Author Topic: The uBeam FAQ  (Read 358309 times)

0 Members and 1 Guest are viewing this topic.

Offline PaulReynolds

  • Regular Contributor
  • *
  • Posts: 156
  • Country: us
  • Country: us
Re: The uBeam FAQ
« Reply #1725 on: July 02, 2019, 03:15:35 am »
Just saw the latest EEVblog video.  At 13minutes in, Dave is saying the LED pattern doesn't follow the movement.  Couldn't this be attributed to the phased array's tracking error?  That is, it's changing where the array is pointing as the turret sweeps the room to keep power at the target.

Disclaimer: I've read no information on this thing or any of these posts, just was the first thought I had.

Could be several things. One of their arrays appears to have no steering capability at all, and only points forward, possibly doing some change of the focal depth but uncertain. It could also be that the tracking just wasn't keeping up with the sensors movement. Hard to say, but don't read too much into it, so many of the images and videos are cut and devices swapped around it's hard to keep track, which was possibly deliberate...
 

Offline EEVblog

  • Administrator
  • *****
  • Posts: 29422
  • Country: au
  • Country: au
    • EEVblog
Re: The uBeam FAQ
« Reply #1726 on: July 03, 2019, 05:34:20 am »
Just saw the latest EEVblog video.  At 13minutes in, Dave is saying the LED pattern doesn't follow the movement.  Couldn't this be attributed to the phased array's tracking error?  That is, it's changing where the array is pointing as the turret sweeps the room to keep power at the target.

No, that transmitter has no phased array tracking, they have another bigger model for that. This is mentioned and demonstrated in the other stage demonstration video.
 

Offline Poe

  • Regular Contributor
  • *
  • Posts: 208
Re: The uBeam FAQ
« Reply #1727 on: July 03, 2019, 01:13:34 pm »
...
No, that transmitter has no phased array tracking, they have another bigger model for that. This is mentioned and demonstrated in the other stage demonstration video.

Now I'm even more confused. 

If the emitter isn't tracking and just using phased array focusing, then the LED pattern should completely disappear as the turret moves away.  If they're not using phased array focusing, then their performance will be crap (exponentially more crap with distance) and what's the point of using an array of emitters if you're just going to blast out sound?
 

Offline StillTrying

  • Super Contributor
  • ***
  • Posts: 2065
  • Country: se
  • Country: se
  • Country: Broken Britain
Re: The uBeam FAQ
« Reply #1728 on: July 03, 2019, 04:02:37 pm »

If the emitter isn't tracking and just using phased array focusing, then the LED pattern should completely disappear as the turret moves away.

It looks like video and graphic clips are just pasted together into one video, I don't think that turret TX is lighting those LEDs.
They've just randomly stuck a battery charging graphic on anything that moves, or doesn't move. :horse:
CML+  That took much longer than I thought it would.
 

Offline PaulReynolds

  • Regular Contributor
  • *
  • Posts: 156
  • Country: us
  • Country: us
Re: The uBeam FAQ
« Reply #1729 on: July 06, 2019, 07:35:04 pm »
is been blasted by KW's of ultrasound all day dangerous?

The simplest answer is - nobody knows for sure, but there are enough data points to be concerned. It doesn't exist naturally, and there's not been any equipment over the last century that consistently outputs 140dB+ in the 40 to 100 kHz range without far worse effects in the audible range swamping it, or consistent studies to isolate that effect. There are studies that show we should be concerned both with long term effects, as well as more short term ones - long term hearing damage, sub harmonic generation, heating etc - but nothing definitively proven. It would also be unethical to run those experiments on people, so basically we're in the early stages of a mass experiment in this regard where the public are the test subjects. In a sane world, this wouldn't be allowed to be tested in this manner until proven safe, rather than the situation we have now which is "prove it's dangerous and then we'll stop", where those tests are illegal as well as unethical - an unattainable burden of proof

uBeam claim to have run lots of independent 3rd party tests that prove it's safe. Except they won't release those test results or say who the third parties are. I call bullshit on this. There's enough data out there that makes it very suspicious. That they keep claiming that "99% of energy bounces off the skin" is telling, as it's not the skin that's the problem, it's the hair on it that causes the problem (loss in hair causes heating, burns, and in small animals death at high enough levels).

I put together a list of information on this topic if you want to study further:

https://liesandstartuppr.blogspot.com/2019/01/ultrasound-in-air-safety-and-regulations.html

« Last Edit: July 07, 2019, 07:24:56 pm by PaulReynolds »
 
The following users thanked this post: edavid, helius

Offline AlanS

  • Supporter
  • ****
  • Posts: 36
  • Country: au
  • Country: au
 

Offline sdpkom

  • Regular Contributor
  • *
  • Posts: 68
  • Country: de
  • Country: de
Re: The uBeam FAQ
« Reply #1731 on: August 21, 2019, 01:01:17 pm »
Looks like Meredith Perry is no longer on board

https://www.linkedin.com/in/meredithellenperry/, board member till Aug

There is a new guy, "acting CFO" will kain instead
https://ubeam.com/company/

At least this guy admits he's on board, unlike a lot of the other names on this page, although it seems like the only full time guy there is the CEO (maybe).




 

Offline EEVblog

  • Administrator
  • *****
  • Posts: 29422
  • Country: au
  • Country: au
    • EEVblog
Re: The uBeam FAQ
« Reply #1732 on: August 21, 2019, 01:20:46 pm »
Looks like Meredith Perry is no longer on board
https://www.linkedin.com/in/meredithellenperry/, board member till Aug

Wow, it only seems like yesterday she was inviting me in for a visit and demo!

 

Offline StillTrying

  • Super Contributor
  • ***
  • Posts: 2065
  • Country: se
  • Country: se
  • Country: Broken Britain
Re: The uBeam FAQ
« Reply #1733 on: August 21, 2019, 01:30:36 pm »
https://ubeam.com/company/

That first photo must have been the moment they were all told "You're finished." :horse:
CML+  That took much longer than I thought it would.
 

Online Kean

  • Supporter
  • ****
  • Posts: 870
  • Country: au
  • Country: au
  • Embedded systems & IT consultant
    • Kean Electronics
Re: The uBeam FAQ
« Reply #1734 on: August 21, 2019, 01:47:12 pm »
https://ubeam.com/company/

That first photo must have been the moment they were all told "You're finished." :horse:

Wow, yeah!  Who on earth thought that was a good photo to use?
 

Offline EEVblog

  • Administrator
  • *****
  • Posts: 29422
  • Country: au
  • Country: au
    • EEVblog
Re: The uBeam FAQ
« Reply #1735 on: August 21, 2019, 01:53:50 pm »
https://ubeam.com/company/

That first photo must have been the moment they were all told "You're finished." :horse:

Wow, yeah!  Who on earth thought that was a good photo to use?

It's BEGGING for captions!  :-DD
 

Offline cgroen

  • Supporter
  • ****
  • Posts: 262
  • Country: dk
  • Country: dk
    • Carstens personal web
Re: The uBeam FAQ
« Reply #1736 on: August 21, 2019, 02:04:24 pm »
816315-0
 

Offline EEVblog

  • Administrator
  • *****
  • Posts: 29422
  • Country: au
  • Country: au
    • EEVblog
Re: The uBeam FAQ
« Reply #1737 on: August 21, 2019, 02:20:16 pm »
816330-0
 
The following users thanked this post: Kean, AlanS

Offline EEVblog

  • Administrator
  • *****
  • Posts: 29422
  • Country: au
  • Country: au
    • EEVblog
Re: The uBeam FAQ
« Reply #1738 on: August 23, 2019, 01:37:10 am »
Perry with Mark Cuban 7 weeks ago.
Surely he's not dumb enough to invest in another Perry startup?



 

Offline EEVblog

  • Administrator
  • *****
  • Posts: 29422
  • Country: au
  • Country: au
    • EEVblog
Re: The uBeam FAQ
« Reply #1739 on: August 23, 2019, 01:55:15 am »
She contracting a mechanical engineer.
So we know it's a consumer product and it's the size of banana that expands open...

 

Offline EEVblog

  • Administrator
  • *****
  • Posts: 29422
  • Country: au
  • Country: au
    • EEVblog
Re: The uBeam FAQ
« Reply #1740 on: August 23, 2019, 02:17:02 pm »
So, turns out Meredith's new invention is a collapsible bike helmet. Seriously, that's what it is.
Not a new idea of course, this Indiegogo just raised $3.5M for one:
https://www.indiegogo.com/projects/park-diamond-foldable-bike-helmet#/

But Perry's one is the size of a banana. Just like Theranos could test 800 things with drop of blood...
« Last Edit: August 23, 2019, 02:19:56 pm by EEVblog »
 

Offline StillTrying

  • Super Contributor
  • ***
  • Posts: 2065
  • Country: se
  • Country: se
  • Country: Broken Britain
Re: The uBeam FAQ
« Reply #1741 on: August 23, 2019, 09:24:30 pm »
A bike safety helmet that collapses on impact, what could possibly go wrong. >:D
CML+  That took much longer than I thought it would.
 
The following users thanked this post: mikerj, Howardlong

Offline JimRemington

  • Regular Contributor
  • *
  • Posts: 167
  • Country: us
  • Country: us
Re: The uBeam FAQ
« Reply #1742 on: August 23, 2019, 09:35:21 pm »
With the new focus on "intellectual property" uBeam now looks like a Solution In Search of a Problem.
« Last Edit: August 23, 2019, 09:38:45 pm by JimRemington »
 

Online langwadt

  • Super Contributor
  • ***
  • Posts: 1389
  • Country: dk
  • Country: dk
Re: The uBeam FAQ
« Reply #1743 on: August 23, 2019, 09:49:48 pm »
So, turns out Meredith's new invention is a collapsible bike helmet. Seriously, that's what it is.
Not a new idea of course, this Indiegogo just raised $3.5M for one:
https://www.indiegogo.com/projects/park-diamond-foldable-bike-helmet#/

But Perry's one is the size of a banana. Just like Theranos could test 800 things with drop of blood...

this one? https://www.ecohelmet.com/
 

Offline Marco

  • Super Contributor
  • ***
  • Posts: 4318
  • Country: nl
  • Country: nl
Re: The uBeam FAQ
« Reply #1744 on: August 23, 2019, 10:39:38 pm »
https://www.allaboutcircuits.com/news/future-of-power-infrared-beams-next-step-in-wireless-charging/
Lets say they use around 25W to deliver the 3W of electrical power, the limit for class 1M is around 150 mW for "eye safe" lasers I think. So they have to detect 0.6% beam occlusion to stay safe, seems hard.
 

Offline EEVblog

  • Administrator
  • *****
  • Posts: 29422
  • Country: au
  • Country: au
    • EEVblog
Re: The uBeam FAQ
« Reply #1745 on: August 24, 2019, 05:47:37 am »
So, turns out Meredith's new invention is a collapsible bike helmet. Seriously, that's what it is.
Not a new idea of course, this Indiegogo just raised $3.5M for one:
https://www.indiegogo.com/projects/park-diamond-foldable-bike-helmet#/

But Perry's one is the size of a banana. Just like Theranos could test 800 things with drop of blood...

this one? https://www.ecohelmet.com/

Likely quite similar in design, hence the "banana" shape reference.
Seems like she's way late for the party, unless it's maybe a motorcycle class helmet?
 

Online langwadt

  • Super Contributor
  • ***
  • Posts: 1389
  • Country: dk
  • Country: dk
Re: The uBeam FAQ
« Reply #1746 on: August 24, 2019, 01:37:28 pm »
So, turns out Meredith's new invention is a collapsible bike helmet. Seriously, that's what it is.
Not a new idea of course, this Indiegogo just raised $3.5M for one:
https://www.indiegogo.com/projects/park-diamond-foldable-bike-helmet#/

But Perry's one is the size of a banana. Just like Theranos could test 800 things with drop of blood...

this one? https://www.ecohelmet.com/

Likely quite similar in design, hence the "banana" shape reference.
Seems like she's way late for the party, unless it's maybe a motorcycle class helmet?

Maybe it is the same, on you screenshoot it says "Meredith Perry is with Ken Hertz and Liz Heller"
looks who's on here: https://www.ecohelmet.com/copy-of-about-us-1
 
The following users thanked this post: KL27x

Offline StillTrying

  • Super Contributor
  • ***
  • Posts: 2065
  • Country: se
  • Country: se
  • Country: Broken Britain
Re: The uBeam FAQ
« Reply #1747 on: August 24, 2019, 02:16:41 pm »
When can I get one?
Our launch date has not yet been finalized.

https://www.ecohelmet.com/copy-of-about-us

I wonder how many $mil they've burnt through so far in managing to produce no paper hats.
CML+  That took much longer than I thought it would.
 

Offline ebastler

  • Super Contributor
  • ***
  • Posts: 2919
  • Country: de
  • Country: de
Re: The uBeam FAQ
« Reply #1748 on: August 24, 2019, 05:08:58 pm »
looks who's on here: https://www.ecohelmet.com/copy-of-about-us-1

Oh wow, a product "invented" by two industrial designers. Now all we need to do is change physics to actually make it work! Seems like the same concept for success they had behind uBeam...

On the other hand, that helmet concept looks strangely familiar...
Exactly like these foldable paper lanterns we had as kids, actually!  ;)

 
The following users thanked this post: mikerj

Online mikerj

  • Super Contributor
  • ***
  • Posts: 2044
  • Country: gb
  • Country: gb
Re: The uBeam FAQ
« Reply #1749 on: August 24, 2019, 10:52:19 pm »
Now all we need to do is change physics to actually make it work!

That should be in the ubeam mission statement  :-DD
 


Share me

Digg  Facebook  SlashDot  Delicious  Technorati  Twitter  Google  Yahoo
Smf