Radio system

Details Radio system Radio system

H - Electricity

04

B

325/19

H04B 1/40 (2006.01) H04B 7/26 (2006.01)

Patent

CA 1150360

ABSTRACT OF THE DISCLOSURE A radio system for communications transmission between transmitting/receiving stations moving along prescribed routes and stationary transmitting/receiving stations arranged along these routes at prescribed intervals and effective in both route directions, provides that the stationary stations of one route are connected by way of cable to a central transmitting/receiving station. A carrier signal generator is connected to that end of the cable which is farthest from the central transmitting/receiving station and an amplitude modulator is connected parallel at the locations along the cable provided for the input of signals and formed by the stationary transmitting/receiving stations, and are respectively connected by way of a transformer having a high transmission ratio. A demodulator having a threshold value circuit is inserted in the central transmitting/receiving station at the end of the cable. The radio system is of particular advantage in railway radio.

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