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Thread: Electrical Component Idea

  1. #1 Electrical Component Idea 
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    Recently as a project for fun I built an AM Radio it was a basic 3 transistor regenerative Radio. I learned about the Crystal set and how you can power the speaker of a Radio with the electro magnetic waves freely floating around us all the time. Tesla's wireless energy technology. Out of bored curious fun I looked into wireless charging of Batteries to see if you could create a little electronic bug that charged a battery to power a tiny electric motor for flights here and there. I found out that NOKIA was creating a chip for wireless energy recharging of Cellphones, the target goal was 50mA of continuous power recharging your phone constantly. I do not know if the project was successful. It is easy to deduce how they intended to create this chip. It will have millions of tiny Tank Circuits (Caps and inductors in parallel) each passing a tiny bit of current from the electro magnetic spectrum to the the larger system.)
    So in the Crystal set there is a Germanium Diode that is the "crystal Diode" I believe it has a low break through voltage Correct me if I am wrong. So Here is the idea of purpose of this thread. I think there might be use for a MEMS diode. Basically rather than even toy around with a Break through Voltage drop at all meaning perhaps tiny sensors can be constructed and timed so that voltage can enter a system without any diode resistance and continue to cycle throughout the system in a super conductive circuit and when current is about to return to the source the diode would close entirely mechanically.

    Is a MEMS Diode possible has it ever been proposed, does it have the same utility and potential it seems to have from my point of view?
    As in free energy from everywhere anywhere a Tesla daydream device?


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  3. #2  
    Forum Cosmic Wizard
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    Quote Originally Posted by Evanderblake View Post
    I found out that NOKIA was creating a chip for wireless energy recharging of Cellphones, the target goal was 50mA of continuous power recharging your phone constantly.
    Several such systems exist. They all need a transmitter to transmit the power to the phone. Without the transmitter, relying on just ambient RF energy, you can get a few microwatts - that's about it.
    It will have millions of tiny Tank Circuits (Caps and inductors in parallel) each passing a tiny bit of current from the electro magnetic spectrum to the the larger system.)
    Energy harvested is proportional to antenna size. Tiny antennas = tiny power.
    So in the Crystal set there is a Germanium Diode that is the "crystal Diode" I believe it has a low break through voltage Correct me if I am wrong. So Here is the idea of purpose of this thread. I think there might be use for a MEMS diode. Basically rather than even toy around with a Break through Voltage drop at all meaning perhaps tiny sensors can be constructed and timed so that voltage can enter a system without any diode resistance and continue to cycle throughout the system in a super conductive circuit and when current is about to return to the source the diode would close entirely mechanically.
    1) That's not a MEMS device, it's a synchronous rectifier, and they are well known in the industry.
    2) Superconductors aren't much use at these low current levels, since losses are almost zero to begin with.


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