Phone evolution small square

History of cell phones

Timeline created by Kirra_1997 in History
Event Date: Event Title: Event Description:
Firsttelephone small square Telephone The first telephone was invented 1870 by Alexander Graham Bell. There was many others that looked into the invention of the telephone. The telephone switchboard was invented in 1876, which allowed for the formation of telephone exchanges, and eventually networks. http://en.wikipedia.org/wiki/Telephone
Cordless telephone ge intact2 small square Cordless Phone The first version of the cordless phone was invented in 1965 but could not be marketed. It was invented by a Jazz musician. The innventions 2-mile range caused radio signals to interfere with aircraft. She sold the rights to her invention who modified it for use. http://en.wikipedia.org/wiki/Cordless_telephone
First%20cell%20phone small square First cell phone was invented. The first moblie phone was introduced by Dr. Martin Cooper. He made the first call on April 3rd, 1973. He was a Motorola researcher and executive.
220px inmarsat 3 small square Inmarsat Satellite telephone system The Inmarsat satellite telephone system, originally developed in 1979 for safety of life at sea, is now also useful for areas out of reach of landline, conventional cellular, or marine VHF radio stations. http://en.wikipedia.org/wiki/History_of_mobile_phones
Mobile evolution small square First Generation Cell phone networks The first commercially automated cellular network (the 1G generation) was launched in Japan in 1979. Canada launched their 1G networks in the 1980's. The technological development that distinguished the First Generation of mobile phones from the previous generation was the use of multiple cell sites, and the ability to transfer calls from one site to the next as the user travelled between cells during a conversation.
Nokia5220xp small square Second generation Cell phone networks In the 1990's the 2nd generation mobile phones emerged. The second generation introduced text messaging. 2G also introduced the ability to access media on mobile phones.
Bagphone small square Bag Phones Bag Phones were manufactured from 1992-2000. The company that manufactured the bag phone was Motorola. When cell phones were invented they became out of style. http://en.wikipedia.org/wiki/Motorola_Bag_Phone
Blackberry small square Blackberry was invented Blackberries were designed and devoloped by a Canadian company. Was first introduced as a 2 way pager. In 2003 the most commonly known blackberry smartphone was released. http://en.wikipedia.org/wiki/Blackberry
96471 apple iphone 3g small square Third Generation Cell phone network The main difference between 3G technology from 2G technology is the use of packet switching rather than circuit switching for data transmission. The first 3G network was launched in Japan. By the end of 2007 there was 295 million subscribers on the 3G network. http://en.wikipedia.org/wiki/History_of_mobile_phones
Htc evo 4g phone 4g handset with hd capability small square Fourth generation Cell phone networks The main ways in which 4G differed technologically from 3G was in its elimination of circuit switching, instead employing an all-IP network. 4G is faster then the previous networks. http://en.wikipedia.org/wiki/History_of_mobile_phones
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