Hyundai Motor Company

Kia Motors Corporation

Industry-university Cooperation Foundation Sogang University

Yura Corporation Co., Ltd.

Young Hoon Kwon

Jong Sung Lim

Ki Pung Yoo

Gap Su Han

Ho Jin Jung

A Ram Cho

Hyun Soo Ahn

Hae Yun Kwon

Soo Mi Kim

Hyun Gil Kang

June Hee Park

A method of managing backup power for wireless vehicle communication is provided. The method includes determining whether a vehicle is turned on or off and when the vehicle is turned off, determining whether a wireless communication unit in the vehicle is in a sleep mode. When the wireless communication controller is in the sleep mode, the wireless communication controller is converted into a standby mode, and power-switching control is performed based on a standby time according to the standby mode.

Method of managing backup power for wireless vehicle communication and power management system using the same

The present disclosure relates to a method of managing a controller with reliability and, more particularly, to authentication and data exchange during installation/use/removal of a vehicle controller, a gateway and a tester using an encryption algorithm. A method of authenticating a controller by a gateway in a vehicle includes: transmitting a first message including a first random number to the controller when a first condition is satisfied; receiving, from the controller, a second message including the first random number to which an electronic signature has been attached through a private key of the controller; decrypting the first random number having the electronic signature attached thereto using a public key of the controller; and transmitting, to the controller, a symmetric key encrypted using the public key of the controller when the decryption has been successfully performed.

Method of providing security for controller using encryption and apparatus therefor

A cleaning apparatus in which a cleaning process is simplified, a time required for the cleaning process is reduced and which has an excellent cleaning effect, and a high pressure cleaner for use therein are provided.

Cleaning apparatus and high pressure cleaner for use therein

Provided is a cleaning process which is simplified and in which a time required for the cleaning process is reduced and which has an excellent cleaning effect. The cleaning process comprises loading a wafer in a high pressure cleaner, injecting high-purity gaseous carbon dioxide (CO) having low pressure into the high pressure cleaner, injecting COhaving lower pressure than supercritical cleaning pressure into the high pressure cleaner, cleaning the wafer by injecting a supercritical homogeneous transparent phase mixture in which a cleaning additive and supercritical COare mixed, into the high pressure cleaner under a supercritical cleaning pressure, rinsing the wafer by injecting a supercritical rinsing mixture in which a rinsing additive and supercritical COare mixed, into the high pressure cleaner, and separating COfrom a mixture discharged from the high pressure cleaner.

Cleaning process

Growing community of inventors

Seoul, South Korea

Young Hoon Kwon