FIELD: information reading. SUBSTANCE: method of information reading from distant code pickup provides for diminished average value of radiation power of tens of decibels because of pulse radiation in absence of pickup in radiation zone and due to continuous radiation in its presence. Device for realization of method incorporates SHF generator, directional coupler, modulator, SHF power amplifier, circulator, receiving-transmitting antenna, mixer, low-pass filter, coupler, decoder, unit controlling pulse generator. Code pickup is positioned in front of antenna. EFFECT: enhanced operational reliability of device for realization of method. 5 dwg
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Authors
Dates
1996-10-20—Published
1993-12-29—Filed