| 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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| 08/07/2001 | US6271952 Polarization mode dispersion compensation |
| 08/07/2001 | US6271950 Optical differential phase shift keying transmission system having multiplexing, routing and add/replace capabilities |
| 08/07/2001 | US6271948 Wavelength division multiplexed optical communication system |
| 08/07/2001 | US6271946 Optical layer survivability and security system using optical label switching and high-speed optical header generation and detection |
| 08/07/2001 | US6271945 Apparatus and method for controlling power levels of individual signal lights of a wavelength division multiplexed signal light |
| 08/07/2001 | US6271944 Laser wavelength control in an optical communication system |
| 08/07/2001 | US6271942 Optical transmission device and system |
| 08/07/2001 | US6271922 Transmission system and associated method for measuring interference effects of glass fiber transmission links |
| 08/07/2001 | US6271790 Communication system |
| 08/07/2001 | CA2229360C Optical receiver and demultiplexer for free-space wavelength division multiplexing communications systems |
| 08/07/2001 | CA2200269C High power broadband source with stable and equalized spectrum output |
| 08/07/2001 | CA2150336C Method for optical communications |
| 08/07/2001 | CA2032440C Transmission system using parallel optic links to achieve enhanced dynamic range |
| 08/02/2001 | WO2001056212A2 Digital signal processing optical transmitter |
| 08/02/2001 | WO2001056203A2 Cross-connect protection |
| 08/02/2001 | WO2001056197A2 Digital downstream communication system |
| 08/02/2001 | WO2001056196A1 Use of phase shift keyed coherent optical signaling in a wavelength division multiplexed optical fiber links |
| 08/02/2001 | WO2001056195A2 Digital status channel for broadband communication system |
| 08/02/2001 | WO2001056161A1 System and method for phase-locking an electronic oscillator with an optical pulse |
| 08/02/2001 | WO2001055756A1 Composite optical fiber transmission line and method |
| 08/02/2001 | WO2001001611A9 Optical amplifier system and optical network having flattened gain and constant per channel output power |
| 08/02/2001 | WO2000077955A3 Optical frequency filter |
| 08/02/2001 | WO2000004660A9 Optical communication system that transmits and receives data through free space |
| 08/02/2001 | US20010011009 Underground information communication system and related manhole cover |
| 08/02/2001 | US20010010746 Optical fiber |
| 08/02/2001 | US20010010740 Device for setting reference wavelength in optical channel monitoring module |
| 08/02/2001 | US20010010693 Process for improving the signal quality of optical signals, a transmission system and a transmitter |
| 08/02/2001 | US20010010587 Method and apparatus for transmitting a wavelength division multiplexed (wdm) signal through an optical transmission line to reduce the effects of stimulated brillouin scattering (sbs) |
| 08/02/2001 | US20010010586 Light source used in wavelength multiplexing |
| 08/02/2001 | US20010010585 Raman amplifier and optical transmission system |
| 08/02/2001 | US20010010503 Universal remote control with macro command capabilities |
| 08/02/2001 | DE10003905A1 Digital optical receiver has low cut off filter and non linear decision circuit reduces bit error rate |
| 08/02/2001 | DE10003398A1 Verfahren zur Verbesserung der Signalqualität von optischen Signalen, Übertragungssystem sowie Sender A method for improving the signal quality of optical signals, transmission system and transmitter |
| 08/02/2001 | CA2398718A1 Composite optical fiber transmission line and method |
| 08/01/2001 | EP1120987A1 Cross-connect protection |
| 08/01/2001 | EP1120926A1 Article comprising a single-stage all-pass optical filter |
| 08/01/2001 | EP1120925A1 Optical amplification repeater and optical amplification repeating and transmitting system |
| 08/01/2001 | EP1120924A1 Method for the improvement of the quality of optical signals, transmission system and transmitter |
| 08/01/2001 | EP1120673A1 Passive alignment of optoelectronic components to optical waveguides using flip-chip bonding technology |
| 08/01/2001 | EP1119929A2 Digital optical transceiver |
| 08/01/2001 | EP1119795A1 Optical filter, adjustable add-drop-continue module and circuit for bundled cross-connect functionality |
| 08/01/2001 | CN1306709A NXM digitally programmable optical routing switch |
| 08/01/2001 | CN1306351A Method of transmitting data in communicating system |
| 07/31/2001 | US6269204 Method and system for monitoring of optical transmission lines |
| 07/31/2001 | US6269200 All optical RF signal channelizer |
| 07/31/2001 | US6268955 Optical amplifier and wave length division multiplexed light transmission system |
| 07/31/2001 | US6268946 Apparatus for communicating diversity signals over a transmission medium |
| 07/31/2001 | US6268945 Stable power control for optical transmission systems |
| 07/31/2001 | US6268944 Free-space optical lasercom system |
| 07/31/2001 | US6268943 Optical SNR measurer in WDM optical transmitting device |
| 07/31/2001 | CA2207504C Node in optical tdm network |
| 07/27/2001 | CA2332204A1 A process for improving the signal quality of optical signals, a transmission system and a transmitter |
| 07/26/2001 | WO2001054321A1 Electrooptical data-transmission module |
| 07/26/2001 | WO2001054320A1 Multi-port optical amplifier |
| 07/26/2001 | WO2001054319A1 Method and apparatus for monitoring of data channels |
| 07/26/2001 | WO2001054318A1 Attenuator integrated with modulator and transmitting module for wdm system using the same |
| 07/26/2001 | WO2001054316A2 Method for determining the quality of data signals and for identifying parasitic signals in optical transmission networks |
| 07/26/2001 | WO2000079690A3 Receiving multiple wavelengths at high transmission rates |
| 07/26/2001 | WO2000045213A9 Opto-electronic techniques for reducing phase noise in a carrier signal by carrier suppression |
| 07/26/2001 | US20010009730 Non-magnetic substrate, underlayer, perpendicular magnetization film made of cobalt-based alloy, intermediate layer of nonmagnetic material having hexagonal closed packed structure or ferromagnetic material; low noise, high density |
| 07/26/2001 | US20010009468 Method and system for compensating for chromatic dispersion in an optical network |
| 07/26/2001 | US20010009467 Dispersion compensation monitoring device and method, dispersion control apparatus and method, optical receiver, and optical transmission system |
| 07/26/2001 | US20010009466 Spatial light communication equipment |
| 07/26/2001 | US20010009465 WDM optical transmission system |
| 07/26/2001 | DE19963803A1 Adjusting frequency of transmitter laser in optical transmission system |
| 07/26/2001 | DE10001014A1 Optical phase/amplitude modulator for coherent optical data and message transmission system, has switch provided at input side of waveguide to adjust modulation state of branched light wave |
| 07/26/2001 | DE10000255A1 Channel equalisation device for wavelength division multiplex transmission path - has optical spectrograph for channel separation coupled to transmission path via optical circulator with subsequent equalisation of powers of separated channels |
| 07/26/2001 | CA2397049A1 Attenuator integrated with modulator and transmitting module for wdm system using the same |
| 07/25/2001 | EP1119119A1 Local generator with PLL for phase synchronization of clock signal with bits in optical pulse stream |
| 07/25/2001 | EP1118181A1 Wdm-channel equalizer |
| 07/25/2001 | EP1118180A2 Improvement in optical multichannel systems |
| 07/25/2001 | EP1118176A1 In-line predistorter for linearization of electronic and optical signals |
| 07/25/2001 | EP1096703A9 Long-band light source for testing optical elements using feedback loop |
| 07/25/2001 | EP0801726B1 Circuit for setting the operating point of an opto-electronic component |
| 07/25/2001 | CN2440290Y Close-wave-dividing shared device |
| 07/25/2001 | CN1305670A Method and multi-wavelength selective switch for switching and redirection of optical wavelenths |
| 07/25/2001 | CN1305668A Protection of WDM-channels |
| 07/25/2001 | CN1305605A Single-photon-emission apparatus |
| 07/25/2001 | CN1305599A Emulator and compensator for polarization mode dispersion |
| 07/25/2001 | CN1305276A Transmission method of grading multidimensional frequency in optical fiber communication |
| 07/25/2001 | CN1305275A Infrared signal transmission system of language laboratory |
| 07/25/2001 | CN1069014C Time-division multiple address radio telephone system and antenna device and base station of the same |
| 07/24/2001 | US6266466 Optical amplifier and optical transmission system |
| 07/24/2001 | US6266457 System and method for differential group delay compensation |
| 07/24/2001 | US6266344 Data communication method, electronic apparatus, and physical-layer-control integrated circuit |
| 07/24/2001 | US6266181 Allows an optical amplifier and a laser device that have broadband and low-noise; splicing optical fibers reliably with low fiber-loss and low reflection |
| 07/24/2001 | US6266179 Optical transmission apparatus, optical repetition apparatus and optical transmission method |
| 07/24/2001 | US6266173 Optical FM receiver |
| 07/24/2001 | US6266172 Signal bit rate and performance measurement for optical channel signals |
| 07/24/2001 | US6266171 System and method for reduction of impact from unwanted signals in optical communications systems |
| 07/24/2001 | US6266170 Method and system for compensating for chromatic dispersion in an optical network |
| 07/24/2001 | US6266169 Optical transmission equipment which transmits an amplified optical data signal and an optical surveillance signal |
| 07/24/2001 | US6266168 Optical protection switch employing an interference filter |
| 07/24/2001 | US6265971 Fiber-sync communications channel |
| 07/24/2001 | US6264377 Bidirectional optical semiconductor apparatus |
| 07/24/2001 | CA2188189C Multi-ring sonet architecture |
| 07/19/2001 | WO2001052455A1 Communications system with digital return path |
| 07/19/2001 | WO2001052454A1 Electro-optic interface system and method of operation |
| 07/19/2001 | WO2001052453A1 Optical communication system using a high altitude tethered balloon |
| 07/19/2001 | WO2001052452A1 Wireless digital high speed communications |