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.