Electronics > Power/Renewable Energy/EV's

Solar PV is now the most cost efective energy source.

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foursquare:
Hi Electrodacus,

We never thought this was possible, but it now is. It's amazing how science has brought us beyond our expectations. Back during the times, nobody even thought electricity would exist, and now, there are solar panels that can convert solar power into electricity.

Seekonk:
The sunbandit utilizes all available UL rated components that you can buy for less than $3,000.  They don't actually make anything but the label.

electrodacus, you may be in violation of U.S. Pat. No. 5,293,447 for your switched resistance heating system.  Watch out for trolls.

hendorog:

--- Quote from: Seekonk on February 28, 2017, 06:49:21 pm ---The sunbandit utilizes all available UL rated components that you can buy for less than $3,000.  They don't actually make anything but the label.

electrodacus, you may be in violation of U.S. Pat. No. 5,293,447 for your switched resistance heating system.  Watch out for trolls.

--- End quote ---

IANAL but don't patents expire after 20 years? That was filed in 1992.

electrodacus:

--- Quote from: Seekonk on February 28, 2017, 06:49:21 pm ---The sunbandit utilizes all available UL rated components that you can buy for less than $3,000.  They don't actually make anything but the label.

--- End quote ---
Yes all those components are off the shelf they do not seems to have anything other than offer a complete package.


--- Quote from: Seekonk on February 28, 2017, 06:49:21 pm ---electrodacus, you may be in violation of U.S. Pat. No. 5,293,447 for your switched resistance heating system.  Watch out for trolls.

--- End quote ---

I just checked that and while is a bit vague and hard to understand (probably as most patten applications) seems possible to be something similar to part of what I do in the DMPPT.
Still if this is the same idea I use it is funny that someone will allow such a simple idea to be patented.
Anyone with basic knowledge about electricity can come up with this idea on their own in a few minutes since is nothing more than simple Ohm's law involved.
How did you found that patent ?
The patten seems rally old also more than 20 years.

Seekonk:
There are a lot of PV water heating patents.  Each are as vague as the next. There is another one that says "any adaptive control."  That covers a lot.  USPTO doesn't work like it used to.  Google search seems to have taken that searching over. I just did a search for "photovoltaic water heater." So, you can just invent an "unspecified control system."

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