Lg Innotek Co., Ltd.

Jung Young Bae

Jae Myoung Kim

Ki Kyung Jeon

Min Yong Choi

The present embodiment relates to a camera module comprising: a first body; a lens holder coupled to the first body; and a second body coupled to the first body. The lens holder comprises a first coupling part comprising a first portion, which protrudes from the outer peripheral surface of the lens holder, and a second portion which extends towards the first body from the first portion. The first body comprises a second coupling part which can be coupled to the first coupling part. The second portion of the first coupling part comprises screw threads formed on the inner peripheral surface of the second portion. The second coupling part comprises screw threads formed on the outer peripheral surface of the second coupling part.

Camera module

A doorbell apparatus according to one embodiment of the present disclosure includes an input port configured to receive power; an interface including a plurality of interface components and a first controller that is set to control the plurality of interface components; a battery configured to supply the power to the interface; a switching circuit connected to a switch and configured to change a path of a current that is supplied from the input port according to an ON or OFF state of the switch; and a second controller configured to control charging of the battery and a current supply to the interface using the current that is output from the switching circuit, wherein the second controller limits a current supplied to the interface according to an operation mode of the interface, and the operation mode includes a first operation mode and a second operation mode in which power required inside the interface is less than that of the first operation mode.

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Seoul, South Korea

Jung Young Bae