Authentication System and Device for Unmanned Sales Kiosk
KR101850715B1
Method for operating climbing notification server using beacon signal
KR101831851B1
Climbing notification system using beacon signal
KR101782042B1
Livestock management system using beacon signal and operating method thereof
KR101595524B1
Public mobile phone managing system having a function of private protection
KR101602430B1
Emergency rescue managing system and method
KR101463964B1
Forest fire managing system
KR101420864B1
Managing and control system for snow removing situation
KR20150067558A
System for registrating one or more certification photos
KR101415967B1
Golf cart moving system and method
KR101314279B1
Non-smoking area monitoring system and method
KR20130033499A
Wireless lan ap and system for collecting customer's information and transmitting advertising event message for opt-in marketing using the wireless lan ap
KR101217807B1
Apparatus and method for processing intelligent network call having customer division function in mobile communication system
KR101048522B1
Monitor system for public order and mobile phone had an app for monitoring public order
KR20060115979A
Call processing device and method including caller information modulation
KR100664727B1
A address data transmission system and methods make use of pstn