Electronic teaching apparatus having two-part partially and whol

Details Electronic teaching apparatus having two-part partially and whol Electronic teaching apparatus having two-part partially and whol

1990-10-30

1994-05-24

Apley, Richard J.

Education and demonstration

Question or problem eliciting response

Correctness of response indicated to examine by...

434322, G09B 700

Patent

active

053143400

ABSTRACT:
An electronic learning device (10) uses keys (12a-d) which self-generate an electric signals responsive to a key being pressed. One signal drives the CORRECT segments (18b) of a display (18) and the other signal selectively drive the IN segments (18a) responsive to switching circuitry (16). Cards (14) provide a query and a plurality of possible answers, each possible answer associated with one of the keys (12a-d). A correct answer is encoded on the card.

REFERENCES:
patent: 4051608 (1977-10-01), Duncan
patent: 4085523 (1978-04-01), Duncan
patent: 4303398 (1981-12-01), Yoseloff
patent: 4636977 (1987-01-01), Ikemoto et al.
patent: 4681548 (1987-07-01), Lemelson
patent: 4857887 (1989-08-01), Iten
patent: 4978302 (1990-12-01), Clossey
patent: 5122062 (1992-06-01), Cutler et al.

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