오영하

发表

Wireless speaker and wireless speaker system

권미화, 오영하, 조용민, 2011 .

Method and system of providing highway traffic informations

권미화, 오영하, 조용민, 2009 .

The apparatus of battery pack to have a four terminal network charging moudle of multi channel and power supply moudle of multi channel

권미화, 오영하, 조용민, 2009 .

The solar cell board to have a four terminal network charging moudle of multi channel and power supply moudle of multi channel

권미화, 오영하, 조용민, 2010 .

The apparatus and method of amount of snowfall measure with rds fm module

권미화, 오영하, 조용민, 2009 .

The apparatus of multi moving motor control in military car and electric car

권미화, 오영하, 조용민, 2010 .