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Author | Topic: Transmission of data by LED light | |||||||||||||||||||||||
fearandloathing Member (Idle past 4176 days) Posts: 990 From: Burlington, NC, USA Joined: |
Your light bulb idea is the weak link, the rest of the technology exists and is already in use as far as how you could get data over power lines. Essentially you are wanting to know about data being transferred over power lines and how it could be received by a computer?
quote: Full article There are much better ways to get data to and from power lines as is shown in the wiki article."No sympathy for the devil; keep that in mind. Buy the ticket, take the ride...and if it occasionally gets a little heavier than what you had in mind, well...maybe chalk it off to forced conscious expansion: Tune in, freak out, get beaten." Hunter S. Thompson Ad astra per aspera Nihil curo de ista tua stulta superstitione.
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fearandloathing Member (Idle past 4176 days) Posts: 990 From: Burlington, NC, USA Joined: |
What I like about this idea is that it gives you the freedom of wifi in any room equipped with broadcast and reception light systems I am a communications enthusiast and an amateur operator and remember some of the arguments against using power lines for data, interference and security mostly. That's the only reason I knew about this. I am all for it though. If a simple microprocessor was used then I am sure that it would be easy to incorporate infrared LEDs and also infrared photo detectors in a light-bulb package that could also still work as a source or light independent of it's other use as a channel for data transfer. There would be a few things to overcome...specialized lampshades... an industry standard...ect Edited by fearandloathing, : No reason given."No sympathy for the devil; keep that in mind. Buy the ticket, take the ride...and if it occasionally gets a little heavier than what you had in mind, well...maybe chalk it off to forced conscious expansion: Tune in, freak out, get beaten." Hunter S. Thompson Ad astra per aspera Nihil curo de ista tua stulta superstitione.
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fearandloathing Member (Idle past 4176 days) Posts: 990 From: Burlington, NC, USA Joined: |
That would work, you could carry it with you anywhere that is in the network, rather bulky. A smaller wireless interface between a plug and socket seems like a better alternative it leaves the complicated bulb out of it and uses off the shelf technology.
My question is why use light at all? Edited by fearandloathing, : No reason given."No sympathy for the devil; keep that in mind. Buy the ticket, take the ride...and if it occasionally gets a little heavier than what you had in mind, well...maybe chalk it off to forced conscious expansion: Tune in, freak out, get beaten." Hunter S. Thompson Ad astra per aspera Nihil curo de ista tua stulta superstitione.
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fearandloathing Member (Idle past 4176 days) Posts: 990 From: Burlington, NC, USA Joined: |
Again the light limits the broadcast to improve security issues. Is security an issue? Economically I would say that this wouldn't be a good selling point. There are many things you can do to achieve secure comms other ways that don't rely on new tech. If you were looking for secure data transfer then lasers would be where I would look. I think DARPA has already been down this road with using lasers for comms with subs. It is a novel idea, nothing more. One I am sure others have thought of...but I am not up to a patent search. "No sympathy for the devil; keep that in mind. Buy the ticket, take the ride...and if it occasionally gets a little heavier than what you had in mind, well...maybe chalk it off to forced conscious expansion: Tune in, freak out, get beaten." Hunter S. Thompson Ad astra per aspera Nihil curo de ista tua stulta superstitione.
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fearandloathing Member (Idle past 4176 days) Posts: 990 From: Burlington, NC, USA Joined: |
Communication is limited to the speed of the slowest link and light is line of sight and subject to medium degradation. It will be more limited by the transmission system prior to it being turned into light. It is a moot point with power lines being the main route of data transfer, you can't exceed their usable bandwidth."No sympathy for the devil; keep that in mind. Buy the ticket, take the ride...and if it occasionally gets a little heavier than what you had in mind, well...maybe chalk it off to forced conscious expansion: Tune in, freak out, get beaten." Hunter S. Thompson Ad astra per aspera Nihil curo de ista tua stulta superstitione.
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fearandloathing Member (Idle past 4176 days) Posts: 990 From: Burlington, NC, USA Joined: |
Here is a little more on the subject. Seems there is a lot more interest in this technology than I thought, many or them would have to do with not wanting RF in certain places, planes, operating rooms...
quote: From here... The weak link seems to be currently it would have to use some other type of connection for the up-link. That could be overcome with a purpose built bulb that would incorporate a photo-detector I am sure. It seems like this would be best suited to power companies who provide BPL service, as far as consumer use goes."No sympathy for the devil; keep that in mind. Buy the ticket, take the ride...and if it occasionally gets a little heavier than what you had in mind, well...maybe chalk it off to forced conscious expansion: Tune in, freak out, get beaten." Hunter S. Thompson Ad astra per aspera Nihil curo de ista tua stulta superstitione.
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fearandloathing Member (Idle past 4176 days) Posts: 990 From: Burlington, NC, USA Joined: |
CFS? I can't find any link between Chronic Fatigue Syndrome and light or better yet modulated light.
quote: From here... It seems they don't know much about it, yet you suggest a new, relatively untested technology may cause/contribute to CFS? I would suggest that it more likely to cause seizures in people who have epilepsy, we know modulated light can do this already."No sympathy for the devil; keep that in mind. Buy the ticket, take the ride...and if it occasionally gets a little heavier than what you had in mind, well...maybe chalk it off to forced conscious expansion: Tune in, freak out, get beaten." Hunter S. Thompson Ad astra per aspera Nihil curo de ista tua stulta superstitione.
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fearandloathing Member (Idle past 4176 days) Posts: 990 From: Burlington, NC, USA Joined: |
I don't know if it could be considered an allergy, but I do know several people who have to avoid it because it often triggers migraines. Just WiFi? As a radio enthusiast I find that hard to believe. Microwave ovens, some cordless phones, baby monitors, amateur radio, Bluetooth....the list goes on...all use the 2.4GHz band. Your friend would have a perpetual headache if this were true. Most people never stop to consider how much RF you are exposed to all day. If you had access to a RF spectrum analyzer you might be shocked at the amount of RF you are currently sitting in, especially if you live in an urban area. "No sympathy for the devil; keep that in mind. Buy the ticket, take the ride...and if it occasionally gets a little heavier than what you had in mind, well...maybe chalk it off to forced conscious expansion: Tune in, freak out, get beaten." Hunter S. Thompson Ad astra per aspera Nihil curo de ista tua stulta superstitione.
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fearandloathing Member (Idle past 4176 days) Posts: 990 From: Burlington, NC, USA Joined: |
LOL, Thanks
That makes much more sense, I am a moron more often than not. (probably from exposure to high levels of RF) I can see it maybe screwing with your blood pressure and causing headache, I try to avoid salt and msg in food I buy. Edited by fearandloathing, : No reason given."No sympathy for the devil; keep that in mind. Buy the ticket, take the ride...and if it occasionally gets a little heavier than what you had in mind, well...maybe chalk it off to forced conscious expansion: Tune in, freak out, get beaten." Hunter S. Thompson Ad astra per aspera Nihil curo de ista tua stulta superstitione.
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