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(11) | EP 0 831 606 A3 |
| (12) | EUROPEAN PATENT APPLICATION |
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| (54) | Method of transmitting a broadcast signal, such as a videosignal, comprising a main signal and a supplementary signal relevant for limited area, and transmitting apparatus and receiving apparatus therefor |
| (57) A method for transmitting an information signal such as pictures and a transmitting
apparatus and a receiving apparatus for this signal, wherein transmitting a limited
information signal, a signal for showing an area to which the limited information
signal is applied, and a control signal for controlling the display are transmitted,
permits transmitting information closely linked to the area of subscribers and displaying
this information at a predetermined time to realize a transmission of information
effective for subscribers and increase convenience of the subscribers. Further, transmitting
following frequency multiplexing or time-axis multiplexing the main information signal
and the limited information signal and multiplexing a plurality of the limited information
signals by time-division permits the limited information signals corresponding to
many areas to be transmitted. Whereby detailed information can be provided so that
subscribers convenience can be further improved. Still further, transmitting menu
screen information or the like enables subscribers to select a limited information
signal of an area different from the limited information signal of a pre-set area
for improving the customers convenience. |