Traffic control system for continuous radio supervision of vehicle movements for urban public transportation by fixed supervisory station; capacity for 24 routes each with 48 vehicles; control center sequentially calls each vehicle which responds with position-indicating coded signal; two-way speech facilities are provided; modulation is by frequency-shift keying; 10 w output reached 20/30 km communications radius.
Mobilophone bus traffic supervision and control system
Philips Telecommunication Rev
Philips Telecommunication Review ; 26 , n 1
1965
16 pages
Article (Journal)
English
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