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. 27, 2025
Filed:
Aug. 18, 2023
Applicant:
Elite Semiconductor Microelectronics Technology Inc., Hsinchu, TW;
Inventors:
Ming-Fu Tsai, Hsinchu, TW;
Sheng-Hung Hsu, Hsinchu, TW;
Assignee:
Elite Semiconductor Microelectronics Technology Inc., Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05B 19/4062 (2006.01); G08B 3/00 (2006.01);
U.S. Cl.
CPC ...
G05B 19/4062 (2013.01); G05B 2219/34429 (2013.01); G08B 3/00 (2013.01);
Abstract
An inductor driving device includes multiple switching elements and a control circuit, wherein an inductor is driven according to switching of the multiple switching elements. The control circuit is arranged to generate a control signal for controlling the multiple switching elements. In a first mode, the control signal has a constant frequency. In a second mode, the control circuit adjusts a frequency of the control signal and continuously changes a current direction of the inductor, to generate one of multiple audio signals through the inductor.