Re: Finger power?
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Re: Finger power?
Why doesn't some buy the CD player and examine the circuit and make a
copy of it? That would probably be the easiest way.
>----------
>From: Mike Leister[SMTP:leister@BAGHWAN.NSC.COM]
>Reply To: Mike Leister
>Sent: Wednesday, March 04, 1998 9:52 AM
>To: CALC-TI@LISTS.PPP.TI.COM
>Subject: Re: Finger power?
>
>Thomas,
>
>You can boost voltage, or current, but you can't boost power without a
>separate power source. The electrical power that your body supplies is less
>than 1% of what you need to run your calc. The best that you could do is
>charge a battery that has not leakage current (does not exist yet) for a
>week, to get 1 minute of calc operation. Transistors do boost power, but
>that power has to come from somewhere. The only energy that your body has a
>surplus of is mechanical energy. I saw a radio/flashlight that had a spring
>that you wound up for 1 minute, and it ran the radio for 30 minutes. The
>spring turned a generator that provided the power. It was large (0.5 cubic
>feet). I am looking for a smaller one from the surplus houses.
>
>As a side note, a modulator puts a message signal on a carrier signal. I
>think you may have meant to say rectifier, not modulator. A rectifier turns
>an AC signal into a DC signal. The batteries in your calc are DC sources.
>
>I agree that it is "quite possible to make" but it is quite impossible to get
>enough direct electrical energy from your finger to run a large calc. Maybe
>one of the vary small solar powered ones. I'm glad you started the
>discussion. I do like the idea of freeing myself from batteries.
>
>
>Mike
>