US PATENT SUBCLASS 250 / 557
.~.~.~ With means to position, direct, or detect record

Current as of: June, 1999
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250 /   HD   RADIANT ENERGY

200  DF  PHOTOCELLS; CIRCUITS AND APPARATUS {11}
206  DF  .~ Photocell controlled circuit {9}
555  DF  .~.~ Including coded record {2}
557.~.~.~ With means to position, direct, or detect record

DEFINITION

Classification: 250/557

(under subclass 555) Subject matter having means for adjusting, centering, aligning, arranging or sorting the record; or means to detect the presence of the record, per se.