METHOD FOR AUTOMATIC CONTROL OF POSITION OF MOVABLE OBJECTS Russian patent published in 1994 - IPC

FIELD: instruments. SUBSTANCE: device has at least one code plate 1, information reading unit 2 having direction light source, scanning unit, light separator and two photodetectors. Processing unit 8 has bar code evaluation unit 9, cipher code recognition unit 10, correction unit 11, register 12, memory unit 13, interface unit 14, control unit 15 and unit for generation of signals about beginning and end of reading. EFFECT: increased functional capabilities. 2 dwg