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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12/23/2004 | WO2004112287A1 Power tilt compensation using automatic power balance |
12/23/2004 | WO2004112286A1 Optical transmission system; and transmitter, receiver and signal level adjustment method for use therein |
12/23/2004 | WO2004112285A1 System, device, and method for radio frequency optical transmission |
12/23/2004 | WO2004112284A1 Optical transmission system of remote excitation method |
12/23/2004 | WO2004112264A2 System and method for performing high-speed communications over fiber optical networks |
12/23/2004 | WO2004112203A2 Modular optical device that interfaces with an external controller |
12/23/2004 | WO2004111707A2 Converting signals in passive optical networks |
12/23/2004 | WO2004111043A1 Zwitterionic non-linear optophores and devices incorporating same |
12/23/2004 | WO2004068874A3 Asymetric optical network traffic flow control |
12/23/2004 | WO2004066509A3 Statistic parameterized control loop for compensating power and extinction ratio of a laser diode |
12/23/2004 | WO2004008665A8 Device for protecting fibre lines against destruction by laser radiation |
12/23/2004 | US20040259498 Mobile telephone for personal communication |
12/23/2004 | US20040258423 Optical receiver for wavelength-division-multiplexed signals |
12/23/2004 | US20040258422 Optical communication system with multiple photonic integrated circuit (PIC) chips and an external booster optical amplifier for photonic integrated circuits (PICs) |
12/23/2004 | US20040258421 Quantum steganography |
12/23/2004 | US20040258420 Ultra-dense wavelength and subcarrier multiplexed optical and RF/mm-wave transmission system |
12/23/2004 | US20040258417 Wireless optical system for multidirectional high bandwidth communications |
12/23/2004 | US20040258416 Reflective optical apparatus for free-space optical communicating system |
12/23/2004 | US20040258415 Techniques for secure free space laser communications |
12/23/2004 | US20040258414 Apparatus and method for repeating signal by using wireless optical transmission |
12/23/2004 | US20040258410 Bit synchronization circuit and central terminal for PON systems |
12/23/2004 | US20040258378 Method of constructing an optical transmission line and an optical transmission line |
12/23/2004 | US20040258352 Variable dispersion compensator utilizing wavelength conversion |
12/23/2004 | US20040258349 Modular cross connect system with 3d-mems for optical telecommunication networks |
12/23/2004 | US20040258183 High speed circuits for electronic dispersion compensation |
12/23/2004 | US20040258181 Differential receiver circuit with electronic dispersion compensation |
12/23/2004 | US20040258145 Differential receiver circuit with electronic dispersion compensation for optical communications systems |
12/23/2004 | US20040257642 Method and apparatus for communicating status in a lightwave communication system employing optical amplifiers |
12/23/2004 | US20040257641 Optical amplifier, transmission system and method for optimization |
12/23/2004 | US20040257640 Raman amplification repeater |
12/23/2004 | US20040257564 Integrated polarization beam splitter with quarter-wave plate for polarimeter and PMD compensation applications |
12/23/2004 | US20040257457 System and method for optical data transfer |
12/23/2004 | DE10392214T5 Phasenmodulationsschaltung, Prüfvorrichtung und Kommunikationssystem Phase modulation circuit tester and communication system |
12/22/2004 | EP1489764A2 Optical transmitter-receiver and optical fiber |
12/22/2004 | EP1489763A1 Optical amplifier, transmission system and method for optimization |
12/22/2004 | EP1488573A2 Supervisory channel in an optical network system |
12/22/2004 | EP1488562A1 Synchronization system for all optical slotted ring dynamic networks |
12/22/2004 | EP1488561A1 Reservation-based mac and optical network |
12/22/2004 | EP1488552A1 Dynamic broadband optical equalizer |
12/22/2004 | EP1488551A1 Optical transmission system using an optical phase conjugation device |
12/22/2004 | EP1488550A1 Optical transmission system using an optical phase conjugation device |
12/22/2004 | EP1488549A2 Optical fiber receiver having an increased bandwidth |
12/22/2004 | EP1488548A2 Communication system and split-band amplifying apparatus using a depressed-profile fiber amplifier |
12/22/2004 | EP1488547A2 Systems and methods for active monitoring and management of fiber links |
12/22/2004 | EP1488546A1 Error propagation and signal path protection in optical network |
12/22/2004 | EP1488485A2 TRANSMITTER PHOTONIC INTEGRATED CIRCUIT (TxPIC) CHIP WITH ENHANCED POWER AND YIELD WITHOUT ON-CHIP AMPLIFICATION |
12/22/2004 | EP1488265A2 Demultiplexing optical signal receiver photonic integrated circuit (rxpic) and associated transmitter and method of testing a photonic integrated circuit |
12/22/2004 | EP1488264A1 Method and arrangement for signaling in a networkcomprising nodes with optical ports |
12/22/2004 | EP1192715B1 Opto-electrical actuation system and method |
12/22/2004 | EP0873605B1 Transmitting supervisory messages from a fiber amplifier |
12/22/2004 | CN2666040Y Self-adapting polarization mode dispersion compensation device |
12/22/2004 | CN2666039Y Optical fibre module case |
12/22/2004 | CN2665804Y Infrared transmission folding keyboard |
12/22/2004 | CN2665728Y Pigtail sleeve |
12/22/2004 | CN2665726Y Wavelength-division multiplex for measuring Raman scattering |
12/22/2004 | CN1557079A Infrared communications system comprising a coding function to reduce the maximum number of consecutive spaces in the signal sent |
12/22/2004 | CN1557060A Improvements in or relating to signal transmission in an optical system |
12/22/2004 | CN1556595A Monitoring station and data, video frequency image optical fiber mixed transmission system based on RS 485 chain circuit |
12/22/2004 | CN1556593A Digital interface circuit in light synchronous digit transmission system and its data demultiplexing method |
12/22/2004 | CN1556438A Gain dsplacement type thulium aduterated optical fiber amplifier using spontaneous radiation light source as auxiliary pumping |
12/22/2004 | CN1556426A Reflection type array wave guide modulating type photoswitch |
12/22/2004 | CN1556425A Regulatable optical appliance based on micro electromechanical system technology |
12/22/2004 | CN1556384A Optical cable circuit failure point precision locating method |
12/22/2004 | CN1181627C Digital multiplexing method and apparatus for fibre-optic transmission |
12/22/2004 | CN1181626C Optical amplifier for optical communication equipment |
12/22/2004 | CN1181564C Device with optical communication means |
12/22/2004 | CN1181364C Plastic fiber coupler and its making process |
12/21/2004 | US6834165 Parallel opto-electric structure for high sensitivity and wide bandwidth optical transceiver |
12/21/2004 | US6834164 Alignment of an optical transceiver for a free-space optical communication system |
12/21/2004 | US6834052 Band management circuit |
12/21/2004 | US6833948 Method for implementing power equalization of dense wavelength division multiplexing system |
12/21/2004 | US6833947 Optical fiber transmission system |
12/21/2004 | US6832859 Free space optical system with multiple function detectors |
12/16/2004 | WO2004110109A1 Light output modulation for data transmission |
12/16/2004 | WO2004109959A2 Intelligent wavelength division multiplexing systems based on arrays of wavelength tunable lasers and wavelength tunable resonant photodetectors |
12/16/2004 | WO2004109957A1 Optical signal reception device and for-digitization discrimination point control method thereof |
12/16/2004 | WO2004109956A1 Led system for illumination and data transmission |
12/16/2004 | WO2004109955A1 Optical transmitting and receiving system |
12/16/2004 | WO2004109938A2 Optical receiver having an open loop automatic gain control circuit |
12/16/2004 | WO2004109431A2 Computing a path for an open ended uni-directional path protected switched ring |
12/16/2004 | WO2004095735A3 Optical pulse regeneration device, installation comprising one such device and use of same |
12/16/2004 | WO2004084468A3 Communications device powered from host apparatus |
12/16/2004 | WO2004073184A3 Devices and methods for dynamic dispersion compensation |
12/16/2004 | WO2004034102A3 Devices and methods for dynamic dispersion compensation |
12/16/2004 | WO2004013979A3 Integrated post-amplifier and laser driver assembly with digital control interface |
12/16/2004 | US20040253003 Gain compensating optical receiver circuit |
12/16/2004 | US20040253002 Optical receiver |
12/16/2004 | US20040253001 Optical transmission systems including optical amplifiers and methods |
12/16/2004 | US20040253000 Optical pulse train generator |
12/16/2004 | US20040252999 Method for controlling wavelength characteristics of optical transmission powers by Raman amplification, and wavelenth division multiplexing optical communication system and optical amplifier adopting the same |
12/16/2004 | US20040252998 Infrared (ir) transmission device |
12/16/2004 | US20040252997 Asymmetric broadband optical wireless network to a target device |
12/16/2004 | US20040252994 Optical communication system with suppressed SBS |
12/16/2004 | US20040252963 Bandpass filter and method for increasing the sensitivity on reception of an optical signal |
12/16/2004 | US20040252956 Large-effective-area inverse dispersion compensating fiber, and a transmission line incorporating the same |
12/16/2004 | US20040252929 Polarization-shaped duobinary optical transmission apparatus |
12/16/2004 | US20040252078 Bi-directional interface for low data rate application |
12/16/2004 | US20040251403 Peak and bottom detectors in burst mode optical receiver |
12/16/2004 | DE102004018166A1 Pre-emphasis method for optical multiplex signal in optical transmission system has new signal values calculated from actual signal powers at transmitter and receiver and mean power at transmission side |
12/16/2004 | CA2521518A1 Computing a path for an open ended uni-directional path protected switched ring |