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:
Dec. 05, 2023

Filed:

Jul. 05, 2022
Applicant:

Point Tek Co., Ltd., Yongin-si, KR;

Inventor:

Jun Sik Kim, Yongin-si, KR;

Assignee:

POINT TEK CO., LTD., Yongin-si, KR;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/335 (2006.01); H02M 1/32 (2007.01); H02M 7/06 (2006.01); H05B 45/3725 (2020.01);
U.S. Cl.
CPC ...
H05B 45/3725 (2020.01); H02M 3/33507 (2013.01); H02M 3/33561 (2013.01); H02M 3/33569 (2013.01);
Abstract

Provided is an apparatus for supplying power. The apparatus includes a rectifier unit configured to apply a voltage by rectifying alternating current power source, a light emitting unit including a plurality of light emitting diodes which emit light by electric current according to the voltage and are connected in series, a signal generation unit configured to generate a driving signal by dropping the voltage of the rectifier unit, and a switch unit including a plurality of transistors which are connected to the plurality of light emitting diodes, respectively, and are turned on by the driving signal and switch a route of electric current flowing in the plurality of light emitting diodes to be supplied to a microcontroller as power source.


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