Optical-signal transmission apparatus and method, and signal processing apparatus
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United States of America Patent
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Apr 2, 2002
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N/A
app pub date -
Nov 5, 1998
filing date -
Nov 10, 1997
priority date (Note) -
Expired
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Abstract
An optical-signal transmission apparatus and method for optical-signal transmission, or a signal processing apparatus for signal processing including optical-signal transmission. A number of terminals (circuit boards and the like) are connected, and communication can be freely performed among the terminals. A plurality of transmission nodes input optical signals having different light intensity levels into an optical transmission medium. A desired signal is separated and extracted from a multiplex signal where these optical signals transmitted from a reception node are overlaid.
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