US PATENT SUBCLASS 348 / 199
.~ Moving aperture

Current as of: June, 1999
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195  DF  MECHANICAL OPTICAL SCANNING {6}
199.~ Moving aperture {2}
200  DF  .~.~> Drum or belt
201  DF  .~.~> Multiple scanning elements

DEFINITION

Classification: 348/199

Moving aperture:

(under subclass 195) Subject matter wherein the scanning is accomplished by a moving device which has one or multiple openings that will pass light, electrons, or other forms of radiation (e.g., Nipkow disk).