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)
10/2010
10/27/2010EP2243230A2 Adjustable bit rate optical transmission using programmable signal modulation
10/27/2010EP1884044B1 Reducing crosstalk in optical wavelength converters
10/27/2010EP1794906B1 Mechanism to select bandwidth in an optical receiver circuit
10/27/2010CN201616888U 一种以太网光网络单元 One kind of Ethernet optical network unit
10/27/2010CN201616830U 一种红外线接收模组 An infrared receiver module
10/27/2010CN201616829U 一种单纤三向收发器 One kind Triplexer Transceivers
10/27/2010CN201616828U 激光自适应追踪调节系统 Laser adaptive tracking adjustment system
10/27/2010CN201616820U 胸挂式发射器 Hanging chest transmitter
10/27/2010CN201616013U 一种可移动智能射频转发器 Removable, Smart RF transponder
10/27/2010CN101874379A Bit identification circuit
10/27/2010CN101873611A System and method for accessing and distributing various mobile network signals in user net area
10/27/2010CN101873516A Method for registering and activating optical network unit in a gigabit passive optical network system
10/27/2010CN101873514A Quick switch method and system under protected mode in passive optical network and optical network unit
10/27/2010CN101873513A Integrated optical transceiver and optical communication system and method
10/27/2010CN101873473A Digital video camera with optical fiber interface
10/27/2010CN101873181A Laser coherent data transmission channel simulation testing device
10/27/2010CN101873176A Multi-user optical wireless two-way data communication system and method
10/27/2010CN101873174A High-speed laser data transmission system between rotating body and fixed body
10/27/2010CN101873173A High-speed optical data transmission system between rotating body and fixed body
10/27/2010CN101873172A Millimeter wave generating device based on optic-fiber ring resonator and method thereof
10/27/2010CN101873171A Control device and method of delay interferometer of DPSK (Differential Phase Shift Keying)/DQPSK (Differential Quadrature-Phase Shift Keying) module
10/27/2010CN101873170A Data transmission interface system
10/27/2010CN101873169A Receiving system in wireless optical communication and signal receiving method thereof
10/27/2010CN101873168A Method and device for transmitting service data
10/27/2010CN101873167A Point-to-multipoint laser communication device based on diverse combined rotary paraboloid surface structure
10/27/2010CN101873166A Method for distance measurement in gigabit passive optical network system
10/27/2010CN101872042A 光模块和光通信系统 Optical modules and optical communication system
10/27/2010CN101872039A 4*4 non-blocking optical router based on active micro-ring resonator
10/27/2010CN101872038A Fiber connector module including integrated optical lens turn block and method for coupling optical signals between a transceiver module and an optical fiber
10/27/2010CN101594708B Working method for comparative optical repeater station and comparative optical repeater station
10/27/2010CN101459913B Wireless communication system, central station, access equipment and communication method
10/27/2010CN101046842B Optical communication system, optical reader, and method of reading information
10/27/2010CN101032100B Long-reach wavelength division multiplexing passive optical networks by using the position adjustment of broadband light source
10/27/2010CN101022319B Dispatching device and method in optical communication network
10/26/2010US7822350 Reconstruction and restoration of two polarization components of an optical signal field
10/26/2010US7822349 Digital iterative gain control
10/26/2010US7822348 Adaptive pulse shape control
10/26/2010US7822347 Active tuning of temporal dispersion in an ultrashort pulse laser system
10/26/2010US7822346 Module housing for connecting opto-electronic sub-assemblies
10/26/2010US7822345 Output stage for carrying out WDM message transmission and methods for exchanging full light sources in an output stage of this type
10/26/2010US7822343 Transport frame architecture for multi-rate service, multiplexing apparatus for processing the transport frame and method for transmitting it
10/26/2010US7822342 Secure quantum optical communications system and method
10/26/2010US7822341 Coordination of control operations in an optical network
10/26/2010US7822340 Photodiode assembly within a fiber optic tap and methods thereof
10/26/2010US7822314 Segmented acoustic core photonic crystal fiber laser
10/26/2010US7822055 Fibre channel credit extender and repeater
10/26/2010US7821704 Compact, tunable, efficient IR laser and IR guiding silica fibers
10/21/2010WO2010120485A2 Method and apparatus for link sharing among multiple epons
10/21/2010WO2010119981A2 Optical path switching type optical signal transmission/reception apparatus and relevant optical signal transmission/reception method
10/21/2010WO2010119576A1 Method of and system for detecting skew between parallel signals
10/21/2010WO2010119499A1 Optical transmitting/receiving system, optical transmitting/receiving apparatus and optical transmitting/receiving method
10/21/2010WO2010118662A1 Method, device and system for generating and receiving phase polarization modulated signal
10/21/2010WO2010118619A1 Method, device and system for improving the performance of type b protection switching
10/21/2010WO2010087603A3 Visible light multiplex communication system
10/21/2010WO2010083269A3 Optical imaging for optical device inspection
10/21/2010WO2010049403A3 Control and regulation device, and method for exchanging control and regulation signals
10/21/2010US20100266295 Optical-signal-path routing in a multi-chip system
10/21/2010US20100266294 Multi-Channel Optical Rotary Transmission Device with High Return Loss
10/21/2010US20100266293 Relay apparatus, signal processing apparatus and optical communication system
10/21/2010US20100266292 Light receiving circuit and photocoupler isolation circuit
10/21/2010US20100266291 System and Method for Coherent Detection of Optical Signals
10/21/2010US20100266290 Laser communication positioning system
10/21/2010US20100266289 Even-Order Harmonic Cancellation and Increased RF Gain Using Dual-Output Mach-Zehnder Modulator with Two Wavelength Input
10/21/2010US20100266288 High efficiency optical mode transformer for matching a single mode fiber to a high index contrast planar waveguide
10/21/2010US20100266287 Bandwidth allocation and management system for cellular networks
10/21/2010US20100266281 Allocating Demand According To Demand Weight
10/21/2010US20100266275 Optical Network Testing
10/21/2010US20100266274 Method, System and Board Apparatus for Implementing Automatic Protection Switching Between Active Board and Standby Board
10/21/2010US20100265349 Digital camera module
10/20/2010EP2242213A1 Communication control method, station side device, subscriber side device, and communication system
10/20/2010EP2242191A2 Relay apparatus, signal processing apparatus and optical communication system
10/20/2010EP2241039A1 Optical under-sampling and reconstruction of sparse multiband signals
10/20/2010EP2241030A1 Wavelength division multiplexing-passive optical network system
10/20/2010EP2240808A1 Eye piece and tunable chromatic dispersion compensator using the same
10/20/2010EP1762867B1 Optical fiber with reduced stimulated brillouin scattering
10/20/2010EP1495560B1 Polarisation mode dispersion compensator
10/20/2010CN201611932U 单根光纤线缆延长控制信号装置 A single optical fiber cable to extend control signal devices
10/20/2010CN201611885U 具备光环路自愈功能的数字射频拉远装置 Aura road with self-healing function digital remote radio unit
10/20/2010CN201611525U 一种红外线无线语音教学讲播系统 An infrared wireless voice broadcast system stresses teaching
10/20/2010CN201611397U 一种sfp网络连接器模块 One kind of network connection module sfp
10/20/2010CN1964235B Optical amplifier, excitation light source control method for use in optical amplifier, and optical amplifier control method
10/20/2010CN101868929A Failsafe optical splitter and method to isolate faults in a passive optical network
10/20/2010CN101868758A Monolithic DQPSK receiver
10/20/2010CN101867847A Optical line terminal device on user residential side and optical transmission system
10/20/2010CN101867535A Methods, devices and systems for generating and receiving difference quadrature phase shift keying codes
10/20/2010CN101867506A Realizing device of large-capacitance self-healing optical fiber sensing network based on light spectrum type optical fiber sensor and realizing method
10/20/2010CN101867492A Fiber routing management system and method
10/20/2010CN101867491A Fiber resource detection method and device
10/20/2010CN101867455A Board-to-board information transferring method and device
10/20/2010CN101867419A PSK optical signal receiving method, device and PSK optical signal receiver
10/20/2010CN101867418A Optical signal receiving method, optical signal receiving device and optical transmission system
10/20/2010CN101867417A Unidirectional transmission method based on optical fiber multi-way coupling
10/20/2010CN101867416A Security photo-communication system based on stimulated Brillouin scattering
10/20/2010CN101867415A Fiber resource management device and method
10/20/2010CN101867414A Optical transceiver and optical communication system
10/20/2010CN101867413A Safety wireless network system
10/20/2010CN101867412A System and method for realizing communication by using semiconductor illumination
10/20/2010CN101867411A Method, system and device for realizing passive optical network optical fiber protection
10/20/2010CN101867410A Fiber message routing method and device
10/20/2010CN101867409A Link switching control device and switching method in hybrid atmospheric laser communication system