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Heated Case

post #1 of 14
Thread Starter 

Hey guys I am just trying to get a feel for the interest on this idea I have. I don't know how many of you have a smartphone but if you do I imagine you can relate to this. If your up on the mountain and you want to use your iPhone, droid, or galaxy to take a picture, make a call, etc. and your phone bunks out because of the cold. Well it's awful for the battery and really frustration. So I'm trying to design a heated case for smartphones; either one that can be put directly on the phone or a one-size-fits-all case that you can put an already cased phone into. Just let me know what you think!!

post #2 of 14

At the risk of stating the obvious: You are proposing to create a battery operated device to keep the battery in your other battery operated device warm?

post #3 of 14

What's the lowest temp these phones are designed to withstand? I've been wondering about it because mine has worked without problems down to around 10F.

post #4 of 14

most popular phone is still the iphone.  If you still are pursuing this, I suggest whatever you design, you build specifically just for iphone.  Then branch out to something generic afterwards.

 

http://www.apple.com/iphone/specs.html

 

Environmental Requirements

 
  • Operating ambient temperature: 32° to 95° F (0° to 35° C)
  • Nonoperating temperature: −4° to 113° F (−20° to 45° C)
  • Relative humidity: 5% to 95% noncondensing
  • Maximum operating altitude: 10,000 feet (3000 m)
post #5 of 14
Thread Starter 
Quote:
Originally Posted by Mom View Post

At the risk of stating the obvious: You are proposing to create a battery operated device to keep the battery in your other battery operated device warm?
Actually there might be a way to have it NOT be battery operated but I suppose you can compare this battery powering a battery with cases that self change the iPhone in the way you charge the case to inevitably charge the phone. It's similar in that sense. But yes it would keep the phone at an ompimal operating temperature, something like 20-30 F
post #6 of 14
Thread Starter 
It
Quote:
Originally Posted by Toecutter View Post

What's the lowest temp these phones are designed to withstand? I've been wondering about it because mine has worked without problems down to around 10F.
It depends on the type of smartphone but iPhone cease functioning completely at -10c and iPhones have the worst functioning cabailities at low temps! I really appreciate te feedback!
post #7 of 14
Thread Starter 
Quote:
Originally Posted by raytseng View Post

most popular phone is still the iphone.  If you still are pursuing this, I suggest whatever you design, you build specifically just for iphone.  Then branch out to something generic afterwards.


http://www.apple.com/iphone/specs.html







Environmental Requirements



 
  • Operating ambient temperature: 32° to 95° F (0° to 35° C)


  • Nonoperating temperature: −4° to 113° F (−20° to 45° C)


  • Relative humidity: 5% to 95% noncondensing


  • Maximum operating altitude: 10,000 feet (3000 m)



I agree that iPhones are very popular but androids also sell to a HUGE market base. I just don't want to alienate any group. I really appreciate the input!
post #8 of 14

Why not use the chest pocket inside your ski jacket?

post #9 of 14
Thread Starter 
Body heat is not warm enough to keep the phone on in extreme temperatures.
post #10 of 14

Good point. Since moving to Vancouver I haven't had a really cold ski day in a couple of years. I can remember though how cold it can get elsewhere.

post #11 of 14
Quote:
Originally Posted by Metaphor_ View Post

Why not use the chest pocket inside your ski jacket?

 

Thats where my blackberry goes...never had a problem, and its seen some pretty cold temps.

post #12 of 14
Pocket is fine if you use an INSIDE pocket. I used to kept my phone outside and it dies all the time, now I keep in pocket of my insulating layer in a ziplock bag and it's perfectly fine, and moisture proof.
post #13 of 14

I have only put my iphone in the outside pocket of my jacket and never had a problem with it shutting down (I listen to music so I would know) and there have been some days in the negative Fahrenheit's.

post #14 of 14
Quote:
Originally Posted by HBialic View Post

It

It depends on the type of smartphone but iPhone cease functioning completely at -10c and iPhones have the worst functioning cabailities at low temps! I really appreciate te feedback!


I have never had a problem even at low temps like you mention.

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