Ked & Associates, LLP
Doorbell apparatus and method of controlling power supply of the same
A doorbell apparatus and a method of controlling power supply to a doorbell apparatus are provided. The doorbell apparatus may include a power supplier, a battery device charged with power from the power supplier device, a doorbell controller driven using the power from the power supplier device or the power charged in the battery device, and a power supply controller configured to control supply of power to the doorbell controller according to whether the power is input from the power supplier device.
LG INNOTEK CO., LTD.
H G H H Y H H H
H02J G08B H02J H02J Y02E H01M H02J H02J
inventional inventional inventional additional additional inventional inventional additional
Jin Kuk Kwang Jae Jong Hoon Seong Chul
Lee Park Kim Lee