US PATENT SUBCLASS 349 / 5
.~ Projector including liquid crystal cell (s)

Current as of: June, 1999
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349 /   HD   LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS

1  DF  LIQUID CRYSTAL SYSTEM {9}
5.~ Projector including liquid crystal cell (s) {3}
6  DF  .~.~> Overhead projector
7  DF  .~.~> Video/motion picture projector
8  DF  .~.~> Plural light path projectors {2}

DEFINITION

Classification: 349/5

Projector including liquid crystal cell(s):

(under subclass 1) Subject matter wherein one or more liquid crystal cells modulate light for producing an image on a screen by a lens system.

(1) Note. Excluded from this subclass are projectors with no liquid crystal cell or projectors including a liquid crystal cell with no detail of the liquid crystal material, its function, or the liquid crystal cell structure. For such excluded subject matter, see SEARCH CLASS below:

SEE OR SEARCH CLASS

353, Optics: Image Projectors, appropriate subclasses for projectors in general.