Fingerprint recognition electronic lock system equipped with alarm function and interlocked with smart phone and security management method using the lock system
KR20190045607A
How to delete user data from Android-based mobile terminals
KR20190045617A
Real-time distance value and detector for measuring time and distance Distance measurement system and its system
JP2019061367A
Credit rating system and program
JP2018108313A
Putter head and putter provided with the same
KR20180007904A
Internet of things based position tracking intergration weapon management system
KR20170053920A
Personal situation management system in facilities for protective custody
KR20150119510A
Surveillance system for watching action of prisoner in accommodations
KR20140105928A
Rail camera and rail struture for transmitting power and network signal
KR20140008087A
Lashing bridge
KR20130116969A
Liftable car deck with foldable hook for car carrier