Self-correcting answer machine

Claim 1

A visual self-correcting answer machine in which questions are presented to a user and the user indicates whether the answer is TRUE or FALSE, there being provided means for indicating whether the user's answer is RIGHT or WRONG, said answer machine comprising a cabinet housing the components of said answer machine therewithin, a rotary dial plate mounted on said cabinet for receiving a circular question card containing questions printed thereon to be answered by the user, a question indicating area on said cabinet indicating the question to be answered, a pair of depressible switch means designating the choice of a TRUE or FALSE answer by the user, RIGHT and WRONG visual indications, electrical circuit means cooperatively keyed and connected to said rotary dial, to said pair of depressible switch means and to said visual indicators to indicate whether the user's answer of TRUE or FALSE was RIGHT or WRONG, wherein said rotary dial and said circular card comprises cooperating members enabling said card to be placed on said dial in only one spatial orientation wherein said electric circuit means comprises a rotary multiposition switch operated by said dial and having a plurality of positions corresponding to the number of questions on said card, said multiposition switch being wired to show whether an answer is TRUE or FALSE according to the position of said rotary multiposition switch, such that a plurality of different question cards can be used with said answer machine.