DIGITAL LIGHTWAVE, INC.
Patent Owner
Stats
- 1 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Nov 04, 2003 most recent publication
Details
- 1 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 386 Total Citation Count
- Mar 19, 1996 Earliest Filing
- 18 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
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Recent Patents
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Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
6577786 Device and method for optical performance monitoring in an optical communications networkExpiredNov 28, 00Jun 10, 03[G02B]
6570652 Athermalization and pressure desensitization of diffraction grating based spectrometer devicesExpiredNov 28, 00May 27, 03[G01J]
6556297 Athermalization and pressure desensitization of diffraction grating based spectrometer devicesExpiredNov 28, 00Apr 29, 03[G01J]
2003/0030,862 Device and method for monitoring signal characteristics of optical signals in an optical communications networkAbandonedJun 03, 02Feb 13, 03[H04B]
2003/0007,206 Device and method for monitoring optical signals with increased dynamic rangeAbandonedJun 03, 02Jan 09, 03[H04B, H04J]
6480648 Technique for detecting the status of WDM optical signalsExpiredMay 26, 00Nov 12, 02[G02B, H04J]
2002/0159,112 Device and method for reducing polarization dependent loss in an optical monitor deviceAbandonedApr 12, 02Oct 31, 02[H04B]
6449068 Optical power managed network node for processing dense wavelength division multiplexed optical signalsExpiredMar 06, 01Sep 10, 02[H04B]
2002/0063,923 System and method for improving optical signal-to-noise ratio measurement range of a monitoring deviceAbandonedJun 18, 01May 30, 02[H04B, H04J]
6342004 Automatic fire shutter mechanism for rack mounted chassis systemsExpiredMar 01, 00Jan 29, 02[H05K]
2001/0048,537 Device and method for monitoring signal direction in an optical communications networkAbandonedMay 31, 01Dec 06, 01[H04B, H04J]
6098028 Communication line test apparatus with an improved graphical user interfaceExpiredMay 01, 98Aug 01, 00[G06F]
5808920 Communications line test apparatus with an improved graphical user interfaceExpiredMar 19, 96Sep 15, 98[H04M, G06F, H04J]
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