Search results
Results from the Tech24 Deals Content Network
The history of mobile phones covers mobile communication devices that connect wirelessly to the public switched telephone network. While the transmission of speech by signal has a long history, the first devices that were wireless, mobile, and also capable of connecting to the standard telephone network are much more recent.
20 March 1880: National Bell Telephone merges with others to form the American Bell Telephone Company. 1 April 1880: world's first wireless telephone call on Bell and Tainter's photophone (distant precursor to fiber-optic communications ) from the Franklin School in Washington, D.C. to the window of Bell's laboratory, 213 meters away.
Alexander Graham Bell was awarded the first U.S. patent for the invention of the telephone in 1876. Elisha Gray, 1876, designed a telephone using a water microphone in Highland Park, Illinois. Tivadar Puskás proposed the telephone switchboard exchange in 1876. Thomas Edison invented the carbon microphone which produced a strong telephone ...
Won’t fall out of my pocket while bicycling. Currently around 20,000, Migicovsky believes 50,000 is the sweet spot for convincing a manufacture to go all in on small. “Just back-of-the-napkin ...
There's no doubting that the 3GS was a solid phone for the times, but because many purchased the iPhone 3G with a two-year contract, the 3GS could be easily skipped. iPhone 3G. iPhone 3GS. Pricing ...
The funding has come almost exactly two years since Semperis raised a $200 million Series C. ... He feels it was early because cybersecurity simply was not as big of a deal just 10 years ago, and ...
Motorola DynaTAC. A DynaTAC 8000X; the first commercially available mobile phone from 1983. Martin Cooper of Motorola made the first publicized handheld mobile phone call on a prototype DynaTAC model on April 3, 1973. This is a reenactment in 2007. The DynaTAC is a series of cellular telephones manufactured by Motorola from 1983 to 1994.
To celebrate Engadget's 15th birthday, here are 15 things that didn't exist 15 years ago. Hold the world in your hand In the past, mobile phones could do mostly two things: make calls and send ...