.~ 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.