| 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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| 09/21/2005 | CN1670553A Chromatic dispersion-compensating optical fibre in the s-band using a higher order mode |
| 09/21/2005 | CN1670552A Large mode field area large chromatic dispersion photonic crystal fiber |
| 09/21/2005 | CN1670551A Large chromatic dispersion Bragg type photonic crystal fiber |
| 09/21/2005 | CN1670547A Light source for optical fibre grating |
| 09/21/2005 | CN1220348C Gain balancing system and method in light transmission system |
| 09/21/2005 | CN1220347C Optical transmitter optical transmission system and method used for high data speed transmission signal |
| 09/21/2005 | CN1220346C Multiple business two-way transmission optical terminal machine |
| 09/21/2005 | CN1220345C Automatic bias calibrating method and devie for optical regulator of externally regulatable optic emitter |
| 09/20/2005 | US6947674 Circuit for preventing transmission of a fixed pattern of optical digital transmission equipment |
| 09/20/2005 | US6947672 High-speed optical data links |
| 09/20/2005 | US6947670 Optical add/drop arrangement for ring networks employing wavelength division multiplexing |
| 09/20/2005 | US6947668 Method for transferring utility optical signals and optical-line network |
| 09/20/2005 | US6947633 Dispersion compensation |
| 09/20/2005 | US6947630 Control method and control apparatus for variable wavelength optical filter |
| 09/20/2005 | US6947617 Polarized wave scrambler and optical signal transmission apparatus |
| 09/20/2005 | US6947494 Bit rate control apparatus and method of optical receiver |
| 09/20/2005 | US6947421 System method for the automatic routing of data packets in an optical data packet stream |
| 09/20/2005 | US6947365 Method for protecting phase lock loop in optical system |
| 09/20/2005 | US6947216 Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion |
| 09/20/2005 | US6947207 Raman amplifier, optical transmission system using such amplifier and pumping light source therefor |
| 09/20/2005 | US6947206 All-optical, tunable regenerator, reshaper and wavelength converter |
| 09/20/2005 | US6947194 Method for compensating polarization mode dispersion, polarization mode dispersion compensator and optical fiber communication system |
| 09/20/2005 | US6946646 Method of evaluating fiber PMD using polarization optical time domain reflectometry |
| 09/20/2005 | CA2384233C Programmable optical multiplexer/demultiplexer |
| 09/19/2005 | CA2497624A1 Optical attenuator element, and variable optical equalizer and optical amplifier that use this optical attenuator element |
| 09/15/2005 | WO2005086400A1 Optical transmitter |
| 09/15/2005 | WO2005086392A1 Bi-directional optoelectric conversion |
| 09/15/2005 | WO2005086391A1 System, method and apparatus for polarization mode dispersion compensation and demultiplexing polarization multiplexed signals |
| 09/15/2005 | WO2005086390A1 Optical modulation converter and method for converting the modulation format of an optical signal |
| 09/15/2005 | WO2005086389A1 Communications system and leakage optical fiber |
| 09/15/2005 | WO2005086388A1 Portable telephone terminal with visible light transmitter/receiver |
| 09/15/2005 | WO2005086387A1 A wireless-besed system for controlling family digital deveice |
| 09/15/2005 | WO2005084359A2 Optical performance monitoring between terminal equipment and an optical interface to an optical submarine transmission line |
| 09/15/2005 | WO2005084268A2 Fm source and spectral reshaping element |
| 09/15/2005 | WO2005013648A3 Optoelectronic transceiver having dual access to onboard diagnostics |
| 09/15/2005 | WO2005010563A3 All-optical, tunable regenerator, reshaper and wavelength converter |
| 09/15/2005 | WO2004102812A3 Method and apparatus for optical broadband frequency chirp |
| 09/15/2005 | WO2004064259A3 Fully protected broadcast and select all optical network |
| 09/15/2005 | US20050202793 Method and system for superheterodyne detection of an optical input signal |
| 09/15/2005 | US20050201762 Optical RZ-duobinary transmission system with narrow bandwidth optical filter |
| 09/15/2005 | US20050201761 SINGLE FIBER TRANSCEIVER with FAULT LOCALIZATION |
| 09/15/2005 | US20050201760 Method and system for generating CS-RZ pulses showing narrow width of bit duration |
| 09/15/2005 | US20050201759 Photonic RF distribution system |
| 09/15/2005 | US20050201758 Optical signal degradation compensator |
| 09/15/2005 | US20050201757 Method and arrangement for determining signal degradations in the presence of signal distortions |
| 09/15/2005 | US20050201756 Transmission device for remote control systems |
| 09/15/2005 | US20050201755 Wavelength division-multiplex system |
| 09/15/2005 | US20050201754 Optical transmission system having noise-elimination function |
| 09/15/2005 | US20050201753 System and method for subcarrier modulation in ISM band as supervisory channel |
| 09/15/2005 | US20050201752 System and method for subcarrier modulation as supervisory channel |
| 09/15/2005 | US20050201751 Monitoring mechanisms for optical systems |
| 09/15/2005 | US20050201750 Optical path switching device |
| 09/15/2005 | US20050201749 Use of variable ratio couplers for network protection and recovery |
| 09/15/2005 | US20050201713 Optical communication system |
| 09/15/2005 | US20050201675 Monolithic semiconductor light source with spectral controllability |
| 09/15/2005 | US20050201669 Optical transport network |
| 09/15/2005 | US20050201665 Monolithically integrated optic triplexer and method for making same |
| 09/15/2005 | US20050201443 Light source device |
| 09/15/2005 | US20050201323 Method and apparatus for multiplexing in a wireless communication infrastructure |
| 09/15/2005 | US20050200945 Optical fiber communication systems with brillouin effect amplification |
| 09/15/2005 | US20050200944 Method for detecting disengagement of an optical fiber, an optical fiber amplifier, and a unit of an optical fiber amplifier with a transmission optical fiber |
| 09/15/2005 | US20050200943 Thermal management of an optical amplifier module housed in a universal cable joint |
| 09/15/2005 | US20050200452 Optical output device, relay device, and program controlling optical output device |
| 09/15/2005 | US20050200312 Light emitting element driving device and portable apparatus equipped with light emitting elements |
| 09/15/2005 | US20050199784 Light to PWM converter |
| 09/15/2005 | CA2557150A1 Optical system comprising an fm source and a spectral reshaping element |
| 09/14/2005 | EP1575197A1 Monolithically integrated optical triplexer and method for making same |
| 09/14/2005 | EP1575195A2 Receiver circuit with an optical receiving device |
| 09/14/2005 | EP1575193A2 A method and system for optical superheterodyne detection |
| 09/14/2005 | EP1575192A1 Multiple antenna system |
| 09/14/2005 | EP1575191A1 Method for data transmission and device for such a method |
| 09/14/2005 | EP1575137A1 A method for detecting disengagement of an optical fiber, an optical fiber amplifier, and a unit of an optical fiber amplifier with a transmission optical fiber |
| 09/14/2005 | EP1573940A1 System and method to minimize modulation instability |
| 09/14/2005 | EP1573869A1 Multiple stage raman optical amplifier |
| 09/14/2005 | EP1573679A1 Infrared (ir) communication device for motor vehicles |
| 09/14/2005 | EP1417787B1 Optical transmitter for transmitting a plurality of output signals |
| 09/14/2005 | CN2726272Y Infrared remote-light modulating switch |
| 09/14/2005 | CN2726249Y Image monitor |
| 09/14/2005 | CN2726223Y Special WDM optical terminal apparatus |
| 09/14/2005 | CN2726219Y Apparatus for inhibiting ASE noise power in preamplifier |
| 09/14/2005 | CN2726179Y 8 P in butterfly shaped packaged CATV light emitting assembly |
| 09/14/2005 | CN2725914Y Special vibration-proof hammer for optical cable line |
| 09/14/2005 | CN1669250A Burst signal extinction ratio control circuit, integrated circuit thereof, burst signal extinction ratio control method, computer program, and laser diode drive circuit |
| 09/14/2005 | CN1669249A Method and apparatus for directly modulating a laser diode using multi-stage laser driver circuity |
| 09/14/2005 | CN1669194A Laser driver circuit and system |
| 09/14/2005 | CN1668954A Compensating for chromatic dispersion in optical fibers |
| 09/14/2005 | CN1667983A Dispersion compensator |
| 09/14/2005 | CN1667982A Method and system for superheterodyne detection of an optical input signal |
| 09/14/2005 | CN1667480A Light to PWM converter |
| 09/14/2005 | CN1219366C Adaptive dispersion compensator |
| 09/14/2005 | CN1219365C Automatic gain balancing method and system in light transmission system of wavelength division multiplexing technology |
| 09/14/2005 | CN1219364C Apparatus of wireless controlling multimedia courseware |
| 09/14/2005 | CN1219327C Detection power range adjustable photoelectric detector |
| 09/14/2005 | CN1219277C Remote controlled receiver |
| 09/14/2005 | CN1219261C Method and apparatus for reading pluggable optical transreceiving module internal E2PROM of broadband network device |
| 09/14/2005 | CN1219235C Continuous adjustable digital display type optical fiber attenuator |
| 09/14/2005 | CN1219227C Positive non-zero dispersive displacement single-mode optical fiber |
| 09/13/2005 | US6944562 Temperature compensation device and method with low heat-generation |
| 09/13/2005 | US6944483 Portable radio terminal with infrared communication function and communication method for portable radio terminal |
| 09/13/2005 | US6944406 Transport system with tunable channel spacing DWDM |