Control device for a hand-operated electric power tool

Details Control device for a hand-operated electric power tool Control device for a hand-operated electric power tool

1984-07-23

1987-01-13

Ruggiero, Joseph

Boots, shoes, and leggings

318305, 318490, 364174, 364188, G06F 1546, H02P 728

Patent

active

046369619

ABSTRACT:
An adjustment circuit for a hand-operated electric power tool includes a data input device for entering information concerning the kind of material to be treated and other information relevant to the operation of the tool. The selected binary coded address word is applied to addressing inputs of a read only memory storing control words for a controlling device for a motor of the tool. Part of the bits of a control word outputted from the ROM are applied to a display device which displays the desired or actual rotary speeds of the tool and/or other data selected by the input device.

REFERENCES:
patent: 4272821 (1981-06-01), Bradus
patent: 4317176 (1982-02-01), Saar et al.
patent: 4410846 (1983-10-01), Gerber et al.
patent: 4513381 (1985-04-01), Houser, Jr. et al.
patent: 4536688 (1985-08-01), Roger

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