The History of Radio(라디오의 역사)
The Early Years (초기)
1877년에, Thomas Edison는 기계 원통에 처음으로 "메리가 어린양을 가졌다"라고 기록하였습니다. 10년후 Heinrich Hertz는 전류가 파동을 가진다는 것을 증명하였습니다.
1895년에, Guglielmo 마르코니는 처음으로 라디오 시그널을 1마일 밖에있는 가족에게 보
satellite DMB. Ground wave DMB is a Digital broadcasting service that is transmitted through the transition tower on the ground and free watching service can be made possible. There are 6 firms in Korea, including Korean Broadcasting Networks who are in the business right now.
Satellite DMB is a charged satellite service that can be watched anywhere through a private portable devices. In Korea,
Industry outline
Television providing programs and channels delivered by satellite
Broadcasting received by satellite dish and set-top box
Skylife can provide more channels than terrestrial and cableTV, also can serve wide areas where are not served by competitors
Market foreclosure
Market Foreclosure : an examination of media markets shows that integrated operators are likely exclude riv
참고문헌
1. What customer needs and wants lead to the demand for satellite telephone service?
먼저, 위성 전화 서비스 (Satellite telephone service) 에 대해 알아보자.
우리가 흔히 사용하는 휴대전화는 사용자와 육상기지국 간의 통신을 통해 서비스를 제공한다. 하지만 위성 전화 서비스는 휴대전화와 달리 위성과 사용
TU media Corp.
Brief History
Jan. 2001. Start to develop satellite
Dec.2003. FoundTU Media Corp
Feb.2004. Establish broadcasting center
Mar.2004. Succeed to launch DMB satellite “Han-Byul”
Dec.2004. Acquire enterprise right for S-DMB
May.2005. Start S-DMB service
Jun.2009. Reach to subscribers of 2 million
Service Channels
19 Video Channels
16 Audio Channels