| 摘要 |
FIELD: automatic traffic control systems. SUBSTANCE: device has central dispatching station and checkpoints, each of which has short and long range transmitters and controller. Central dispatching station has two-channel transceiver, communication channels interface, digital-to-analog converter, voice communication unit, analog-to-digital converter. In addition device has local-area network which has file-server channel interface unit and workstations for dispatchers and service personnel. Each city line carrier has two-channel transmitter, control unit, digital-to-analog converter, analog-to-digital converter, voice communication unit, display and control unit. EFFECT: increased functional capabilities. 2 cl, 3 dwge
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