Manually- or mechanically-operated teaching appliances working with questions and answers

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:: PHYSICS
Class:: EDUCATING; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
Subclass:: EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS

CHARTS for educational purposes

2 direct subcodes

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G09B 3/02 of the type wherein the student is expected to construct an answer to the question which is presented or wherein the machine gives an answer to the question presented by the student
G09B 3/06 of the multiple-choice answer type, i.e. where a given question is provided with a series of answers and a choice has to be made