Teaching machine card

Details Teaching machine card Teaching machine card

1975-12-16

1976-08-31

Pinkham, Richard C.

Registers

Coded record sensors

Particular sensor structure

235 616E, 235 6112R, G09B 700

Patent

active

039770923

ABSTRACT:
A teaching machine utilizes a card having recorded on it visually readable statements of problems and corresponding machine readable answers. The teaching machine displays the answers to the problem on the card positioned for solution only if the student first enters the correct answer on the keyboard. The teaching machine also includes an interrogating device for counting the number of attempted solutions and the number of correct answers by the student, along with a device to display the contents of the counting device on the display.

REFERENCES:
patent: 2789370 (1957-04-01), Studebaker et al.
patent: 2798669 (1957-07-01), Hale
patent: 3151403 (1964-10-01), Sinex
patent: 3373265 (1968-03-01), Smitzer
patent: 3374559 (1968-03-01), Smith, Jr.
patent: 3541699 (1970-11-01), Baker, Jr.
patent: 3609880 (1971-10-01), Arbon
patent: 3729836 (1973-05-01), Mayeda
patent: 3912909 (1975-10-01), Harrison

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