Radiotelephone
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High Quality Content by WIKIPEDIA articles! A radiotelephone is a communications device that allows two or more people to talk using radio. There is disagreement about the definition of the term. There are also conflicts between British English usage, American English usage, and historic use. Radiophone was an alternate name for the photophone, an optical telephone invented jointly by Alexander Graham Bell and his then-assistant and future associate Charles Sumner Tainter on February 19, 1880. The device allowed for the transmission of sound on a beam of light. On April 1, 1880, Tainter transmitted the world's first wireless telephone message to Bell, on their newly invented form of telecommunication, the far advanced precursor to fiber-optic communications.
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GarantieWeitere Informationen
- Allgemeine Informationen
- GTIN 09786130412012
- Genre Technik
- Editor Lambert M. Surhone, Miriam T. Timpledon, Susan F. Marseken
- Anzahl Seiten 116
- Herausgeber Betascript Publishing
- EAN 9786130412012
- Format Kartonierter Einband
- Titel Radiotelephone
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