OPTICAL TRANSMITTING DEVICE, FAULT DETERMINING METHOD AND FAULT DIAGNOSIS SYSTEM

An optical transmitting device includes: a light source; an optical modulator configured to modulate light from the light source based on an electric signal corresponding to transmission data, and output an optical signal based on the electric signal; a measuring section configured to measure power...

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1. Verfasser:	TSURUMI TSUTOMU
Format:	Patent
Sprache:	eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TRANSMISSION
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creator	TSURUMI TSUTOMU
description	An optical transmitting device includes: a light source; an optical modulator configured to modulate light from the light source based on an electric signal corresponding to transmission data, and output an optical signal based on the electric signal; a measuring section configured to measure power of the optical signal in each of measurement bands which are different from with each other and narrower than a frequency band of the modulated optical signal; a determining section configured to determine whether or not the measured power is within a power range in each of the measurement bands; and an output section configured to output fault information indicating a fault in the optical modulator when the measured power is not within the power range.
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an optical modulator configured to modulate light from the light source based on an electric signal corresponding to transmission data, and output an optical signal based on the electric signal; a measuring section configured to measure power of the optical signal in each of measurement bands which are different from with each other and narrower than a frequency band of the modulated optical signal; a determining section configured to determine whether or not the measured power is within a power range in each of the measurement bands; and an output section configured to output fault information indicating a fault in the optical modulator when the measured power is not within the power range.</abstract><oa>free_for_read</oa></addata></record>
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subjects	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TRANSMISSION
title	OPTICAL TRANSMITTING DEVICE, FAULT DETERMINING METHOD AND FAULT DIAGNOSIS SYSTEM
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