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Definition of "Flat Rate Service" |
A phone company designation indicating that an unlimited number of local and/or long distance calls are included in the monthly service fee. / The first microphone transmitter that enabled proper voice telephony was the carbon microphone then called transmitter. This was independently developed by David Edward Hughes in England and Emile Berliner and Thomas Edison in the US. Although Edison was awarded the first patent in mid-1877, Hughes had demonstrated his working device in front of many witnesses some years earlier, and most historians. credit him with its invention. |
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