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:
May. 31, 2022
Filed:
Jun. 06, 2018
Applicant:
Alphatheta Corporation, Yokohama, JP;
Inventor:
Nao Takagi, Yokohama, JP;
Assignee:
ALPHATHETA CORPORATION, Yokohama, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 3/16 (2006.01); G10H 1/00 (2006.01); G10H 1/34 (2006.01); H04H 60/04 (2008.01);
U.S. Cl.
CPC ...
G06F 3/165 (2013.01); G06F 3/162 (2013.01); G10H 1/0091 (2013.01); G10H 1/34 (2013.01); H04H 60/04 (2013.01);
Abstract
A sound volume operation device configured to amplify and output an inputted acoustic signal includes: at least one sound volume adjuster configured to adjustably amplify an inputted acoustic signal; an output level detector configured to detect an output sound volume level of the acoustic signal amplified by the at least one sound volume adjuster; and an illuminator provided at or adjacent to the at least one sound volume adjuster and configured to provide a different illumination state according to the output sound volume level detected by the output level detector.