mobile phone

Mobile phone ( Mobile ), commonly known as mobile phone, Japan and Hong Kong and Taiwan is often referred to as a portable telephone, flashlight, portable telephone,htc flyer early and mobile commonly called, is available in a wide range of use of a portable telephone terminal. Already developed at present to 4G era.

Brief introduction of mobile phone

Origin

The first is the United States IT mobile phone giant Motorola invented.

Development

Now in the global scope of the most widely used is the so-called second generation mobile phone machine (2G ), to the European GSM standard and the CDMA mainly the United States, in addition to Motorola IDEN network system, Japan region using PDC. They are all digital formats, in addition to voice communication, but also can send and receive SMS, wireless application protocol. In mainland China and Taiwan, with the most popular CDMA GSM, mobile phone is also popular.

At present, the entire industry is to the third generation mobile phone ( 3G ) migration process. Phone mobile phone keyboard part in typical telephone function, also includes PDA, game machines, MP3, camera, photography, sound recording, GPS, Internet and more functional, with mobile phone functionality to the PDA development trends. Telephone mouthpiece, earpiece and microphone, corresponding receiver are installed in a single handle. Formerly known as mobile phone, laptop, mobile phone, is portable, can be in the larger context of mobile telephone terminal.

Intelligence and non intelligence difference

At present mobile phone from performance:

Divided into intelligent mobile phone and non intelligent mobile phone, general intelligent mobile phone performance than the non intelligent mobile phone is good, but not intelligent mobile phone than intelligent mobile phone stability. The majority of intelligent mobile phone and mobile phone using intelligent as British company ARM architecture of CPU.

But the smart mobile phone frequency is higher, fast running speed. ( for example: intelligent mobile phone Motorola DROID X high frequency up to 1000000000000000 Hz,HTC flyer p512 the Nokia N97 frequency is 434000000000000 Hz ), rather than intelligent mobile phone frequency is relatively low, the running speed is slow. ( for example: Nokia 5000 basic frequency is 50000000000000 Hz, the Motorola ZN300 frequency of 171000000000000 Hz ).

Europe and the United States mobile phone

Nokia

Nokia ( Nokia ) was founded in 1865, after 1.5 centuries of development, become the world's largest mobile phone supplier. Nokia is a global leader in mobile communications. The famous Finland company.

Nokia mobile phone has the advantages: the operation of human nature ( S40 ), product line complete, good quality, JAVA performance is good, cheap people.

Nokia mobile phone appearance shortcomings: the doctrine of the mean, the intelligent mobile phone with ( Symbian system is already out of date ),toshiba tablet not suitable for playing mobile phone.

Nokia mobile phone now ready to issue WP7 system begins to enter the market, is expected to beat Apple's IOS system, to become the world's second popular system ... ...