US PATENT SUBCLASS 340 / 815.75
.~.~ Light source modifier

Current as of: June, 1999
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340 /   HD   COMMUNICATIONS: ELECTRICAL

815.4  DF  VISUAL INDICATION {18}
815.73  DF  .~ With lamp enclosed in transparent housing {3}
815.75.~.~ Light source modifier {1}
815.76  DF  .~.~.~> Lens type

DEFINITION

Classification: 340/815.75

Light source modifier:

(under subclass 815.73) Subject matter having means to control the duration or intensity or direction of the light emanating from the lamp.

SEE OR SEARCH CLASS

345, Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems,

147, for intensity control in generic selective electrical display systems.