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)
04/2010
04/01/2010WO2010035896A1 Visible light communication transmitter and visible light communication system
04/01/2010WO2010035662A1 Optical transmitter, optical receiver, and optical communication system
04/01/2010WO2010035533A1 High-speed pulsed homodyne detector in optical communication wavelength band
04/01/2010WO2010035333A1 Phase modulated signal receiver
04/01/2010WO2010035254A1 Technique for selectively changing dispersion in optical communication channels
04/01/2010WO2010035010A1 Apparatus and method for transporting multiple signals over optical fiber
04/01/2010WO2010034753A1 Method for spreading the spectrum of a narrowband signal
04/01/2010WO2009135132A8 Spectrally efficient digital data transmission utilizing phase encoded mmw
04/01/2010US20100082291 Monitoring All-Optical Network Performance
04/01/2010US20100080571 Optical signal transmitter
04/01/2010US20100080570 Multichannel Optical Transport Network Optical Detection Skew Calibration
04/01/2010US20100080569 Method and apparatus for generating dqpsk encoding optical signal
04/01/2010US20100080568 Optical Swapping of Digitally-Encoded Optical Labels
04/01/2010US20100080567 Parallel optical transceiver module having a balanced laser driver arrangement
04/01/2010US20100080566 Multi-channel optical relays for enabling a networked communications system
04/01/2010US20100080565 Electronic Wavefront Correction for Free-Space Optical Communications
04/01/2010US20100080564 Optical phase locked loop
04/01/2010US20100080563 Magnetic connector with optical signal path
04/01/2010US20100080561 Digital framer architecture with a framing marker
04/01/2010US20100080560 Ofdm direct detection using a balanced receiver
04/01/2010US20100080556 Chromatic dispersion compensation design system and chromatic dispersion compensation design method
04/01/2010US20100080554 Fiber Optic Cable Diagnostics Using Digital Modulation
04/01/2010US20100080553 Automatic laser shutdown and recovery in response to a link break
04/01/2010US20100080505 ARRANGEMENT FOR THE ELECTRO-OPTICAL CONTROL AND FAST MODULATION OF THz TRANSMITTERS AND THz MEASURING SYSTEMS
04/01/2010US20100080499 Channelized dispersion compensation module
04/01/2010US20100080394 QKD transmitter and transmission method
04/01/2010US20100080386 Generating Identical Numerical Sequences Utilizing a Physical Property and Secure Communication Using Such Sequences
04/01/2010US20100079856 Optical transmission system
04/01/2010DE202010000607U1 Sender für Datenlichtschranken und Sender für optische Sensoren Transmitter and transmitter for optical data coupler for optical sensors
03/2010
03/31/2010EP2169852A1 A method, a system and an apparatus for realizing elongation of data transmission in a passive optical network
03/31/2010EP2169851A2 Optical signal transmitter
03/31/2010EP2169789A1 Optical transmitter
03/31/2010EP2169786A1 Optical amplifier
03/31/2010EP2168273A1 Optical communications security device and system
03/31/2010EP2039029B1 Method and device for modulating the light emission of a lighting device
03/31/2010CN201435793Y Optical signal monitoring circuit of GPON ONU module
03/31/2010CN201435792Y Multi-service optical transmission device
03/31/2010CN201435787Y All-in-one single-path video optical receiving unit with bus control data drive
03/31/2010CN201434945Y Modulation device for optically-controlled flat-plate silicon photonic crystal terahertz wave
03/31/2010CN101689956A Periodically filtered broadband light source
03/31/2010CN101689937A Optical transmitter, optical network and method for compensation of polarisation mode dispersion
03/31/2010CN101688961A Fibre optic network installation
03/31/2010CN101686418A Method, system and device for transmitting and processing signals in passive optical network
03/31/2010CN101686417A Distributed control passive optical network system and bandwidth control method
03/31/2010CN101686159A Power environment monitoring system
03/31/2010CN101686099A Method and equipment for parallel skew detection and optical communication interface
03/31/2010CN101686097A Optical pulse time spreading apparatus and optical multiplex transmitting system with multiplexed channels and s/n ratio increased
03/31/2010CN101686096A Multi-carrier coherent reception electric treatment method, device and system
03/31/2010CN101686087A Wavelength demodulation system and method based on two outputs of a 3 x 3 coupler
03/31/2010CN101686086A High-speed optical transmission system and non-linear inhibition method used for same
03/31/2010CN101686085A Optical coherent receiver as well as performance monitoring device and method thereof
03/31/2010CN101686084A 光信号发射机 Optical signal transmitter
03/31/2010CN101686083A Data optical receiver
03/30/2010USRE41173 System for use in controlling a hydrocarbon production well
03/30/2010US7689133 Optical signal reception device and method of controlling optical signal reception
03/30/2010US7689132 Interference-rejection coding method for an optical wireless communication system and the optical wireless communication system thereof
03/30/2010US7689131 WDM system
03/30/2010US7689130 Method and apparatus for illumination and communication
03/30/2010US7689129 System-in-package optical transceiver in optical communication with a plurality of other system-in-package optical transceivers via an optical transmission line
03/30/2010US7689128 Return path transmitter with extended digital processing circuitry
03/30/2010US7689127 Deformable mirrors for multi-access laser communications terminal
03/30/2010US7689126 Wavelength dispersion compensation control method and wavelength dispersion compensation control device
03/30/2010US7689125 Methods and systems for polarization control and polarization mode dispersion compensation for wideband optical signals
03/30/2010US7689124 Two-dimensional optical CDMA system, PN coded wavelength/time encoder and decoder therein, and method of encoding/decoding
03/30/2010US7689123 Synchronous collapsed ring architecture for real-time signal switching and distribution
03/30/2010US7689121 Method and device for surveillance of optical connection paths for a transparent optical network
03/30/2010US7689082 Optical fiber transmission line for wavelength division multiplexing signals
03/30/2010US7689074 Optical reception apparatus compatible with DQPSK polarization multiplexing format
03/30/2010US7688843 Operations method in an ethernet passive optical network that includes a network unit with multiple entities
03/30/2010US7688594 Flexible printed circuit board
03/30/2010US7688499 Modular, high energy, widely-tunable ultrafast fiber source
03/30/2010US7688498 Optical amplifier and optical monitor circuit
03/30/2010US7687791 Ethernet data signal transmission apparatus
03/30/2010US7687763 Noise resistant light-powered sensor
03/30/2010US7686520 Fiber-optic premises wiring system
03/30/2010CA2621112C Polarization and wavelength stable superfluorescent sources
03/25/2010WO2010033654A2 All-optical balanced detection system
03/25/2010WO2010033402A1 Optical transmitter error reduction using receiver feedback
03/25/2010WO2010033286A1 System and method for ocdm-based photonic layer security robustness to archival attack
03/25/2010WO2010032844A1 Band-variable communication device and band-variable communication method
03/25/2010WO2010032842A1 Information acquisition device and optical communication system
03/25/2010WO2010032326A1 Phase modulation device, transmission device, reception device, and phase modulation method
03/25/2010WO2010032272A1 Switchable delays optical fibre transponder with optical generation of doppler shift
03/25/2010WO2010032214A2 Communication network
03/25/2010WO2010031451A1 Method and apparatus for transmission of two modulated signals via an optical channel
03/25/2010WO2010031340A1 Decoding method, system thereof and framing method for gigabit passive optical network
03/25/2010WO2010031326A1 Method for switching data link in the optical network system, optical line terminal and system
03/25/2010WO2010031239A1 Method and apparatus optimizing decision threshold level of optical receiver
03/25/2010WO2010031212A1 A compressing and decompressing method of optical packet in an ultra speed optical packet switching network and a system thereof
03/25/2010WO2009019573A8 Electrically controlled optical oscillator for a single-side-subcarrier optical phase-locked loop
03/25/2010US20100074632 Method for improving the performance of digital coherent optical receiver using single ended photo-detection
03/25/2010US20100074631 Frequency-agile infrared receiver
03/25/2010US20100074630 System and method for shaping a waveform
03/25/2010US20100074629 Optical communication apparatus, control apparatus, and method for controlling optical output
03/25/2010US20100074628 Optical communication system, station-side apparatus, and subscriber-side apparatus
03/25/2010US20100074627 Interference-Rejection Coding Method For An Optical Wireless Communication System And The Optical Wireless Communication System Thereof
03/25/2010US20100074626 System and method for signal extraction by path modulation
03/25/2010US20100074625 Apparatus for voice communication using an incoherent light source
03/25/2010US20100074622 Line-of-sight optical detection system, and communication system
03/25/2010US20100074621 Optical division multiplexing transmission and reception method and optical division multiplexing transmission and reception device