유럽은 NMT(Nordic Mobile Telephone), 영국의 TACS(Total Access Coverage Service), 프랑스의 RADIOCOM 등 여러 개의 아날로그 이동통신 방식이 존재하였다. 이 때문에 사용자의 불만과 디지털 무선망의 접속을 위해 1982년 CEPT(Conference of European Postal and Telecommunication Administrations)로 하여금 Group Special Mobile을 구성하도록 하였
Station2 expansion bay launched in Japanese market, and SCE Korea Inc. started its operation. In the same 2001, PS2 started to be sold in Hong Kong, Singapore, Thailand, and Malaysia. In 2004, PSP(Play Station Portable) was released in Japanese market and since 2005, PSP was sold worldwide; US, Europe, Singapore, Taiwan and etc. In 2005, the company acquires SN Systems Limited, a leading supplier
system
Leading car in the entry to unoccupied parking lot by notifing from CCTV monitor which is searching for empty parking space
Connecting to Government office or Security agency
contact to police station, fire station or security agency if recognized risk of damage or danger by connected signal system of sensor
1. increasing efficiency by quick guide from entrance to parking slot
2.
systems found in all courier vans.
Hand-held computers, called SuperTrackers, are used to scan the progress of the package an average of 5 times from pick-up to delivery. Couriers simply scan the bar code on every waybill with their SuperTracker®, at every stage of the delivery process. Scans are performed at time of pick-up, on arrival at the origin station, on arrival at the destination sta
stations to facilitate the transfer from the subway to buses. The interviewee, manager of transportation information Sung-Hoon Shin, explained that the existence of terminals reduce the inconvenience of waiting for the bus outside in the cold or heat. By knowing when the bus will arrive, citizens can make better decisions. On the right is a picture taken inside the Gwanghwamoon Station (Line 5),