Self teaching machine

Claim 2

A teaching device comprising in combination: A. a recording means having a plurality of questions recorded thereon; B. an answer sheet having a plurality of answers thereon with correct answers having conductive areas associated therewith; C. recording advancing means connected to said recording means for advancing said recording means to another question upon receipt of an input; D. a normally open circuit probe means connected to said recording advancing means to provide an input to said advancing means upon completing the open circuit of said probe means with said conductive area, said probe means being comprised of: a. a hollow-cylinder body which is formed to receive a student''s finger; b. a plurality of conductive areas, each separated by insulating areas; c. first conductive means connecting each alternate conductive area; and d. second conductive means connecting each other alternate conductive area, said first and second conductive means connected to said recording advancing means to provide said input; and E. an indexing means provided on said recording means after each question to stop said recording means until receipt of an input from said probe means.

Claim 3

The invention according to claim 1 wherein said plurality of conductive areas comprIse: A. two interwound spirals of conductive material separated from each other by a spiral of insulating material; B. first conductive means connected to one conductive spiral; and C. second conductive means connected to the other of said conductive spirals, said first and second conductive means connected to said recording advancing means to provide an input when a conductive area contacts said first and second conductive spiral.

Claim 4

The invention according to claim 1 wherein said conductive areas on said answer sheet are formed with conductive inks.

Claim 5

The invention according to claim 1 wherein said conductive areas on said answer sheet are formed with conductive foil.

Claim 6

A self teaching machine comprising in combination: A. means for recording and presenting a sequence of problems one at a time; B. means for advancing said recording and presenting means to another problem in the sequence in response to a signal; C. means for displaying a plurality of different answers for each problem in the sequence of problems with at least one of said plurality of answers being correct, said correct answers being electrically conductive; and wherein each of said different answers has associated therewith visually identical areas, with the areas associated with correct answers being electrically conductive, said means for displaying being at least one sheet of paper with said plurality of answers printed thereon with ink and with said correct answers being printed with conductive ink; and D. probe means having at least two electrically conductive exposed areas associated therewith for providing a signal to said means for advancing when said conductive areas make contact with said correct answer, wherein said probe means is comprised of a plurality of parallel conductors, each insulated from each other, with every other conductor connected to each other, and with the remaining conductors connected to each other so as to provide a signal when any two adjacent conductors are electrically connected together by a conductive correct answer area, and wherein said parallel conductors are wound in the shape of a spiral.

Claim 7

A self teaching machine comprising in combination: A. means for recording and presenting a sequence of problems one at a time; B. means for advancing said recording and presenting means to another problem in the sequence in response to a signal; C. means for displaying a plurality of different answers for each problem in the sequence of problems with at least one of said plurality of answers being correct, said correct answers being electrically conductive; and wherein each of said different answers has associated therewith visually identical areas, with the areas associated with correct answers being electrically conductive, said means for displaying being at least one sheet of paper with said plurality of answers printed thereon with ink and with said correct answers being printed with conductive ink; and D. probe means having at least two electrically conductive exposed areas associated therewith for providing a signal to said means for advancing when said conductive areas make contact with said correct answer, wherein said probe means is comprised of a plurality of parallel conductors, each insulated from each other, with every other conductor connected to each other, and with the remaining conductors connected to each other so as to provide a signal when any two adjacent conductors are electrically connected together by a conductive correct answer area, and wherein said parallel conductors are wound in the shape of a spiral.

Claim 8

A self teaching machine comprising in combination: A. means for recording and presenting a sequence of problems one at a time; B. means for advancing said recording and presenting means to another problem in the sequence in response to a signal; C. means for displaying a plurality of different answers for each problem in the sequence of problems with at least one of said plurality of answers being correct, said correct answers being electrically conductive; and wherein each of said different answers has associated therewith visually identical areas, with the areas associated with correct answers being electrically conductive, said means for displaying being at least one sheet of paper with said plurality of answers printed thereon with ink and with said correct answers being printed with conductive ink; and D. probe means having at least two electrically conductive exposed areas associated therewith for providing a signal to said means for advancing when said conductive areas make contact with said correct answer, wherein said probe means is comprised of a plurality of parallel conductors, each insulated from each other, with every other conductor connected to each other, and with the remaining conductors connected to each other so as to provide a signal when any two adjacent conductors are electrically connected together by a conductive correct answer area, and wherein said parallel conductors are wound in the shape of a toroid.

Claim 9

A self teaching machine comprising in combination: A. means for recording and presenting a sequence of problems one at a time; B. means for advancing said recording and presenting means to another problem in the sequence in response to a signal; C. means for displaying a plurality of different answers for each problem in the sequence of problems with at least one of said plurality of answers being correct, said correct answers being electrically conductive; and wherein each of said different answers has associated therewith visually identical areas, with the areas associated with correct answers being electrically conductive, said means for displaying being at least one sheet of paper with said plurality of answers printed thereon with ink and with said correct answers being printed with conductive ink; and D. probe means having at least two electrically conductive exposed areas associated therewith for providing a signal to said means for advancing when said conductive areas make contact with said correct answer, wherein said probe means is comprised of a plurality of parallel conductors, each insulated from each other, with every other conductor connected to each other, and with the remaining conductors connected to each other so as to provide a signal when any two adjacent conductors are electrically connected together by a conductive correct answer area, and wherein said parallel conductors are wound in the shape of a toroid.

Claim 10

A self teaching machine comprising in combination: A. means for recording and presenting a sequence of problems one at a time; B. means for advancing said recording and presenting means to another problem in the sequence in response to a signal; C. means for displaying a plurality of different answers for each problem in the sequence of Problems with at least one of said plurality of answers being correct, said correct answers being electrically conductive; and wherein each of said different answers has associated therewith visually identical areas, with the areas associated with correct answers being electrically conductive, said means for displaying being at least one sheet of paper with said plurality of answers printed thereon with ink and with said correct answers being printed with conductive ink; and D. probe means having at least two electrically conductive exposed areas associated therewith for providing a signal to said means for advancing when said conductive areas make contact with said correct answer, wherein said probe means is comprised of a plurality of parallel conductors, each insulated from each other, with every other conductor connected to each other, and with the remaining conductors connected to each other so as to provide a signal when any two adjacent conductors are electrically connected together by a conductive correct answer area, and wherein said parallel conductors are wound in the shape of a spiraling helix.

Claim 11

A self teaching machine comprising in combination: A. means for recording and presenting a sequence of problems one at a time; B. means for advancing said recording and presenting means to another problem in the sequence in response to a signal; C. means for displaying a plurality of different answers for each problem in the sequence of Problems with at least one of said plurality of answers being correct, said correct answers being electrically conductive; and wherein each of said different answers has associated therewith visually identical areas, with the areas associated with correct answers being electrically conductive, said means for displaying being at least one sheet of paper with said plurality of answers printed thereon with ink and with said correct answers being printed with conductive ink; and D. probe means having at least two electrically conductive exposed areas associated therewith for providing a signal to said means for advancing when said conductive areas make contact with said correct answer, wherein said probe means is comprised of a plurality of parallel conductors, each insulated from each other, with every other conductor connected to each other, and with the remaining conductors connected to each other so as to provide a signal when any two adjacent conductors are electrically connected together by a conductive correct answer area, and wherein said parallel conductors are wound in the shape of a spiraling helix.