Optical path switching device

Details Optical path switching device Optical path switching device

2005-09-13

2005-09-13

Sedighian, M. R. (Department: 2633)

Optical communications

Multiplex

Optical switching

C398S049000, C398S077000, C398S078000

Reexamination Certificate

active

06944400

ABSTRACT:
An optical path switching device is provided whereby changeover of optical path can be achieved with higher speed than conventionally. In this optical path switching device, a plurality of despreaders and a plurality of spreaders are connected in a prescribed corresponding relationship, extraction of a desired code path signal from a code division multiplexing signal that is input from an input circuit is performed, by means of despreaders that are capable of code selection and/or setting to OFF, and the extracted code path signal is given a new code by a spreader and output to an output circuit.

REFERENCES:
patent: 6212174 (2001-04-01), Lomp et al.

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