Boots – shoes – and leggings
Patent
1987-07-02
1989-08-29
MacDonald, Allen
Boots, shoes, and leggings
G05B 1918
Patent
active
048623792
ABSTRACT:
This invention is a numerical control machine having information input/output units for working data and for control data, a single control unit including a CPU, arithmetic unit, and a plurality of memory areas which may include program areas and data areas, and a driving unit including a plurality of independently operable drive system, which may be divided by system control means into a plurality of arbitrary groups corresponding to a plurality of independently executable control programs so that each group may be independently controlled by a separate program, wherein the entire numerical control apparatus acts as a plurality of control processing systems so that each operable system may be independently controlled by an independent program or a group of systems may be controlled by the same program.
REFERENCES:
patent: 3573738 (1971-04-01), Bottles et al.
patent: 3626385 (1971-12-01), Bouman
patent: 4092720 (1978-05-01), Carey
patent: 4348623 (1982-09-01), Kobayashi et al.
patent: 4700313 (1987-10-01), Takagawa
MacDonald Allen
Mitsubishi Denki & Kabushiki Kaisha
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