Assignee
TYCOM US INC
US·43 granted patents·1 pending application·1,351 citations·filing 1997–2001
Top patents by PatentIndex Score
44 records- 0195US6496629B2Undersea telecommunications cableTYCOM US INC·Filed 1999·Granted Dec 17, 2002·273 cites·20 claims
- 0293US6341023B1Multiple level modulation in a wavelength-division multiplexing (WDM) systemsTYCOM US INC·Filed 1999·Granted Jan 22, 2002·126 cites·29 claims
- 0391US6320884B1Wide bandwidth Raman amplifier employing a pump unit generating a plurality of wavelengthsTYCOM US INC·Filed 1998·Granted Nov 20, 2001·95 cites·14 claims
- 0488US6181464B1Low noise Raman amplifier employing bidirectional pumping and an optical transmission system incorporating sameTYCOM US INC·Filed 1998·Granted Jan 30, 2001·78 cites·24 claims
- 0587US6424455B1Wide bandwidth fiber raman amplifierTYCOM US INC·Filed 2000·Granted Jul 23, 2002·40 cites·19 claims
- 0687US6342961B1Method and apparatus for improving spectral efficiency in wavelength division multiplexed transmission systemsTYCOM US INC·Filed 2000·Granted Jan 29, 2002·23 cites·27 claims
- 0785US6414786B1Method and apparatus for reducing polarization dependent gain in Raman amplificationTYCOM US INC·Filed 2000·Granted Jul 2, 2002·41 cites·29 claims
- 0885US6396624B1Extended band erbium doped fiber amplifierTYCOM US INC·Filed 2000·Granted May 28, 2002·22 cites·12 claims
- 0981US6366381B1Remote monitoring of an optical transmission system using line monitoring signalsTYCOM US INC·Filed 2000·Granted Apr 2, 2002·22 cites·8 claims
- 1077US6384962B1Method and apparatus to perform automatic gain equalization using raman amplifiersTYCOM US INC·Filed 2000·Granted May 7, 2002·18 cites·14 claims
- 1177US6381394B1Method and apparatus for assembling an amplifier assemblyTYCOM US INC·Filed 1999·Granted Apr 30, 2002·52 cites·24 claims
- 1275US6424761B1Cable repeater connecting jointTYCOM US INC·Filed 2001·Granted Jul 23, 2002·18 cites·21 claims
- 1374US6349161B1Undersea communications cable having centrally located, plastic buffer tubeTYCOM US INC·Filed 1999·Granted Feb 19, 2002·42 cites·6 claims
- 1474US6323981B1Method and apparatus for detecting intermittent faults in an optical communication systemTYCOM US INC·Filed 1998·Granted Nov 27, 2001·50 cites·30 claims
- 1571US6259543B1Efficient method for assessing the system performance of an optical transmission system while accounting for penalties arising from nonlinear interactionsTYCOM US INC·Filed 1999·Granted Jul 10, 2001·44 cites·6 claims
- 1668US6414775B1Method and apparatus for measuring gain shape in an optical repeater using FM modulationTYCOM US INC·Filed 1998·Granted Jul 2, 2002·38 cites·11 claims
- 1766US6307667B1Gain-clamped erbium-doped fiber amplifier with pulsed compensating laser signalTYCOM US INC·Filed 1999·Granted Oct 23, 2001·32 cites·36 claims
- 1863US6311002B1Method and apparatus for reducing nonlinear penalties by proper arrangement of the dispersion map in an optical communication systemTYCOM US INC·Filed 1998·Granted Oct 30, 2001·30 cites·15 claims
- 1962US6317238B1Chromatic dispersion management for optical wavelength division multiplexed transmission systemsTYCOM US INC·Filed 1997·Granted Nov 13, 2001·26 cites·31 claims
- 2060US6327250B1Method and apparatus for supressing crosstalk between data and monitoring channel in an optical communication systemTYCOM US INC·Filed 1998·Granted Dec 4, 2001·28 cites·26 claims
- 2157US6304351B1Universal branching unitTYCOM US INC·Filed 1998·Granted Oct 16, 2001·19 cites·13 claims
- 2254US6269515B1Apparatus for cleaning an optical fiber splicer electrodeTYCOM US INC·Filed 1999·Granted Aug 7, 2001·29 cites·11 claims
- 2352US6404527B1Method and apparatus for transmitting a response signal from an optical repeater to a terminal requesting status informationTYCOM US INC·Filed 1999·Granted Jun 11, 2002·20 cites·21 claims
- 2452US6396991B1Fiber transport holding device and methodTYCOM US INC·Filed 2000·Granted May 28, 2002·5 cites·46 claims
- 2552US6295901B1Method and apparatus for coupling a fiber optic connectorTYCOM US INC·Filed 1999·Granted Oct 2, 2001·18 cites·7 claims
- 2652US6273941B1Desiccant package having a controllable permeation rate for high reliability applicationsTYCOM US INC·Filed 1998·Granted Aug 14, 2001·17 cites·13 claims
- 2751US6452707B1Method and apparatus for improving spectral efficiency in fiber-optic communication systemsTYCOM US INC·Filed 1999·Granted Sep 17, 2002·16 cites·32 claims
- 2849US6411413B1Method and apparatus for performing dispersion compensation without a change in polarization and a transmitter incorporating sameTYCOM US INC·Filed 1998·Granted Jun 25, 2002·16 cites·25 claims
- 2948US6381065B1Optical pump unit for an optical amplifierTYCOM US INC·Filed 1999·Granted Apr 30, 2002·18 cites·7 claims
- 3045US6438300B1Fiber retaining systemTYCOM US INC·Filed 1999·Granted Aug 20, 2002·12 cites·35 claims
- 3145US6377735B1Fiber retaining systemTYCOM US INC·Filed 1999·Granted Apr 23, 2002·12 cites·33 claims
- 3245US6322019B1Device for covering a jacketed fiber storage spaceTYCOM US INC·Filed 1999·Granted Nov 27, 2001·12 cites·21 claims
- 3344US6407842B1Method and apparatus for transmitting a WDM optical signal having nonuniform channel spacingsTYCOM US INC·Filed 1998·Granted Jun 18, 2002·13 cites·19 claims
- 3442US6289724B1Method and apparatus for examining internal components of a sealed containerTYCOM US INC·Filed 1999·Granted Sep 18, 2001·15 cites·19 claims
- 3538US6330390B1Device for winding optical fibersTYCOM US INC·Filed 1999·Granted Dec 11, 2001·7 cites·8 claims
- 3636US6347760B1Device for storing optical fibersTYCOM US INC·Filed 1999·Granted Feb 19, 2002·6 cites·87 claims
- 3735US2002056064A1Method and apparatus for enhanced forward error correction in networkTYCOM US INC·Filed 2001·Application pending·0 cites
- 3833US6343761B1Device for separating portions of spooled optical fibersTYCOM US INC·Filed 1999·Granted Feb 5, 2002·4 cites·26 claims
- 3932US6367730B1Device for storing optical fibersTYCOM US INC·Filed 1999·Granted Apr 9, 2002·4 cites·25 claims
- 4028US6355886B1Undersea trunk-and-branch logical ring networksTYCOM US INC·Filed 1999·Granted Mar 12, 2002·0 cites·13 claims
- 4125US6313959B1Method and apparatus for mounting an optical elementTYCOM US INC·Filed 1999·Granted Nov 6, 2001·5 cites·24 claims
- 4224US6367331B1Method of forming a sealTYCOM US INC·Filed 1999·Granted Apr 9, 2002·3 cites·18 claims
- 4322US6358085B1Connector assemblyTYCOM US INC·Filed 1999·Granted Mar 19, 2002·2 cites·8 claims
- 4419US6356698B1Optical tray coverTYCOM US INC·Filed 1999·Granted Mar 12, 2002·0 cites·21 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →