Patents for H04J 14 - Optical multiplex systems (27,009) |
---|
01/20/1999 | EP0892516A2 All-optical time-division demultiplexing circuit and all-optical TDM-WDM conversion circuit |
01/20/1999 | EP0892512A2 Circuit and channel assignment plan for optical transmissions |
01/20/1999 | EP0635180B1 Optical processing system |
01/20/1999 | CN1205817A Optical spectral multiplexer for inserting and extracting |
01/20/1999 | CN1205588A Method to provide information concerning frequency band, head-end, network terminator and terminal realizing such method and communication access network including such head-end, such network terminal |
01/19/1999 | US5862138 Adaptive routing in a multiple network communication system |
01/19/1999 | US5861980 Optical spectrum analyzer and method for controlling output of optical amplifier |
01/19/1999 | US5861975 Wavelength stability circuit |
01/19/1999 | US5861972 Optical multiplex transmission equipment and method |
01/19/1999 | US5861967 Wavelength multiplexed light transfer unit and wavelength multiplexed light transfer system |
01/19/1999 | US5861966 Broad band optical fiber telecommunications network |
01/19/1999 | US5861965 Optical communication system employing spectrally sliced optical source |
01/19/1999 | CA2034915C Optical fiber telecommunication line with separate, optically transmitted service channels |
01/17/1999 | CA2240766A1 Method of assigning time slots, as well as system, center, and subscriber facility for carrying out this method |
01/13/1999 | EP0891087A1 Method to determine an access frequency band, a head-end and a first terminal realizing such a method and a communication access network including such a head-end and such a terminal |
01/13/1999 | EP0891086A1 A method to provide information concerning a frequency band, a head-end, a network terminator and a terminal realizing such a method and a communication access network including such a head-end, such a network terminator and such a terminal |
01/13/1999 | EP0891085A1 A method to provide information concerning a frequency band, a head-end and a terminal realizing such a method and a communication access network including such a head-end and such a terminal |
01/13/1999 | EP0891056A2 Communication network, node apparatus and method for controlling the same |
01/12/1999 | US5859718 Simplified switching control device, and a network system for employing the device: and a simplified switching control method, and a communication method for employing the method |
01/12/1999 | CA2114653C Method and apparatus for broadband transmission from a central office to a number of subscribers |
01/10/1999 | CA2240753A1 A method to provide information concerning a frequency band, a head-end and a terminal realizing such a method and a communication access network including such a head-end and such a terminal |
01/10/1999 | CA2240748A1 Method to determine an access frequency band, a head-end and a first terminal realizing such a method and a communication access network including such a head-end and such a terminal |
01/10/1999 | CA2240650A1 A method to provide information concerning a frequency band, a head-end, a network terminator and a terminal realizing such a method and a communication access network including such a head-end, such a network terminator and such a terminal |
01/07/1999 | WO1999000925A1 Method and apparatus for dynamically equalizing gain in an optical network |
01/07/1999 | WO1999000924A1 Dynamic optical amplifier |
01/07/1999 | WO1999000922A1 Method for transmitting a signal in a network |
01/07/1999 | WO1999000919A1 Loop status monitor for determining the amplitude of component signals of a multi-wavelength optical beam |
01/07/1999 | DE19727547A1 Verfahren für eine Signalübertragung in einem Netz A method for signal transmission in a network |
01/06/1999 | CN1204191A Selectable wavelength filtering |
12/30/1998 | WO1998059452A1 Method for transmitting a signal in an optical network |
12/30/1998 | EP0887965A1 Method and device for concatenating binary informations and use thereof for optical transmission of packets |
12/30/1998 | EP0887964A2 Filter selector |
12/30/1998 | EP0887963A2 Cascaded optical multiplexing devices |
12/30/1998 | EP0887672A1 Fibre-optic wavelength division multiplexer-demultiplexer |
12/30/1998 | EP0886935A1 Bitstream management |
12/30/1998 | EP0886895A1 Vcsel-based multi-wavelength transmitter and receiver modules for serial and parallel optical links |
12/30/1998 | CA2241939A1 Optical device for processing an optical digital signal |
12/29/1998 | US5854701 Passive optical network |
12/29/1998 | US5854699 Multiplexed subcarrier control in wavelength division multiplexed broadband networks |
12/29/1998 | US5854698 Repeaterless branch powered fiber optic communication system |
12/29/1998 | CA2097679C Method of allocating carrier frequencies for the simultaneous transmission of several modulated signals, particularly over an optical link |
12/26/1998 | CA2238606A1 Cascaded optical multiplexing devices |
12/24/1998 | DE19726009A1 Verfahren für eine Signalübertragung in einem optischen Netz A method for signal transmission in an optical network |
12/23/1998 | WO1998058466A1 Method for optically transmitting signalling and control information in optical wavelength multiplex networks |
12/23/1998 | CA2239820A1 Process and device for concatenating binary information and application to optical packet transmission |
12/22/1998 | US5852510 Amplified telecommunication system for wavelength-division multiplexing transmission having an equalized reception power |
12/22/1998 | US5852505 For demultiplexing on optical signals into individual channels |
12/19/1998 | CA2241041A1 An optical device and a method of processing a digital optical signal in parallel and in free space |
12/17/1998 | DE19725714C1 Verfahren zur optischen Übertragung von Signalisierungs- und Steuerinformationen in optischen Netzen A method for optical transmission of signaling and control information in optical networks |
12/16/1998 | EP0883942A1 Channel selection in an optical tdma network |
12/16/1998 | EP0883938A1 Dark pulse tdma optical network |
12/16/1998 | CN1202285A Method for independently controlling wavelength component powers in optical wavelength division multiplexed transmission system |
12/16/1998 | CN1202057A Fault restoration control method and its apparatus in communication network |
12/15/1998 | US5850303 Optical transmission system and optical transmission device used therefor |
12/15/1998 | US5850301 Wavelength multiplexed light transfer unit and wavelength multiplexed light transfer system |
12/09/1998 | EP0883259A2 CDMA receiver for an optical transmission system and a method of operating this receiver |
12/09/1998 | EP0883256A1 Soliton WDM optical fibre transmission system with saturable absorbers |
12/09/1998 | EP0883255A2 Optically amplified WDM transmission system |
12/09/1998 | EP0883216A2 Wavelenght selectable laser with inherent wavelenght and single-mode stability |
12/08/1998 | US5848059 Node device used in network system for packet communication, network system using such node devices, and communication method used therein |
12/08/1998 | US5847862 Multi-channel optical fiber communication system |
12/08/1998 | US5847852 Optical network |
12/05/1998 | CA2239083A1 System for fibre optic transmission with soliton signals, wavelength multiplexing and saturable absorbent |
12/05/1998 | CA2238950A1 Optically amplified wdm transmission system |
12/03/1998 | WO1998054863A1 Span management system for wavelength division multiplexed network |
12/03/1998 | WO1998054862A1 Signal-to-noise monitoring in wdm optical communication systems |
12/03/1998 | WO1998054861A2 Optical multiplexing and demultiplexing |
12/03/1998 | WO1998054854A1 Modulation format adjusting optical transponders |
12/03/1998 | CA2291610A1 Modulation format adjusting optical transponders |
12/02/1998 | EP0881790A1 Optical transmission system with dynamic compensation of the transmitted power |
12/02/1998 | EP0881789A2 Receiver for an optical telecommunication system, filter arrangement and operating method therefor |
12/02/1998 | EP0880835A2 Wdm switching network |
11/28/1998 | CA2235834A1 Receiver for an optical communications system and method for operating such a system |
11/28/1998 | CA2235769A1 Receiver for an optical communications system, filter device, and method for operating such a system |
11/26/1998 | WO1998053571A2 Distributed intelligence wavelength division multiplexed network |
11/26/1998 | WO1998028927A3 Establishing a wireless link connecting a central terminal and a subscriber terminal of a wireless telecommunications system |
11/25/1998 | EP0880249A2 FWM Light suppressing system |
11/25/1998 | EP0880243A2 Optical fiber transmission line |
11/25/1998 | EP0880041A2 Optical device for an optical network unit and manufacturing method therefor |
11/25/1998 | EP0723716B1 Optical pulse sequence generator |
11/25/1998 | CN1199964A Optical device for optical communication terminal station and manufacturing method therefor |
11/25/1998 | CN1199866A Optical receiver and demultiplexer for free-space wavelength division multiplexing communications systems |
11/24/1998 | US5841929 Light wavelength filtering circuit and manufacturing method thereof |
11/24/1998 | US5841776 Apparatus and method for a high throughput fiber-optic access network using code division multiple access |
11/24/1998 | US5841560 System for optical pulse train compression and packet generation |
11/24/1998 | US5841557 Method and apparatus for scrambling the polarization of signal lights forming a wavelength division multiplexed signal light |
11/24/1998 | US5841319 Method and apparatus for controlling gain of an amplifier by comparing a detected output envelope and a reference signal |
11/19/1998 | WO1998052314A2 An add and drop node for optical communication systems |
11/19/1998 | WO1998052306A2 Optical add/drop device |
11/19/1998 | DE19720619A1 Light signal multiplexing method for optical communications or measuring system |
11/18/1998 | EP0878977A2 Improvements in an SDH-network provided with a shared protection system |
11/18/1998 | EP0878925A2 Wavelength locking method for tunable filter, wavelength locking apparatus and wavelength devision multiplexing communication network using the same |
11/18/1998 | EP0878722A1 Wavelength division multiplex branching unit and method of operation for optical transmission systems |
11/18/1998 | EP0878079A1 Self-healing network |
11/17/1998 | US5838488 Optical amplifier gain control circuitry using a variable reference corresponding to the number of multiplexed wavelengths |
11/17/1998 | US5838477 Optical submarine branching device |
11/17/1998 | US5838470 Optical wavelength tracking receiver |
11/16/1998 | CA2234908A1 Improvements in a fiber optic synchronous digital hierarchy telecommunication network provided with a protection system shared on the network |
11/12/1998 | WO1998051024A1 Wdm optical communication systems with wavelength-stabilized optical selectors |
11/12/1998 | CA2309437A1 Wdm optical communication systems with wavelength-stabilized optical selectors |