Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency
Patent
1984-08-24
1986-04-22
Griffin, Robert L.
Telecommunications
Receiver or analog modulated signal frequency converter
Signal selection based on frequency
455609, 364200, 364900, 34082564, 307518, H04B 900, G06F 300
Patent
active
045847193
ABSTRACT:
Workstations may advantageously be interconnected in a cluster arrangement wherein multiple "slave" stations utilize the database which exists in a "master" unit. The cluster interface has been implemented as a wired system but the latter involves significant limitations as to distance between units, electrical noise restricting data transmission rates and the protection of sensitive data from compromise. The fiber optic interface module of the present invention eliminates the foregoing limitations by translating the electrical signals of the wired system into optical signals for transmission and restoring them to electrical signals at a receiving unit.
REFERENCES:
patent: 4003032 (1977-01-01), Austin et al.
patent: 4047159 (1977-09-01), Boudry
patent: 4208724 (1980-06-01), Rattlingourd
patent: 4282604 (1981-08-01), Jefferson
patent: 4441162 (1984-04-01), Lillie
patent: 4451916 (1984-05-01), Casper et al.
Greer Timothy K.
Griffin Robert L.
Peterson Kevin R.
System Development Corp.
Varallo Francis A.
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