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