Key-input apparatus or CAI system

Details Key-input apparatus or CAI system Key-input apparatus or CAI system

1989-06-30

1991-04-30

Coven, Edward M.

Education and demonstration

Means for demonstrating apparatus, product, or surface...

Display panel, chart, or graph

434118, 434336, 434430, G09B 500, G09B 707, G06F 1520

Patent

active

050114140

ABSTRACT:
A large number of keys arranged in a matrix are provided on the keyboard (KB) of a host computer. Of these keys, keys (K10, . . . , K15, . . . ), located at positions corresponding to Learning terminals in a classroom, are assigned to the respective learning terminals.

REFERENCES:
patent: 2984016 (1961-05-01), Nagle
patent: 4004354 (1977-01-01), Yamauchi
patent: 4359222 (1982-11-01), Smith, III et al.
patent: 4715818 (1987-12-01), Shapiro et al.
patent: 4737110 (1988-04-01), Masuda
patent: 4764120 (1988-08-01), Griffin et al.

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