US PATENT SUBCLASS 434 / 321
.~ Operation of apparatus controlled by listener's response to question or problem


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

319  DF  AUDIO RECORDING {2}
321.~ Operation of apparatus controlled by listener's response to question or problem


DEFINITION

Classification: 434/321

Operation of apparatus controlled by listener's response to question or problem:

(under subclass 319) Subject matter including means for receiving a listener's response (e.g.., an input key) and the quality of the response (e.g.., correct) causes the audio carrier to move to a new location to present new information.

SEE OR SEARCH THIS CLASS, SUBCLASS:

327+, for devices for visually presenting a question or problem for eliciting a response from an examinee, with no audio recording, and the correctness of the response causes a new question or problem to be presented.