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Alexander Graham Bell created the first telephone, going off of the telegram. He created the Harmonic Telegraph, based on the ideal to send music notes through the same wire. Bell and his partner Watson discovered they were able to make a device that sends speech through electric currents.
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Alexander Bell and his father in law founded the American Telephone and Telegraph company, also known as AT&T.
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The first pay phone was invented by William Gray. The phone was operated by coins, out of the Hartford Bank.
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During the 1890s the candle stick phone and rotary dialing was created. The candle stick phone had one mouthpiece held up to your mouth and one receiver that was held up to your ear. By the 1930s these phones were out of style.
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These phones had buttons on them that you pressed to make a call instead of having the rotary dials. The phones had sounds and tones in the voice frequency range.
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This phone was installed in cars and not very many people had them. The reasoning behind this was that they were expensive and had a limited amount of talking time.
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Headsets for phones were made for the operators operating the phones. The operators had to multi-task and the headsets made is an easier and quicker job to get done. The headsets were not released to the public yet.
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These phones had a wider frequency to make calls without using so much power, and less problems.
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Finally a mobile phone that was made and widely used among the public. Wireless problems were fixed, and long distance calls were able to be made. However, the phones were large, heavy, and awkward.
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This phone had a touch screen and keyboard. The smartphone also carried basic apps for daily needs. These phones were well sold to the public.
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This smartphone was the first advanced BlackBerry. The phone had a color display and the first device to come out with wi-fi.
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The modern smartphones can do and hold so much information. These phones are operated by a touch screen and additional buttons on the side or back of the phone. They are light weight, thin, and portable.
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If this were to be developed in the future the phones would display holographics. Holograms would be projected through the phone by using a 3-d system
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Phones be developed with flexible screens. Advanced technology could possibly allow us to bend and fold our phones.
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Phones in the future might have the ability to 3-d print any object you want. You could download or find a picture of what you want, put it into an app on the phone, add supplies into the phone and wait for it to print.
