US PATENT SUBCLASS 369 / 118
.~.~ With detail, configuration, or adjunct of element having slit or aperture in radiation path

Current as of: June, 1999
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369 /   HD   DYNAMIC INFORMATION STORAGE OR RETRIEVAL

99  DF  SPECIFIC DETAIL OF INFORMATION HANDLING PORTION OF SYSTEM {4}
100  DF  .~ Radiation beam modification of or by storage medium {20}
118.~.~ With detail, configuration, or adjunct of element having slit or aperture in radiation path {1}
119  DF  .~.~.~> With movement of optical beam (e.g., galvanometer)

DEFINITION

Classification: 369/118

With detail, configuration, or adjunct of element having slit or aperture in radiation path:

(under subclass 100) Subject matter having the structure, shape, or cooperating device of an element blocking all but a limited area of the radiant energy beam.