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Class Information
Number: 398/1
Name: Optical communications > Fault recovery
Description: Subject matter wherein a corrective action is taken to return an inoperative or disfunctioning optical communication system or its component to a satisfactory operating condition.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6141142 |
Article comprising an L-Band optical fiber amplifier |
Oct. 31, 2000 |
| 6141357 |
Method and apparatus for controlling mobile receivers |
Oct. 31, 2000 |
| 6141467 |
Wavelength-division-multiplexing programmable add/drop using interleave-chirped waveguide grating router |
Oct. 31, 2000 |
| 6141131 |
Methods and apparatuses for high-speed control of lamp intensities and/or wavelengths and for high-speed optical data transmission |
Oct. 31, 2000 |
| 6141128 |
Buffered laser communication link |
Oct. 31, 2000 |
| 6137605 |
Output power control system for optical amplification repeater |
Oct. 24, 2000 |
| 6137604 |
Chromatic dispersion compensation in wavelength division multiplexed optical transmission systems |
Oct. 24, 2000 |
| 6137611 |
Suppression of coherent rayleigh noise in bidirectional communication systems |
Oct. 24, 2000 |
| 6137610 |
Optical synchronization arrangement |
Oct. 24, 2000 |
| 6137606 |
Optical wavelength router |
Oct. 24, 2000 |
| 6137932 |
Apparatus for controlling gain of an optical fiber amplifier and method thereof |
Oct. 24, 2000 |
| 6137927 |
N-port reconfigurable DWDM multiplexer and demultiplexer |
Oct. 24, 2000 |
| 6137613 |
Optical transmission apparatus in which light signal with selected wavelength is modulated with selected data signal |
Oct. 24, 2000 |
| 6137603 |
Optical network, optical division and insertion node and recovery system from network failure |
Oct. 24, 2000 |
| 6137607 |
Broadband communications method and apparatus for reducing optical beat interference |
Oct. 24, 2000 |
| 6137608 |
Optical network switching system |
Oct. 24, 2000 |
| 6137609 |
Over-the-horizon optical communications transceiver |
Oct. 24, 2000 |
| 6137612 |
Method and system for channelization and down conversion of wideband subscriber information signals |
Oct. 24, 2000 |
| 6134038 |
Optical signal for a soliton optical transmission system |
Oct. 17, 2000 |
| 6134031 |
Polarization control optical space switch |
Oct. 17, 2000 |
| 6134032 |
Method and apparatus for automatically identifying system faults in an optical communications system from repeater loop gain signatures |
Oct. 17, 2000 |
| 6134033 |
Method and apparatus for improving spectral efficiency in wavelength division multiplexed transmission systems |
Oct. 17, 2000 |
| 6134034 |
Apparatus and method for controlling power levels of individual signal lights of a wavelength division multiplexed signal light |
Oct. 17, 2000 |
| 6134035 |
Optical network termination unit of a hybrid fiber/coax access network |
Oct. 17, 2000 |
| 6134483 |
Method and apparatus for efficient GPS assistance in a communication system |
Oct. 17, 2000 |
| 6134361 |
Optical multiplexer/demultiplexer |
Oct. 17, 2000 |
| 6134037 |
Reduction of interferometer noise in an optical network |
Oct. 17, 2000 |
| 6134047 |
Optical amplifier designs for multichannel fiber optic communication networks |
Oct. 17, 2000 |
| 6134036 |
Add/drop multiplexer node |
Oct. 17, 2000 |
| 6130767 |
Method and apparatus for conditioning optical solitons |
Oct. 10, 2000 |
| 6130625 |
Universal remote control with incoming signal identification |
Oct. 10, 2000 |
| 6130764 |
Transmission apparatus in ring network |
Oct. 10, 2000 |
| 6130765 |
Drop/insert apparatus for dropping/inserting channels on a bidirectional multi-channel optical link |
Oct. 10, 2000 |
| 6130766 |
Polarization mode dispersion compensation via an automatic tracking of a principal state of polarization |
Oct. 10, 2000 |
| 6130971 |
Fiber optic dense wavelength division multiplexer with a phase differential method of wavelength separation utilizing a polarization beam splitter and a nonlinear interferometer |
Oct. 10, 2000 |
| 6127940 |
Infra-red secure remote controller |
Oct. 3, 2000 |
| 6128111 |
Monitoring of nonlinear effects |
Oct. 3, 2000 |
| 6128112 |
Weighted-sum processing method and apparatus for decoding digital signals |
Oct. 3, 2000 |
| 6128115 |
Optical switch device |
Oct. 3, 2000 |
| 6128114 |
Method of and system for transmitting data |
Oct. 3, 2000 |
| 6128113 |
Transparent optical communications switch |
Oct. 3, 2000 |
| 6128116 |
Retroreflective elevator hoistway position sensor |
Oct. 3, 2000 |
| 6128117 |
Computer system provided with infrared communication cable |
Oct. 3, 2000 |
| 6128118 |
Optical transmission systems using spectral inversion for dispersion and non-linearities compensation |
Oct. 3, 2000 |
| 6124959 |
Optical wavelength-division multiplexing transmission system |
Sep. 26, 2000 |
| 6124957 |
Optical signal translator unit |
Sep. 26, 2000 |
| 6124956 |
Optical transmitter output monitoring tap |
Sep. 26, 2000 |
| 6124804 |
Remote controller, remote control interface, and remote control system including a remote controller and a remote control interface |
Sep. 26, 2000 |
| 6125221 |
Three port optical filter |
Sep. 26, 2000 |
| 6124960 |
Transmission system with cross-phase modulation compensation |
Sep. 26, 2000 |
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