of a sound source of the first background sound based on externally-supplied selection information, and a first synthesizer section configured to combine the warning sound and the first background sound and output the combination as a first advisory sound.


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