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Class Information
Number: 398/48
Name: Optical communications > Multiplex > Optical switching > Wavelength
Description: Subject matter wherein the optical switching operation involves switching of wavelength division multiplexed (WDM) channels or signals based on their wavelengths.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7623785 |
DWDM optical network planning method |
Nov. 24, 2009 |
| 7620273 |
Methods and devices for providing optical, serviced-enabled cross-connections |
Nov. 17, 2009 |
| 7620321 |
Optical transmitting apparatus, method of increasing the number of paths of the apparatus, and optical switch module for increasing the number of paths of the apparatus |
Nov. 17, 2009 |
| 7613394 |
Optical switching device |
Nov. 3, 2009 |
| 7609968 |
Secure analog communication system using time and wavelength scrambling |
Oct. 27, 2009 |
| 7606494 |
Optical transmission systems, devices, and methods |
Oct. 20, 2009 |
| 7599619 |
Wavelength division multiplexed optical communication system having a reconfigurable optical switch and a tunable backup laser transmitter |
Oct. 6, 2009 |
| 7596318 |
Addressing method of quanta network and quanta network router |
Sep. 29, 2009 |
| 7593637 |
Optical transport system architecture for remote terminal connectivity |
Sep. 22, 2009 |
| 7590109 |
Data burst scheduling |
Sep. 15, 2009 |
| 7590102 |
Multi-stage packet switching system |
Sep. 15, 2009 |
| 7580636 |
Optical switch and method for controlling optical path thereof |
Aug. 25, 2009 |
| 7561799 |
Optical path switching device |
Jul. 14, 2009 |
| 7539418 |
Integrated ring modulator array WDM transceiver |
May. 26, 2009 |
| 7529441 |
Wavelength routing optical switch |
May. 5, 2009 |
| 7522837 |
Optical communication system |
Apr. 21, 2009 |
| 7522836 |
Optical logic gate based optical router |
Apr. 21, 2009 |
| 7512340 |
Optical network system |
Mar. 31, 2009 |
| 7505686 |
Highly scalable multi-granular node architecture |
Mar. 17, 2009 |
| 7499652 |
Modular add/drop multiplexer including a wavelength selective switch |
Mar. 3, 2009 |
| 7483631 |
Method and apparatus of data and control scheduling in wavelength-division-multiplexed photonic burst-switched networks |
Jan. 27, 2009 |
| 7460783 |
Method and apparatus for dynamic provisioning of reliable connections in the presence of multiple failures |
Dec. 2, 2008 |
| 7457539 |
2.times.2 optical switch |
Nov. 25, 2008 |
| 7433594 |
Node apparatus, optical wavelength division multiplexing network, and system switching method |
Oct. 7, 2008 |
| 7434249 |
FTTH PON that O/E converts 1310 nm for output to transmitters for E/O as 1550 nm |
Oct. 7, 2008 |
| 7428383 |
Architecture, method and system of WDM-based photonic burst switched networks |
Sep. 23, 2008 |
| 7428384 |
Optical router |
Sep. 23, 2008 |
| 7426347 |
Shared optical performance monitoring |
Sep. 16, 2008 |
| 7421201 |
Route determination method used in optical signal transmission system |
Sep. 2, 2008 |
| 7421203 |
Method for transmitting packet in wireless access network based on wavelength identification code scheme |
Sep. 2, 2008 |
| 7412169 |
FTTH system for convergence of broadcasting and communication through switched broadcasting |
Aug. 12, 2008 |
| 7409157 |
Optical switch |
Aug. 5, 2008 |
| 7403712 |
Matrix time division multiplex (MTDM) interrogation |
Jul. 22, 2008 |
| 7400829 |
Transmission apparatus and path selection method of a transmission apparatus |
Jul. 15, 2008 |
| 7394985 |
Wavelength access server (WAS) architecture |
Jul. 1, 2008 |
| 7389043 |
Protection architecture for photonic switch using tunable optical filter |
Jun. 17, 2008 |
| 7379668 |
Optical amplification in photonic switched crossconnect systems |
May. 27, 2008 |
| 7369767 |
Method of determining a spectral route in an optical telecommunications network |
May. 6, 2008 |
| 7369772 |
Optical line terminal arrangement, apparatus and methods |
May. 6, 2008 |
| 7366417 |
Delivering multicast services on a wavelength division multiplexed network using a configurable four-port wavelength selective crossbar switch |
Apr. 29, 2008 |
| 7366413 |
Modular cross connect system with 3D-MEMS for optical telecommunication networks |
Apr. 29, 2008 |
| 7366370 |
Technique for photonic switching |
Apr. 29, 2008 |
| 7362974 |
Method for planning or provisioning data transport networks |
Apr. 22, 2008 |
| 7359592 |
Single fiber links for full duplex aircraft data network |
Apr. 15, 2008 |
| 7356259 |
Optical bypass upgrade configuration |
Apr. 8, 2008 |
| 7352966 |
Method and apparatus for capacity-efficient restoration in an optical communication system |
Apr. 1, 2008 |
| 7349628 |
MMI based device |
Mar. 25, 2008 |
| 7343096 |
Method and apparatus for in-service upgrading of OADM to wavelength selective switch of higher degree |
Mar. 11, 2008 |
| 7340175 |
Non-uniform optical waveband aggregator and deaggregator and hierarchical hybrid optical cross-connect system |
Mar. 4, 2008 |
| 7332234 |
Optoelectronic device capable of participating in in-band traffic |
Feb. 19, 2008 |
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