US PATENT SUBCLASS 359 / 637
.~.~ With path length or aberration correcting element

Current as of: June, 1999
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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}
629  DF  .~ By partial reflection at beam splitting or combining surface {6}
637.~.~ With path length or aberration correcting element

DEFINITION

Classification: 359/637

With path length or aberration correcting element:

(under subclass 629) Subject matter which includes a device, circuit, or circuit component that corrects an undesirable condition which affects a light beam.