Interactive television system with partial character set generator
A technology of interactive TV and generator, which is applied to the components of TV system, TV, color TV, etc. It can solve the problems of slow interactive system and unacceptable
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[0013] Referring first to Figure 1, an interactive television system is shown. The broadcast signal is transmitted by the broadcaster of the broadcast center 10 . The broadcast signal is sent to viewers by satellite transmitter 12 or terrestrial link 18, such as coaxial circuit or fiber optic cable. In the case of a satellite link, the signal transmitted by transmitter 12 is received by satellite 14 and relayed to antenna 16 of the viewer. The received signal is decoded and detected by the set top box 20 and displayed on the television 22 . The set-top box is controlled by a user control 24, which may be a wired control or a remote control. The viewer uses the controller to select a desired program or to interact with the broadcast content, such as by the viewer by selecting a product or service to purchase.
[0014] figure 2 The operation of the broadcast center 10 and the set-top box 20 is shown in more detail. A video / audio stream 32, which may include conventional tel...
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