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)
06/2005
06/21/2005US6909734 High-power, manufacturable sampled grating distributed Bragg reflector lasers
06/21/2005US6909731 Statistic parameterized control loop for compensating power and extinction ratio of a laser diode
06/21/2005US6909605 Optical communication boards including power control function and system having the boards
06/21/2005US6909550 Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion
06/21/2005US6909536 Optical receiver including a linear semiconductor optical amplifier
06/21/2005US6909535 Optical communication system employing raman amplification
06/21/2005US6909508 Measuring optical waveforms
06/21/2005US6909386 Duo-binary encoder and optical duo-binary transmission apparatus
06/21/2005US6909378 Method and system for upgrading a universal remote control
06/21/2005US6909082 Automatic threshold control device for burst mode optical receiver
06/21/2005CA2349200C Optical transmission apparatuses, methods, and systems
06/21/2005CA2187132C Optical time domain reflectometer with internal reference reflector
06/16/2005WO2005055482A1 Apparatus and method for providing hfc forward path spectrum
06/16/2005WO2005055476A1 Wavelength division multiplex optical ring network
06/16/2005WO2005055475A1 Method and apparatus for producing rz-dpsk modulated optical signals
06/16/2005WO2005055474A1 Optical wireless connecting terminal comprising an extended infrared source
06/16/2005WO2005055436A2 Transceiver for optical transmission
06/16/2005WO2005055432A1 Apparatus and method for reconfigurable data conversion
06/16/2005WO2005055416A1 Photo-receiving pre-amplifier
06/16/2005WO2005055412A2 Continuously tunable coupled opto-electronic oscillators having balanced opto-electronic filters
06/16/2005WO2005054908A2 Undersea optical transmission system employing raman gain to mitigate shallow water repair penalties
06/16/2005WO2005027378A8 An optical voltage controlled oscillator for an optical phase locked loop
06/16/2005WO2005022207A3 Dispersion compensation using adjustable iir filter
06/16/2005WO2004112264B1 System and method for performing high-speed communications over fiber optical networks
06/16/2005US20050129415 Digital regulated light receive module and regulation method
06/16/2005US20050129414 Testing of transimpedance amplifiers
06/16/2005US20050129413 Method of transmitting information with the help of chaotic signals
06/16/2005US20050129412 Method and apparatus for multi-band optical switching using multi-pump parametric devices
06/16/2005US20050129411 Apparatus and method for optimizing bias voltage of electro-optic modulator and optical transmitting system using the same
06/16/2005US20050129410 Vehicular optical communications system
06/16/2005US20050129409 Polarisation mode dispersion compensator using a mean square error technique
06/16/2005US20050129408 Optical transmission system for removing skew between optical channels
06/16/2005US20050129407 Imaging lens for multi-channel free-space optical interconnects
06/16/2005US20050129406 Optical space transmission apparatus and optical space communication system
06/16/2005US20050129405 Method and arrangement for signaling in a network comprising nodes with optical ports
06/16/2005US20050129402 WDM-PON system with optical wavelength alignment function
06/16/2005US20050129382 Signal light noise reduciton apparatus and signal light noise reduction method
06/16/2005US20050129362 Mitigation of stimulated brillouin scattering in electromagnetic waveguides using wavelenght-selective mirrors
06/16/2005US20050129350 Optical transmission network with transmitter photonic integrated circuit (TxPIC) utilizing an optical service channel (OSC)
06/16/2005US20050129346 Dynamic polarization mode dispersion emulator
06/16/2005US20050129345 Device for optical signal transmission between two units movable relative to each other
06/16/2005US20050128939 Method of performing protected transmission over a wavelengh-division multiplexed network
06/16/2005US20050128591 Optical component, optical device and optical communications system
06/16/2005US20050128569 Gain-providing optical power equalizer
06/16/2005US20050128568 Signal transmission in an optical system
06/16/2005US20050128556 Apparatus and method for stabilizing bias voltage for pulse generating modulator
06/16/2005US20050128555 Apparatus and method for automatically correcting bias voltage for carrier suppressed pulse generating modulator
06/16/2005US20050128540 Beam shaping element for use in a lithographic system
06/16/2005US20050128466 USB optical time domain reflectometer
06/16/2005US20050128119 Remote control transmitter
06/16/2005US20050128090 FSOC/radio intrusion detection system
06/16/2005CA2547106A1 Apparatus and method for providing hfc forward path spectrum
06/15/2005EP1542494A2 Method and apparatus for multi-band optical switching using multi-pump parametric device
06/15/2005EP1542493A2 Coupler-based optical cross-connect
06/15/2005EP1542417A1 Duobinary receiver
06/15/2005EP1542413A1 Optical interconnections in an ATM switch
06/15/2005EP1542380A2 Optical apparatus for bidirectional optical communication
06/15/2005EP1542379A2 System and method for detecting imperfect connections in optical systems
06/15/2005EP1542185A1 FSOC/radio intrusion detection system
06/15/2005EP1540890A2 Optical network with distributed sub-band rejections
06/15/2005EP1540859A2 Adaptor arrangement for detecting faults in an optically amplified multi-span transmission system using a remotely located otdr
06/15/2005EP1540858A1 Method for the transmission of optical polarization multiplex signals
06/15/2005EP1540857A1 Optical receiver having compensation for kerr effect phase noise
06/15/2005EP1540856A2 Method and apparatus for performing system monitoring in a terminal independent interface located between a terrestrial optical terminal and an undersea optical transmission path
06/15/2005EP1540855A2 Method and apparatus for providing a terminal independent interface between a terrestrial optical terminal and an undersea optical transmission path
06/15/2005EP1540854A2 Otdr arrangement for detecting faults in an optical transmission system on a span by span basis
06/15/2005EP1540722A2 Photonic devices and pics including sacrificial testing structures and method of making the same
06/15/2005EP1379836A4 An optical amplifier employing an active doped unitary amplifier
06/15/2005EP1374450A4 Wireless optical system for multidirectionial high bandwidth communications
06/15/2005EP1025432A4 Interlocked high power fiber system using otdr
06/15/2005EP0950294A4 An optical transmitting and receiving system
06/15/2005EP0950293A4 Monitoring system using an optical side tone as a test signal
06/15/2005EP0920731B1 Duobinary coding and modulation technique for optical communication systems
06/15/2005CN2704975Y Optical network card based on PCI bus and plastic optical fibre cable
06/15/2005CN1628431A Method and system for demultiplexing non-intensity modulated wavelength division multiplexed (WDM) signals
06/15/2005CN1628401A Cascaded raman pump for raman amplification in optical systems
06/15/2005CN1628259A Conversion between optical and radio frequency signals
06/15/2005CN1627832A Expanded system of transmission equipment
06/15/2005CN1627670A Wavelength division multiplex optical transmission system, and transmission method
06/15/2005CN1627669A Optical receiver and data communication apparatus comprising same
06/15/2005CN1627668A Far infrared transceiver of mobile communication terminal and its control method
06/15/2005CN1627667A Duobinary receiver
06/15/2005CN1627343A Light show ASIC
06/15/2005CN1206825C Optical packet-switched networks node structure based on adjustable laser
06/15/2005CN1206824C Optical-fibre signal interface circuit
06/15/2005CN1206823C Optical transmissionchain path adopting high-flux optical filter
06/15/2005CN1206779C Automatic power control and laser sloep efficiency normalizing circuit
06/15/2005CN1206553C One-dimensional micromechanical electronic NXN optical space exchanger
06/15/2005CN1206551C Distribution management opticalfiber, its manufacturing method, optical communication system employing the optical fiber and optical fiber base material
06/15/2005CN1206550C A method for making perpendicular smooth reflection-type microscope
06/14/2005US6907202 Burst signal detection circuit
06/14/2005US6907201 Optical power transient control system and method
06/14/2005US6907200 Dispersion compensating module, line switching apparatus and optical communication system
06/14/2005US6907199 Method for polarization mode dispersion compensation
06/14/2005US6907198 Wavelength division multiplexed optical interconnection device
06/14/2005US6907197 Method and apparatus for measuring and estimating optical signal to noise ratio in photonic networks
06/14/2005US6907196 Arrangement and method for testing fiber optic telecommunications circuits over dense wavelength division multiplexing (DWDM)
06/14/2005US6907195 Terminals having sub-band substitute signal control in optical communication systems
06/14/2005US6907172 Optical transmission line and optical communication system
06/14/2005US6907171 Optical fiber composite and optical fiber cable and production method thereof