US PATENT SUBCLASS 434 / 325
.~.~ And light detector

Current as of: June, 1999
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434 /   HD   EDUCATION AND DEMONSTRATION

322  DF  QUESTION OR PROBLEM ELICITING RESPONSE {8}
324  DF  .~ Image projector included in examining means {1}
325.~.~ And light detector

DEFINITION

Classification: 434/325

And light detector:

(under subclass 324) Subject matter wherein the examining means includes a light sensing means (e.g.., photocell, etc.).

SEE OR SEARCH THIS CLASS, SUBCLASS:

337, for light detectors in examining means which do not have an image projector included therein.