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