Communications: electrical – Selective – Having indication or alarm
Patent
1984-05-31
1986-03-25
Crosland, Donnie L.
Communications: electrical
Selective
Having indication or alarm
340 47, 340539, 340566, 246121, 246167D, 358108, 364426, 381 56, 73636, B61L 1500
Patent
active
045786658
ABSTRACT:
A self-propelled remotely controlled satellite car precedes a train along train tracks. The satellite car is remotely controlled to travel a predetermined distance ahead of the train. The satellite car is equipped with a sensor array which measures a variety of different parameters such as sound level, temperature, the presence of noxious gases, moisture, orientation with respect to the direction of the force of gravity and vibration level. The satellite car may be equipped with a television camera. Information gathered by the satellite car is transmitted back to the train to enable the train engineer to be apprised of conditions existing on the tracks ahead of the train in order to have time to react to potential hazards. Position indicators disposed along the tracks transmit position information to the satellite car to permit the satellite car to correlate measured information with expected information. The satellite car and the train may be linked by infrared, electromagnetic, or ultrasonic transmitters and receivers. Actuators operatively connected to a chair on board the train may vibrate the chair in accordance with vibration levels detected on the satellite car to alert a human seated in the chair of vibration levels soon to be encountered by the train.
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