Patent ID: 6157809
Filing Date: 2000-12-05
Classification: H04H,H04N

Abstract:
A broadcast system comprising:at least one broadcast station including a broadcast device which broadcasts video programs via a one-way network and a broadcast server which transmits information data related to the video programs via a two-way communication network; andterminal devices which receive the video programs broadcast from said at least one broadcast station, each of the terminal devices having a display which displays a selected one of the video programs received, an event occurring circuit which generates an event in response to a manual operation by a user of one of the terminal devices, and a network access circuit which transmits an event identification data, a time information at which the event is generated, and a channel information of the selected one of the video programs displayed to the broadcast server via the two-way communication network,wherein when said broadcast server receives the event identification data, the time information, and the channel information from one of the terminal devices, said broadcast server transmits the information data related to the selected one of the video programs to the one of the terminal devices and when said one of the terminal devices receives the information data, said one of the terminal devices changes a display content of said display in accordance with the information data received.