Post on 02-Jan-2016
MOBILE PHONE HISTORY
Presented by
Duangta
Today’s communications industrial would not be what it is
1947 AT& T Bell Labs introduce the Idea of cellular communication
1970’s AT&T Labs and Motorola : Incorporate the phone Technology into portable devices.
Joel Engel Richard Frenkiel
How to……invented
Early Years
The First Cell phone(1973)
Motorola Dyna Tac 8000 He is considered the inventor of the
first portable Hand set and the first person to
make a call on a portable cell phone in April in 1973 Features only Talk And listen
Name: Motorola Dyna-TacSize: 9 x 5 x 1.75 inchesWeight: 2.5 poundsDisplay: NoneNumber of Circuit Boards: 30Talk time: 35 minutesRecharge Time: 10 hoursFeatures: Talk, listen
Launch of mobile phone
Dr. Martin Cooper
A Generation of Mobile Phones
G1 ( First Generation )
Analog System Hexagon cell base station
2 G (Second Generation) GSM System SMS Some Function
3 G (Third Generation)