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:
Sep. 10, 2024
Filed:
Aug. 23, 2021
Applicant:
Denso Electronics Corporation, Anjo, JP;
Inventor:
Chikara Yamamoto, Anjo, JP;
Assignee:
DENSO ELECTRONICS CORPORATION, Anjo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F 3/217 (2006.01); B60K 35/00 (2024.01);
U.S. Cl.
CPC ...
H03F 3/217 (2013.01); B60K 35/00 (2013.01); H03F 2200/03 (2013.01); H03F 2200/351 (2013.01);
Abstract
An audio output device includes PWM output devices, a weighting unit, a mixer, and an amplifier. The PWM output devices divide audio data into multiple parts including an upper bit part to a lower bit part, and output the multiple parts of the audio data as PWM outputs. The weighting unit weights the PWM outputs from the PWM output devices. The mixer synthesizes the PWM outputs after being weighted. The amplifier supplies an electric current to a sounding body in accordance with a synthesis result by the mixer to cause the sounding body to emit a sound.