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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Held; Gedaliahu
Address:
Manhattan Beach, CA
No. of patents:
1
Patents:












Patent Number Title Of Patent Date Issued
3993989 ELF communications system using HVDC transmission line as antenna November 23, 1976
An extremely low frequency (ELF) Communication System is disclosed for worldwide communication from land to receiving stations thousands of miles away using the existing DC power transmission lines of the Pacific Intertie power transmission system as the antenna. An ELF communication










 
 
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