OPTOELECTRONIC LOGICAL UNIT Russian patent published in 1995 - IPC

FIELD: computer engineering. SUBSTANCE: device provides possibility to solve all sixteen boolean functions by means of optical methods in different types of memory units. device has multichannel emitting unit which serves for input of first page of operands represented by light beams, first and second polarizing controlled transparency units which serve for indication of operands, first and second displacing units for inverting information which is represented by light beams, control unit and photodetector which serves for conversion of optical signals to electric ones. EFFECT: increased reliability and speed while keeping low cost of device, increased functional capabilities of memory units. 3 dwg