Self-correcting answer machine

Details Self-correcting answer machine Self-correcting answer machine

1975-08-06

1977-03-15

Grieb, William H.

G09B 702

Patent

active

040116646

ABSTRACT:
A self-correcting answering machine is provided in which the user is presented with a series of questions having true or false answers. When the user indicates his choice, a right or wrong indication is provided so as to notify the user as to the correctness of his answer.

REFERENCES:
patent: 2507215 (1950-05-01), Miltenberg et al.
patent: 3298115 (1967-01-01), Dunn, Jr.
patent: 3696525 (1972-10-01), Cleary

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