CELLPHONES

By: David Fortunato Juan, Freddy Caceres and

Danilo Quintero.

HISTORY OF CELL PHONES

•A

cellular phone is a wireless phone that most people these days

communicate with. It seem that not to long ago that people were

still using house. Not little kids have cell phones. in 1843 a man

by the name of Michael Faraday studied to see if space could

conduct electricity. This man lead to the cell phone development.

In the year of 1865 Doctor Mahlon Loomis was the first person to

communicate through wireless atmosphere. He came up with the

idea of transmitting and receiving messages through atmosphere

as a conductor. Loomis was awarded 50,000 for his research.

I

n 1973 martin copper came up with Motorola. He took the

project and let the people of New York see it. In 1977 the

first cell phone was made in Chicago . When it first came

out 2000 people was given a free trial. Then other places

started to make cell phones. When to cell phone first came

out they were huge. The people did not know how to make

the phone any more compact. In 1988 the big company's

started to make cell phones. There were over 54 places all

over the world.

THE FUTURE OF CELL PHONES

F

rom the year 1843 to now phones have changes a lot. in the

year to come they will change more. The numbers will change .

They will be the your social security number. This will change

because the states numbers are getting mixed up. This will also

change because different people have the same numbers. In the

year 2010 you will be able to search the internet for what every

on the phone. This is now happening but in the future in will

become more advanced. Now the cell phone companies are

trying to get the house phone companies to shut down.

TECHNOLOGY

GSM Technology

•If your phone uses a SIM card, you are using GSM technology. This

technology allows "unlocked" devices (see below) to swap SIM cards

between carriers without having to notify the carrier of the new device.

CDMA Technology

•CDMA cell phones use an ESN (Electronic Serial Number) rather than a

SIM card to identify the phone. In order to use the phone, you must call

your carrier and have them put the ESN on your account; they are not

swappable as easily as GSM devices.

TYPES

Basic Phones

•Mobile phones, most commonly referred to as "cell phones" in North America and "mobiles" in most

other parts of the world, tend to offer a basic operating system that allows for calling, some music

capabilities and carrier-specific applications.

Smartphones

•Smartphones are non-touchscreen devices that offer a robust mobile operating system, most

commonly either Windows Mobile, Symbian, Blackberry or Palm. Smartphones are capable of

sending and receiving emails, editing documents and storing files.

Pocket PC Devices

•Pocket PC devices operate much like Smartphones, though with touchscreen abilities.

USES

•D

igital camera: Point-and-click! Phones capture pictures and let us save them for posterity or

transfer them to others and to computers.

•A

udio recorder: Mobile phones can be used to record conversations or even brief notes to

oneself.

•V

ideo recorder: Phones are becoming video cameras also -- some of the newest cellphones can

record an hour or more of video.

•M

ultimedia messaging: Everything recorded can be shared with others by using MMS.

•E

mail client: The phone can be used to connect to any POP or IMAP server

and allow receiving and sending email. While most phones may not have

the ease of use that a Blackberry has with email, contacts and calendar,

the fact that it is on the phone itself and that there is no need for a

separate device can be a big help (along with the lower total cost of

ownership).

•W

eb client: Phones can also browse websites, via a WAP and/or HTML

browser. Most web sites may not look great on the small screen, but it is

still possible to connect to any web site.

•G

aming platform: Mobile games have become big business in the past

couple years as people seek entertainment in the free time that they

have on the device that they always carry with them.

ADVANTAGES

••

You can carry a mobile phone with you so you don't miss important calls

••

If you are lost, you can call for directions.

••

If you are in an accident, you can call the police or ambulance - and if the phone has a camera, you

can take pictures of the accident.

••

You can listen to music, text, play games when you're bored.

••

Most mobile phones have a calculator and a phone book.

••

You can use a mobile phone to call your customers or boss if you are running late to a meeting.

DISADVANTAGES

••

Mobile phones can be expensive

••

They can damage your ear

••

Sometimes the reception is poor in some areas, limiting your connectivity (you can't talk underground or on

planes).

••

People use the phone while they are driving, and this can cause problems.

••

They can limit your face to face time with friends and family

••

They can get you in trouble at school

••

Can be expensive

BIBLIOGRAPHY

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ttp://www.ehow.com/facts_4914968_types-mobile-

phones.html