Outstanding Young Scientist, Inc. (OYSI) Annual Convention

Monday, June 25, 2012 12:54 AM    Views : 1076
S & T Trivia

" Camilo M. Tabalba, a Filipino engineer, headed a team to make the telephone electronic in 1970. By 1975, he published his findings, including the development of the dynamic transducer (a transmission circuit replacing the carbon transmitter). His work helped in the development of the modern Touchtone phone. "

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