Irrigation control box of simplified usage with preset programs

Details Irrigation control box of simplified usage with preset programs Irrigation control box of simplified usage with preset programs

1996-06-07

1998-10-27

Lee, Kevin

Fluid handling

Systems

Programmer or timer

239 69, G06F 1546

Patent

active

058266194

ABSTRACT:
An irrigation control box comprises an electronic control unit that controls opening and closing of a solenoid valve that intercepts a flow of irrigation liquid. The electronic control unit comprising means for memorizing a plurality of predefined distinct irrigation programs. The control box comprises a rotary switch that can be positioned in a plurality of distinct angular positions, at least equal to the number of said irrigation programs, to determine the selective activation of one of the irrigation programs by the electronic control unit, each irrigation program being associated with a respective angular position of the rotary switch.

REFERENCES:
patent: 4190884 (1980-02-01), Medina
patent: 4423484 (1983-12-01), Hamilton
patent: 4569020 (1986-02-01), Snoddy et al.
patent: 4797820 (1989-01-01), Wilson et al.

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