2015
|
Invention
|
Blind person path guidance system using active rfid/nfc tag. The present invention relates to a s... |
2014
|
Invention
|
Method for storing, transmitting, and receiving information of rfid tag for road guidance system ... |
2012
|
Invention
|
Road guidance system for visually impaired. The present invention relates to a road guidance syst... |
2011
|
Invention
|
Block mat with composite elastic layer for bottom of playground, and preparation method thereof. ... |
|
Invention
|
Lightweight rubber block. The present invention relates to a lightweight rubber block; and more s... |
|
Invention
|
Rubber block having relocatable upper blocks. The present invention relates to a rubber block hav... |
|
Invention
|
System and method for guiding the walking direction of the visually impaired using rfid blocks. T... |
|
Invention
|
System and method for guiding walking directions of blind person using rfid blocks. The present i... |
2010
|
Invention
|
Electronic cane for the visually impaired for recognizing rfid tags. The present invention relate... |
|
Invention
|
Braille block rfid tag for walking guidance for a visually impaired person, and method for manufa... |
|
Invention
|
Road surface cutting apparatus. The present invention relates to a road surface cutting apparatus... |
2009
|
Invention
|
Position-searching system using rfid. The present invention relates to a position-searching syste... |
|
Invention
|
Roadway warning apparatus for visually impaired persons. The present invention relates to a roadw... |
|
Invention
|
Public transportation information sensing system for visually impaired persons. The present inven... |
|
Invention
|
Design construction method for elastic pavement. Disclosed is a process for construction of a des... |