| |
 |
|
Class Information
Number: 398/79
Name: Optical communications > Multiplex > Wavelength division or frequency division (e.g., raman, brillouin, etc.)
Description: Subject matter wherein 1) two or more optical information signals simultaneously present on a common optical waveguide are differentiated by optical wavelength or 2) the frequency spectrum of an optical transmission medium is divided into segments and respective information channels are transmitted in different segments.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7616848 |
Optical transmission apparatus |
Nov. 10, 2009 |
| 7613392 |
1:N protection in an optical terminal |
Nov. 3, 2009 |
| 7613396 |
Multiplexing communication system and crosstalk elimination method |
Nov. 3, 2009 |
| 7613178 |
Transmission network system |
Nov. 3, 2009 |
| 7609968 |
Secure analog communication system using time and wavelength scrambling |
Oct. 27, 2009 |
| 7599620 |
Communications network for a metropolitan area |
Oct. 6, 2009 |
| 7596801 |
Single wire return device in a fiber to the home system |
Sep. 29, 2009 |
| 7593638 |
Secure upstream transmission in passive optical networks |
Sep. 22, 2009 |
| 7590350 |
System and method for automated engineering of optical networks |
Sep. 15, 2009 |
| 7587112 |
Optical device and light control method |
Sep. 8, 2009 |
| 7587103 |
Method for ultrafast optical deflection enabling optical recording via serrated or graded light illumination |
Sep. 8, 2009 |
| 7580631 |
Optical transmission device for controlling optical level of transmission signal in optical transmission system |
Aug. 25, 2009 |
| 7577363 |
Optical device and method of converting WDM signals into an OTDM signal and vice versa |
Aug. 18, 2009 |
| 7574134 |
Method of determining at least one variable of a WDM optical network |
Aug. 11, 2009 |
| 7574136 |
Wavelength real time display on the equipment for WDM optical networking systems with wavelength tunable capability |
Aug. 11, 2009 |
| 7556439 |
Bidirectional optical assembly and method for manufacturing the same |
Jul. 7, 2009 |
| 7558481 |
Method for optimizing enhanced DWDM networks |
Jul. 7, 2009 |
| 7551853 |
Data communications apparatus |
Jun. 23, 2009 |
| 7542653 |
Passive fiber organizer for mesh network node interconnections |
Jun. 2, 2009 |
| 7529441 |
Wavelength routing optical switch |
May. 5, 2009 |
| 7522845 |
WDM laser wavelength control |
Apr. 21, 2009 |
| 7515833 |
Optical double sideband modulation technique with increased spectral efficiency |
Apr. 7, 2009 |
| 7509049 |
System for selectively combining satellite signals sent to a user through an optical fiber |
Mar. 24, 2009 |
| 7505690 |
Multi-channel all-optical signal processor |
Mar. 17, 2009 |
| 7492999 |
Optical fiber and optical-fiber transmission line |
Feb. 17, 2009 |
| 7486891 |
Multi-port high isolation filters |
Feb. 3, 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 |
| 7469080 |
Modular all-optical cross-connect |
Dec. 23, 2008 |
| 7469102 |
Wavelength-division-multiplexing passive optical network utilizing fiber fault detectors and/or wavelength tracking components |
Dec. 23, 2008 |
| 7466919 |
System for flexible multiple broadcast service delivery over a WDM passive optical network based on RF block-conversion, of RF service bands within wavelength bands |
Dec. 16, 2008 |
| 7466923 |
Polarization mode dispersion compensation |
Dec. 16, 2008 |
| 7457544 |
Single channel four-port group delay compensation equalizer |
Nov. 25, 2008 |
| 7457542 |
Optical access network system |
Nov. 25, 2008 |
| 7457495 |
Method of filtering optical signals with a capillary waveguide tunable optical device |
Nov. 25, 2008 |
| 7454142 |
Data transmission method and data transmission apparatus |
Nov. 18, 2008 |
| 7450850 |
Fiber and wire communication system |
Nov. 11, 2008 |
| 7450844 |
WDM optical transmission equipment with redundant configuration, and wavelength control method of light output in standby system |
Nov. 11, 2008 |
| 7447432 |
Regulating radiation component power in wavelength division multiplexed optical communication systems |
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 |
| 7444078 |
Transient control solution for optical networks |
Oct. 28, 2008 |
| 7440696 |
Data multiplexing network, wavelength multiplexer, and data multiplexing transmission method |
Oct. 21, 2008 |
| 7440702 |
Method for transmitting digital image signal, digital image transmitting device, digital image sending device and digital image receiver |
Oct. 21, 2008 |
| 7440169 |
Method for amplifying a time-varying optical signal and optical amplification unit |
Oct. 21, 2008 |
| 7440650 |
Planar lightwave circuit based wavelength selective switch |
Oct. 21, 2008 |
| 7437070 |
Submarine observation apparatus and submarine observation system |
Oct. 14, 2008 |
| 7437083 |
Wavelength converter |
Oct. 14, 2008 |
| 7428249 |
Pointer processing and path BIP-8 computation for large concatenated payloads |
Sep. 23, 2008 |
| 7426347 |
Shared optical performance monitoring |
Sep. 16, 2008 |
| 7424220 |
Optical transmission system with two-mode ring protection mechanism for prioritized client signals |
Sep. 9, 2008 |
|
|
|
