发明名称 SOUND SIGNAL SYSTEM FOR A BLIND PERSON USING GPS AND A SMART PHONE APPLICATION
摘要 <p>The present invention enables a sound signal device for a blind person installed in a pedestrian light pole of a crosswalk or a crossroad to start an operation by receiving a drive signal from a blind person guide device or smart phone provided with a GPS module when a blind person reaches a specified traffic light controller or sound signal device while moving along the path set in the guide device and smart phone.</p>
申请公布号 WO2013172516(A1) 申请公布日期 2013.11.21
申请号 WO2012KR08942 申请日期 2012.10.29
申请人 ROAD TRAFFIC AUTHORITY 发明人 HONG, DOO-PYO;KWON, KI-HWAN;YANG, SHIN-HWAN;KANG, YOON-WON
分类号 G08G1/095 主分类号 G08G1/095
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