IPC Subgroup
G09B 7/077 different stations being capable of presenting different questions simultaneously
Introduced: July 1974
Last revised: January 2006
Full Title
Electrically-operated teaching apparatus or devices working with questions and answers > 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 from the answers > providing for individual presentation of questions to a plurality of student stations > different stations being capable of presenting different questions simultaneously
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