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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 |
| 6097330 |
Optical friendly fire avoidance system |
Aug. 1, 2000 |
| 6097516 |
Optical add drop multiplex (OADM) |
Aug. 1, 2000 |
| 6097517 |
Wavelength router |
Aug. 1, 2000 |
| 6097865 |
Design and method for planar coupled waveguide filter |
Aug. 1, 2000 |
| 6097862 |
Optical fiber grating devices with enhanced sensitivity cladding for reconfigurability |
Aug. 1, 2000 |
| 6097696 |
Optical layer quasi-centralized restoration |
Aug. 1, 2000 |
| 6097535 |
Method for optical amplification and system for carrying out the method |
Aug. 1, 2000 |
| 6097534 |
Optical amplifier system generating high optical output level |
Aug. 1, 2000 |
| 6097533 |
Optical amplifier for CATV system with forward and reverse paths |
Aug. 1, 2000 |
| 6097518 |
N x M optical wavelength routing switch |
Aug. 1, 2000 |
| 6097525 |
Method for generating duobinary signal and optical transmitter using the same method |
Aug. 1, 2000 |
| 6097524 |
Optical communication systems |
Aug. 1, 2000 |
| 6097523 |
Optical systems with one or more stabilized laser signal sources |
Aug. 1, 2000 |
| 6097522 |
Method and device for aligning an optical transmission and reception beam in satellite connections |
Aug. 1, 2000 |
| 6097521 |
Optoelectronic module for bidirectional optical data transmission |
Aug. 1, 2000 |
| 6097529 |
Apparatus for enhancing extinction ratio in optical NRZ-to-RZ converting system, and optical modulation system therefor |
Aug. 1, 2000 |
| 6097515 |
Switchable optical network unit |
Aug. 1, 2000 |
| 6094514 |
Gain measuring apparatus of a multi-channel optical fiber amplifier |
Jul. 25, 2000 |
| 6094442 |
Optical path signal termination equipment |
Jul. 25, 2000 |
| 6094298 |
Erbium-doped fiber amplifier with automatic gain control |
Jul. 25, 2000 |
| 6094296 |
Optical amplification apparatus |
Jul. 25, 2000 |
| 6094285 |
All optical RF signal channelizer |
Jul. 25, 2000 |
| 6094148 |
Vehicular emergency vehicle alarm apparatus |
Jul. 25, 2000 |
| 6094284 |
Optical systems with grating reflector |
Jul. 25, 2000 |
| 6094238 |
Apparatus and method for time base compensated infrared data transmission |
Jul. 25, 2000 |
| 6091535 |
Optical transmitter and optical transmission system with switchable chirp polarity |
Jul. 18, 2000 |
| 6091538 |
Gain equalizing apparatus |
Jul. 18, 2000 |
| 6091539 |
Optical amplifier apparatus and control method thereof, and optical transmission system using optical amplifier apparatus |
Jul. 18, 2000 |
| 6091540 |
Optical amplifier |
Jul. 18, 2000 |
| 6091541 |
Multichannel 3-stage optical fiber amplifier |
Jul. 18, 2000 |
| 6091542 |
Optical fiber amplifier for amplifying signal lights propagating in two opposite directions |
Jul. 18, 2000 |
| 6091525 |
Spectral monitoring device and method using data correlation for WDM systems |
Jul. 18, 2000 |
| 6091524 |
Optical switch |
Jul. 18, 2000 |
| 6091869 |
Low loss, optical add/drop WDM node |
Jul. 18, 2000 |
| 6091522 |
Acousto-optic channelizer-based ultra-wideband signal processor |
Jul. 18, 2000 |
| 6091074 |
System for directing a laser beam toward an active area |
Jul. 18, 2000 |
| 6091527 |
Communications device having an optical bus, and a method for controlling its operation |
Jul. 18, 2000 |
| 6091528 |
Optical communication system of space propagation type |
Jul. 18, 2000 |
| 6091529 |
Channel allocation method in connection with data transmissions in the optical frequency range |
Jul. 18, 2000 |
| 6091530 |
Low power infrared communication system |
Jul. 18, 2000 |
| 6091531 |
Differential charge and dump optoelectronic receiver |
Jul. 18, 2000 |
| 6091526 |
Light source device for frequency division multiplexed optical communications |
Jul. 18, 2000 |
| 6088141 |
Self-healing network |
Jul. 11, 2000 |
| 6088142 |
System and method for precision wavelength monitoring |
Jul. 11, 2000 |
| 6086776 |
Hybrid optical multi-axis beam steering apparatus |
Jul. 11, 2000 |
| 6088493 |
Fiber shuffle interconnection apparatus and method |
Jul. 11, 2000 |
| 6088152 |
Optical amplifier arranged to offset Raman gain |
Jul. 11, 2000 |
| 6088147 |
Method and apparatus for transmitting signals in an optical fiber |
Jul. 11, 2000 |
| 6087899 |
Optical transmitter module, and semiconductor integrated circuit capable of increasing gain and band of amplifier constructed from FET |
Jul. 11, 2000 |
| 6088144 |
Detection of frequency-modulated tones in electromagnetic signals |
Jul. 11, 2000 |
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