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Class Information
Number: 398/82
Name: Optical communications > Multiplex > Wavelength division or frequency division (e.g., raman, brillouin, etc.) > By optical coupling
Description: Subject matter wherein multiplexing is accomplished by optical device which permits the transfer of light from one element to another.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7610771 |
Refrigerating apparatus and refrigerator |
Nov. 3, 2009 |
| 7613396 |
Multiplexing communication system and crosstalk elimination method |
Nov. 3, 2009 |
| 7613398 |
Wavelength-tunable light source and wavelength-division multiplexed transmission system using the source |
Nov. 3, 2009 |
| 7609970 |
Add/drop node for an optical communications network |
Oct. 27, 2009 |
| 7596318 |
Addressing method of quanta network and quanta network router |
Sep. 29, 2009 |
| 7587138 |
Broadband 2.times.2 optical splitter |
Sep. 8, 2009 |
| 7587137 |
System and method for seamless integration of CWDM and DWDM technologies on a fiber optics infrastructure |
Sep. 8, 2009 |
| 7579609 |
Coupling light of light emitting resonator to waveguide |
Aug. 25, 2009 |
| 7577370 |
Method and apparatus for extracting optical clock signal |
Aug. 18, 2009 |
| 7574136 |
Wavelength real time display on the equipment for WDM optical networking systems with wavelength tunable capability |
Aug. 11, 2009 |
| 7565079 |
System and method for optical network demarcation |
Jul. 21, 2009 |
| 7561801 |
Optical transceiver with electrical ring distribution interface |
Jul. 14, 2009 |
| 7556439 |
Bidirectional optical assembly and method for manufacturing the same |
Jul. 7, 2009 |
| 7555178 |
Periodic optical filter |
Jun. 30, 2009 |
| 7555220 |
Chromatic dispersion compensator (CDC) in a photonic integrated circuit (PIC) chip and method of operation |
Jun. 30, 2009 |
| 7551855 |
D(WDM) communications network employing periodic spectral multiplex processing |
Jun. 23, 2009 |
| 7546037 |
Topologically multiplexed optical data communication |
Jun. 9, 2009 |
| 7542678 |
Method and apparatus for a supervisory channel in a WDM fiber-optic communication system |
Jun. 2, 2009 |
| 7538935 |
All-optical, continuously tunable, pulse delay generator using wavelength conversion and dispersion |
May. 26, 2009 |
| 7539418 |
Integrated ring modulator array WDM transceiver |
May. 26, 2009 |
| 7529441 |
Wavelength routing optical switch |
May. 5, 2009 |
| 7519296 |
Optical demultiplexing method and optical multiplexing method, and optical transmission apparatus using same |
Apr. 14, 2009 |
| 7515833 |
Optical double sideband modulation technique with increased spectral efficiency |
Apr. 7, 2009 |
| 7515828 |
System and method for implementing optical light-trails |
Apr. 7, 2009 |
| 7480459 |
Wavelength division multiplexing transmission system |
Jan. 20, 2009 |
| 7471902 |
Wavelength allocation method of signal light, and optical transmission apparatus and wavelength division multiplexing optical transmission system using the method |
Dec. 30, 2008 |
| 7466881 |
Optical switch |
Dec. 16, 2008 |
| 7466921 |
Drop-and-continue device |
Dec. 16, 2008 |
| 7457495 |
Method of filtering optical signals with a capillary waveguide tunable optical device |
Nov. 25, 2008 |
| 7457544 |
Single channel four-port group delay compensation equalizer |
Nov. 25, 2008 |
| 7454142 |
Data transmission method and data transmission apparatus |
Nov. 18, 2008 |
| 7450850 |
Fiber and wire communication system |
Nov. 11, 2008 |
| 7450851 |
System and method for modularly scalable architecture for optical networks |
Nov. 11, 2008 |
| 7447436 |
Optical communications using multiplexed single sideband transmission and heterodyne detection |
Nov. 4, 2008 |
| 7447433 |
Optical communication device |
Nov. 4, 2008 |
| 7444047 |
Multiplexing optical system |
Oct. 28, 2008 |
| 7444055 |
Integrated optics arrangement for wavelength (De)multiplexing in a multi-grade vertical stack |
Oct. 28, 2008 |
| 7440169 |
Method for amplifying a time-varying optical signal and optical amplification unit |
Oct. 21, 2008 |
| 7440701 |
Fiber-to-the-premise optical communication system |
Oct. 21, 2008 |
| 7437074 |
Wavelength division multiplexing transmission system |
Oct. 14, 2008 |
| 7437075 |
Integrated reconfigurable optical add/drop multiplexer |
Oct. 14, 2008 |
| 7437083 |
Wavelength converter |
Oct. 14, 2008 |
| 7426347 |
Shared optical performance monitoring |
Sep. 16, 2008 |
| 7421168 |
Integrated optical channelizer |
Sep. 2, 2008 |
| 7421203 |
Method for transmitting packet in wireless access network based on wavelength identification code scheme |
Sep. 2, 2008 |
| 7412171 |
Optical ring network architecture |
Aug. 12, 2008 |
| 7409157 |
Optical switch |
Aug. 5, 2008 |
| 7408701 |
Multi-frequency light source |
Aug. 5, 2008 |
| 7406221 |
Two-dimensional photonic crystal multiplexer/demultiplexer |
Jul. 29, 2008 |
| 7403711 |
Optical digital-to-analog converter and method of optically converting digital data to analog form |
Jul. 22, 2008 |
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