TELDAT
digital equipment, comprised of packet switching nodes with terminal adapters and modems, and having multiprotocol concentration features, network management, data encryption and file transfer capabilities with integrated services digital network access, for data transmission via computers and excluding radio sets, specially emitter-receiver sets with additional modulability of signals emitted by prefixed signals, as identification and/or SOS call signals, and apparatus for their evaluation a...
Registered · September 15, 1995 · 74729448 ·