패밀리특허 검색결과
Status	Patent	Country	KIPRIS
Registered	상향 링크를 이용하여 제어 신호를 전송하는 시스템	KOREA
Registered	METHOD FOR TRANSMITTING CONTROL SIGNALS USING AN UPLINK	GERMANY
Registered	SYSTEM FOR TRANSMITTING CONTROL SIGNALS USING AN UPLINK	UNITED STATES
Registered	SYSTEM FOR TRANSMITTING CONTROL SIGNALS USING AN UPLINK	CHINA