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)
03/2010
03/25/2010US20100074620 Receiver for a modulated light signal and method for receiving a modulated light signal
03/25/2010US20100074619 Laser source for a passive optical network
03/25/2010US20100074617 Optical pulse time spreading apparatus and optical multiplex transmitting system with multiplexed channels and S/N ratio increased
03/25/2010US20100074615 Switch device, connection system and connection control method
03/25/2010US20100074614 Method and apparatus for correcting faults in a passive optical network
03/25/2010US20100074570 Optical circuit
03/25/2010US20100073995 Nano -electronic array
03/25/2010US20100073760 Delay-line demodulator
03/25/2010DE102009041623A1 Leselampe Reading Lamp
03/25/2010CA2725804A1 System and method for ocdma-based photonic layer security robustness to archival attack
03/24/2010EP2166681A1 Optical modulation circuit and optical transmission system
03/24/2010EP2166680A1 Optical transmission module and electronic device
03/24/2010EP1913714B1 Method and system for polarization mode dispersion compensation
03/24/2010EP1913712B1 Communication transceiver architecture
03/24/2010EP1705811B1 Method, apparatus, and system for evaluating faulty point in multi-stage optical amplifying and repeating transmission line
03/24/2010EP1627478B1 Power tilt compensation using automatic power balance control
03/24/2010EP1229382B1 Optical amplifier using raman amplification
03/24/2010CN201430666Y Plastic optical fiber network camera
03/24/2010CN201430655Y Catv waterproof data processor
03/24/2010CN201430654Y CATV data processor with convenient maintenance
03/24/2010CN201430601Y Novel optical fiber telephone
03/24/2010CN201430592Y Integrated optical receiving and transmitting module for Ethernet passive optical network
03/24/2010CN201430591Y Railway wireless integrated relay device
03/24/2010CN201430590Y Modulated wave digital distribution system
03/24/2010CN201430589Y PDH optical fiber transmission equipment
03/24/2010CN201429467Y Detection circuit for APD burst incident light strength
03/24/2010CN101682458A An optical PON network using passive DPSK demodulation
03/24/2010CN101682428A High power efficiency optical-wireless transmitter
03/24/2010CN101682427A Receiver for receiving optical signals from different sources and method
03/24/2010CN101682426A Method and device for locating a communication source and mobile communication system using one such device
03/24/2010CN101682425A Optical link quality monitoring in a computer network
03/24/2010CN101682424A Method and system for determining in-band optical noise
03/24/2010CN101682423A End-to-end chromatic dispersion characterization of optically amplified link
03/24/2010CN101682422A Optical modulation circuit and optical transmission system
03/24/2010CN101682421A Optical receiver circuit
03/24/2010CN101682420A Visible light transmitter, visible light receiver, visible light communication system, and visible light communication method
03/24/2010CN101682166A Optical modulation signal generation device and optical modulation signal generation method
03/24/2010CN101681005A optically addressed rfid elements
03/24/2010CN101680997A Passive rfid elements having visual indicators
03/24/2010CN101677417A Optical packet compressing and uncompressing method of ultra high-speed optical packet switched network and system thereof
03/24/2010CN101677416A Packing and unpacking method of ultra high-speed optical burst-switched network and system thereof
03/24/2010CN101677415A Optical network system data link switching method, optical network unit and system
03/24/2010CN101677280A Optical fiber field bus communication system
03/24/2010CN101677258A Method and device for transmitting and receiving polarization multiplex signals and polarization multiplex system
03/24/2010CN100596060C A method, system and device for preventing optical network unit in passive optical network from being counterfeiting
03/24/2010CN100596043C Method and apparatus for realizing low-speed signal transparent transmission in optical transmission network
03/24/2010CN100596038C Method for implementing optical virtual private network in passive optical network
03/24/2010CN100596037C Apparatus for providing node protection in optical network and implementing method thereof
03/24/2010CN100596036C Optical transmission router and alarm processing method
03/23/2010US7685496 Data transmission method and data transmission device for transmitting data through a transmission line that is integrated with a plurality of links
03/23/2010US7684713 Phase control apparatus and optical DQPSK receiver
03/23/2010US7684712 Non-linear equalizer in a coherent optical receiver
03/23/2010US7684711 Pulsed high loss loop back signalling scheme
03/23/2010US7684710 Dynamically adaptive optical transceiver
03/23/2010US7684709 Fiber aided wireless network architecture
03/23/2010US7684708 All-optical flip-flop and control methods thereof
03/23/2010US7684704 Method, apparatus and system for the communication of services in an optical access network
03/23/2010US7684703 Wavelength division multiplexing transmission system and remote apparatus and station apparatus used therein
03/23/2010US7684702 Optical link monitoring system and method for passive optical network
03/23/2010US7684701 Photonic quantum information system using unpolarised light
03/23/2010US7684700 Loss-of-signal detecting device
03/23/2010US7684699 Optical transceiver module for monitoring an optical fiber and method for making available measuring data from monitoring an optical fiber
03/23/2010US7684698 Methods and systems for controlling power in a communications network
03/23/2010US7684697 Optical signal quality monitoring circuit and optical signal quality monitoring method
03/23/2010US7684696 Method and apparatus for determining signal viability in optical networks
03/23/2010US7684695 Optical diagnostic indicator
03/23/2010US7684451 Optical transmitter module for stabilizing optical output power and wavelength
03/23/2010US7684388 Multi-grained network
03/23/2010US7684111 Counter-pumped distributed Raman amplification in wavelength division multiplex optical communication systems
03/23/2010US7683676 Signal-level detecting apparatus, optical receiver, and signal-level detecting method
03/23/2010US7683357 Dynamic laser power control for gas species monitoring
03/18/2010WO2010030800A1 Three-way handshake (3whs) optical network signaling protocol
03/18/2010WO2010030520A2 Optical receiver with threshold voltage compensation
03/18/2010WO2010030435A1 Utilizing optical bypass links in a communication network
03/18/2010WO2010028668A1 Scheduling device
03/18/2010WO2010028577A1 Method and apparatus for filter locking
03/18/2010WO2010028558A1 Method for optimally adjusting a decision level of a receiver and device thereof
03/18/2010WO2010002212A3 Visible-light wireless communication method and system
03/18/2010WO2009123846A3 System and method for improved infrared communication between consumer appliances
03/18/2010US20100070199 Method and system for measuring optical properties of a medium using digital communication processing techniques
03/18/2010US20100069014 Controlling attenuation of an antenna signal in a communication terminal to reestablish a lost communication link
03/18/2010US20100067924 Optical receiver
03/18/2010US20100067922 Variable Spectral Phase Encoder/Decoder Based on Decomposition of Hadamard Codes
03/18/2010US20100067921 Method and system for controlling driving current of wdm-pon optical transmitter
03/18/2010US20100067920 Systems configured to transmit optical power signals transdermally out of a living subject, and devices and methods
03/18/2010US20100067919 Illuminating light communication system and transmitting device for illuminating light communication
03/18/2010US20100067918 Ultra-miniaturized thz communication device and system
03/18/2010US20100067917 Optical transmission apparatus, optical transmission method, and optical transceiver
03/18/2010US20100067916 System for visible light communication using single light source
03/18/2010US20100067915 Photoelectric composite wiring component and electronic apparatus employing it
03/18/2010US20100067914 Polarization multiplexed light transmitter and control method threof
03/18/2010US20100067911 Injection light generator for use in wavelength division multiplexed-passive optical network
03/18/2010US20100067908 Enhanced Passive Optical Network (PON) Processor
03/18/2010US20100067907 Method and system for controlling driving current of wdm-pon optical transmitter
03/18/2010US20100067904 Calibration factor for interferometric optical signal-to-noise ratio measurement
03/18/2010US20100067903 Interferometric optical signal-to-noise ratio measurement using a calibration factor
03/18/2010US20100067902 Optical transmitter error reduction using receiver feedback
03/18/2010US20100067901 Passive optical network system and fault determination method
03/18/2010US20100067607 All-optical balanced detection system
03/18/2010US20100067099 Raman amplifier, optical repeater, and raman amplification method