Irrigation control system

Details Irrigation control system Irrigation control system

1979-02-05

1981-01-06

Ruggiero, Joseph F.

Boots, shoes, and leggings

1376242, 239 70, 364104, 364120, 364510, G01V 100

Patent

active

042440220

ABSTRACT:
A solid state control system for large-scale irrigation is disclosed. The system incorporates a central processing unit having a master clock and a central/syringe timing module system connected to a plurality of satellite controllers which are, in turn, connected to control irrigation solenoid valves. The satellites are operable on an individual basis from internal clocks and data or externally in response to multiplexed signals from the central processing unit generated by the comparison of the master clock to unique individually identified groups of data.

REFERENCES:
patent: 3599867 (1971-08-01), Griswold et al.
patent: 3723753 (1973-03-01), Davis
patent: 3819921 (1974-06-01), Kilby
patent: 3869854 (1975-03-01), Church
patent: 3903515 (1975-09-01), Haydon et al.
patent: 3975622 (1976-08-01), Horn et al.
patent: 4006464 (1977-02-01), Landell
patent: 4007458 (1977-02-01), Hollabaugh
patent: 4015366 (1977-04-01), Hall
patent: 4061927 (1977-12-01), Link
patent: 4101786 (1978-07-01), Ruggles et al.

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