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Hand Recharged iPod Shuffle

randomErr writes "In one for the first article on the new O'Reilly MAKE magizine we see how to recharge your iPod with a crank. The "Torronesque" project was based on the idea of coming up with a project and buiding it even if it has no immediate purpose. Imagine getting a little power charge every time you press a key or open your phone or laptop."

38 of 129 comments (clear)

  1. Old idea by Spy+Hunter · · Score: 5, Informative

    It was patented in 1999 (the keyboard idea). here.

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    main(c,r){for(r=32;r;) printf(++c>31?c=!r--,"\n":c<r?" ":~c&r?" `":" #");}
    1. Re:Old idea by Spy+Hunter · · Score: 5, Informative

      Just because it was patented doesn't mean it's a good idea of course; I believe the amount of power that can be generated by this method is too small to be of much use, even at theoretical 100% efficient conversion. Instead of allocating extra space, weight, and manufacturing cost for this complex charger system, simply including a bigger battery will improve battery life more. There is some interesting discussion along these lines in the original Slashdot story about the patent (also from '99).

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      main(c,r){for(r=32;r;) printf(++c>31?c=!r--,"\n":c<r?" ":~c&r?" `":" #");}
    2. Re:Old idea by Amiga+Trombone · · Score: 5, Funny

      It was patented in 1999 (the keyboard idea).

      Actually, a crank-powered audio player was patented a long time before that. See here.

    3. Re:Old idea by AndroidCat · · Score: 5, Funny

      There are ones even older than that, and they come with a monkey.

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    4. Re:Old idea by drinkypoo · · Score: 2, Interesting

      Is there a patent on a piezoelectric version, too? It's pretty obvious, but so is generating power by pressing keys on a keyboard. It's also fairly useless, or someone would be doing it. Piezoelectric generation, on the other hand, could actually be useful and not have the serious downsides involved with packing a keyboard with magnets.

      --
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  2. Heard of it already by deutschemonte · · Score: 5, Informative

    I heard of this like 2 years ago (or more) for cell phones. They had a charger that you could crank by hand, a mini solar charger you could put on your dashboard or roof of your car, and a fan that sat on the outside of your car. Admittedly I don't remember the company, but this is really old news.

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    1. Re:Heard of it already by cmosses · · Score: 2, Insightful

      What would be the point of a mini solar charger in a car? Just plug it into the car's system.

  3. not really a post by whatsup_will · · Score: 2, Informative

    come on, this is a bit nifty, but not slashdot material, this should be on hackaday not on slashdot.

  4. another use! by Anonymous Coward · · Score: 5, Funny

    so, there could be new ways to power porn-visual devices, eh?

    1. Re:another use! by kamapuaa · · Score: 4, Funny

      I don't want to think what sort of repetitive mechanical hand motion would be used to power such a device.

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    2. Re:another use! by dingo · · Score: 5, Funny

      All our power problems would be solved with 200 teenage boys.

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  5. What? by rhennigan · · Score: 2, Insightful

    press a key or open your or phone laptop

    What the heck are you even talking about?

  6. Done before, but still cool by StratoChief66 · · Score: 5, Interesting

    I know its been done before, but I've never seen a laptop with click powering, I would find this useful as the mashing of the keyboard I do when the battery runs out would actually be productive. :) Plus, this is especially cool in the case of an iPod. Think about it, fill it and its good, forever. No pluggin in for power, just a little crank once in a while and shes good! I would be more impressed with movement power, like those expensive watches. Don't even need to remember to crank, just to stay alive! I didn't RTFA, but these are my thoughts.

    --
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    1. Re:Done before, but still cool by eobanb · · Score: 5, Insightful

      But think about how much more power an iPod or laptop, or even a phone uses compared to a watch. A watch uses hardly any power at all. It has to move a little dial around very slowly over the course of the day, whereas the iPod has electrostatic controls, a backlight, a hard drive, volatile memory, a powered line out jack...all of these things, especially combined, use up a lot of power. It's a nice idea, but there's simply no way that an iPod could power itself by movement alone, nor with a hand crank (unless you wanted to crank a good part of the time). Consumers just wouldn't respond well to it.

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    2. Re:Done before, but still cool by kanweg · · Score: 3, Informative

      It is about the iPod shuffle, which has no
      - backlight because it has no display.
      - hard drive but a static memory chip (pay attention: this is what introduced the rumor that music from an iPod shuffle contained static).

      The size of the battery could be smaller to accommodate for the power-generating mechanism. Weight and size of the mechanism are less of a problem than in a watch.

      Motion powered flashlights exist.

      I still can't exclude that the idea is feasible.

      Bert

    3. Re:Done before, but still cool by fbjon · · Score: 3, Interesting

      But the shake/use ratio for those flashlights is quite low, and might be worse for an iPod. However, a Shuffle for jogging might be a good idea. How about a pedometer combined with a iPod shuffle?

      --
      True confidence comes not from realising you are as good as your peers, but that your peers are as bad as you are.
  7. Even Better Idea... by jpiggot · · Score: 5, Funny
    I'll be much more impressed when my old fashioned butter churn can store up to 12 hours of music AND play them in random order.

    THEN BREAKFAST WILL BE COMPLETE !!! MWAHAHAHAHA !!

  8. Puns by The+Amazing+Fish+Boy · · Score: 5, Funny

    That really turns my crank.

    I don't mean to be an old crank, but I really don't think my pockets will fit this.

    When you have to make your own power, you're less inclined to crank up the volume on that iPod shuffle.

    The only problem is you can only listen to alternative music on it.

    I'll need someone to give me a hand with this.

    Looks like a fine prodcut, but how much will they charge?

    Hopefully no more than an arm and a leg! I'll need at least one arm.

    No fair, it's my turn!

    Does this mean the iPod shuffle uses the ARM processor?

    Tip your waitresses folks, they're good people! Try the buffet! I'll be here all week!

  9. Now all he needs to do is... by Yaztromo · · Score: 5, Funny

    Now all the inventor needs to do is to invent some sort of electric machine that will turn the crank for you. You could take a motor, and put it in some sort of project box, with some wires coming out of it to plug into the wall, and some sort of arm to turn the crank on the cranking machine...then when you want to recharge your iPod Shuffle, plug it into the crank, and mate the crank with the crank motor, and then plug the mottor into the wall. Then you have the benefits of hand-cranking, without all the manual labour.

    Genius! I'm going to go an apply for a patent on this one for sure!

    Yaz.

    1. Re:Now all he needs to do is... by skingers6894 · · Score: 3, Funny

      I'm pretty sure Wile E Coyote or at least someone at ACME has prior art on this...

    2. Re:Now all he needs to do is... by Hognoxious · · Score: 3, Informative

      There are solar powered streetlights in Italy.

      --
      Confucius say, "Find worm in apple - bad. Find half a worm - worse."
  10. "Charging the iPod" by mhotchin · · Score: 5, Funny

    "What are you *doing*?"

    "I'm, uh, charging my iPod. Yeah, yeah, that's the ticket..."

  11. Sorry but this won't work so well by yudan · · Score: 3, Insightful

    We all know that LiON batteries have limited recharge cycles (~1000). Imagine that you will open doors four times per day, then your iPod Shuffle will die in one year. Keep in mind the operating cost....

  12. Makezine is fast becoming by BillsPetMonkey · · Score: 4, Interesting

    a subscription-based slashdot without the herd mentality and GNAA trolls.

    Seriously, between the BBC news site and Makezine there's nearly everything slashdot story contributors deep link to.

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  13. Can we say Trevor Baylis here? by DrogMan · · Score: 4, Informative

    Nothing new. Move along. Clockwork Radio The man himself

  14. Bag of liquid? by chendo · · Score: 3, Interesting

    Instead of a crank, why doesn't someone get two balloon-like objects, fill one up with liquid, then stick them together with a turbine thing in the part that connects the two? Then, to generate power, simply squeeze the balloon containing the liquid, then repeat for the other one. Combined with a capacitator of some sort, it should be a faster way to generate power...

    Or so I think.

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    Founder of Mirror Moon - Tsukihime Game Trans
    1. Re:Bag of liquid? by Walker_Boh_Druid · · Score: 5, Insightful

      So, you expect people to carry around bags of liquid? Im sure that in theory this would be a great idea that would work well, but I just don't think that people will carry bags of liquid with them wherever they go. A nice idea, but one that i dont think would ever work.

    2. Re:Bag of liquid? by chendo · · Score: 2, Funny

      It doesn't have to be massive, can be as small as a squeezeball, but the larger it is, the more power it'll make. Until you get to the size of an elephant's ass, that is.

      --
      Founder of Mirror Moon - Tsukihime Game Trans
  15. More Interesting Invention by eraser.cpp · · Score: 4, Funny

    To hell with the IPod hand recharger, I want to know more about this 'phone laptop'.

  16. Motorola Freecharge by maidhc · · Score: 2, Interesting
  17. That's not how it works by blorg · · Score: 3, Informative

    The number of recharge cycles is measured on a nominal 'deep' discharge/recharge cycle. Partial top-ups and discharges don't count as a full cycle, and are recommended with LiIon due to the lack of a 'memory effect.' Apple have a good page explaining this.

    The greater problem with LiIon is that they loose about 20% capacity per year from the date of manufacture, irrespective of whether they are used or not.

    1. Re:That's not how it works by moonbender · · Score: 2, Informative

      And Wikipedia has a good page explaining the memory effect. Necessary reading for future communications satellite owners.

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  18. Ahh.. by kristopher · · Score: 2, Funny

    So that's what the other hand is for..

  19. Is this the... by morzel · · Score: 2, Funny

    breast option?

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  20. Is the battery life that bad? by CastrTroy · · Score: 3, Insightful

    Is the battery life that bad that you actually need to recharge it by hand. My MiniDisc goes 50 hours on a single AA, and it has moving parts. It's amazing how long the battery lasts.

    --

    Anthropic principle: We see the universe the way it is because if it were different we would not be here to see it.
  21. not a full charge cycle by chasingporsches · · Score: 2, Informative

    ideally in ideal circumstances on an ideal day when everything is perfect in the world, new batteries such as those in the ipod and laptops can be partially charged all the time and work fine. however, that's the ideal theoretical situation, and doesn't really happen. most ipod users will have their battery crap out after a year to a year and a half mainly because of partial charges, because you have to recalibrate it which few do. charging a cell phone when you open it or whatever might be an immediate payoff... but not long term when you have to buy a new battery.

  22. Re:"Free" Power - Thinking way too small here, guy by BrianGa · · Score: 2, Insightful

    And imagine all the energy wasted by deceleration/acceleration of the vehicles you are targeting...not to mention wear and tear on said vehicles. Probably not even close to making it worthwhile.

  23. Re:What about ergometers and crosstrainers? by RenaissanceGeek · · Score: 2, Interesting

    The Minnesota Science Museum has a hands-on section that, when I was a kid, included an exercise-bike that was connected to an electric generator that generated more electricity the faster that you pedaled. In front of the bike was a series of electrical loads: a light bulb, a radio, a black-and-white TV and a color TV; that each turned on in turn as the person pedaling reached the necessary output to drive the device in question. The black-and-white TV was a workout, but the color TV could only be turned on by a few of the most athletic students in my class (of 20), and then only for less than a minute at a time. (and this was only a 13" TV!)

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