The Amazing World Of Cell Phones
A cell phone is basically a mobile network phone which works with the help of batteries and network antennas and can be carried easily in the pocket of the user.
Cell phones, also commonly known as mobile phones, are electronic
devices which are used for communication purposes. Voice or data is
communicated through these cell phones over a network of stations. Cell
phones have all the features of a general telephone and also have
various specialized features.
History and Overview:
Cellular Network was initially proposed by Bell Labs in the year 1947.
He was the first person to establish cellular network in the year 1970
in Chicago. After that Japan launched the first mobile phone service in
the year 1978. With the advent of time, there has been tremendous
improvement in the mobile phone technology and in the year 1996, mobile
phone giant Nokia launched its first multi use smart phone Nokia
communicator which had the facility of internet connectivity and email
services.
Cell phone handsets:
Cell phone handsets are the devices which are used for communication
purposes. There are a wide rang of handsets with varying features which
are being produced by manufacturers worldwide. Currently, Nokia is
holding the largest chunk of market share of cell phones and is
regarded as world`s largest manufacturer of mobile phone handsets.
Other major names in the list of cell phone manufacturers include
Motorola, Sony Ericsson, Samsung, LG etc. These cell phones work on
rechargeable batteries which obtain power from electric current, solar,
dynamo, car battery charger etc. Before using a handset it needs to be
activated with a SIM card provided by a mobile phone service provider
who will also allot a unique number for your phone.
Features of Cell Phones:
Apart from having almost all the features of a normal telephone the
cell phone also has various other unique features which make them very
useful in today`s busy life schedule. These features include music, mp3
player, in built high pixel still and movie camera, personal organizer
functions, Internet connectivity with browsing and emailing facility,
different ring tones both inbuilt and with a facility to download, blue
tooth and infra red connectivity etc.
Cell phones are also able to receive and send faxes if it is connected
to a computer. Apart from Short messaging service (SMS), Cell phones
are also enabled to send pictures and videos through Multimedia
messaging service (MMS).
Uses of Cell Phone:
Cell phones are now widely used by both civilians and government
agencies. Government agencies use mobile phones extensively for law
enforcement, military purposes, disaster management etc. In the usage
of cell phones, you must be particular about maintaining the culture
and customs.
It is not decent to use your mobile phone while sitting in an important
meeting. It is desirable that you switch off your phone when in any
funeral or libraries or cinema halls etc. Most schools and colleges
have restricted the use of mobile phones in their premises.
Beliefs about health and environment hazards and safety concerns:
Several concerns regarding human health resulting as an impact of
mobile phone usage has been raised from time to time. There have been
dermatological concerns such as occurrence of rashes on ears and cheeks
of the users, hearing problems in the ear, heart problems concern etc.
Environmental hazards such as electronic waste and safety hazards in
usage of the cell phone have been of great concern. There has been an
increase in accidents by drivers while talking on cell phones. Road
accidents while using a cell phone are on an increase. High rise towers
of the cellular networks are also a cause of concern to flying
aircrafts and birds.
The tremendous benefits of connectivity in all locations wherever you
are have outshined the disadvantages and health concerns of cell phone
and the number of cell phone users is rising day by day.
Source: Free Guest Posting Articles from ArticlesFactory.com
About Article Author

You can have access to portuguese articles about cell phones from page Cell_Phone
Roberto Sedycias works as IT consultant for PoloMercantil