Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency
Patent
1988-10-17
1989-12-19
Griffin, Robert L.
Telecommunications
Receiver or analog modulated signal frequency converter
Signal selection based on frequency
455612, 455615, H04B 900
Patent
active
048888176
ABSTRACT:
A polarization diversity light receiving system using base combining is disclosed, which is arranged so that the control signal for the local oscillator laser is the sum of squared values of received signals.
REFERENCES:
patent: 4718120 (1988-01-01), Tzeng
patent: 4723315 (1988-02-01), Whetherell
Kazovsky et al., "Sensitivity Penalty in Multichannel Coherent Optical Communications", Journal of Lightwave Technology, vol. 6, #9,9-88, pp. 1353-1365.
Mochizuki Kiyofumi
Ryu Shiro
Beek Leslie Van
Burns Robert E.
Griffin Robert L.
Kokusai Denshin Denwa Kabushiki Kaisha
Lobato Emmanuel J.
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