FIELD: railway transport. SUBSTANCE: facility has device for receiving input signals on state of pickups, device for generating coded information on state of object under checking, device for generating output signal carrier frequency and device for shaping output signal. Output signal carrier frequency generator has frequency synchronizer which generates reference frequency and frequency synthesizer which forms carrier frequency. Coded information consists of successively time-determined cycles characterizing state of objects under checking. Duration of each cycle is multiple of basic time of constant value formed by frequency synthesizer and supplied to coded information signal shaper. EFFECT: possibility of checking state of remote object simultaneously by unlimited number of parameters, provision of observation of several objects simultaneously, and provision of information on state of complex object as a whole. 11 cl, 2 dwg
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