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)
01/2008
01/10/2008US20080008471 N-way serial-channel interconnect
01/10/2008US20080008470 Transmission device having optical fiberhigh definition digital audio-video data interface
01/10/2008US20080008469 Communication apparatus, communication line diagnosis method, program and recording medium
01/10/2008US20080008065 Method and apparatus for monitoring the power level of two or more optical transmitters
01/10/2008US20080007930 Photoelectric conversion module, assembling method thereof, high-speed transmission connector, and mounting system
01/10/2008US20080007719 Method for Increasing Accuracy of Measurement of Mean Polarization Mode Dispersion
01/10/2008DE112006000484T5 Elektromagnetisches Gerät mit integraler nicht-linearer Komponente An electromagnetic device with an integral non-linear component
01/10/2008DE112005003026T5 Lasersender mit Eigenvermessung Self-surveying laser transmitter
01/10/2008DE102005013494B4 Optischer Empfänger Optical Receiver
01/10/2008CA2662750A1 Method and apparatus for remote communication using the interpretation of thermoluminescence or photoluminescence signals
01/09/2008EP1876739A1 Optical synchronizer
01/09/2008EP1876738A2 Optical communication system using phase conjugation
01/09/2008EP1876737A1 A controlled optical amplifier device and its corresponding feed back control method
01/09/2008EP1876736A1 Passive optical network system based on wavelength protection and protecting backup method thereof
01/09/2008EP1876435A1 Optical reflectometry loss determination
01/09/2008EP1875637A1 Method and system for keeping time alignment between optical data modulation and a periodically modulated light source
01/09/2008EP1875351A2 Method for transmit and receive power control in mesh systems
01/09/2008EP0965060B1 Optical wavelength selective device including at least one bragg-grating structure
01/09/2008CN201004641Y Repeater using FSK signals as pilot frequency for automatic gain control
01/09/2008CN201004640Y A device for restraining influences of sound wave and vibration on optical fiber channel in optical fiber sensing system
01/09/2008CN201004104Y Small cooling light radiation component
01/09/2008CN201004097Y A length-adjusting end fiber
01/09/2008CN201004096Y Optical fiber bending attenuator
01/09/2008CN101103561A Monitoring of optical signals
01/09/2008CN101103560A Out-of-band data communication between network transceivers
01/09/2008CN101102521A A method for service protection in automatically switching optical network
01/09/2008CN101102210A A distributed controllable multicast system of passive optical network and its implementation method
01/09/2008CN101102163A Method for preventing the protection network of the loop multiplexing section from incorrect optical fiber connection and loop multiplexing section network
01/09/2008CN101102162A Full light regeneration method of optical four-phase shift key control signals
01/09/2008CN101102161A Optical transmission secondary module for optical fiber communication
01/09/2008CN101102160A Threshold voltage adjusting unit, adjusting method, limit rage amplifier and optical receiver
01/09/2008CN101102159A Optical transmitting/receiving apparatus and optical transmitting/receiving method
01/09/2008CN101102158A Method and device for transmitting synchronization digital system service in passive optical network
01/09/2008CN101102157A Transmission terminal and data transmission method
01/09/2008CN101102156A Lighting communication method
01/09/2008CN101102155A Method for storing configuration script of passive optical network terminal devices
01/09/2008CN101102154A Calling device and method of radio communication device
01/09/2008CN101102152A Method for guaranteeing data security in passive optical network
01/09/2008CN100361479C Radio communication connection destination specifying method
01/09/2008CN100361434C Optical clock signal distribution system in WDM network
01/09/2008CN100361427C Window feedback retransmission method for optical burst switching systems
01/09/2008CN100360972C Stretched latch structure of connected optical module
01/08/2008US7317878 Quantum switch teleportation for two receivers
01/08/2008US7317877 Optical communications systems, devices, and methods
01/08/2008US7317876 Medium access control for retro-reflectors
01/08/2008US7317875 Optical communication network system, wavelength routing apparatus, communication node, optical path managing method for use in optical cross connect apparatus, and apparatus for that method
01/08/2008US7317873 Optical packet switching system
01/08/2008US7317845 Optical modulator having reduced bandwidth requirements and method of operation thereof
01/08/2008US7317720 Signal transmission system
01/08/2008US7317688 Optical communication system with dynamic bandwidth allocation
01/08/2008US7317574 Long-distance quantum communication
01/08/2008US7317570 Variable gain optical amplifiers
01/08/2008US7317569 Optical frequency converter
01/08/2008US7317518 Determination of an optical property of a DUT by OTDR measurement
01/03/2008WO2008002950A2 Uplink power adjustment for a cable modem termination system
01/03/2008WO2008002913A1 Noise mitigation in analog optical transmission systems using polarization scrambler
01/03/2008WO2008002808A1 Mechanism to increase an optical link distance
01/03/2008WO2008002056A1 Trunk bridge amplifier using multi channel diplexer
01/03/2008WO2008001739A1 Bidirectional propagation type optical signal reproducer using optical nonlinear effect and optical signal reproducing method
01/03/2008WO2008001531A1 Optical code communication system
01/03/2008WO2008001262A1 Method and device for modulating the light emission of a lighting device
01/03/2008WO2008001020A1 Long distance passive optical access network
01/03/2008WO2008000401A1 Optical receiver for receiving a signal m-valued star-shaped quadrature amplitude modulation with differential phase coding and application of same
01/03/2008WO2008000120A1 A method and device for triggering the optical network protection under the configuration of sharing the receiving apparatus
01/03/2008US20080002994 Demodulating a signal using a 1 x m coupler
01/03/2008US20080002993 Optical receiver with dual photodetector for common mode noise suppression
01/03/2008US20080002992 Frequency conversion with nonlinear optical polymers and high index contrast waveguides
01/03/2008US20080002991 Optical transmission device
01/03/2008US20080002990 Multi-ring resonator implementation of optical spectrum reshaper for chirp managed laser technology
01/03/2008US20080002989 Apparatus and Method for Generating an Optical Single Sideband Signal
01/03/2008US20080002988 Multi-level optical data communication circuit
01/03/2008US20080002987 Free space demodulator for demodulating a signal
01/03/2008US20080002986 Optical spatial communication method, optical transmission apparatus, optical reception apparatus, and optical spatial communication system
01/03/2008US20080002985 Optical receiver with electric ternary coding
01/03/2008US20080002984 Optical Transmission System Using Ossb-Modulation and Signal Trasmission Method Thereof
01/03/2008US20080002982 Portable communication device
01/03/2008US20080002981 Ground to space to ground trunking system
01/03/2008US20080002979 Dispersion compensation method in optical communication system having optical add drop multiplexing capability
01/03/2008US20080002978 Method of upgrading optical node, and an optical node apparatus
01/03/2008US20080002977 Multi-bit-rate optical communication method, optical network unit, and optical line terminal
01/03/2008US20080002973 Optical power monitor for PON telecommunication
01/03/2008US20080002972 All Order Polarization Mode Dispersion Compensation with Spectral Interference Based Pulse Shaping
01/03/2008US20080002971 Optical telecommunications network terminal, an installation including the terminal, and a method of detecting a break in optical transmission means
01/03/2008US20080002746 Optical transmitters
01/03/2008DE102006030915A1 Optischer Empfänger für den Empfang von M-wertiger sternförmiger Quadratur-Amplitudenmodulation mit differenzieller Phasenkodierung und Anwendung davon Optical receiver for the reception of M-valued stellate quadrature amplitude modulation with differential phase coding and application thereof
01/03/2008DE102006030421A1 Vorrichtung zur Übertragung optischer Signale An apparatus for transmitting optical signals
01/02/2008EP1873950A2 Wavelength-division multiplex communication apparatus
01/02/2008EP1873940A2 Optical reception apparatus
01/02/2008EP1873939A1 Telecommunications optical network terminal, installation comprising this terminal and method for detecting cutoff in the optical transmission methods
01/02/2008EP1873575A1 Optical modulation apparatus and method to control it
01/02/2008EP1873572A1 Device for transmitting optical signals
01/02/2008EP1872505A2 Dynamic bandwidth allocation and service differentiation for broadband passive optical networks
01/02/2008EP1800422B1 Method and apparatus for recognizing a disturbing effect in an information channel
01/02/2008EP1721397A4 Integrated post-amplifier, laser driver, and controller
01/02/2008EP1468512B1 Optical transmission system with raman amplifiers comprising a supervisory system
01/02/2008EP1413073B1 Wireless duplex optical communication system
01/02/2008CN201001127Y Full-digitization space optical communication array signal diversity reception system
01/02/2008CN201001126Y Single fiber single wavelength multifunctional fiber telephone
01/02/2008CN201001125Y SFP optical receiving-transmitting integrated module
01/02/2008CN201000498Y T-tree shaped structure optical power shunt