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:
Jun. 16, 2020

Filed:

Oct. 10, 2018
Applicant:

Trigence Semiconductor, Inc., Tokyo, JP;

Inventors:

Akira Yasuda, Tokyo, JP;

Jun-ichi Okamura, Tokyo, JP;

Hiroshi Iwamura, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 3/04 (2006.01); H03G 5/16 (2006.01); G06F 3/16 (2006.01); H03G 5/02 (2006.01); H03G 3/30 (2006.01); H04R 29/00 (2006.01); H04R 1/28 (2006.01);
U.S. Cl.
CPC ...
H04R 3/04 (2013.01); G06F 3/162 (2013.01); G06F 3/165 (2013.01); H03G 3/3005 (2013.01); H03G 5/025 (2013.01); H03G 5/165 (2013.01); H04R 29/001 (2013.01); H04R 1/2819 (2013.01);
Abstract

A speaker driving device including a setting part setting at least one parameter defining an equivalent circuit of a first speaker unit as a first parameter; a first calculator configured to change a first frequency response based on the first parameter, the changed first frequency response being applied to an input signal; and a driving signal generator configured to generate a drive signal for driving a speaker unit based on a first calculation signal, the first calculation signal being obtained by applying the changed first frequency response to the input signal.


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