Samsung Electronics Co., Ltd.

Gi-hyeong Lee

Ju-sang Lee

Jin-hee Kim

Dae-hyung Kim

Jae-shik Jeong

Jea-yun So

Gyu-hwan An

Kyoung-whan Kim

Seung-moo Lim

Han-kyeol Kim

Seon-gu Lee

Bu-mun Jung

Yeon-kyu Jeong

A vacuum cleaner is provided. The vacuum cleaner includes a motor configured to rotate at a speed of predetermined revolutions per minute (RPM) in a normal mode, a first switch configured to control a power on/off operation of the vacuum cleaner, a second switch configured to change an operation mode of the vacuum cleaner, a battery unit including a first processor configured to, based on the first switch being pressed, control a power of the vacuum cleaner to be turned on, and a second processor configured to, based on the power of the vacuum cleaner being turned on according to an operation of the first switch, control the vacuum cleaner to operate in the normal mode, and according to an operation of the second switch in the normal mode, control the vacuum cleaner to operate in a standby mode where power supplied to the motor is turned off.

Vacuum cleaner and controlling method of the vacuum cleaner

A robot cleaner includes a cleaner main body, a driver to move the cleaner main body, a sensor to sense an obstacle, and a sensor driver to rotate the sensor so that the sensor reciprocates in left and right directions within a predetermined angle range about a reference direction. In addition, a processor controls the driver to adjust a traveling direction of the cleaner main body based on the sensing result of the sensor, and to change the reference direction with a rotation direction if the cleaner main body is rotated.

Robot cleaner and method for driving the same

A refrigerator for monitoring the status of another space by means of a display device mounted to the refrigerator, a monitoring system having the refrigerator and a control method thereof. The refrigerator includes a body which is formed with a storage chamber, a door for opening and closing the storage chamber, and a display device which is mounted to a front side of the door, the display device having a receiving part for receiving a monitoring image signal from a predetermined outside signal supply source, an image signal processing part for processing the received monitoring image signal, a display part for displaying the monitoring image signal and a control part for controlling the image signal processing part so that the received monitoring image signal is displayed on the display part.

Refrigerator, monitoring system having refrigerator and control method thereof

Growing community of inventors

Suwon-si, South Korea

Gi-hyeong Lee