News tagged with cell phone
Transparent batteries: seeing straight through to the future? (w/ video)
(PhysOrg.com) -- Stanford researchers have invented a transparent lithium-ion battery that is also highly flexible. It is comparable in cost to regular batteries on the market today, with great potential for ...
Jul 25, 2011 |
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Technology convergence may widen the digital divide
(Phys.org) -- Technology is helping communication companies merge telephone, television and Internet services, but a push to deregulate may leave some customers on the wrong side of the digital divide during this convergence, ...
May 17, 2012 |
5 / 5 (2) |
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Next-generation nanoelectronics: A decade of progress, coming advances
Traditional silicon-based integrated circuits are found in many applications, from large data servers to cars to cell phones. Their widespread integration is due in part to the semiconductor industry's ability to continue ...
May 03, 2012 |
4.5 / 5 (2) |
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Breakthrough could double wireless capacity with no new towers
The days of waiting for smartphones to upload video may be numbered. Rice University engineering researchers have made a breakthrough that could allow wireless phone companies to double throughput on their ...
Sep 06, 2011 |
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Adobe shows off new 'undo photo blur' feature
(PhysOrg.com) -- Despite all the advances in digital photography, most people are still plagued by the problem of blurry photos, a problem compounded by the use of cameras embedded in cell phones due to their small size. ...
Oct 13, 2011 |
4.3 / 5 (14) |
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Revolutionary new paper computer shows flexible future for smartphones, tablets (w/ video)
(PhysOrg.com) -- The world's first interactive paper computer is set to revolutionize the world of interactive computing.
May 04, 2011 |
4.2 / 5 (20) |
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Holiday customers will be tracked by their phones
(PhysOrg.com) -- Black Friday shoppers in California and Virginia might learn their phones are being tracked as they move along the mall. That's the plan at the Promenade Temecula in southern California and ...
Technology / Hi Tech & Innovation
Nov 24, 2011 |
4.8 / 5 (4) |
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Copper nanowire films could lower touch screen, LED and solar cell costs
Copper nanowires may be coming to a little screen near you. These new nanostructures have the potential to drive down the costs of displaying information on cell phones, e-readers and iPads, and they could ...
Nanotechnology / Nanomaterials
Sep 26, 2011 |
4.7 / 5 (6) |
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Researchers develop new wireless technology for faster, more efficient networks
"Wireless communication is a one-way street. Over." Radio traffic can flow in only one direction at a time on a specific frequency, hence the frequent use of "over" by pilots and air traffic controllers, walkie-talkie ...
Feb 14, 2011 |
4.6 / 5 (21) |
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Researchers show how to use portable devices' built-in motion sensors to improve data rates on wireless networks
For most of the 20th century, the paradigm of wireless communication was a radio station with a single high-power transmitter. As long as you were within 20 miles or so of the transmitter, you could pick up ...
Technology / Computer Sciences
Apr 12, 2011 |
5 / 5 (2) |
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Mini-projector for smartphones
Their very small displays sometimes make smartphones diffi cult to operate. In the future, a projector will help: if the cell phone is standing on a table, for instance, it can project a large-format display ...
Technology / Hi Tech & Innovation
May 10, 2012 |
not rated yet |
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Facebook launches “Facebook for Every Phone” Java app for feature phones
With all the noise made by smartphone makers and their apps, you'd almost think that smartphones dominate the world cell phone market, but you'd be wrong, it’s actually something called the feature phone; ...
Jul 15, 2011 |
1.1 / 5 (7) |
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Samsung announces the Galaxy Beam Smartphone with built-in projector
(PhysOrg.com) -- Cell phones are great, but one of their limitations is the size of the screen, which of necessity has to be small. To get around this problem, engineers have been for years toying with the ...
Electronics / Consumer & Gadgets
Feb 27, 2012 |
4.7 / 5 (14) |
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Researchers combat global disease with a cell phone, Google Maps and a lot of ingenuity
(Phys.org) -- In the fight against emerging public health threats, early diagnosis of infectious diseases is crucial. And in poor and remote areas of the globe where conventional medical tools like microscopes and cytometers ...
Chemistry / Analytical Chemistry
Apr 27, 2012 |
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Cafe conquerors use high-tech gadgets to make public spaces their own... for hours
Increasingly "plugged-in" customers are grabbing extra seats, counter space and table tops by using cell phones, laptops and cups of steaming hot coffee to shield others from seemingly public spaces, according to two marketing ...
Other Sciences / Economics & Business
May 08, 2012 |
not rated yet |
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Mobile phone
A mobile phone or mobile (also called cellphone and handphone, as well as cell phone, wireless phone, cellular phone, cell, cellular telephone, mobile telephone or cell telephone) is a long-range, electronic device used for mobile voice or data communication over a network of specialized base stations known as cell sites. In addition to the standard voice function of a mobile phone, telephone, current mobile phones may support many additional services, and accessories, such as SMS for text messaging, email, packet switching for access to the Internet, gaming, Bluetooth, infrared, camera with video recorder and MMS for sending and receiving photos and video, MP3 player, radio and GPS. Most current mobile phones connect to a cellular network consisting of switching points and base stations (cell sites) owned by a mobile network operator (the exception is satellite phones, which are mobile but not cellular).
As opposed to a radio telephone, a mobile phone offers full duplex communication, automatised calling to and paging from a public switched telephone network (PSTN), handoff (am. English) or handover (European term) during a phone call when the user moves from one cell (base station coverage area) to another. A mobile phone offers wide area service, and should not be confused with a cordless telephone, which also is a wireless phone, but only offer telephony service within a limited range, e.g. within a home or an office, through a fixed line and a base station owned by the subscriber.
The International Telecommunication Union estimated that mobile cellular subscriptions worldwide would reach approximately 4.1 billion by the end of 2008. Mobile phones have gained increased importance in the sector of Information and communication technologies for development in the 2000s and have effectively started to reach the bottom of the economic pyramid.
For more information about Mobile phone, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
