US Patent 7954130 Network camera system and network camera control program

A network camera system that transmits video captured by a camera to a client via a network include a recording device directly connected thereto or built therein, wherein the client switches between a normal mode in which the camera transmits continuous video images and a file transfer mode in which video captured by the camera is temporarily stored as a file in the recording device and the file is transferred to the client in response to an instruction from the client.