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. 26, 2026
Filed:
Jun. 27, 2024
Applicant:
Cyber Power Systems, Inc., Taipei City, TW;
Inventors:
Assignee:
CYBER POWER SYSTEMS, INC., Taipei City, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J 9/06 (2006.01); H02J 3/32 (2026.01); H02J 7/06 (2006.01); H02J 7/82 (2026.01); H02J 7/90 (2026.01); H02J 7/96 (2026.01);
U.S. Cl.
CPC ...
H02J 9/062 (2013.01); H02J 3/32 (2013.01); H02J 7/06 (2013.01); H02J 7/82 (2026.01); H02J 7/927 (2026.01); H02J 7/96 (2026.01); H02J 2207/20 (2020.01);
Abstract
A power device comprises a buzzer, a control unit, and a driving circuit. The control unit records a plurality of PWM frequencies corresponding to various pitches, and is configured to generate a PWM signal according to an alert sound corresponding to a determination result, and to change the frequency of the PWM signal according to at least two pitches of the alert sound. As to the driving circuit, it is configured to drive the buzzer to emit the alert sound according to the PWM signal.