Registers – Calculators – Tabular
Patent
1988-10-19
1990-04-17
Fuller, B. R.
Registers
Calculators
Tabular
235 78R, G06C 300
Patent
active
049184121
ABSTRACT:
A device for assisting a computer operator in the use of computer programs includes relatively movable cards bearing data areas thereon arranged in such a way that the operator can, firstly, by visual inspection, readily locate the desired operation to be performed by the program and, secondly, by moving the cards relative to one another, obtain, for that desired operation, information regarding the command to be entered into the computer.
REFERENCES:
patent: 896002 (1908-08-01), Free
patent: 1453100 (1923-04-01), Fulgora
patent: 2042615 (1936-06-01), Maxson
patent: 2834123 (1958-05-01), Knight
patent: 3572584 (1971-03-01), Weaver
patent: 4181090 (1980-01-01), Calise
patent: 4323609 (1982-04-01), Boonberg
Fuller B. R.
Wheel Ease Reference Corporation
LandOfFree
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