OPTICAL PHASIFICATION APPARATUS Russian patent published in 2011 - IPC G06E3/00 

FIELD: physics.

SUBSTANCE: optical phasification apparatus has a source of coherent radition, an optical Y-splitter, a first n-output splitter, a first linear transparency filter, a second linear transparency filter, an optical phase modulator, a group of Y-couplers, a second n-output splitter, a minimum signal selector, a square-root extractor and a subtractor.

EFFECT: high-speed operation and possibility of combined multiplication of arbitrary membership functions and operations for determining their maxima.