| 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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| 04/23/2009 | CA2709779A1 System and method to determine chromatic dispersion in short lengths of waveguides using a 3-wave interference pattern and a single-arm interferometer |
| 04/23/2009 | CA2700763A1 Phase shift keyed high speed signaling |
| 04/23/2009 | CA2612427A1 Method of initiating dtmf diagnostics and other features via a call-in diagnostics interface |
| 04/22/2009 | EP2051417A1 A dispersion compensation method and optical transmission system |
| 04/22/2009 | EP2051416A1 Electronic dispersion precompensation for a directly modulated laser |
| 04/22/2009 | EP2051415A1 A remotely pumping type multi-wavelength light transmission system |
| 04/22/2009 | EP2051414A1 Optical receiver systems and methods for polarization demultiplexing, PMD compensation, and DXPSK demodulation |
| 04/22/2009 | EP2051412A2 Bidirectional HDCP-based data transmission apparatus using single optical fiber |
| 04/22/2009 | EP2051411A1 Quantum communication apparatus, quantum communication system and quantum communication method |
| 04/22/2009 | EP2050213A2 Long-distance passive optical network using the off-site modulation of an optical amplifying signal |
| 04/22/2009 | EP2050168A2 Reducing noise in a fiber amplifier using a cleaning optical signal |
| 04/22/2009 | EP1797654B1 Method and arrangement for the optical transmission of data signals by means of differential phase modulation in a polarisation multiplex method |
| 04/22/2009 | EP1749357B1 Method and apparatus for producing high extinction ratio data modulation formats |
| 04/22/2009 | EP1706766B1 Low polarisation mode dispersion (pmd) optical fiber link, and method of making the same |
| 04/22/2009 | CN201226577Y Integration structure communication equipment |
| 04/22/2009 | CN201226519Y Communication system for railway special network based on passive optical network |
| 04/22/2009 | CN101416450A Non-contact programming and test for memory element |
| 04/22/2009 | CN101416428A Method for regulating osnr in a fiber optic communication line using raman amplification |
| 04/22/2009 | CN101416427A Maximum likelihood sequence estimation in optical fibre communication systems |
| 04/22/2009 | CN101416426A Directly modulated laser with integrated optical filter |
| 04/22/2009 | CN101415131A Self-adapting transmission control method for optical network based on signaling |
| 04/22/2009 | CN101415130A Method for optimizing transmission quality of optical network based on physical damnification information |
| 04/22/2009 | CN101415129A Method for configuring service quality parameter of Ethernet passive optical network |
| 04/22/2009 | CN101414941A Method for mapping business of G-bit passive optical network system |
| 04/22/2009 | CN101414932A Method, system and apparatus managing alarm of long-distance passive optical network system |
| 04/22/2009 | CN101414925A Method, system and apparatus for configuring optical network terminal |
| 04/22/2009 | CN101414920A Method for implementing multicast preview in point-to-multi-point optical network |
| 04/22/2009 | CN101414891A Optical communication system, optical communication apparatus, and optical communication method thereof |
| 04/22/2009 | CN101414882A Optical receiver systems and methods for polarization demultiplexing, pmd compensation, and dxpsk demodulation |
| 04/22/2009 | CN101414881A Method for generating down link structure and frequency-tunable millimeter wave of millimeter wave optical fiber transmission system |
| 04/22/2009 | CN101414880A Fiber optic link, a transceiver for use in the link, and methods for designing and constructing fiber optic links and transceivers |
| 04/22/2009 | CN101414879A Systems and methods for phase control for RZ-DQPSK modulation |
| 04/22/2009 | CN101414878A Method and apparatus for implementing trunk optical fiber rapid protection switching of EPON system |
| 04/22/2009 | CN100481860C Mobile data receiving method and apparatus by computer |
| 04/22/2009 | CN100481824C Improvements in optical communications |
| 04/22/2009 | CN100481636C Plug-in with locking mechanism and optical transceiver |
| 04/22/2009 | CN100480749C Chiral in-fiber polarizer apparatus and method |
| 04/21/2009 | US7522848 Receiver with dynamically adjustable decision threshold voltage based on input power |
| 04/21/2009 | US7522847 Continuous time filter-decision feedback equalizer architecture for optical channel equalization |
| 04/21/2009 | US7522846 Transmission power optimization apparatus and method |
| 04/21/2009 | US7522845 WDM laser wavelength control |
| 04/21/2009 | US7522843 Optical repeater converting wavelength and bit rate between networks |
| 04/21/2009 | US7522842 Optical transmission system using Raman amplification |
| 04/21/2009 | US7522841 Efficient data transmission and training of data processing functions |
| 04/21/2009 | US7522840 Adjustable boot speed in an optical transceiver |
| 04/21/2009 | US7522839 Method of upgrading optical node, and an optical node apparatus |
| 04/21/2009 | US7522835 Method of testing bit error rates for a wavelength division multiplexed optical communication system |
| 04/21/2009 | US7522533 Optical transmission apparatus having path trace function |
| 04/21/2009 | US7522334 Optical communication systems including optical amplifiers and amplification methods with flat noise figure profile |
| 04/21/2009 | US7520682 Transceiver module and optical bench for passive alignment |
| 04/19/2009 | CA2641082A1 Ad-hoc secure communication networking based on formation flight technology |
| 04/17/2009 | CA2610257A1 Apparatus, system, and method for delivering voice communications |
| 04/16/2009 | WO2009049256A2 Communication network with skew compensation |
| 04/16/2009 | WO2009048821A2 Downhole optical communication system and method |
| 04/16/2009 | WO2009048572A1 Coupled-resonator optical mach-zehnder modulator and resonator-assisted method of controlling the radio-frequency response of the modulator |
| 04/16/2009 | WO2009048506A1 Hybrid wireless/wired transponder and hybrid radio-over-fiber communication system using same |
| 04/16/2009 | WO2009048121A1 Optical modulator and optical communication system |
| 04/16/2009 | WO2009047856A1 Optical pulse generator and optical signal processor |
| 04/16/2009 | WO2009047428A2 Digital transmission of data in white light by leds |
| 04/16/2009 | WO2009047413A1 Reconfiguration of network termination devices |
| 04/16/2009 | WO2009046759A1 Receiving apparatus and method for electronic noise compensation in phase modulated optical transmission |
| 04/16/2009 | WO2009046596A1 A method for realizing time slot partition and spending process of an optical payload unit in an optical transmission network |
| 04/16/2009 | WO2009025687A3 Method and apparatus for transmitting optical signals |
| 04/16/2009 | WO2009025474A3 Time division multiple access over wavelength division multiplexed passive optical network |
| 04/16/2009 | WO2009020692A3 Frequency modulated burst mode transmitter |
| 04/16/2009 | WO2008118307A3 Periodically filtered broadband light source |
| 04/16/2009 | WO2008066951A3 System and apparatus for optical communications through a semi-opaque material |
| 04/16/2009 | WO2007030832A3 High impedance differential input preamplifier and antenna for magnetic resonance systems |
| 04/16/2009 | WO2007005662A3 Testing of receivers with separate linear o/e module and host used in communication links |
| 04/16/2009 | WO2006113553A3 Dynamic bandwidth allocation and service differentiation for broadband passive optical networks |
| 04/16/2009 | WO2006094081A3 Electromagnetic device with integral non-linear component |
| 04/16/2009 | WO2006086120A3 Optical reservation-based network switch fabrics |
| 04/16/2009 | WO2006081365A3 Capacity management system for passive optical networks |
| 04/16/2009 | WO2006019369A3 A private and secure optical communication system using an optical tapped delay line. |
| 04/16/2009 | US20090097867 Optical receiver using mach-zehnder interferometer |
| 04/16/2009 | US20090097866 Optical receiving device and optical transmission system |
| 04/16/2009 | US20090097865 Method and system for a narrowband, non-linear optoelectronic receiver |
| 04/16/2009 | US20090097864 Systems and methods for phase control for rz-dqpsk modulation |
| 04/16/2009 | US20090097863 Optical transmitter with a chirp managed laser diode automatically adjusting emission wavelength thereof and its adjusting method |
| 04/16/2009 | US20090097862 Quantum Repeater |
| 04/16/2009 | US20090097860 Optical Dispersion Compensation |
| 04/16/2009 | US20090097859 Emitter, converter, and display system using same |
| 04/16/2009 | US20090097858 Optical data transceivers |
| 04/16/2009 | US20090097857 Downhole optical communication system and method |
| 04/16/2009 | US20090097856 Receiver apparatus for use in optical space transmission system |
| 04/16/2009 | US20090097855 Hybrid wireless/wired RoF transponder and hybrid RoF communication system using same |
| 04/16/2009 | US20090097854 Optical signal processing apparatus |
| 04/16/2009 | US20090097846 RFID Systems and Methods for Optical Fiber Network Deployment and Maintenance |
| 04/16/2009 | US20090097845 Network termination apparatus |
| 04/16/2009 | US20090097844 Sensing a disturbance |
| 04/16/2009 | US20090097843 Optical Phase Modulator With Monitoring Structure |
| 04/16/2009 | US20090097842 System and method for sonet equipment fault management |
| 04/16/2009 | US20090097650 Detection Arrangement |
| 04/16/2009 | US20090097520 Inexpensive variable rep-rate source for high-energy, ultrafast lasers |
| 04/16/2009 | US20090097378 Data transmission optical device comprising a source emitting a laser beam |
| 04/16/2009 | US20090097101 Delay-line demodulator |
| 04/16/2009 | US20090095575 Elevator system |
| 04/16/2009 | CA2702359A1 Communication network with skew compensation |
| 04/15/2009 | EP2047616A1 Raman amplification in distributed optical fiber sensing systems |
| 04/15/2009 | EP2047615A2 Method and apparatus for the generation and detection of optical differential varied-multilevel phase-shift keying with pulse amplitude modulation (odvmpsk/pam) signals |