Optical communications – Transmitter and receiver system – Including alignment between transmitter and receiver
Reexamination Certificate
2004-07-26
2010-10-05
Vanderpuye, Ken N (Department: 2613)
Optical communications
Transmitter and receiver system
Including alignment between transmitter and receiver
C398S131000, C398S130000, C398S129000, C398S158000
Reexamination Certificate
active
07809278
ABSTRACT:
A method of aligning optical data communication channels between system functions comprises: emitting an array of light beams from a corresponding array of data emitters in response to electrical data signals generated from a first system function; emitting light beams from two control emitters in response to electrical control signals generated from the first system function; receiving light beams from the data emitters by a corresponding array of data detectors to form an array of data optical communication channels; conducting electrical data signals reproduced from the received data emitter light beams to a second system function; receiving light beams from the two control emitters by two control detector sections to form two control optical communication channels; conducting electrical control signals reproduced from the received control emitter light beams to a second system function; monitoring a multiplicity of light detectors of each of the two control detector sections to determine an offset in optical channel alignment; and controlling the optical channel alignment based on the determined offset.
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Fenwick David Martin
Luebs Richard John
Morris Terrel L.
Wegher Duane A.
Yatter Jeffrey D.
Hewlett--Packard Development Company, L.P.
Vanderpuye Ken N
Woldekidan Hibret A
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