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:
Jan. 26, 2021
Filed:
Oct. 21, 2019
Samsung Electronics Co., Ltd., Suwon-si, KR;
James Lazar, Moorpark, CA (US);
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
One embodiment provides a method for nonlinear control of a loudspeaker. The method comprises determining a target displacement of a diaphragm of a speaker driver of the loudspeaker based on a physical model of the loudspeaker and a source signal for reproduction via the speaker driver. The method further comprises determining, based on the target displacement, a corrected drive signal that compensates for action of reluctance force on the speaker driver during the reproduction of the source signal, and transmitting the corrected drive signal to a power amplifier connected to the loudspeaker. The power amplifier drives the speaker driver based on the corrected drive signal. Audio distortion generated by the speaker driver during the reproduction of the source signal is reduced based on the power amplifier output, via the corrected drive signal.