ERROR CORRECTING DEVICE WITH EXTENDED SET OF DECISION RULES AND WITH CONSIDERATION OF ADAPTIVE ERASURE SIGNAL Russian patent published in 2007 - IPC H04M13/00 

FIELD: electric communications, possible use in information transfer systems for correcting errors during multiple repeat of message.

SUBSTANCE: device features interference analyzer comprising amplifier, threshold block, switch, adder and subtracter, output of first amplifier being connected directly to first input of subtracter, first direct input of adder and through threshold block to control input of switch, output of second amplifier is connected to information input of switch, first and second outputs of which are respectively connected to second direct and inverse inputs of adder, output of adder is connected to second input of subtracter, output of which is connected to control input of first amplifier and to second input of quality detector, first input of which is combined with information inputs of first and second amplifiers of interference analyzer and with information inputs of the device.

EFFECT: increased interference resistance.

6 dwg, 2 tbl