US PATENT SUBCLASS 313 / 461
.~ Screen

Current as of: June, 1999
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313 /   HD   ELECTRIC LAMP AND DISCHARGE DEVICES

364  DF  CATHODE RAY TUBE {11}
461.~ Screen {10}
462  DF  .~.~> Scale or graticule
463  DF  .~.~> Electroluminescent
464  DF  .~.~> Incandescent type
465  DF  .~.~> Light valve type
466  DF  .~.~> Nonluminescent layer
467  DF  .~.~> Phosphor composition {2}
470  DF  .~.~> Mosaic {2}
473  DF  .~.~> Plural layer type
474  DF  .~.~> With optics {1}
476  DF  .~.~> Support

DEFINITION

Classification: 313/461

(under subclass 364) Subject matter including means for converting the energy of a cathode ray into light or for modulating light in accordance with the ray energy.

SEE OR SEARCH THIS CLASS, SUBCLASS:

483+, for noncathode ray devices including a luminescent solid or liquid material.

SEE OR SEARCH CLASS

250, Radiant Energy,

483.1+, for luminescent devices responsive to invisible radiation. 348, Television,

744+, for television projection devices that may utilize a cathode-ray beam to modulate light.