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The first successful bi-directional transmission of clear speech by Bell and Watson was made on March 10, 1876 when Bell spoke into the device, “Mr. Watson, come here, I want to see you.” and Watson answered.
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The search for a long distance transmission took a major step forward with this model, whose platinum diaphragm improved clarity.
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Improving telephone service is a constant goal. At first, they used the wet battery which caused leaks, then came the dry battery, which created acid on it. This model received its power from the telephone exchange.
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After catching up with the immense backlog of work caused by the war, the Bell System brought out this new model with improved talking and hearing qualities and an adjustable volume control for the bell.
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The Bell System heralded a new era in telephoning services with push-button calling.
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Called the Motorola DynaTAC 8000X was the first commercially available mobile phone. This phone had 30 minutes of talk time and cost about $2,000.
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BellSouth was the first company to deploy caller ID in December 1988 in Memphis, Tennessee.
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The Sanyo SCP-5300 was the first phone to include a camera. It could take a 640 x 480 pixel photo and could only store 10 to 15 photos.
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The Motorola RAZR represented the culmination of the flip phone. At just 0.54 inches thin, the RAZR was as much a fashion device as a cell phone.
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In 2007, Apple brought the smartphone to the masses. With its intuitive touchscreen, intelligent sensors and sleek design, the IPhone has been a great success
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Apple introduced the IPhone 3G in 21 different countries with networking twice as fast as its predecessor.
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The bigger and better IPhone 6 and 6 Plus go on sale worldwide.
