Apple testing various charging methods for its iWatch
Another method involves the use of solar cells embedded in the screen. This would help store enough power during the daylight to run the watch during the evening. We recently told you about a patent Apple has applied for to protect a method to add solar charging to a sapphire glass display, like the one rumored to be on the iWatch. The device is said to feature a curved glass screen that would make solar charging easier.
The last method would be one that would recharge the iWatch through movement. This is not new as many of today's timepieces use this technology to wind up a mechanical watch, or to recharge a battery. Apple filed a patent in 2009 for a method in which a person's swinging arms helps generate power to a device. Last July, Apple received a patent for a flexible battery that is traditional in every other way, and could work with a display embedded with solar cells.
There are methods being developed that could even eliminate the battery altogether, not only for smartwatches, but for smartphones. Researchers at the University of Washington have been working on a way for wireless devices to communicate using power that is snatched out of the air from Wi-Fi, televisions and cell signals.
Shyamnath Gollakota and his devices, which do not require batteries to run, instead use power taken out of the air
1. XperiaOptimusOne (unregistered)
Cell signal powered smartphones? Mindblown!
6. KillgoreTroutTime (Posts: 211; Member since: 06 Jan 2014)
It won't happen. Studies have shown that you can get energy that way, but it would be like 1% of the total energy you would need. Just like the solar panels, it would be a supplemental power source. You will still have to plug the thing in or sit it on a charging pad.
7. Finalflash (Posts: 1534; Member since: 23 Jul 2013)
Yea but if Apple hits it up there might be enough interest in the tech to push other companies to research into it. But then the cell companies will just charge us for electricity. But good to see apple push into new useful frontiers again.
2. xperiaDROID (Posts: 5150; Member since: 08 Mar 2013)
There's something wrong with the name iWatch. iWatch = NSA?
Sorry, had to say it! xD
4. Feanor (Posts: 294; Member since: 20 Jun 2012)
Particularly if the mid-term facelift is dubbed iWatch U or iWatch 4u...
5. xperiaDROID (Posts: 5150; Member since: 08 Mar 2013)
What if it's called iWatch 4S? LOL...nevermind.
3. networkdood (Posts: 6260; Member since: 31 Mar 2010)
If people are smart, they will pass on this - I mean, this is redundant tech...