US PATENT SUBCLASS 434 / 358
.~.~ Light detector sensing response


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

322  DF  QUESTION OR PROBLEM ELICITING RESPONSE {8}
353  DF  .~ Grading of response form {5}
358.~.~ Light detector sensing response


DEFINITION

Classification: 434/358

Light detector sensing response:

(under subclass 353) Subject matter wherein the examinee's response is detected by light sensitive means (e.g.., a photocell, etc.)

SEE OR SEARCH THIS CLASS, SUBCLASS:

355, for similar devices which include a standard answer form.