Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency
Patent
1980-08-26
1983-12-20
Orsino, Jr., Joseph A.
Telecommunications
Receiver or analog modulated signal frequency converter
Signal selection based on frequency
370 3, 455610, 455612, H04B 900
Patent
active
044221819
ABSTRACT:
A bi-directional fibre-optic coupler providing about 70 dB to about 100 dB isolation from near end transmitter radiation in a system that transmits signals in opposite directions over a single fibre and thereby provides a low-loss coupler having operational characteristics to handle reception and transmission with sufficiently low value of crosstalk.
REFERENCES:
patent: 3504182 (1970-03-01), Pizurro et al.
patent: 3953727 (1976-04-01), d'Auria et al.
patent: 4021099 (1977-05-01), Kawasaki et al.
patent: 4154529 (1979-05-01), Dyott
patent: 4207561 (1980-06-01), Steensma
patent: 4262362 (1981-04-01), Kiernan et al.
Miller-Optically Powered Speech Communication Over A Fiber Light Guide-BSSep. 1979, pp. 1735-1741.
Grafton David A.
Hochberg Eric B.
Purkis Ronald E.
Bellamy Werten F. W.
Deaton James T.
Gapcynski William G.
Orsino Jr. Joseph A.
The United States of America as represented by the Secretary of
LandOfFree
Bi-directional fibre-optic coupler does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Bi-directional fibre-optic coupler, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Bi-directional fibre-optic coupler will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-111315