Boots – shoes – and leggings
Patent
1991-06-26
1994-09-27
Ramirez, Ellis B.
Boots, shoes, and leggings
364500, G06F 1520
Patent
active
053511999
ABSTRACT:
The Electronic Programmable Water Treatment Controller provides an integrated initiator and sequencer for controlling regeneration of water softening and filtering systems. The controller or associated external device(s) initiates the regeneration sequence or, in the alternative, an alarm based on a programmable prediction time, total volume through the water treatment device or combinations of the foregoing. The sequence of regeneration is controlled in response to selected parameters programmable by the user for valve actuation and timing. Multiple water treatment systems may be controlled in alternating, parallel, or progressive control schemes through communication between controllers, attached to each system, which employ the present invention.
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Miyajima et al.; "A Knowledge-Based Water Purification Control System"; IEEE Int. Workshop on AI for Industrial Applications 1988.
Colburn Robert W.
Ticcioni James E.
Brun Corporation
Ramirez Ellis B.
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