The Cell Phone Evolution Essay Example
The Cell Phone Evolution Essay Example

The Cell Phone Evolution Essay Example

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  • Pages: 4 (902 words)
  • Published: July 16, 2018
  • Type: Essay
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The invention of the telephone by Alexander Graham Bell in 1876 revolutionized communication, with its transformative impact on societies and interpersonal interaction. Over a century later, communication has undergone significant transformations.

According to Affordablephones.net (http://affordablephones.net/HistoryTelephone.htm), before the invention of the telephone, society relied solely on the telegraph for long-distance communication. However, as stated by research from http://www.unc.edu/~chelsea5/photoessay/, Morse code was used in the 1920s for transmitting messages through mobile radio communications. Furthermore, starting in 1921, Detroit Police adopted one-way mobile radios for officer communication.

The Morse code message was received by the receiver in the police car. To respond to the page, patrol officers would go to a wire-line telephone station at http://www.unc.edu/~chelsea5/photoessay/. A significant advancement in communication occurred in 1924 when Bell Laboratories created the first mobile, voice-based, two-way radio telephone ( ...

f="http://www.unc.edu/~chelsea5/photoessay/">http://www.unc.edu/~chelsea5/photoessay/). Radiotelephone usage continued during the 1930s and radio research for military purposes was conducted by the military during World War II (http://www.unc.edu/~chelsea5/photoessay/).

The "Walkie-Talkie", a portable FM two-way radio, was invented by Dan Moble in 1943 at Motorola. This handheld device played a vital role in communication during WWII (http://www.unc.edu/~chelsea5/photoessay/). D.H. Ring, an employee at Bell Laboratory, introduced the concept of cellular telephone service four years later in 1947 (http://www.unc.edu/~chelsea5/photoessay/). His idea involved dividing large service areas into smaller cells arranged in a hexagonal grid (www.historyofcellphones.net), allowing each cell to have its own transmitter instead of relying on a single transmitter for a large area.

Ring recognized that frequency bands would be more effectively utilized in a small circle rather than a large one, but the cellular grid network was ahead of its time due to technological restrictions.

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In the 1960s, the development of modern cell phones began with certain limitations (www.historyofcellphones.net). Back then, users were restricted to small areas called cell areas (www.historyofcellphones.net). If someone ventured outside of these areas, their call would be terminated.

Amos Joel, a Bell Lab employee, discovered a "handoff system" to address the latest issue. This system allowed calls to continue beyond set areas, enabling users to be mobile. AT&T requested the Federal Communications Committee (FCC) in 1971 to permit cellular service. However, the FCC took a decade to decide whether to allow this request due to AT&T and Motorola also vying to provide wireless service. AT&T again approached the FCC in 1982, requesting public cellular service and radio frequencies between 824 and 894 MHZ Band were allocated for this purpose. Initially, cell phones operated on analog services until they transitioned to digital and online operations after 1990. The first cell phone, the Motorola DynaTAC 8000X, was introduced by Dr. Martin Cooper in 1984.

In the early 80s, cell phones were primarily installed in cars and were not portable. These car phones looked like tote bags or briefcases and needed a car battery for power. They were called first-generation (1G) phones and used analogue signals. The introduction of 2G phones brought digital network signals and smaller mobile phones. This advancement also led to the emergence of SMS text messaging, with Finland sending the first text message in 1993. Since then, especially among younger individuals, text messaging has become the preferred communication method.

The emergence of 2G phones brought about a significant change in the media content that could be accessed through cell phones (www.historyofcellphones.org/). These phones were

smaller and lighter compared to their predecessors, the 1G phones, which eliminated the need for bulky battery packs. The size of 2G phones was further reduced due to technological advancements (www.historyofcellphones.net), making them highly portable and popular among the general public. Currently, our primary usage revolves around 3G phones, developed shortly after introducing 2G phones to meet the increasing demand. The features and specifications of 3G phones vary depending on the company and model. G phone models must adhere to specific requirements set by cell phone providers and networks (www.historyofcellphones.org/). These requirements mandate a minimum of 2 megabits of data for indoor use and a maximum of 284 Kbits for outdoor use (www.historyofcellphones.org/). With a wide range of available models, consumers have the freedom to choose a phone that best fits their lifestyle.

With the advancement of communication methods such as email, text messaging, and instant messaging, we can now connect with people no matter where they are. Moreover, international texting is available around the clock. Additionally, we can stay updated on current news through our mobile devices instead of having to wait until we get home to read a newspaper. Furthermore, we have the option to watch TV shows on our phones without being confined to our houses. The inclusion of keyboards in cell phones has made texting more convenient. Furthermore, modern cell phones have the capability to easily record videos and audio in color.

Cell phones have advanced significantly, enabling people to connect with others on social networks such as Facebook and MySpace through their mobile devices. The evolution of cell phones from large, analog signal "bricks" to their current state begs the

question of what lies ahead. Phone companies are engaged in a competitive race to offer cell phones that possess desired features for consumers. As long as there is a demand, cell phones will continue to drive the progress of communication in society.

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