Boots – shoes – and leggings
Patent
1982-05-04
1984-05-15
Gruber, Felix D.
Boots, shoes, and leggings
364136, 364521, G06F 1546, G06F 900
Patent
active
044491808
ABSTRACT:
A sequence program inputting device in a programmable sequence controller includes a separate producing circuit for producing a ladder diagram to be displayed on a display screen and a separate converting circuit for converting the ladder diagram to a machine instruction sequence of the programmable sequence controller to enable independent operations of those circuits.
REFERENCES:
patent: 3686639 (1972-08-01), Fletcher et al.
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patent: 4149235 (1979-04-01), Froyd et al.
patent: 4200914 (1980-04-01), Kintner
patent: 4217658 (1980-08-01), Henry et al.
patent: 4227247 (1980-10-01), Kintner
patent: 4244034 (1981-01-01), Cherba
Furuta et al., Computer Aided Design of Sequence Control Logic, National Technical Report vol. 24, No. 6, Dec. 1978, pp. 1057-1065.
Ohshima Yoshimitsu
Ohzeki Masayoshi
Yokozawa Norio
Gruber Felix D.
Hitachi , Ltd.
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