US PATENT SUBCLASS 348 / 744
.~ Projection device

Current as of: June, 1999
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348 /   HD   TELEVISION

739  DF  VIDEO DISPLAY {13}
744.~ Projection device {7}
745  DF  .~.~> With alignment, registration or focus {2}
748  DF  .~.~> With cooling device {1}
750  DF  .~.~> Plural parallel light modulators {5}
758  DF  .~.~> Plural serial light modulators
759  DF  .~.~> Single light modulator {5}
776  DF  .~.~> Cathode-ray tube image source {4}
789  DF  .~.~> Cabinet or chassis

DEFINITION

Classification: 348/744

Projection device:

(under subclass 739) Subject matter including a viewing surface (e.g., screen or wall) which receives light from a light source type display (e.g., CRT or LED), or including an electro-optical device which imparts image information based on a video signal to a beam of source illumination wherein the resulting image is coextensively projected onto a screen.