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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Dalman; John C.
Address:
Brea, CA
No. of patents:
2
Patents:












Patent Number Title Of Patent Date Issued
7619322 Two-wire power and communications for irrigation systems November 17, 2009
A large number of irrigation system devices connected to a common two-wire cable can be powered and individually controlled from a central location by transmitting over the cable DC pulses of alternating polarity. Control information is conveyed by transmitting a command pulse train cons
7358626 Two-wire power and communications for irrigation systems April 15, 2008
A large number of irrigation system devices connected to a common two-wire cable can be powered and individually controlled from a central location by transmitting over the cable DC pulses of alternating polarity. Control information is conveyed by transmitting a command pulse train cons










 
 
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