359 / | HD | OPTICS: SYSTEMS (INCLUDING COMMUNICATION) AND ELEMENTS |
618 | DF | SINGLE CHANNEL SIMULTANEOUSLY TO OR FROM PLURAL CHANNELS (E.G., LIGHT DIVIDING, COMBINING, OR PLURAL IMAGE FORMING, ETC.) {3} |
619 | .~ By surface composed of lenticular elements {6} | |
620 | DF | .~.~> Having particular composition |
621 | DF | .~.~> Plural lenticular plates {1} |
625 | DF | .~.~> Focusing or defocusing by noncurved surfaces (e.g., prismatic, etc.) |
626 | DF | .~.~> Particular focusing or defocusing characteristic |
627 | DF | .~.~> Reflective |
628 | DF | .~.~> Noncircular cross section |