Resources Contact Us Home
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










 
 
  Recently Added Patents
Electro-optical device, method of manufacturing the same, and electronic apparatus
Display screen with an animated graphical user interface
System and method for content delivery
Pull through coronary sinus pacing lead
(4943
Trimming circuit and semiconductor device
Sound producing apparatus for vehicle
  Randomly Featured Patents
Measurement of impurity concentration in liquids
Transport device for pull-type swathers and the like
Sealing structure of opening section in vehicle
Eyewear
Method for preventing activated sludge from losing its settling ability
Apple Tree: "Sali variety"
Golf putter
Planar connector
Layered electronic circuit device
Fuel cell system and start-up control method therefor