Telephone (Alexander Graham Bell)

Telephone (Alexander Graham Bell)

The device that transmits human voice as electrical signals was invented by Bell in 1876.

Technologija

Raktiniai žodžiai

Telefonas, Varpas, Telefono aparatas, perdavimo aparatas, Imtuvo blokas, telefono skambutis, Telefono ryšys, Telekomunikacijos, Patentas, Mikrofonas, garso kokybė, technologija

Susiję elementai

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