DEVICE FOR RECEIVING START-STOP MESSAGES Russian patent published in 2007 - IPC H04L25/38 

FIELD: communications, possible use in radio lines, in wire, radio relay and meteor communication lines.

SUBSTANCE: device contains receiver, amplitude detector, threshold blocks, three impulse generators, three binary counters, clock impulse generator, frequency divider, multiplexer, distribution counter, two D-triggers, end block, logical elements, two keys, two peak detectors, three triggers, digital comparator, attenuator, shift register, comparator, low frequency filter.

EFFECT: increased resistance of communications to interference.

2 dwg