US PATENT SUBCLASS 345 / 7
IMAGE SUPERPOSITION BY OPTICAL MEANS (E.G., HEADS-UP DISPLAY)

Current as of: June, 1999
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345 /   HD   COMPUTER GRAPHICS PROCESSING, OPERATOR INTERFACE PROCESSING, AND SELECTIVE VISUAL DISPLAY SYSTEMS

7IMAGE SUPERPOSITION BY OPTICAL MEANS (E.G., HEADS-UP DISPLAY) {2}
8  DF  .~> Operator body-mounted heads-up display (e.g., helmet mounted display)
9  DF  .~> Plural image superposition

DEFINITION

Classification: 345/7

IMAGE SUPERPOSITION BY OPTICAL MEANS (E.G., HEADS-UP DISPLAY):

(under the class definition) Subject matter wherein a single visual image* from a display device* is superimposed with an external world scene by some light-affecting means.

SEE OR SEARCH CLASS

340, Communication: Electrical,

901+, for external condition vehicle-mounted indicators.

359, Optics: Systems (Including Communication) and Elements,

630+, for specific optical components of heads-up arrangement.