1
Romain Gagnon: Control system for the irrigation of watering stations. Smart Rain, Cushman Darby & Cushman IP Group of Pillsbury Madison & Sutro, April 14, 1998: US05740031 (94 worldwide citation)

An irrigation system for controlling a plurality of watering stations whereby each station is irrigated in accordance with the specific soil needs at that station; the system includes a plurality of irrigation controllers, one at each watering station, each controller including a power line transcei ...


2
Gagnon Romain: Control system for the irrigation of watering stations. Smart Rain, Gagnon Romain, DUBUC Jean, March 13, 1997: WO/1997/008942

An irrigation system for controlling a plurality of watering stations whereby each station is irrigated in accordance with the specific soil needs at that station; the system includes a plurality of irrigation controllers (10), one at each watering station, each controller (10) including a power lin ...


3
Gagnon Romain: Control system for the irrigation of watering stations. Smart Rain, July 15, 1998: EP0852459-A1

A sensor for measuring water content, salinity and texture of a soil or any other porous medium by measuring the permittivity and conductivity of the soil in the frequency domain. A microprocessor-controlled oscillator generates a high frequency sinusoidal signal that is injected in a probe buried i ...