KR102181473B1
|
|
Support base arm coupling device
|
KR102167704B1
|
|
Antenna system for highpass
|
KR102181472B1
|
|
Road surface safety devcie of tram-mixed rod
|
KR102211951B1
|
|
Air circulation system inside road signboard
|
KR102167703B1
|
|
Traffic signal Controller for using both AC and DC
|
KR102060021B1
|
|
Image acquisition method of heterogeneous number plate
|
KR101984935B1
|
|
Priority traffic signal management method
|
KR20200031395A
|
|
Bus queue length display system in a bus stop
|
KR102034824B1
|
|
Antenna module assembly for high-pass
|
KR102040122B1
|
|
Communication control method of electronic toll collection system
|
KR20200009840A
|
|
Connection system of emergency vehicle and traffic signal
|
KR102035757B1
|
|
Antenna cradle
|
KR20200006385A
|
|
Priority traffic signal management method
|
KR20190047965A
|
|
Parking control system using highpass terminal
|
KR20180066626A
|
|
Smart traffic signal controller that application hybrid power supply
|
KR101744795B1
|
|
Smart traffic signal controller that have watt-hour meter
|
KR20170060440A
|
|
Power supply device of traffic signal controller
|
KR20150100372A
|
|
Light crosswalk with acoustic signal
|
KR20140144574A
|
|
Hi-pass system for applying hi-pass speed limit system
|
KR101192712B1
|
|
Signal lamp
|