PROJECTOR, NETWORK SYSTEM, AND CENTRALIZED MANAGEMENT METHOD FOR PROJECTOR

摘要

PROBLEM TO BE SOLVED: To provide a projector which make it easy to structure a network system, the network system which includes them, and a centralized management method for the projectors of the network system. SOLUTION: The projector 1 has an optical engine 11 which projects video based upon a video signal, a circuit part 12 which controls its operation, and a power source part 13 which supplies electric power thereto and further has a network interface part 15 which enables the circuit part 12 and network constitution devices except the circuit part 12 to send and receive signals and an Ethernet (R) hub 16 which is connected to the network interface part 15 and network constitution devices and supplied with the electric power from the power source part 13.