Boots – shoes – and leggings
Patent
1979-05-08
1981-02-24
Springborn, Harvey E.
Boots, shoes, and leggings
G06F 936, G06F 946, G06F 1516, G06F 1546
Patent
active
042531489
ABSTRACT:
An industrial control system in accordance with the present invention is provided with a plurality of diverse controlled devices (e.g., fans, pumps, valves, solenoids, relays, etc.) for effecting overall system control. Each device has a unique set of logic control functions and/or command sequences and is connected, through an input/output interface, to a stored-program single board computer that provides device control and monitoring. The computers each include a central processor controlled by a composite or "master" program which is common to all the computers and which includes instruction sequences for all logic control functions and command sequences that exist within the system. A user alterable interconnection device (UAID) permits only those logic control function and/or command sequence portions of the master program that relate to a particular one of the controlled devices to operatively connect with the particular input/output ports associated with that controlled device. As the master program successively loops, only those logic control functions and/or command sequences that relate to the particular controlled device, as determined by the user alterable interconnection device, are operative to address the input-output ports associated with the controlled device and thereby effect device control and monitoring. The invention permits simple and efficient dedication of a plurality of single board computers having only one master program to an equal member of diverse controlled devices without the drawbacks normally associated with dedicated stored-program controllers.
REFERENCES:
patent: 3496551 (1970-02-01), Driscoll et al.
patent: 3665487 (1972-05-01), Campbell et al.
patent: 4110823 (1978-08-01), Cronshaw et al.
patent: 4124889 (1978-11-01), Kaufman et al.
patent: 4142232 (1979-02-01), Harvey
patent: 4161027 (1979-07-01), Russell
patent: 4177514 (1979-12-01), Rupp
Ewing Donald L.
Grisham, Jr. James S.
Johnson William D.
Forney Engineering Company
Herguth, Jr. John J.
Naigur Marvin A.
Springborn Harvey E.
Wilson John E.
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