| 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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| 01/30/2003 | US20030022025 Magnetic recording medium and magnetic recording apparatus using the same |
| 01/30/2003 | US20030021580 Method and apparatus for coupling terminal equipment to a node in an optical communications network |
| 01/30/2003 | US20030021575 Fiber-optic cable terminal connector and alignment device and method |
| 01/30/2003 | US20030021562 Optical fiber and optical transmission line using the same, and optical transmission system |
| 01/30/2003 | US20030021561 Dispersion slope compensating optical waveguide fiber |
| 01/30/2003 | US20030021535 Tunable optical add/drop multiplexer |
| 01/30/2003 | US20030021532 Optical structure for the compensation of chromatic dispersion in a light signal |
| 01/30/2003 | US20030021527 Wavelength characteristic variable apparatus |
| 01/30/2003 | US20030021521 Optical switch device, and optical reception device and optical switch network in which the optical switch device is applied |
| 01/30/2003 | US20030021515 Semiconductor structure employing a multi-path wave guide to concurrently route signals |
| 01/30/2003 | US20030021514 Polarization mode dispersion compensating device using optical XOR circuit |
| 01/30/2003 | US20030021046 Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion |
| 01/30/2003 | US20030021027 Optical communication apparatus, optical communication information decoding method, optical switching system, and driving method for optical switching system |
| 01/30/2003 | US20030021013 Method for transmitting additional optical signals in the s-band |
| 01/30/2003 | US20030021011 Optical equalization with beam counter-propagation |
| 01/30/2003 | US20030021010 Optical amplifying repeater apparatus and optical amplifying/repeating transmission system |
| 01/30/2003 | US20030021008 System and method for controlling noise figure |
| 01/30/2003 | US20030021006 Optical device for wavelength interleaving or dissociation and optical switch |
| 01/30/2003 | US20030020995 Optical transmission system in which gains in gain bands are remotely controlled by transmitting tone signals having variable characteristics |
| 01/30/2003 | US20030020994 Optical system and method in an optical system |
| 01/30/2003 | US20030020993 Method and system for infrared data communications |
| 01/30/2003 | US20030020992 Free space optical communication network and stations thereof |
| 01/30/2003 | US20030020991 Automatic bandwidth adjustment in a passive optical network |
| 01/30/2003 | US20030020990 Method and system for automatic gain equalization in an optical transmission system using WDM technique |
| 01/30/2003 | US20030020989 Optical harmonic equalization control systems and methods |
| 01/30/2003 | US20030020987 Optical receiving unit having frequency characteristics which are controllable in accordance with a clock signal used to transmit data |
| 01/30/2003 | US20030020986 Method and apparatus for pluggable fiber optic modules |
| 01/30/2003 | US20030020984 Methods and apparatus for preventing deadbands in an optical communication system |
| 01/30/2003 | US20030020983 Error mitigation system using line coding for optical wdm communications |
| 01/30/2003 | US20030020982 Method of estanblishing communications in an all optical wavelength division multiplexed network |
| 01/30/2003 | US20030020981 Dense wavelength division multiplexing (DWDM) fiberoptic source |
| 01/30/2003 | US20030020980 Methods for equalization of a DWDM system |
| 01/30/2003 | US20030020979 Remote optical transmitter output power control |
| 01/30/2003 | US20030020978 Zero data loss network protection |
| 01/30/2003 | CA2454101A1 Wavelength division multiplex optical wavelength converter |
| 01/30/2003 | CA2453876A1 Access node for multi-protocol video and data services |
| 01/29/2003 | EP1280294A1 Optical clock signal distribution system in wdm network |
| 01/29/2003 | EP1280293A1 Optical fiber communication apparatus and data decoding method using the apparatus based on a nonlinear optical effect |
| 01/29/2003 | EP1280290A1 Optical multiuser low latency reconfigurable communications network |
| 01/29/2003 | EP1280289A2 Polarization mode dispersion compensating device using optical XOR circuit |
| 01/29/2003 | EP1280288A1 Method and system for automatic gain equalization in an optical transmission system using WDM technique |
| 01/29/2003 | EP1280082A1 Apparatus for totaling/analyzing replies using infrared optical communication, and signal amplifier suitable for that apparatus |
| 01/29/2003 | EP1279977A2 Optical fiber transmission line with dispersion compensation |
| 01/29/2003 | EP1279288A1 Fiber to the home (ftth) multimedia access system |
| 01/29/2003 | EP1279245A2 Electrical detector for adaptive control of chromatic dispersion in optical systems |
| 01/29/2003 | EP1279244A1 Device for transmitting optical rz signals, in particular soliton-pulse signals |
| 01/29/2003 | EP1279243A1 Method and circuit arrangement for the determination of the carrier-to-noise ratio for optical transmissions |
| 01/29/2003 | EP1279242A1 Rugged shock-resistant backplane for embedded systems |
| 01/29/2003 | CN2533619Y Light wave length division multiplexer for DWDM |
| 01/29/2003 | CN2533484Y Mechanical photoswitch |
| 01/29/2003 | CN1394400A Method and system for transmitting signal via non-linear transmission unit |
| 01/29/2003 | CN1394099A Wireless communication apparatus |
| 01/29/2003 | CN1394028A Method and system for multiplying optical information transmission |
| 01/29/2003 | CN1394027A Remote-transmission in dispersion controlled optical communication system |
| 01/29/2003 | CN1394025A Loopback protector for light monitor channel |
| 01/29/2003 | CN1394012A Phase compensation method and device for uplink burst control of TDM/TDMA system |
| 01/29/2003 | CN1394009A Process for praparing array collimator |
| 01/29/2003 | CN1394008A Node device for optical cross connection |
| 01/29/2003 | CN1394007A Method and apparatus for correcting wave-front distortion in free space optical communication system |
| 01/29/2003 | CN1394006A Method and apparatus for correcting wave-front distortion in free space optical communication system |
| 01/29/2003 | CN1394005A Light emitting apparatus and light transmitting system |
| 01/29/2003 | CN1394004A Method and device for choosing and controlling clock source of synchronous digital optical network |
| 01/29/2003 | CN1100423C System for duplicating connectionless server |
| 01/29/2003 | CN1100273C Dispersion compensating single mode waveguide and mfg. method thereof |
| 01/28/2003 | US6512872 Optical fiber, dispersion compensator using optical fiber, optical transmission line using optical fiber, and optical transmission system using optical fiber |
| 01/28/2003 | US6512865 Cross-traffic suppression in wavelength division multiplexed systems |
| 01/28/2003 | US6512628 Distributed optical amplifier, amplifying method, and optical communication system |
| 01/28/2003 | US6512621 FM modulator |
| 01/28/2003 | US6512620 Optical transmission device |
| 01/28/2003 | US6512619 Frequency modulation apparatus |
| 01/28/2003 | US6512618 Broadcast optical communication system employing waveguide having grating normal to sources and detectors |
| 01/28/2003 | US6512617 Methods and systems for control and calibration of VCSEL-based optical transceivers |
| 01/28/2003 | US6512616 Optical packet switch |
| 01/28/2003 | US6512613 WDM transmission repeater, WDM transmission system and WDM transmission method |
| 01/28/2003 | US6511234 Signal transmission method and motherboard structure |
| 01/26/2003 | CA2391187A1 Optical fiber transmission line |
| 01/25/2003 | CA2377210A1 Optical structure for the compensation of chromatic dispersion in a light signal |
| 01/23/2003 | WO2003007554A1 Network component for an optical network comprising an emergency operation function, especially for an optical network in ring topology |
| 01/23/2003 | WO2003007521A1 Wdm ring network for flexible connections |
| 01/23/2003 | WO2003007511A1 Optical system and method in an optical system |
| 01/23/2003 | WO2003007510A2 System and method for mass broadband communications |
| 01/23/2003 | WO2003007509A2 Monitoring optical dispersion based on vestigial side band optical filtering |
| 01/23/2003 | WO2003007058A1 Optical device for subcarrier multiplexing |
| 01/23/2003 | WO2003007037A1 A dispersion compensation device |
| 01/23/2003 | WO2003007035A2 Dispersion and dispersion slope compensating optical fiber |
| 01/23/2003 | WO2003007024A2 Fiber optic telecommunications card with security detection |
| 01/23/2003 | WO2003007023A2 Control architecture and method for optical amplifiers |
| 01/23/2003 | WO2003007005A1 Virtual line switched ring (vlsr) connection state distribution scheme |
| 01/23/2003 | WO2002049243A3 Optical amplifier having an improved noise figure and noise reduction method |
| 01/23/2003 | WO2002045301A3 Optically amplified receiver |
| 01/23/2003 | WO2002037718A3 Method and apparatus for the optimization of dispersion map using slope-compensating optical fibers |
| 01/23/2003 | WO2002030012A3 Analog-to-digital spurious noise improvement using a pseudo-random binary sequence generator |
| 01/23/2003 | WO2002021736A3 Active equipment protection methods and apparatus |
| 01/23/2003 | WO2002011322A3 Suppression of stimulated brillouin scattering in optical transmissions |
| 01/23/2003 | WO2001095528A3 All fiber polarization mode dispersion compensator |
| 01/23/2003 | US20030018453 Extinction ratio calculation and control of a laser |
| 01/23/2003 | US20030016920 Jack module for optical transmission and plug-and-jack type optical transmission apparatus |
| 01/23/2003 | US20030016912 Reducing insertion losses of a written in grating with mode coupling in the cladding |
| 01/23/2003 | US20030016908 Variable wavelength dispersion compensator |
| 01/23/2003 | US20030016721 Light source apparatus, optical amplifier and optical communication system |