DEVICE FOR AUTOMATIC SEARCH OF RADIO COMMUNICATION CHANNELS Russian patent published in 1994 - IPC

FIELD: radio communication. SUBSTANCE: device for automatic search of radio communication channels has unit 1 for control over tuning frequency of receiver, receiver 2, integrator 3, threshold unit 4, logger 5, unit 6 of time counters, demodulator 7, decoder 8, first counter 9, first OR gate 10, second OR gate 11, third OR gate 12, fifth OR gate 13, fourth OR gate 14, first AND gate 15, first delay unit 16, TRIGGERING input 17 of device, input 18 of signal of tuning frequency of receiver, input 19 of signal of setting of measurement mode of noise level, input 20 of signal of setting of operational mode of device, analog-to-digital converter 21, fourth storage 22, first storage 23, third storage 25, flip-flop 26, second delay unit 28, first key 29, third key 30, fourth key 31, second key 32, comparator 33, fourth AND gate 34, third delay unit 36, second counter 37, second AND gate 35, third delay 36, second counter 37, second ND gate 38, input 39 of signal of selected channel number of device, output 40 of signal of noise level value of device. EFFECT: enhanced authenticity of selection of radio communication channel with minimal level of noise. 1 dwg