CATV system
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United States of America Patent
Stats
-
Jun 16, 1998
Grant Date -
N/A
app pub date -
May 24, 1995
filing date -
Sep 6, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An image-data-system host computer outputs image data, the protocol of which is not disclosed. The image data outputted from the image-data-system host computer is transmitted via an image-data-system terminal and a video control unit to a data management unit. On the other hand, the data management unit decrypts in accordance with a protocol and acquires text data outputted from a text-system host computer whose protocol is disclosed. A signal transmitting unit transmits the image data and the text data outputted from the data management unit via a coaxial cable to a display unit. The display unit displays images in response to the image data and the text data received from the signal transmitting unit.
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