History of the first car phone

Mobile payments were trialed in in Finland and Sweden where a mobile phone was used to pay for a Coca-Cola vending machine and car parking. Commercial launches followed in in Norway. The first commercial payment system to mimic banks and credit cards was launched in the Philippines in simultaneously by mobile operators Globe and Smart.

History of Honda in America

As the use of 2G phones became more widespread and people began to use mobile phones in their daily lives, it became clear that demand for data such as access to browse the internet was growing. Further, experience from fixed broadband services showed there would also be an ever-increasing demand for greater data speeds. The 2G technology was nowhere near up to the job, so the industry began to work on the next generation of technology known as 3G.

The main technological difference that distinguishes 3G technology from 2G technology is the use of packet switching rather than circuit switching for data transmission. Inevitably this led to many competing standards with different contenders pushing their own technologies, and the vision of a single unified worldwide standard looked far from reality. All these were put in place to allow for low latency, low bit rate communications such as VoIP. Monet has since gone bankrupt.

During the development of 3G systems, 2. These provide some of the features of 3G without fulfilling the promised high data rates or full range of multimedia services. Just beyond these is the EDGE system which in theory covers the requirements for 3G system, but is so narrowly above these that any practical system would be sure to fall short. The high connection speeds of 3G technology enabled a transformation in the industry: for the first time, media streaming of radio and even television content to 3G handsets became possible, [54] with companies such as RealNetworks [55] and Disney [56] among the early pioneers in this type of offering.

In Japan and South Korea the market no longer supplies phones of the second generation.

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Although mobile phones had long had the ability to access data networks such as the Internet, it was not until the widespread availability of good quality 3G coverage in the mids decade that specialized devices appeared to access the mobile web. The first such devices, known as " dongles ", plugged directly into a computer through the USB port. Another new class of device appeared subsequently, the so-called " compact wireless router " such as the Novatel MiFi , which makes 3G Internet connectivity available to multiple computers simultaneously over Wi-Fi , rather than just to a single computer via a USB plug-in.

Such devices became especially popular for use with laptop computers due to the added portability they bestow. Consequently, some computer manufacturers started to embed the mobile data function directly into the laptop so a dongle or MiFi wasn't needed. Instead, the SIM card could be inserted directly into the device itself to access the mobile data services.

Such 3G-capable laptops became commonly known as "netbooks". Other types of data-aware devices followed in the netbook's footsteps. By , it had become clear that, at some point, 3G networks would be overwhelmed by the growth of bandwidth-intensive applications like streaming media. One of the main ways in which 4G differed technologically from 3G was in its elimination of circuit switching , instead employing an all-IP network. Before a universal charger standard was agreed upon in the late s users needed an adapter which was often proprietary by brand or manufacturer to charge their battery.

Apple 's iPhone is the sole major brand to retain its own interface pin dock connector replaced by Lightning in As well as the now-common cellular phone, there is also the very different approach of connecting directly from the handset to an Earth-orbiting satellite. Such mobile phones can be used in remote areas out of reach of wired networks or where construction of a cellular network is uneconomic. The Inmarsat system is the oldest, originally developed in for safety of life at sea, and uses a series of satellites in geostationary orbits to cover the majority of the globe.

Several smaller operators use the same approach with just one or two satellites to provide a regional service. An alternative approach is to use a series of low Earth orbit satellites much closer to Earth. This is the basis of the Iridium and Globalstar satellite phone services. From Wikipedia, the free encyclopedia. This section needs additional citations for verification.

Please help improve this article by adding citations to reliable sources.

The first car

Unsourced material may be challenged and removed. See also: Cellular network. Main article: 1G. Main articles: 2G , 2. Main article: 3G. Main article: 4G. Main article: 5G. Main article: Common external power supply. Main article: Satellite phone.

The Telegraph London. Retrieved 20 October San Francisco Call. Retrieved 21 October Retrieved 28 May United States Patent and Trademark Office. Retrieved 20 July Cambridge University Press. Retrieved 18 August Jayant World Scientific. CRC Press.

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Institute of Electrical and Electronics Engineers. Retrieved 29 July Archived from the original on 4 March Retrieved 24 April Gow, Richard K. Ring proposing hexagonal cells Archived 7 February at the Wayback Machine. Retrieved on Fluhr and E. Technology Base of mobile cellular operators in Germany and China.

Retrieved 30 December A Journey through Time. BBC News. Motorola Communications Division press release. Retrieved 23 March Mitchell Biography. Mitchell, — Was president of Motorola from to '95". Chicago Tribune. Associated Press. Retrieved 21 March Kling, Andrew Cell Phones. Retrieved 16 October Archived from the original on 28 April Media Week. Archived from the original on 2 September Purdue School of Engineering.

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Retrieved 23 April Archived from the original on 28 May Retrieved 16 August Retrieved 7 August EE Times. Retrieved 25 August Dian yuan. Wireless Net DesignLine. Retrieved 22 June Retrieved 26 November GSM World. Open Mobile Terminal Platform. Archived from the original on 29 March Retrieved 11 February GSM world. Planet Analog. EU: EC.

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    Views Read Edit View history. By using this site, you agree to the Terms of Use and Privacy Policy. By gasoline cars became larger and more powerful, and some had folding tops to keep drivers and passengers out of the rain. A steam car burned fuel that heated water in a boiler. This process made steam that expanded and pushed pistons, which turned a crankshaft.

    An electric car had a battery that powered a small electric motor, which turned a drive shaft. A gasoline car ignited fuel that caused a small explosion inside each cylinder. This explosion pushed the piston and turned a crankshaft connected to the wheels by a chain or drive shaft. In wealthy people bought cars for pleasure, comfort, and status. Many doctors bought small, affordable cars because they were more dependable than horses and easier to keep ready.

    Rural Americans liked cars because they could cover long distances without depending on trains. They carried produce to market, went to stores and movies in town, and even used their cars to plow fields.

    Timeline: History of the Electric Car

    Families in towns and cities liked cars because they were handy for errands, going to the train station, visiting relatives, going to church, and going on drives in the country. Young people liked cars because they could go to movies, restaurants, and other fun places instead of staying at home with their parents. Cars are fast, comfortable, nice looking, and fun to drive. They can go almost anywhere, and they are always ready for use. In many ways, driving is easier than walking, biking, or riding in a train, bus, or airplane.

    But owning a car is a big responsibility. It takes a lot of money to buy one and keep it running, and drivers must be trained, licensed, and always alert to avoid mistakes and accidents. It takes a lot of space to park cars, and too many cars cause congestion on roads and in parking lots. For most Americans, cars are a favorite way to travel, but there will always be a need for other types of transportation.

    Courtesy of the National Museum of American History. The Ford Model T, made between and , cost less than other cars, but it was sturdy and practical. It ran well on dirt roads and fields because it could twist as it rolled over bumps.

    The Model T looked like an expensive car but actually was very simply equipped. From to , it only came in black because black paint dried faster than other colors, making it possible to build and sell more Model Ts. For all of these reasons, more Model Ts were sold than any other type of car at the time—a total of just over 15 million. Farmers, factory workers, school teachers, and many other Americans changed from horses or trains to cars when they bought Model Ts. The gasoline engine has been reliable, practical, and fairly efficient since about