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Author Topic: Edison / Dolbear wireless grid (early 1900’s)  (Read 308 times)

Offline sm0ky2

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Edison / Dolbear wireless grid (early 1900’s)
« on: August 07, 2023, 04:51:39 PM »
https://patentimages.storage.googleapis.com/77/85/1a/e3d65f6999a85e/US350299.pdf




Above is one of Prof. A.E. Dolbear’s wireless energy transfer patents
This one was employed by Edison to form a wireless electricity grid
Large antennas would collect and convert the resonant carrier wave
then short, local wires went from the towers to the surrounding buildings


A single transmission station could provide power to several antennas within a 1-mile radius


Offline lancaIV

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Re: Edison / Dolbear wireless grid (early 1900’s)
« Reply #1 on: August 07, 2023, 07:38:26 PM »
https://patentimages.storage.googleapis.com/77/85/1a/e3d65f6999a85e/US350299.pdf




Above is one of Prof. A.E. Dolbear’s wireless energy transfer patents
This one was employed by Edison to form a wireless electricity grid
Large antennas would collect and convert the resonant carrier wave
then short, local wires went from the towers to the surrounding buildings


A single transmission station could provide power to several antennas within a 1-mile radius
Ups,conversion efficiency ?The losts : https://www.bafu.admin.ch/bafu/en/home/topics/electrosmog/in-brief.html