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)
04/2011
04/20/2011CN102025413A Infrared receiving circuit
04/20/2011CN102025412A Infrared receiving circuit
04/20/2011CN102025408A Method, device and system for establishing channel for transmitting wireless signals
04/20/2011CN102023346A Method for integrating indicating lamp by using optical module, optical module and network equipment
04/20/2011CN102023345A Optical module, equipment main board and passive optical network equipment
04/20/2011CN102023247A Digital multimeter having remote display with automatic communication binding
04/20/2011CN101718941B Device for generating variable frequency millimeter-wave based on linear type cavity fiber bragg grating
04/20/2011CN101562909B Integrated transmission repeater and working method thereof
04/20/2011CN101505233B Method for switching optical transmission physical channel and physical interface equipment
04/20/2011CN101465695B Optical fiber milimeter wave communication device based on double saw-tooth wave frequency sweep
04/20/2011CN101409626B Optical network unit and method for controlling power supply user terminal access thereof
04/20/2011CN101409589B Drive circuit for laser
04/20/2011CN101399721B Method for supporting transparent LAN access by Gbit Ethernet passive optical network
04/20/2011CN101374024B Polarization encoding method and apparatus based on semiconductor optical amplifier
04/20/2011CN101369926B Fault detection method, system and equipment for passive optical network system
04/20/2011CN101359965B Method and apparatus optimizing determination level of optical receiver
04/20/2011CN101350673B Equipment and method for transmitting mixed code type optical signal
04/20/2011CN101316142B Equipment, method and network system for expanding transmission distance
04/20/2011CN101303507B Full optical wavelength converting device based on non-linear optical waveguide
04/20/2011CN101299650B Apparatus for converting double channel wavelength based on mode splitting silicon based micro-ring
04/20/2011CN101247666B Protecting equipment and method based on optical network system
04/20/2011CN101233704B Light receiving apparatus, testing apparatus, light receiving method, testing method, test module, and semiconductor chip
04/20/2011CN101166062B A method and system for transmitting synchronization digital system frame in optical network
04/20/2011CN101159496B Device to generate return-to-zero optical duo-binary system modulating signal
04/20/2011CN101155070B Business management method for intelligent optical network
04/20/2011CN101136703B Data transmission method, system and device
04/20/2011CN101114883B Self-cure type optical receiver
04/20/2011CN101098193B Optical fiber safety early-warning and positioning system
04/20/2011CN101093339B Anti-squeezed light generator
04/20/2011CN101090298B Setting of RRH base station O&M channel
04/20/2011CN101064568B Method and system for configuring electric relay
04/20/2011CN101056474B Processing method of the passive optical network optical line terminal service
04/20/2011CN101047453B Managing method and system for optical network unit or optical network terminal
04/20/2011CN101047450B Method for sending zero configuration service to optical fibre access terminal equipment
04/20/2011CN101043758B 光交换系统 Optical switching system
04/20/2011CN101030827B Method and apparatus for mapping DTM to OTN
04/20/2011CN101019349B System and method for chirped light source
04/20/2011CN101018062B Intelligent guider interpretation system and its operating method
04/19/2011US7929868 Infrared receiver, infrared bridge device and methods for use therewith
04/19/2011US7929867 Emergency lamp and wireless emergency lamp data transmission system
04/19/2011US7929866 Passive optical network media access controller assisted clock recovery
04/19/2011US7929865 Free space WDM signal detector
04/19/2011US7929864 Optical beamforming transmitter
04/19/2011US7929863 Remote controlling system using optical fiber
04/19/2011US7929861 Wavelength assignment in an optical WDM network
04/19/2011US7929860 System and method for sonet equipment fault management
04/19/2011US7929694 Variable length private key generator and method thereof
04/19/2011US7929584 Light source mode alignment device and method, passive optical network system
04/19/2011US7929203 Utilization of Yb: and Nd: mode-locked oscillators in solid-state short pulse laser systems
04/19/2011US7929202 Semiconductor optical amplifier having a non-uniform injection current density
04/19/2011US7929201 Multistage optical amplifier with gain control using pump ratio
04/19/2011CA2555593C Method and system for efficient link recovery for fibre channel over sonet/sdh transport path
04/19/2011CA2484479C Hybrid optical ring-mesh protection in a communication system
04/14/2011WO2011043398A1 Differential encoding optical transceiver device
04/14/2011WO2011043122A1 Optical signal transmitter apparatus, optical signal receiver apparatus, wavelength de-multiplex optical communication apparatus and wavelength path system
04/14/2011WO2011042202A1 System and method for measuring optical signal-to-noise ratio
04/14/2011WO2011041996A1 Method and device for optically transmitting an alternating current signal
04/14/2011WO2011041832A2 Multichannel nonlinearity compensation in an optical communications link
04/14/2011WO2011021204A3 A novel fiber optic training kit
04/14/2011US20110087947 Regenerative Relay System and Regenerative Relay Apparatus
04/14/2011US20110087799 Flyways in Data Centers
04/14/2011US20110085804 Multimode optical transmission device
04/14/2011US20110085800 Apparatus and method for monitoring received optical power in an optical receiver over a wide range of received power with high accuracy
04/14/2011US20110085798 Method and device for monitoring wdm signal light
04/14/2011US20110085797 Ultra wide-range frequency offset estimation for digital coherent optical receivers
04/14/2011US20110085795 Communication device and downstream resource allocation method
04/14/2011US20110085793 Optical transceiver including a plurality of transmitter units and a process to control the same
04/14/2011US20110085230 Method for controlling an erbium doped fiber amplifier (edfa) and amplifier arrangement
04/14/2011US20110085222 Wavelength selective switch and optical transfer device
04/14/2011DE102009049000A1 Verfahren und Vorrichtung zur optischen Übertragung eines Wechselstromsignals Method and apparatus for optical transmission of an AC signal
04/14/2011DE102009043135A1 Optical filter unit for optical transmission systems, has compensation filter, detector and evaluation unit, where compensation output and two balanced monitor outputs are provided for monitoring signal quality and filter settings
04/14/2011DE102006008404B4 Optische Schaltungsstrukturen zur Realisierung eines Knotens höherer Ordnung in einem optischen Übertragungsnetzwerk sowie Basis- und Erweiterungsschaltungsstruktur Optical circuit structures for realizing a higher order node in an optical transmission network as well as basic and expansion circuit structure
04/13/2011EP2309666A2 Communication device and downstream resource allocation method
04/13/2011EP2309663A1 System and method for measuring optical signal-to-noise ratio
04/13/2011EP2308130A1 Transponder systems and methods for radio-over-fiber (rof) wireless picocellular systems
04/13/2011EP2307927A2 Optical modulator for higher-order modulation
04/13/2011EP1989797B1 Sensing a disturbance
04/13/2011EP1865631B1 Illumination light communication device
04/13/2011EP1854230B1 Method and apparatus for pmd mitigation in optical communication systems
04/13/2011CN201797525U POE-based repeater power supply device
04/13/2011CN201797519U Optical wireless communication device of power distribution network
04/13/2011CN201797518U Device for realizing cascade of third-generation mobile communication access network digital optical transceivers
04/13/2011CN201797517U Automatic monitoring and networking device for single-fiber three-way multiplexer
04/13/2011CN201796348U Touch screen adopting wireless way for transmitting data
04/13/2011CN1997312B Means and method for detection of blood leakage from wounds
04/13/2011CN1909312B Deep quantum well electro-absorption modulator
04/13/2011CN102017472A Light module, illumination system and method incorporating data in light emitted
04/13/2011CN102017471A Optical free space data transmission
04/13/2011CN102017470A Wireless data transmission by way of terathertz waves
04/13/2011CN102017469A Method and apparatus for controlling the optical output power from a burst mode laser
04/13/2011CN102017468A Modulation method, modulation program, recording medium, modulation device, and light transmitter
04/13/2011CN102017467A Photofield transmitter and photofield transmission system
04/13/2011CN102017466A Arrays, system and method for bi-directional data transmission
04/13/2011CN102014315A Rapid wavelength stabilization method for optical dense wave division multiplexing
04/13/2011CN102014312A Method and device for indicating client signal fail (CSF)
04/13/2011CN102014277A Video monitoring system, video monitoring method and spherical camera
04/13/2011CN102013925A Optical network unit (onu) and method of operating the onu
04/13/2011CN102013924A Device and method for generating frequency doubling single side band optical carrier millimeter waves
04/13/2011CN102013923A Method for realizing high-speed automation of meter reading based on Ethernet optical fiber network
04/13/2011CN102013922A Information processing method as well as optical communication device and system in optical network