Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency
Patent
1988-11-25
1990-11-06
Tarcza, Thomas H.
Telecommunications
Receiver or analog modulated signal frequency converter
Signal selection based on frequency
455610, 455611, 455612, 455617, 455618, 455619, G02F 100
Patent
active
H00008508
ABSTRACT:
A master/slave opto-electrical telephone communication system utilizes a single optical fiber line to transmit out to the subordinate or slave unit from the superior or master unit two light energy carrier waves of different wavelengths, one being modulated and the other unmodulated. At the slave station, the modulated wave is demodulated and translated into sensible signals and the unmodulated wave is modulated and retransmitted to the master station where it is demodulated and translated into sensible indicia.
Maikis Robert A.
Tarcza Thomas H.
Wallace Linda J.
Zelenka Michael
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