Optical: systems and elements – Deflection using a moving element – Using a periodically moving element
Patent
1990-03-13
1992-12-15
Coles, Sr., Edward L.
Optical: systems and elements
Deflection using a moving element
Using a periodically moving element
359158, 375 3, H04B 1002
Patent
active
051722607
ABSTRACT:
The present invention concerns the use of optical regenerator equipment for dropping and inserting such things as monitor station data along with a phase compensation method for the regenerator equipment. The optical/electrical converter, which is input with an optical signal, changes it into an electrical signal of first and second parallel data, the first parallel data is input to the multiplexer and the second parallel data is input to the electrical/optical convertor. The clock signal that has been extracted from the optical signal is input to the electrical/optical convertor by using the PLL function which can be an internal of external part of the electrical/optical convertor. The electrical/optical convertor is synchronized with the clock signal, that has been input to it, and changes the various input signals from the multiplexer and optical/electrical convertor into optical signals to output them.
REFERENCES:
patent: 4019048 (1977-04-01), Maione et al.
patent: 4503532 (1985-03-01), Page
patent: 4586186 (1986-04-01), Anderson
patent: 4727592 (1988-02-01), Okada et al.
patent: 4847831 (1989-07-01), Spiesman et al.
Coles Sr. Edward L.
Fujitsu Limited
Negash Kinfe-Michael
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