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:
Sep. 15, 2020
Filed:
Dec. 26, 2017
Lg Electronics Inc., Seoul, KR;
Wonwoo Lee, Seoul, KR;
LG ELECTRONICS INC., Seoul, KR;
Abstract
A power supply apparatus having a power saving function and a related air conditioner are disclosed. The power supply apparatus includes a first communication unit, a first controller transmitting a control signal to the first communication unit, a main power supply including a switched-mode power supply (SMPS) connected to an AC power supply and supplying power and a standby power switch selectively switching power supplied to the SMPS, an auxiliary power supply connected to the AC power supply, a second communication unit connected to the first communication unit via a communication line and receiving power from the auxiliary power supply, a switching driver connected to the auxiliary power supply and the second communication unit and supplying driving power to the standby power switch according to the control signal, and a second controller receiving power from the SMPS and selectively supplying power to the switching driver.