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Mobile Phone-A Journey
Mainak Roy ChowdhuryCreated By : Branch :
BCA (1st Year)
The First Cell Phone
The first cell phone was invented by Dr. Martin Cooper , a former general manager for the systems division at Motorola
Name: Motorola Dyna-TacSize: 9 x 5 x 1.75 inchesWeight: 2.5 poundsNumber of Circuit Boards: 30Talk time: 35 minutesRecharge Time: 10 hoursFeatures: Talk, listen, dial
Basic Phone
Smart Phone
PDA Phone
Gaming Phone
Types Of Cell Phones
FORMS OF MOBILE PHONES
Bar
Clamshell
Slider
Swivel
A bar phone has resemblance to a candy bar in size and shape E.g.,
Clamshell phone consists of two or more sections connected by hinges allowing the phone to flip E.g.,
A slider phone is composed of usually two segments that slide past each other on rails
A swivel phone is composed of usually two segments that swivel past each other about a central axle
Mobile Computing Technologies
GSM CDMA
It is Global System For Mobile communications
It is Code-Division Multiple Access
It allows eight simultaneous calls on the same radio frequency
In CDMA , every channel uses the full available spectrum
It has more than one billion users worldwide
It is the common platform on which 3G technologies are built
e.g.,
e.g.,
The Powerhouse Of Mobile Phones
A mobile phone is run by an Operating System(OS)Microsoft and Symbian are the two stables that are leader in mobile OS
Today’s Mobile Technology
The mobile telephony landscape has changed and mobile phones are not just merely used for voice calling. They form the framework through which entertainment content is delivered to masses. They also provide GPS as well as video telephony
SAMSUNG Beam-World’s First Projector Mobile Phone
Future Mobile PhonesEricsson is predicting the future mobile device by 2012 with 20-megapixel camera, high-speed Internet with speed of more than 100Mbps, 1Ghz processor and 5G Technology
An upcoming phone from ALIENWARE
Mobile Phone, due to its utility, necessity and affordability, is one of the most ubiquitous gadgets that one finds in the present world of technology
Thank You