The history of mobile phone

EE-1-1 V.Bat-Otgon 2008 HUREE ICT UNIVERSITY

The History of Mobile Phone Design

1946 – Wireless Telephones

The first wireless telephone calls were made from cars and trucks.

And this is base of mobile phone

It was a primitive system and even in a city the size of New York only 12 people could place calls at a time.

The History of Mobile Phone Design

1981 – Portable Units

The first portable units were really big and heavy.

Called transportables or luggables. They were so large mainly because of the size of the battery.

Portable units is bigger than mobile phone.

First generation

The History of Mobile Phone Design

1982 – Mobira senator

• Nokia introduces their first cellphone,the analog Mobira Senator

• Advanced Mobile Phones Service (AMPS)

Assigns frequencies in the 824-894 MHz band.

First generation

The History of Mobile Phone Design

1983 - DynaTAC 8000X

In 1983 Motorola released the first true mobile phone.

It weighed about the same as a bag of sugar and had a battery life of only 8 hours.

It cost $3,995 and sold over 300,000 units in the first year alone.

First generation

The History of Mobile Phone Design

1989 – GSM Digital Phones

In 1989 digital networks lead to the increased use of mobile phones throughout the 90’s.

The vast majority of phones were black or dark grey with aerials and small screens.

Mongolian Cellphone corporationuse this

Global System Mobile (GSM)

Second generation

The History of Mobile Phone Design

1993 – CDMA

• Code Division Multiple Acces (CDMA)

Intorduced for the 800 MHz band.

Korea is big intusty country of present CDMA phone.

Second generation

The History of Mobile Phone Design

Current Design

Today's phones come in two different styles the standard and the flip-top phone.

The standard matte black plastic finish of the 90’s has been replaced by coloured fascia and stylish metal finishes.

Second generation

The History of Mobile Phone Design

Convergent Devices

The latest trend is to combine many different types of device in one.

So mobile phones can also be used as PDAs, MP3 players, games consoles and as devices to surf the internet.

2.5 generation

The History of Mobile Phone Design

3G Next Generation Phones

3G stands for third generation, and is a wireless industry term for a collection of international standards and technologies aimed at increasing efficiency.

Increasing data rates will mean that most phones will have cameras and larger screens to enhance the playback of video.

Third generation

The History of Mobile Phone Design

Consumers of cellphone

The History of Mobile Phone Design

The History of Mobile Phone Design

Any questions?