OPTICAL TRANSMISSION LINE MONITORING APPARATUS AND RECEIVING STATION
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Jun 6, 2002
app pub date -
Jun 9, 1998
filing date -
Jun 11, 1997
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An optical transmission line monitoring apparatus, comprising: monitor wavelength extracting means for extracting a predetermined monitor wavelength from input light; and judging means for judging whether any trouble is present in the optical transmission system by comparing the intensity of output light from said monitor wavelength extracting means with a predetermined threshold value.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully