Service-integrated communication transmission and exchange system
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United States of America Patent
Stats
-
Jul 26, 1983
Grant Date -
N/A
app pub date -
Jun 18, 1981
filing date -
Jun 18, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A service-integrated communication transmission and exchange or relay system for audio, video and data services, of the type including a central exchange or relay office and a plurality of user equipment connected thereto by means of optical fibre cables, and wherein the user equipment are equipped with selection and receiving devices for selecting and receiving certain services and their programs which are transmitted over possibly likewise selectable transmission channels. An acknowledgment arrangement is provided with which the selection and relaying of the services by the central office can be acknowledged to the user equipment.
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