| Patents for H04J 14 - Optical multiplex systems (27,009) |
|---|
| 07/22/1999 | WO1999037050A1 Communications system with star/ring topology |
| 07/22/1999 | WO1999036817A1 N-port reconfigurable dwdm multiplexer and demultiplexer |
| 07/22/1999 | CA2313146A1 N-port reconfigurable dwdm multiplexer and demultiplexer |
| 07/21/1999 | EP0930799A1 A reconfigurable branching unit for a submarine communications system |
| 07/21/1999 | EP0930741A2 Wavelength tracking in adjustable optical systems |
| 07/21/1999 | EP0930733A2 Upgrading a power-splitting passive optical network using optical filtering |
| 07/21/1999 | EP0930730A2 An optical repeater |
| 07/21/1999 | EP0930677A2 Direct optical amplifier |
| 07/21/1999 | EP0929951A1 Circuit arrangement for the operation of wavelength division multiplexing |
| 07/20/1999 | US5926590 Power equalizer in a multiple wavelength bidirectional lightwave amplifier |
| 07/20/1999 | US5926587 Optical passband filters |
| 07/20/1999 | US5926301 Method and apparatus for optical wireless communication |
| 07/20/1999 | US5926300 Optical add-drop multiplexer |
| 07/20/1999 | US5926299 System for distributing optical signals |
| 07/20/1999 | US5926297 Optical modulating device and optical modulating method |
| 07/20/1999 | CA2257731A1 Upgrading a power-splitting passive optical network using optical filtering |
| 07/15/1999 | WO1999035873A1 Method for expanding an existing transport network for telecommunication purposes |
| 07/15/1999 | WO1999035775A1 Short distance dense wavelength division multiplexing optical communication system |
| 07/15/1999 | WO1999035523A1 Composite diffraction gratings for signal processing and optical control applications |
| 07/15/1999 | WO1999035522A1 Add/drop optical multiplexing device |
| 07/15/1999 | CA2317784A1 Composite diffraction gratings for signal processing and optical control applications |
| 07/15/1999 | CA2310586A1 Add/drop optical multiplexing device |
| 07/14/1999 | EP0929166A2 Light wave network system using single reference light signal |
| 07/14/1999 | CN1223043A Dark pulse TDMA optical network |
| 07/13/1999 | US5923797 Frequency-controlled optical switch |
| 07/13/1999 | US5923683 Coherent white light source and optical devices therewith |
| 07/13/1999 | US5923453 Apparatus for measuring optical transmission line property and optical wavelength multiplexing transmission apparatus |
| 07/13/1999 | US5923450 Multiple channel wavelength division multiplexed communication system |
| 07/13/1999 | US5923449 Optically restorable WDM ring network using simple add/drop circuitry |
| 07/13/1999 | CA2065304C Optical coupler |
| 07/08/1999 | DE19800145A1 Verfaren zur Erweiterung eines bestehenden Transportnetzes für die Telekommunikation Verfaren to extend an existing transport network for telecommunications |
| 07/07/1999 | EP0928082A1 Method and apparatus for transparent optical communication with two-fiber bidirectional ring with autoprotection and management of low priority traffic |
| 07/07/1999 | EP0928081A1 Bidirectional optical transmission system for dense interleaved wavelength division multiplexing |
| 07/07/1999 | EP0928079A1 Optical transmitter |
| 07/07/1999 | CN1044055C 光放大器 Optical amplifiers |
| 07/06/1999 | US5920414 Wavelength division multiplexing optical transmission apparatus and optical repeater |
| 07/06/1999 | US5920413 Method and device for optical add/drop multiplexing using high speed polarization scrambler |
| 07/01/1999 | WO1999033212A1 Concatenated codes for spread spectrum communication |
| 07/01/1999 | WO1999033200A1 A method and a system for coding wdm signals |
| 07/01/1999 | CA2314933A1 Concatenated codes for spread spectrum communication |
| 06/30/1999 | EP0926854A2 Methods for equalizing WDM systems |
| 06/30/1999 | EP0926853A2 Article comprising a wavelength selective add-drop multiplexer |
| 06/30/1999 | EP0926849A2 Optical amplifier for wavelength division multiplexing transmission |
| 06/30/1999 | CA2257059A1 Bidirectional optical transmission system for dense interleaved wavelength division multiplexing |
| 06/29/1999 | US5917634 Optical-signal transmitting apparatus, optical-signal receiving apparatus, and optical-signal transmitting and receiving system |
| 06/29/1999 | US5917628 Optical time-division multiplexer capable of supplying stable output signal |
| 06/29/1999 | US5917627 A method of tributary channel identification |
| 06/29/1999 | US5917623 Wavelength division multiplexing systems |
| 06/29/1999 | CA2051325C Optical communication system |
| 06/23/1999 | EP0924888A2 Method and apparatus for channel equalization in wavelength division multiplexed systems |
| 06/23/1999 | EP0924885A2 Protocols for the transmission of information and method for delivering time windows |
| 06/23/1999 | EP0924884A2 Optical node, optical wavelength multiplexing and demultiplexing method, and optical transmission system |
| 06/23/1999 | EP0924883A1 Reduction of collison induced time-jitter in a wavelength division multiplexed soliton transmission system by changing the wavelengths |
| 06/23/1999 | EP0924552A2 Opto-electronic frequency divider circuit and method of operating same |
| 06/23/1999 | CN1220791A Switchable multi-drop video distribution system |
| 06/23/1999 | CN1220531A 光传输系统和光通信装置 Optical transmission system and optical communication apparatus |
| 06/23/1999 | CA2256811A1 External optical modulation system comprising a predistorting device |
| 06/22/1999 | US5915052 Loop status monitor for determining the amplitude of the signal components of a multi-wavelength optical beam |
| 06/22/1999 | US5914976 Optoelectronic module |
| 06/22/1999 | US5914796 Communication protocol for half-duplex traffic |
| 06/22/1999 | US5914795 Method of and device for amplifying channels extracted from a wavelength division multiplex |
| 06/22/1999 | CA2252037A1 Optical node, optical wavelength multiplexing and demultiplexing method, and optical transmission system |
| 06/22/1999 | CA2179843C Comb splitting system and method for multichannel optical fiber communication network |
| 06/19/1999 | CA2254593A1 Method and apparatus for channel equalization in wavelength division multiplexed systems |
| 06/17/1999 | WO1999030454A1 Optical add-drop multiplexer |
| 06/17/1999 | WO1999030453A1 Method and apparatus for simultaneous transmission of digital telephony and analog video using wave division multiplexing |
| 06/17/1999 | CA2314337A1 Method and apparatus for simultaneous transmission of digital telephony and analog video using wave division multiplexing |
| 06/17/1999 | CA2312960A1 Optical add-drop multiplexer |
| 06/16/1999 | EP0923205A2 Optical direct amplifier and control method thereof |
| 06/16/1999 | EP0922992A2 Optical pulse compressor for optical communications systems |
| 06/16/1999 | CN1219678A Cascaded optical multiplexing devices |
| 06/15/1999 | US5912756 Light receiving device |
| 06/15/1999 | US5912754 Method for transmitting WDM optical signal to be amplified by optical amplification repeaters and systems used in same |
| 06/15/1999 | US5912753 Optical telecommunications network |
| 06/15/1999 | US5912751 Fiber optic network using space and wavelength multiplexed data channel arrays |
| 06/15/1999 | US5912750 Optical transmission line |
| 06/15/1999 | US5912749 Call admission control in cellular networks |
| 06/15/1999 | US5912748 Switchable wavelength router |
| 06/15/1999 | CA2148630C Wavelength division multiplexed multi-frequency optical source and broadband incoherent optical source |
| 06/09/1999 | EP0921653A2 Apparatus and method for controlling wavelengths and apparatus for transmitting multi-wavelength optical signals |
| 06/09/1999 | EP0921648A2 Optical network comprising compact wavelenght-dividing component |
| 06/09/1999 | EP0921420A1 Planar optical waveguide, planar optical waveguide with Bragg grating and its method of production |
| 06/09/1999 | CN1219042A Optical fiber user network |
| 06/08/1999 | US5911019 Method for upgrading a hybrid fiber coax network to an all fiber network |
| 06/03/1999 | WO1999027673A1 A programmable add-drop module for use in an optical circuit |
| 06/03/1999 | WO1999027665A1 Channel control in a wavelength division multiplexed communications network |
| 06/03/1999 | WO1999027663A1 Crosstalk reduction in a bidirectional optical link |
| 06/03/1999 | CA2277811A1 Channel control in a wavelength division multiplexed communications network |
| 06/02/1999 | EP0920153A2 Ring network for sharing protection resource by working communications paths |
| 06/02/1999 | EP0919005A1 Optical multiplexer/demultiplexer |
| 06/02/1999 | DE19830809A1 Noise detector for use within telecommunication optical transmission media |
| 06/02/1999 | CN2322325Y Non-balance Mach-Zehnder optical fibre interference wave-division multiplex device |
| 06/02/1999 | CN1218558A Optical clock division |
| 06/02/1999 | CN1218318A 光放大器 Optical amplifiers |
| 06/01/1999 | US5909305 Method and apparatus for monitoring the momental wavelength of light, and an optical amplifier and an optical communication system which incorporate the method and apparatus to adjust gain tilt |
| 06/01/1999 | US5909297 Drift compensating circuit for optical modulators in an optical system |
| 06/01/1999 | US5909294 Full-duplex wavelength division multiplexing system using single-device transceivers |
| 05/27/1999 | WO1999013607A9 Dense wdm optical multiplexer and demultiplexer |
| 05/27/1999 | CA2252072A1 System for reducing collision jitter through wavelength exchange in a fibre optics soliton signal wdm transmission system |
| 05/26/1999 | EP0918445A2 Optical energy selector apparatus and method |