| Patents for H04B 10 - Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication (73,125) |
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| 09/28/2004 | US6798567 Method and apparatus for controlling power transients in an optical communication system |
| 09/28/2004 | US6798565 Method and arrangement for compensating for cross phase modulation |
| 09/28/2004 | US6798564 Raman amplification method, raman amplifier, and optical transmission system |
| 09/28/2004 | US6798557 Direct optical N-state phase shift keying |
| 09/28/2004 | US6798500 Method for estimation of chromatic dispersion in multichannel optical network spans and chromatic dispersion monitor therefore |
| 09/23/2004 | WO2004082301A2 Ultrawide band radio system and pon |
| 09/23/2004 | WO2004082208A1 Optical node device, network control device, maintenance-staff device, optical network, and 3r relay implementation node decision method |
| 09/23/2004 | WO2004082175A1 Pulse train optical transmission system and transmitter and receiver apparatuses used therein |
| 09/23/2004 | WO2004082086A1 Method of manufacturing and aligning an etalon |
| 09/23/2004 | WO2004082031A1 Bidirectional optical module and light transmitting device |
| 09/23/2004 | WO2004047339A3 Fiber amplifier having a non-doped inner core and at least one doped gain region |
| 09/23/2004 | US20040184822 Optical-axis directional indicating apparatus for optical communication |
| 09/23/2004 | US20040184821 Optical preamplifier with received signal strength indicating function |
| 09/23/2004 | US20040184819 Upgraded optical communication system with increased transmission capacity and method |
| 09/23/2004 | US20040184818 Apparatus for generating optical carrier suppressed return-to-zero |
| 09/23/2004 | US20040184817 Optical transmission system with optical amplifier repeaters |
| 09/23/2004 | US20040184815 Devices and methods for dynamic dispersion compensation |
| 09/23/2004 | US20040184814 Wavelength division multiplexing optical repeating transmission method and repeating apparatus |
| 09/23/2004 | US20040184813 Dispersion compensation controlling apparatus and dispersion compensation controlling method |
| 09/23/2004 | US20040184812 Light branching apparatus and optical communication system using the same |
| 09/23/2004 | US20040184810 Rate adaptive optical communication system and method thereof |
| 09/23/2004 | US20040184809 Optical transmission apparatus and an optical wavelength multiplex network therewith |
| 09/23/2004 | US20040184807 Wavelength converter and wavelength division multiplexing transmission method using same |
| 09/23/2004 | US20040184806 Wavelength division multiplexing-passive optical network capable of integrating broadcast and communication services |
| 09/23/2004 | US20040184805 Method for maintaining mode-locked state of fabry-perot laser irrespective of temperature change and WDM light source using the same method |
| 09/23/2004 | US20040184802 Method and apparatus for assessing performance of optical systems |
| 09/23/2004 | US20040184746 Fiber optic connector extension for transmission of digital video data |
| 09/23/2004 | US20040184723 Multi-channel optical equalizer for intersymbol interference mitigation |
| 09/23/2004 | US20040184722 Device and method for broadband transmission of digital optical signals between traveling units |
| 09/23/2004 | US20040184713 Optical router |
| 09/23/2004 | US20040184698 Optical fiber communication system using optical phase conjugation as well as apparatus applicable to the system and method of producing the same |
| 09/23/2004 | US20040184693 Electro-optical component |
| 09/23/2004 | US20040184492 Method and apparatus to enable adaptive equalization at high bandwidths when using single-mode VCSELs over multimode fibers |
| 09/23/2004 | US20040184487 Apparatus and method for measuring and compensating delay between main base station and remote base station interconnected by an optical cable |
| 09/23/2004 | US20040184415 Method for transmitting control commands from a transmitting element to a measuring probe |
| 09/23/2004 | US20040183584 Communications device powered from host apparatus |
| 09/23/2004 | US20040183545 Cable fault detector |
| 09/23/2004 | DE10311571A1 Bidirectional transmitter and receiver for optical communication having a light deflecting structure for producing an image of light of a particular wavelength |
| 09/23/2004 | DE10311354A1 Apparatus for determining the chromatic dispersion of an optical system for use in broad band telecommunication networks based on the phase differential between the phase with single side band modulation |
| 09/23/2004 | DE10311353A1 Apparatus for determining the chromatic dispersion of an optical system particularly an optical path of an optical network |
| 09/23/2004 | CA2819542A1 Optical node device, network control device, maintenance-staff device, optical network, and 3r relay implementation node decision method |
| 09/23/2004 | CA2818959A1 Optical node device, network control device, maintenance-staff device, optical network, and 3r relay implementation node decision method |
| 09/23/2004 | CA2818683A1 Optical node device, network control device, maintenance-staff device, optical network, and 3r relay implementation node decision method |
| 09/23/2004 | CA2514192A1 Ultrawide band radio system and pon |
| 09/23/2004 | CA2501888A1 Optical node device, network control device, maintenance-staff device, optical network, and 3r relay implementation node decision method |
| 09/22/2004 | EP1460788A1 Multi-channel optical equalizer for intersymbol interference mitigation |
| 09/22/2004 | EP1460785A2 Adaptive equalisation using single-mode VCSELS |
| 09/22/2004 | EP1460784A1 System based control of optical amplifier transmission functions |
| 09/22/2004 | EP1460783A2 Swept wavelength broadband raman pump source |
| 09/22/2004 | EP1460782A2 Optical amplifier |
| 09/22/2004 | EP1460737A1 Optical amplifier provided with control function of pumping light, and optical transmission system using the same |
| 09/22/2004 | EP1459535A1 Hybrid fiber optic and coaxial cable network node that contains a cable modem termination system |
| 09/22/2004 | EP1459464A1 Free-propagation optical transmission system |
| 09/22/2004 | EP1334630B1 Communications network, in particular for telephony, with base stations connected to remote transceiver units |
| 09/22/2004 | EP1272824B1 Method and apparatus for measuring phase differences between intensity-modulated optical signals |
| 09/22/2004 | CN2643552Y An improved optical fibre transmitting-receiving head |
| 09/22/2004 | CN2643333Y Optical fibre identifier |
| 09/22/2004 | CN1531836A Supplemental audio contents system with wireless communication for cinema and related methods |
| 09/22/2004 | CN1531806A Eye-diagram mask for optical pulses |
| 09/22/2004 | CN1531794A Optical communication system and apparatus for compensation or emulation of PMD effects |
| 09/22/2004 | CN1531793A Pump power monitor system and method for gain control of optical amplifier |
| 09/22/2004 | CN1531792A Gain control in Raman amplifiers |
| 09/22/2004 | CN1531689A Signal processing arrangement |
| 09/22/2004 | CN1531258A Leakage removing method for 2M projection piece |
| 09/22/2004 | CN1531237A Method for improving transmission quality of WDM system signal |
| 09/22/2004 | CN1531227A WDM manicipal optical fiber network |
| 09/22/2004 | CN1531226A Apparatus and method for analog optical signal code error |
| 09/22/2004 | CN1531225A Laser beam wavelength stabilizing unit and module for stabilizing wavetength of signals in optical communication |
| 09/22/2004 | CN1530729A Light amplifier with laser light controlling function and light transmission system therewith |
| 09/22/2004 | CN1530681A Parallel light transmitting module of vertical cavity transmitting laser array and producing method thereof |
| 09/22/2004 | CN1530680A Optical transmit-receive integral module of vertical cavity transmitting laser |
| 09/22/2004 | CN1530678A Array waveguide grating and channel monitoring integrated system |
| 09/22/2004 | CN1530676A Wavelength dispersion compensator and optical transmission device |
| 09/22/2004 | CN1168349C Optical cross connection node for crossing between fiber link and wavelength groups |
| 09/22/2004 | CN1168236C Method for emitting signals on optical transmission line and optical communication system |
| 09/22/2004 | CN1168235C Method for multiplexing optical marker by co-channel subcarriers |
| 09/21/2004 | US6795657 Circuit and method for monitoring optical signal level |
| 09/21/2004 | US6795656 Optical transmission circuit using a semiconductor laser |
| 09/21/2004 | US6795655 Free-space optical communication system with spatial multiplexing |
| 09/21/2004 | US6795653 Apparatus for reshaping optical pulses |
| 09/21/2004 | US6795652 WDM optical network with passive pass-through at each node |
| 09/21/2004 | US6795626 Optical threshold devices and methods |
| 09/21/2004 | US6795609 Virtual bidirectional connection system for unidirectional processing cards |
| 09/21/2004 | US6795608 Optical communication link |
| 09/21/2004 | US6795607 Use of tunable laser for optical performance monitoring in WDM system |
| 09/21/2004 | US6795596 Variable optical delay line and use of the variable optical delay line |
| 09/21/2004 | US6795459 Light frequency locker |
| 09/21/2004 | US6795236 Cascadable optical amplifier arrangement |
| 09/21/2004 | US6795235 Optical transmission line, method of making optical transmission line, and optical transmission system |
| 09/21/2004 | US6794831 Non-flickering illumination based communication |
| 09/21/2004 | CA2112692C Method for identifying optical line |
| 09/16/2004 | WO2004079960A1 Content information distributing method and system, and its center station |
| 09/16/2004 | WO2004079952A1 Device and method for high rate optical transmission and use of said device and method |
| 09/16/2004 | WO2004079951A1 Optical transmission system |
| 09/16/2004 | WO2004079950A1 Node device of ring optical network |
| 09/16/2004 | WO2004079420A1 Optical connection device and optoelectronic hybrid apparatus including the same |
| 09/16/2004 | WO2004079404A2 System and method for performing in-service fiber optic network certification |
| 09/16/2004 | WO2004064005A3 Circuit arrangements and methods for a remote control receiver having a photodiode |
| 09/16/2004 | WO2004054139A3 Optical transceiver |
| 09/16/2004 | WO2004038963A3 Conformal retro-modulator optical devices |