evolution of the mobile phone
TRANSCRIPT
Evolution of the mobile phone
Katia Pigrukh 10-A
LK-1 1957 - engineer
Leonid Kupriyanovich from Moscow created the first mobile phone LK-1, weighing 3 kilograms
Motorola March 6 1983 -
Motorola has released the world's first commercial portable cell phone. Battery charge is enough for 8 hours of work in standby mode or one hour in talk mode.
1958 Leonid
Kupriyanovich creates sample compact mobile phone weighs only 500 grams
In 1989 was released cell phone Motorola MicroTAC, the microphone which was placed in a hinged lid
In 1993 created the first mobile phone with built-in clock Benefon Beta.
In 1996 was released the first mobile phone in the form of "clamshell" — Motorola StarTAC
In 1997 and released cell phone Philips Spark that might work 350 hours without recharging.
In 1997 the first mobile phone with a colour screen, the Siemens S10
In 1999, the first cell phone in the form of a slider Siemens SL10
In 2000, the first mobile phone which had a GPS receiver — Benefon ESC.
In 2002 released the first mobile phone with integrated camera — Samsung V200
Thank you for your attention!