[quote=futurity]
[img]http://www.futurity.org/wp-content/uploads/2011/07/antenna_1.jpg[/img]
The antenna is typically the largest wireless component in mobile devices. Shrinking it could leave more room for other gadgets and features, says Anthony Grbic, an associate professor of electrical engineering and computer science at the[URL="http://ns.umich.edu/htdocs/releases/story.php?id=8462"]University of Michigan[/URL].
Grbic and Stephen Forrest, a professor of materials science and engineering and physics, led the development of the hemisphere-shaped antennas, which can be manufactured with innovative imprint processing techniques that are rapid and low cost.
The finished product is 1.8 times the fundamental antenna size limit established in 1948 by L.J. Chu. The dimensions of this limit vary based on an antenna’s bandwidth.
“Ever since the Chu limit was established, people have been trying to reach it. Standard printed circuit board antennas don’t come close. Some researchers have approached the limit with manually-built antennas, but those are complicated and there’s no efficient way to manufacture them,” Grbic says.
“We’ve found a way to reduce the antenna’s size while maximizing its bandwidth, using a process that’s amenable to mass production.”
The researchers’ prototype operates at 1.5 gigahertz, in the frequency range of WiFi devices as well as cordless and mobile phones. The antenna is 70 percent efficient and ten times smaller than conventional antennas, Grbic says. It has three times the conductivity of similar devices produced by 3-D ink-jet printing techniques, a process that serially writes the antenna geometry.
This new method is a very general process, says Carl Pfeiffer, a doctoral student and first author of a paper on the work being presented at the [URL="http://www.apsursi2011.org/"]2011 IEEE International Symposium on Antennas and Propagation[/URL].
“It can be used to fabricate antennas that are of a wide variety of sizes, shapes, frequencies, and designs,” Pfeiffer says. “Basically if you tell me the data rate that is required for a particular application, I can make an antenna that does this while at the same time being as small as possible.”
Beyond consumer electronics, this work could be useful in wireless sensing and military communications. Wireless sensor networks could be used for environmental monitoring or surveillance.
The work was funded by the Department of Education’s Graduate Assistance in Areas of National Need program, the National Science Foundation, and the U.S. Air Force Office of Scientific Research. The University of Michigan has licensed certain rights involved in this research to Universal Display Corp. Forrest holds an equity interest in, serves on the scientific advisory board, and is a consultant for the company.
[/quote]
Source:
[URL]http://www.futurity.org/science-technology/antenna-shrinks-phone-soon-to-follow/[/URL]
Guys..
Guys listen
I've got a great idea.
Let's put the antenna on the outside of the phone.
But they should with this concentrate on where abouts to put it and how they can form it round other parts of the phone.
fuck
I don't want to lose my phone among my other things, they're the perfect size as they are. I hope they use the extra space to inflate batteries or something.
I have an idea:
Stop giving my phone fucking anorexia and give me a decent battery.
[QUOTE=teh pirate;30965293]fuck
I don't want to lose my phone among my other things, they're the perfect size as they are. I hope they use the extra space to inflate batteries or something.[/QUOTE]
That's probably what they'd do with most mainstream phones, though super-compact phones may be made.
[QUOTE=PyroCF;30965112]Guys..
Guys listen
I've got a great idea.
Let's put the antenna on the outside of the phone.
But they should with this concentrate on where abouts to put it and how they can form it round other parts of the phone.[/QUOTE]
My old phone which had a 1.5 inch antennae would poke holes in my pant's pockets that were made of mesh.
I'm interested to see how much of MY phone is taken up by its antenna now.
This is seriously an awesome phone, I'd happily use it -
[img]http://www.waysale.com/images/big/705i_Dual_Card_Dual_Band_Dual_Screen_Camera_Touch_Screen_Flip_Cell_Phone_Tarnish.jpg[/img]
I don't see why the goal is to make it small enough to fit in your piss-hole. What am I gonna do, stick my phone in my arse so if a telemarketer calls I can just fart into my phone with ease? :v:
[QUOTE=Redcow17;30966040][IMG]http://images.anandtech.com/reviews/gadgets/apple/iPhone4/dd3v33sr_169ch3mkvf8_b.jpg[/IMG][/QUOTE]
We all know how that turned out
Please don't make phones smaller it's hard enough texting on a 3.5" screen. 4.3" is perfect don't fuck with it
[QUOTE=Ven Kaeo;30967051]Please don't make phones smaller it's hard enough texting on a 3.5" screen. 4.3" is perfect don't fuck with it[/QUOTE]
Yeah, if they make the phones too small nobody will be able to use them.
Actually no I take it back.
Make them so small we can implant them in our ear/brain and have the display as a hologram in front of an eye and the keyboard on our arms.
I don't think they're trying to make phones smaller, they're trying to make more room for other devices or features. The first sentence of the article even mentions that, where is bad reading when you need it. It could leave room for other things like a bigger battery, better cameras, etc.
[QUOTE=Ven Kaeo;30967051]Please don't make phones smaller it's hard enough texting on a 3.5" screen. 4.3" is perfect don't fuck with it[/QUOTE]
That's why I like my phone's keyboard.
[QUOTE=nikomo;30965390]I have an idea:
Stop giving my phone fucking anorexia and give me a decent battery.[/QUOTE]
This.
Can I have a battery with a lifespan longer than four hours please?
[QUOTE=Ven Kaeo;30967153]Actually no I take it back.
Make them so small we can implant them in our ear/brain and have the display as a hologram in front of an eye and the keyboard on our arms.[/QUOTE]
If they implant it in our brain, I don't want to fucking type my message....
[QUOTE=commander204;30967650]If they implant it in our brain, I don't want to fucking type my message....[/QUOTE]
And I don't want to be thinking about something disgusting and accidentally send it to someone as a message. :v:
[QUOTE=Shugo;30967712]And I don't want to be thinking about something disgusting and accidentally send it to someone as a message. :v:[/QUOTE][i]"Hey Mom, can you pick up so-UHH MOM YEAH UHHHHH-me Gatorade?"[/i]
70 percent as efficient?
I'll Pass.
In fact, go ahead and increase the size of my phone by 20-30% and include more battery life and a better antenna.
[QUOTE=GunFox;30968501]70 percent as efficient?
I'll Pass.
In fact, go ahead and increase the size of my phone by 20-30% and include more battery life and a better antenna.[/QUOTE]
We don't need slimmer phones, we need more practical ones.
[QUOTE=Shugo;30967712]And I don't want to be thinking about something disgusting and accidentally send it to someone as a message. :v:[/QUOTE]
"Hi Jennifer I-[i]fuck i'm horny holyshit[/i]-just wanted to say-[i]goddamn that chick has nice tits[/i]-hello!"
[QUOTE=Ven Kaeo;30967153]Actually no I take it back.
Make them so small we can implant them in our ear/brain and have the display as a hologram in front of an eye and the keyboard on our arms.[/QUOTE]
[img]http://images1.wikia.nocookie.net/__cb20090128140333/masseffect/images/thumb/5/51/Evidence2.png/830px-Evidence2.png[/img]?
Phones are a funny thing.
If I just let it sit in my pocket for 8 hours, the battery is absolutely fucking dead.
But if I turn off 3G, my phone will easily survive a couple of days on battery.
The screen takes shitloads of energy and syncing is icing on the cake.
[QUOTE=nikomo;30972919]Phones are a funny thing.
If I just let it sit in my pocket for 8 hours, the battery is absolutely fucking dead.
But if I turn off 3G, my phone will easily survive a couple of days on battery.[/QUOTE]
Mine has lasted for almost a week in a pocket without use or recharging before, but it only lasts for 2-3 hours of actual use.
I had to get a battery expansion for my EVO because it went from a full charge to 30% within a 7 hour period of minimal use. Now with this new battery, I can use it for the same amount of time and have it only go down to about 70%.
My phone is the size of a brick with this extended life battery, but I don't mind it.
[QUOTE=Mad Chatter;30974527]I had to get a battery expansion for my EVO because it went from a full charge to 30% within a 7 hour period of minimal use. Now with this new battery, I can use it for the same amount of time and have it only go down to about 70%.
My phone is the size of a brick with this extended life battery, but I don't mind it.[/QUOTE]
Do you still have the ROM it came with installed? Before I flashed mine to a custom one, my battery didn't even last a day on standby.
I don't want a smartphone that's a quarter inch thick with the worst battery life known to man. I'd rather have a large brick with a keyboard than stripping that stuff out just to make it smaller.
If they get smaller and smaller, one that you can fold out like a piece of paper could be handy!
[QUOTE=Ven Kaeo;30967153]Actually no I take it back.
Make them so small we can implant them in our ear/brain and have the display as a hologram in front of an eye and the keyboard on our arms.[/QUOTE]
[media]http://www.youtube.com/watch?v=EaHUpWuqNHY&feature=player_detailpage[/media]
Sorry, you need to Log In to post a reply to this thread.
