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)
05/2012
05/23/2012CN102474439A Optical line terminal device and PON system
05/23/2012CN102474414A Photonic quantum system alignment using multiple beams
05/23/2012CN102474371A Optical line termination, PON system, and data reception processing method
05/23/2012CN102474358A Improvements in reflective optical networks
05/23/2012CN102474357A Optical transceiver and fiber-optic gyro
05/23/2012CN102474356A 调度具有调谐时间不同的可调谐激光器的波分复用无源光网络 WDM passive optical network scheduling time with a different tuning tunable lasers
05/23/2012CN102474355A Blinking-signal detecting device
05/23/2012CN102474354A 使用差分偏振响应的带内光噪声测量 Band optical noise measurement using differential polarization response
05/23/2012CN102474353A Method and arrangement for enabling link status propagation
05/23/2012CN102474352A Optical transmission device and optical transmission method
05/23/2012CN102474351A Wavelength dispersion amount calculation device, optical signal reception device, optical signal transmission device, and wavelength dispersion amount calculation method
05/23/2012CN102469378A 光通信系统及其方法与其反射式光网络装置 The optical communication system and method and its apparatus of the reflection type optical network
05/23/2012CN102469298A 用于电力系统的图像监控系统 Power systems for video surveillance systems
05/23/2012CN102468991A 一种信息传输方法和系统 An information transmission method and system
05/23/2012CN102468886A Method for transmitting photoelectric signal, photoelectric sensor and microelectronic processing equipment
05/23/2012CN102468885A Method and device for handling link failure
05/23/2012CN102468882A 可快速对位的光纤低噪声降频器 An optical fiber can be quickly on the bit LNB is
05/23/2012CN102468603A Laser driving circuit stabilizing extinction ratio
05/23/2012CN102466841A 光学模组及安装方法、接口和光纤传输线、光纤传输装置 Optical module and installation methods, interfaces, and optical fiber transmission lines, fiber optic transmission equipment
05/23/2012CN101867491B Fiber resource detection method and device
05/23/2012CN101866090B Programmable polarized optical pulse delay unit and electric pulse delay unit
05/23/2012CN101753417B Method for calculating and determining routing, path calculating unit and system for determining routing
05/23/2012CN101707504B Optical fiber intercome device
05/23/2012CN101667868B Two-way 40GHz millimeter wave RoF communication system integrating 802.11g standard OFDM chip and method therefor
05/23/2012CN101667864B Method of descending physical link fault diagnosis, system and device
05/23/2012CN101662326B Method and device for electrical equalization processing of optical signals and optical fiber communication system
05/23/2012CN101651498B Repeater and method for removing pilot frequency pollution by same
05/23/2012CN101594559B Method and system for timeslot configuration of optical light transmission equipment
05/23/2012CN101527639B Optic electric interface automatic switching method and device thereof
05/23/2012CN101447832B Method for measuring performance parameters of optical fiber cable circuit with ultra-long distance
05/23/2012CN101436902B Optical network unit
05/23/2012CN101388725B Method for controlling and managing network unit/optical network terminal
05/23/2012CN101369845B Chromatic dispersion monitoring method, system and apparatus
05/23/2012CN101364845B Method and system for optical power adjustment in wavelength-division network
05/23/2012CN101364843B Method and apparatus realizing remote data transmission in passive optical network
05/23/2012CN101359960B Very high speed infrared data broadcast technique
05/23/2012CN101355386B Method for automatically discovering error connection of multiplex segment protective optical fiber
05/23/2012CN101345600B Method and system for implementing sub-wavelength passage sharing protection by electronic crossing mode
05/23/2012CN101340247B Method for compensating polarization mode dispersion in wave division multiplexing system
05/23/2012CN101330344B Method for protecting sub-path when single link is fault in a WDM network
05/23/2012CN101317348B Method, system and device for detecting fault network terminal in PON
05/23/2012CN101316140B Fast protection method of passive optical network
05/23/2012CN101296041B Optical fiber transmission repeater and largely dynamic optical receiving-transmitting module
05/23/2012CN101262298B Multi-failure protection method for multiple service levels in WDM network
05/23/2012CN101217315B A collocation method and system of alarming shielding
05/23/2012CN101197619B Generation system for light loaded multi-frequency band ultra-broadband MB-UWB impulse
05/23/2012CN101170358B Data communication device and electronic instrument for carrying out data communication based on LED
05/23/2012CN101166048B Far end radio frequency unit data passage distribution method in radio communication system
05/23/2012CN101159844B Session television system with radio microphone and information processing method thereof
05/23/2012CN101150376B Signal speed adjustment device
05/23/2012CN101114880B Method for implementing multi-protection channel linear protection of optical transmission network
05/23/2012CN101018090B Device and method for detecting the light receiving power in the optical communication network
05/23/2012CN101013930B 光存取网络系统 Optical Access Network System
05/22/2012USRE43403 Distributed terminal optical transmission system
05/22/2012US8184994 Optical receiving circuit
05/22/2012US8184993 Polarization mode dispersion (PMD) compensation in polarization multiplexed coded orthogonal frequency division multiplexing (OFDM) systems
05/22/2012US8184992 Optical field receiver and optical transmission system
05/22/2012US8184991 Ditherless optical modulator control
05/22/2012US8184990 Light source wavelength control apparatus
05/22/2012US8184988 Optical modulating device with frequency multiplying technique for electrical signals
05/22/2012US8184987 Method, system and device for realizing data transmission extension in passive optical network
05/22/2012US8184986 Detection arrangement
05/22/2012US8184985 Control circuit for optical transmitter/receiver
05/22/2012US8184984 Optical transceiver having a modulating component
05/22/2012US8184983 Wireless directional identification and subsequent communication between wearable electronic devices
05/22/2012US8184982 Data reporting systems and methods
05/22/2012US8184981 Simplifying and cost-effective IR-RF combat identification friend-or-foe (IFF) system for ground targets
05/22/2012US8184980 Method and system for fiber-optic monitoring of spatially distributed components
05/22/2012US8184978 Method and device for channel-adapted signal transmission in optical networks
05/22/2012US8184977 Optical line terminal capable of active bandwidth allocation for passive optical network system
05/22/2012US8184973 Direct detection for receiving polarization multiplexing signals
05/22/2012US8184972 Method and apparatus relating to secure communication
05/22/2012US8184970 Optical transceiver with LED link information indicator
05/22/2012US8184929 Method of tuning optical components integrated in a monolithic photonic integrated circuit (PIC)
05/22/2012US8184645 Communication system, gateway device and adapter device
05/22/2012US8184643 Device, system, and method for transporting data using combined broadband and legacy network infrastructures
05/18/2012WO2012065056A1 Direct laser modulation
05/18/2012WO2012064637A1 Wavelength aligning multi-channel optical transmitters
05/18/2012WO2012064333A1 Providing digital data services using electrical power line(s) in optical fiber-based distributed radio frequency (rf) communications systems, and related components and methods
05/18/2012WO2012063413A1 Optical phase modulation circuit and method of optical phase modulation
05/18/2012WO2012062119A1 Passive optical network and signal transmission method of passive optical network
05/17/2012US20120123749 Method and device for designing chromatic dispersion compensation
05/17/2012US20120122449 Resource allocation to terrestrial and satellite services
05/17/2012US20120121274 Clock Recovery for Optical Transmission Systems
05/17/2012US20120121272 Opto-electronic assembly for high speed transmission
05/17/2012US20120121271 Method And Apparatus Of Free-Space Optical Signal Reception Having Enhanced Performance In Scattering Environments
05/17/2012US20120121270 MULTI-PORT ACCUMULATOR FOR RADIO-OVER-FIBER (RoF) WIRELESS PICOCELLULAR SYSTEMS
05/17/2012US20120121269 Multifunction receiver-on-chip for electronic warfare applications
05/17/2012US20120121268 Method And Apparatus Of Microwave Photonics Signal Processing
05/17/2012US20120121266 Receiver, light spectrum shaping method, and optical communication system
05/17/2012US20120121264 Apparatus and method for transmitting light, and apparatus and method for receiving light
05/17/2012US20120121260 System for intercepting signals to be transmitted over a fiber optic network and associated method
05/17/2012US20120121259 Optical transmission device and optical transmission method
05/17/2012US20120121258 Method, apparatus, and system for transmitting information in passive optical network
05/17/2012US20120121257 Pre-emphasis control method and optical transmission system
05/17/2012US20120121256 Optical transmission device, optical transmission system and optical transmission method
05/17/2012US20120121255 Optical switching device and communications system
05/17/2012US20120121254 Multi-stage polarization mode dispersion compensation
05/17/2012US20120121253 Ranging method and apparatus in passive optical network
05/17/2012US20120121252 Optical communication system for supporting remote operation management