Patents
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)
03/2003
03/18/2003CA2357428A1 Method and apparatus for compensating for polarizatin mode dispersion in optical devices
03/13/2003WO2003021835A2 Technique for channel count and power control in optical networks
03/13/2003WO2003021823A2 Ring network made using a dual optical data bus
03/13/2003WO2003021822A1 Polarization mode dispersion compensator based on degree of polarization
03/13/2003WO2003021821A1 Polarization mode dispersion compensator
03/13/2003WO2003021820A1 System and method for increasing upstream communication efficiency in an optical network
03/13/2003WO2002087091A3 Burst-mode digital transmitter
03/13/2003WO2002086555A3 Method and apparatus for aligning optical wireless links
03/13/2003WO2002054821A3 Digital cross-connect
03/13/2003WO2002042815A3 Dispersion managed optical fiber and system
03/13/2003WO2002033466A3 Optical serial link
03/13/2003WO2002013424A3 Methods and systems for digitally processing optical data signals
03/13/2003WO2001095537A3 Athermalization and pressure desensitization of diffraction grating based wdm devices
03/13/2003US20030050241 Extracellular proteins, secreted proteins, membrane-bound proteins; nucleic acid molecules encoding these polypeptides, as well as vectors and host cells having those nucleic acid sequences; fusion to heterologous polypeptides; antibodies
03/13/2003US20030050240 Extracellular proteins, secreted proteins, membrane-bound proteins; nucleic acid molecules encoding these polypeptides, as well as vectors and host cells having those nucleic acid sequences; fusion to heterologous polypeptides; antibodies
03/13/2003US20030048999 Optical unit with increased reliability
03/13/2003US20030048984 All-optical dynamic gain equalizer
03/13/2003US20030048977 Dispersion-compensated optical fiber amplifier
03/13/2003US20030048820 Optical source driver with bias circuit for controlling output overshoot
03/13/2003US20030048805 Dynamic bandwidth allocation circuit, dynamic bandwidth allocation method, dynamic bandwidth allocation program and recording medium
03/13/2003US20030048801 System, method, and computer program product for ethernet passive optical networks
03/13/2003US20030048526 Optical amplifier
03/13/2003US20030048525 Method, device, and system for level equalization
03/13/2003US20030048515 Optical transmission system
03/13/2003US20030048514 Branching unit for an optical transmission system
03/13/2003US20030048513 Multi-channel optical transceiver
03/13/2003US20030048512 Optical transceiver and transmission media converter
03/13/2003US20030048511 Optical transceiver
03/13/2003US20030048509 Optical communications terminal station, optical signal transmission method, and optical signal increasing method in wavelength multiplexing system
03/13/2003US20030048508 Terminals having sub-band substitute signal control in optical communication systems
03/13/2003US20030048505 Techniaue for live insertion of transceiver modules in a telecommunication system
03/13/2003US20030048503 Multi-frequency light source
03/13/2003US20030048502 Methods of signal substitution for maintenance of amplifier saturation
03/13/2003US20030048499 Methods of improving line of sight wireless optical communication through adverse environmental conditions
03/13/2003US20030048498 Optical performance monitor
03/13/2003US20030048497 Bit differential processing
03/13/2003US20030048434 Reflectometer with improved receiver sensibility
03/13/2003US20030047667 Photoreceiver assembly for high-powered lasers
03/12/2003EP1292059A2 Method for testing an optical transceiver
03/12/2003EP1292056A2 A multi-channel optical loading channel transmitter
03/12/2003EP1292054A2 Dynamic bandwidth allocation circuit, dynamic bandwidth allocation method, dynamic bandwidth allocation program and recording medium
03/12/2003EP1292052A1 Optical dispersion compensating device and optical dispersion compensating method using the device
03/12/2003EP1291986A2 Apparatus and method for processing an optical signal
03/12/2003EP1291985A1 Gain flattening optical filter, optical amplifier comprising such an optical filter and method for manufacturing such an optical filter
03/12/2003EP1291707A1 Optical saturable absorber and its use for regenerating a wavelength division multiplexed signal
03/12/2003EP1291693A1 Installation of processing units interconnected via free space optics
03/12/2003EP1291688A2 Optical transmission line and optical communication system
03/12/2003EP1291686A1 Optical fiber
03/12/2003EP1291685A1 Optical fibre with continuously varying chromatic dispersion
03/12/2003EP1290843A2 Method and apparatus for optical signal detection
03/12/2003EP1290834A2 Multiple access system for communications network
03/12/2003EP1290815A2 Optical transmission system with control of the chromatic dispersion
03/12/2003EP1290566A1 Universal serial bus connecting apparatus
03/12/2003CN2540067Y On-line monitor for optical communication
03/12/2003CN1402534A Remote controller capable of inputting characters
03/12/2003CN1402447A Refraction and diffraction hybrid wavelength devision multiplexing method and structure
03/12/2003CN1402446A Automatic synchronous optic pass switching method and device
03/12/2003CN1402445A Optic transmission system
03/12/2003CN1402073A Distributed Raman amplification subsystem and device
03/12/2003CN1402070A Temp-non-sensitive array waveguide grating
03/12/2003CN1402051A Polarization independent type optical isolator and mfg. method thereof
03/12/2003CN1402034A Using (110) silicon wafer to manufacture micromechanical photoswitch, array of photoswitch and method
03/12/2003CN1103172C Duplex out door base station transceiver subsystem utilizing hybrid system
03/12/2003CN1103150C Optical multiple wavelength communications system and method
03/11/2003US6532330 Dispersion managed optical transmission line and method for making same
03/11/2003US6532324 Optical multiplexer/demultiplexer with three waveguides
03/11/2003US6532104 C-band and L-band optical amplifier for submarine transmission systems
03/11/2003US6532103 Optical fiber amplifier and optical transmission system using the same
03/11/2003US6532102 Optical amplifier
03/11/2003US6532101 System and method for wide band Raman amplification
03/11/2003US6532099 Optical communications apparatus
03/11/2003US6532091 Optical digital regenerator
03/11/2003US6532089 Optical cross-connect, method of switching over optical path, optical ADM, and optical cross-connect network system
03/11/2003US6532087 Multiple signal Q-tester
03/10/2003CA2665714A1 Dynamic bandwidth allocation circuit, dynamic bandwidth allocation method, optical network unit, pon system, and dynamic bandwidth allocation program and recording medium
03/06/2003WO2003019974A1 Optical switching device for wavelength division multiplex (wdm) telecommunications network
03/06/2003WO2003019824A1 Optical transmission system
03/06/2003WO2003019823A1 Four wave mixing reduction in raman amplifiers
03/06/2003WO2003019822A1 A reconfigurable data communications system with a removable optical i3ackplane connector
03/06/2003WO2003019258A1 Optical communications systems, devices, and methods
03/06/2003WO2003019240A2 Optical communications systems, devices, and methods
03/06/2003WO2003005611A3 System and method for communicating optical signals to multiple subscribers having various bandwidth demands connected to the same optical waveguide
03/06/2003WO2002103418A3 Integrated optical device
03/06/2003WO2002093791A9 Hyper-dense wavelength multiplexing system
03/06/2003WO2002035743A3 Polarization mode dispersion compensating apparatus, system, and method
03/06/2003US20030046293 Method and system for channel count and power control in optical networks
03/06/2003US20030044636 Free-space optical communication apparatus and free-space optical communication system
03/06/2003US20030044146 Optical transmission line and optical communication system
03/06/2003US20030044145 Fiber with continuously changing chromatic dispersion
03/06/2003US20030044113 Optical transmission device and optical transmission system employing the same
03/06/2003US20030044111 Multi-channel optical loading channel transmitter
03/06/2003US20030044110 WDM switch using OADM and control method thereof
03/06/2003US20030044109 Optical add-drop multiplexing apparatus
03/06/2003US20030043972 Wireless entertainment system for a vehicle
03/06/2003US20030043862 Dispersion compensation using optical wavelength locking for optical fiber links that transmit optical signals generated by short wavelength transmitters
03/06/2003US20030043826 Apparatus and method for client registration in an automatically switchable optical network
03/06/2003US20030043752 Optical transceiver, a multiplexing integrated circuit, a demultiplexing integrated circuit, an integral multiplexing/demultiplexing integrated circuit, and method for evaluating and testing the optical transceiver
03/06/2003US20030043484 Saturable light absorber structure and a device incorporating the structure for regenerating a wavelength division multiplexed signal
03/06/2003US20030043446 Optical modulator which optimizes NRZ modulation
03/06/2003US20030043445 State of polarization detector