Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › 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
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)
05/2003
05/20/2003US6567580 Optical combiner system and method
05/20/2003US6567579 Multi-channel, multi-mode redundant optical local loop having a bus topology
05/20/2003US6567578 Fiber optic device operating at two or more wavelengths
05/20/2003US6567577 Method and apparatus for providing chromatic dispersion compensation in a wavelength division multiplexed optical transmission system
05/20/2003US6567440 Semiconductor laser driving method and optical disc apparatus
05/20/2003US6567436 Opto-electronic oscillators having optical resonators
05/20/2003US6567208 Amplification of a C-band and L-band of a optical signal using a common laser signal
05/20/2003US6567207 Optical transmission systems and optical amplifiers for use therein
05/20/2003US6567200 Photoelectric current amplifying circuit
05/20/2003US6567199 Digital optical transmission apparatus and method for performing ASK modulation to generate base band component with constant DC level
05/20/2003US6567198 Wavelength stabilizer in WDM optical transmission system
05/20/2003US6567197 Optical ring network architecture
05/20/2003US6567195 Optical network using remote optical powering of optoelectronic switch
05/20/2003US6567167 Compensating polarization mode dispersion in fiber optic transmission system
05/16/2003CA2412040A1 Attenuation devices
05/15/2003WO2003041307A2 Photonic constant envelope rf modulator
05/15/2003WO2003041306A2 Characterization of a transmission path of an optical signal having an optical communication signal
05/15/2003WO2003041305A1 Integrated optoelectronic subsystem hardware/software dual mode control
05/15/2003WO2003041281A2 Re-configurable dispersion compensation module (rdcm)
05/15/2003WO2003041280A2 Method and apparatus for sharing infrastructure between wireless network operators
05/15/2003WO2003040777A2 Integrated adaptive chromatic dispersion/polarization mode dispersion compensation system
05/15/2003WO2003040776A2 Highly negative-slope dispersion compensating optical fiber and transmission system including the same
05/15/2003WO2003040769A2 Polarization control using polarization modulation
05/15/2003WO2003040768A2 Polarization controlling
05/15/2003WO2002047122A3 Methods and apparatus for beaming power
05/15/2003WO2001084747A3 Telescope mirror for high bandwidth free space optical data transmission
05/15/2003US20030091350 Reading disk data, detecting the defects, adjusting the wavelength frequency; optical disc drives, computer systems
05/15/2003US20030091348 An acoustic device such as earphone, head phone or display device, don't have the restriction of cable or wiring; tele-conference system
05/15/2003US20030091309 Highly negative-slope dispersion compensating fiber and transmission system including same
05/15/2003US20030091283 Tunable chromatic compensator
05/15/2003US20030091273 Branching unit
05/15/2003US20030091258 Optical transmission device
05/15/2003US20030090818 Co-aligned receiver and transmitter for wireless link
05/15/2003US20030090806 Multi-channel wavelength locker using gas tuning
05/15/2003US20030090785 Light amplifier and light transmission system using the same
05/15/2003US20030090783 Optical system and method
05/15/2003US20030090781 Raman amplifier
05/15/2003US20030090780 Optical fiber transmission system, raman gain slope measuring device and raman gain slope measuring method
05/15/2003US20030090777 Remotely locatable RF power amplification system
05/15/2003US20030090770 Optical transmission system
05/15/2003US20030090769 Cosite interference rejection system using an optical approach
05/15/2003US20030090768 Long haul optical communication system
05/15/2003US20030090767 Agile RF-lightwave waveform synthesis and an optical multi-tone amplitude modulator
05/15/2003US20030090766 Modulation and filtration of optical signals
05/15/2003US20030090765 Free-space optical communication system
05/15/2003US20030090764 Polarization scrambler, and a method for polarization scrambling
05/15/2003US20030090761 Optical WDM transmission system having a distributed arrangement of regenerators
05/15/2003US20030090760 Method for transmitting at least one first and one second data signal in polarization division multiplex in an optical transmission system
05/15/2003US20030090759 Optical ring network architecture
05/15/2003US20030090757 Noise light elimination method, noise light elimination apparatus and optical transmission system, using stimulated brillouin scattering
05/15/2003US20030090755 Osnr montoring method and apparatus for the optical networks
05/15/2003US20030090320 Fiber-to the-home (FTTH) optical receiver having gain control and a remote enable
05/15/2003CA2465518A1 Integrated adaptive chromatic dispersion/polarization mode dispersion compensation system
05/14/2003EP1311079A1 Phase controlled optical signal transmission system
05/14/2003EP1311078A1 Optical transmission system error rate measurement method and apparatus for carrying out this method
05/14/2003EP1310134A2 Optical transpose system
05/14/2003EP1310055A1 Gain control in raman amplifiers
05/14/2003EP1310054A1 Amplifier system with distributed and discrete raman fiber amplifiers
05/14/2003EP1310053A1 Multi-level optical signal generation
05/14/2003EP1068613B1 Low-birefringence optical fiber for use in an optical data storage system
05/14/2003EP1066629B1 Low noise optical storage system based on an optical polarimetric delay line
05/14/2003CN2550969Y Code model converting device for digital communication
05/14/2003CN2550806Y 可调式光衰减器 Adjustable optical attenuator
05/14/2003CN2550782Y Optic switch with indicator
05/14/2003CN2550781Y 光学交换器 Optical Switch
05/14/2003CN1418416A Raman amplifier system
05/14/2003CN1417994A Folded cellphone
05/14/2003CN1417968A Light signal regulating method and light transmission system for high-speed transmission system
05/14/2003CN1417632A Glass waveguide light amplifier
05/14/2003CN1417620A Lithium niobate modulator and its making process
05/14/2003CN1417604A Double-ring coupled all optical buffer storage
05/14/2003CN1417599A Buried light waveguide and its prepn process
05/14/2003CN1417567A Optical fiber test method and device
05/14/2003CN1108724C Optical telecommunication network
05/14/2003CN1108671C Multiprotocol directed infrared communication controller
05/13/2003US6563978 Optical transmission system and optical coupler/branching filter
05/13/2003US6563846 Multifunction optical transmitter for DWDM system
05/13/2003US6563630 Optical amplifier apparatus
05/13/2003US6563623 System for transmitting optical data
05/13/2003US6563622 High-speed communications system
05/13/2003US6563621 Bit-rate and format insensitive all-optical clock extraction circuit
05/13/2003US6563619 Infrared data communication apparatus and method
05/13/2003US6563618 Post connection dual IRDA port power management
05/13/2003US6563617 Optical apparatus using a 2D-spatial light modulator
05/13/2003US6563615 Technique for detecting noise on a data channel
05/13/2003US6563614 Optical transmission system and amplifier control apparatuses and methods
05/13/2003US6563613 Optical subscriber network, and delay measurement method
05/13/2003US6561420 Information card system
05/13/2003CA2248477C Optical dispersion compensation
05/13/2003CA2243305C Optical module for receiving optical signal from optical fiber
05/13/2003CA2193018C Method and apparatus for reducing adverse effects of optical beat interference in optical communication systems
05/12/2003CA2411570A1 Optical wavelength conversion device
05/08/2003WO2003039044A2 Method and system for controlling the output of an optical pump energy source
05/08/2003WO2003038490A1 Optical all-pass filter with gain compensation
05/08/2003WO2003038477A2 Method and apparatus for compensating for polarization mode dispersion in optical devices
05/08/2003WO2002095437A3 Efficient use of detectors with long dead times
05/08/2003WO2002075970A3 Optical network with distributed signal regeneration
05/08/2003WO2002049240A8 True-time delay generator
05/08/2003WO2002045302A3 Device and method for detecting distortions during optical information transmission
05/08/2003WO2002035270A9 Waveguide fiber dispersion compensating regenerator
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