Sentence examples for cell phone demonstration from inspiring English sources
Most notably, it led the creation of the global cellular telephone industry, installing the first prototype cell phone demonstration system in Washington, DC in 1971; unveiling the first portable cell phone prototype, the DynaTAC, in 1973; enabling the first commercial cell phone call, made on the DynaTAC by Ameritech, in 1983; and introducing MicroTAC, the first compact cell phone, in 1989.
It installed the first prototype cell phone demonstration system in Washington DC in 1971; unveiled the first portable cell phone prototype, the DynaTAC, in 1973; enabled the first commercial cell phone call, which was made on the DynaTAC by Ameritech, in Chicago in 1983; and introduced MicroTAC, the industry's first compact cell phone, in 1989.
(There's a good-natured rule for spectators, too: if a cell phone rings during the demonstrations, the producers get to keep it).
Mr. Vallone, who offered his own demonstration of a cell phone attached to an earpiece, struggled to untangle its two-foot-long wire, which lay in a jumble on his podium.
The famed hacker group has been protesting BART since the organization shut off cell phone service in stations to avert a demonstration on August 11.
An officer walked up to the demonstration, took a few pictures on his cell phone, and walked back down the hill to his car.
