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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*LF\:\s+Reinventing\s+Wheels\.\s+Wireless\s+Power\s+Transmission\s+\-\s+again\.\s*$/: 10 ]

Total 10 documents matching your query.

1. Re: LF: Reinventing Wheels. Wireless Power Transmission - again. (score: 1)
Author: Alberto di Bene <[email protected]>
Date: Sat, 09 Jun 2007 17:13:23 +0200
Making a 60W light bulb glow from a distance of 2m does not impress me. If the distance were a kilometer, then it could be really considered a breakthrough, IMHO. One of my mentors (G3ERN SK) used t
/rsgb_lf_group-archives/html/rsgb_lf_group/2007-06/msg00312.html (11,372 bytes)

2. Re: LF: Reinventing Wheels. Wireless Power Transmission - again. (score: 1)
Author: "John RABSON" <[email protected]>
Date: Sat, 09 Jun 2007 09:13:17 +0200
One of my mentors (G3ERN SK) used to light an eight-foot fluorescent tube by touching it to the top of his 160m mobile whip. He then walked around the yard and the tube stayed lit. John F5VLF/G3PAI
/rsgb_lf_group-archives/html/rsgb_lf_group/2007-06/msg00313.html (10,354 bytes)

3. Re: LF: Reinventing Wheels. Wireless Power Transmission - again. (score: 1)
Author: "Alan Melia" <[email protected]>
Date: Fri, 8 Jun 2007 23:12:43 +0100
Hi all, yes I guess there is a136 element to this too, looking at the drawings on the web it would seem they are using toroidal antennas.....I wonder if the have a licence from Boffin...Prof Roger Je
/rsgb_lf_group-archives/html/rsgb_lf_group/2007-06/msg00314.html (11,074 bytes)

4. Re: LF: Reinventing Wheels. Wireless Power Transmission - again. (score: 1)
Author: Marco IK1ODO <[email protected]>
Date: Fri, 08 Jun 2007 21:10:58 +0200
Give them time. They've just "discovered" loops. Quads may take a while... John Andrews Yeah, giv 'em time... :-) it's also on Physicsweb http://physicsweb.org/articles/news/11/6/5/1 "The researchers
/rsgb_lf_group-archives/html/rsgb_lf_group/2007-06/msg00315.html (10,901 bytes)

5. Re: LF: Reinventing Wheels. Wireless Power Transmission - again. (score: 1)
Author: John Andrews <[email protected]>
Date: Fri, 08 Jun 2007 13:57:01 -0400
Alberto, Give them time. They've just "discovered" loops. Quads may take a while... John Andrews
/rsgb_lf_group-archives/html/rsgb_lf_group/2007-06/msg00316.html (10,500 bytes)

6. Re: LF: Reinventing Wheels. Wireless Power Transmission - again. (score: 1)
Author: Alberto di Bene <[email protected]>
Date: Fri, 08 Jun 2007 19:40:48 +0200
Making a 60W light bulb glow from a distance of 2m does not impress me. If the distance were a kilometer, then it could be really considered a breakthrough, IMHO. 73 Alberto I2PHD -- They clain to ha
/rsgb_lf_group-archives/html/rsgb_lf_group/2007-06/msg00317.html (10,842 bytes)

7. Re: LF: Reinventing Wheels. Wireless Power Transmission - again. (score: 1)
Author: [email protected]
Date: Fri, 8 Jun 2007 10:04:11 EDT
In a message dated 08/06/2007 14:55:30 GMT Daylight Time, [email protected] writes: Now, I couldn't we use that effect in amateur radio somehow! -- Naaaaaa It'd never catch on:-)
/rsgb_lf_group-archives/html/rsgb_lf_group/2007-06/msg00318.html (9,862 bytes)

8. Re: LF: Reinventing Wheels. Wireless Power Transmission - again. (score: 1)
Author: "Mike Dennison" <[email protected]>
Date: Fri, 08 Jun 2007 14:51:58 +0100
The bit I liked was: << The system exploits "resonance", a phenomenon that causes an object to vibrate when energy of a certain frequency is applied. When two objects have the same resonance they exc
/rsgb_lf_group-archives/html/rsgb_lf_group/2007-06/msg00319.html (10,514 bytes)

9. Re: LF: Reinventing Wheels. Wireless Power Transmission - again. (score: 1)
Author: "Dave Sergeant" <[email protected]>
Date: Fri, 08 Jun 2007 12:25:56 +0100
By coincidence there is an article in this month's Engineering & Technology, the magazine of the IET, which discusses these 'power wireless' techniques, it dropped through the letter box this morning
/rsgb_lf_group-archives/html/rsgb_lf_group/2007-06/msg00320.html (11,790 bytes)

10. LF: Reinventing Wheels. Wireless Power Transmission - again. (score: 1)
Author: "Andy Talbot" <[email protected]>
Date: Fri, 8 Jun 2007 11:49:47 +0100
http://news.bbc.co.uk/1/hi/technology/6725955.stm They clain to have acheived 40% efficiency - that doesn't seem very good. Andy G4JNT
/rsgb_lf_group-archives/html/rsgb_lf_group/2007-06/msg00321.html (10,869 bytes)


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