Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › 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
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)
11/2008
11/19/2008CN101309178A Parsing method and apparatus for automatic exchanging optical network systematic log information
11/19/2008CN101309123A Optical add/drop multiplexer
11/19/2008CN101309118A Dispersion compensation apparatus and method for 40Gbps wavelength division multiplexing system
11/19/2008CN101309117A Method and device for gain balance of submarine fiber cable
11/19/2008CN101309116A Optical transmitter system and method
11/19/2008CN101309115A Single-chip integrated single-fiber multi-direction transceiver for fiber-to-the-home
11/19/2008CN101309114A Method and system realizing automatic configuration of node working mode
11/19/2008CN101309113A Optical and electrical combined monitoring apparatus and method in optical transmitting network
11/19/2008CN101309112A Bi-terminal bidirectional distant transmission simulation of satellite laser communication and gourd detection apparatus
11/19/2008CN101309111A Infrared modular and infrared filtering bench
11/19/2008CN101309110A Method for manufacture infrared filtering bench
11/19/2008CN101308236A Focusing auxiliary equipment for wireless light communication equipment and its focusing method
11/19/2008CN101308232A Tapered optical fiber annular cavity optical comb type wavelength-division multiplexer and method of manufacture
11/19/2008CN100435504C Multi-wavelength CD and PMD compensator
11/19/2008CN100435503C Light transmission line
11/19/2008CN100435498C Raman amplification repeater
11/19/2008CN100435497C Device for monitoring optical signal in optical transmission system
11/19/2008CN100435159C Method for implementing mesh based optical mesh emulation platform
11/19/2008CN100435018C Structure of long wave long micro mechanical adjustable filter and producing method
11/19/2008CN100434894C Method for the reflectometric testing of an optical transmission line, optical device and optical transmission and reception device
11/18/2008US7454144 Low total excursion dispersion maps
11/18/2008US7454142 Data transmission method and data transmission apparatus
11/18/2008US7454141 Method and system for providing a return path for signals generated by legacy terminals in an optical network
11/18/2008US7454140 Fiber to the home broadband home unit
11/18/2008US7454139 High-capacity packet-switched ring network
11/18/2008US7454138 Method for optimizing path of optical network, and optical transmission node for realizing path optimization
11/18/2008US7453880 Media converter
11/18/2008US7453629 Semiconductor optical amplifier pulse reshaper
11/18/2008US7453627 Method for controlling the pump power of an optical amplifier
11/18/2008CA2403847C Method and apparatus for estimating chromatic dispersion in fibre bragg gratings
11/18/2008CA2400900C Raman amplifier with bi-directional pumping
11/13/2008WO2008137904A1 Wavelength division multiplexed passive optical network
11/13/2008WO2008137875A1 Lighting control protocol
11/13/2008WO2008137204A1 Modulator for frequency-shift keying of optical signals
11/13/2008WO2008137153A1 Optical fiber for optical power transmission
11/13/2008WO2008136992A2 Method and apparatus for low chirp transmitter for optical fiber communications
11/13/2008WO2008135965A1 Technique for compensating undesired effects in optical links of an optical communication network
11/13/2008WO2008135716A1 Remote powered node
11/13/2008WO2008134977A1 9b10b code for passive optical networks
11/13/2008WO2008134961A1 Apparatus and method for estimating a passive optical network model
11/13/2008WO2008134848A1 Fibre optic network installation
11/13/2008WO2007111797A3 System and method for implementing a boosterless optical communication system
11/13/2008WO2005067642A3 Method and apparatus for obtaining status information concerning optical amplifiers located along an undersea optical transmission line using cotdr
11/13/2008US20080279567 Asymmetric ethernet optical network system
11/13/2008US20080279566 Methods and apparatuses for measuring jitter in a transceiver module
11/13/2008US20080279565 Apparatus And Method For Selfadapting Dispersion Compensation
11/13/2008US20080279564 Systems and Methods of Polarization Time Coding for Optical Communications
11/13/2008US20080279563 Apparatus and Method for Self-Adaptive Dispersion Compensating
11/13/2008US20080279559 High Frequency Optical Millimeter-Wave Generation and Wavelength Reuse
11/13/2008US20080279558 Method & apparatus for clearing an optical channel
11/13/2008US20080279557 Wdm-pon system using self-injection locking, optical line terminal thereof, and data transmission method
11/13/2008US20080279554 Optical line terminal capable of active bandwidth allocation for passive optical network system
11/13/2008US20080279553 Optical transport network hierarchy for full transparent transport of datacom and telecom signals
11/13/2008US20080279550 Method and System For Measuring Average Q-Factor in Optical Networks
11/13/2008US20080279548 Method and apparatus for processing fault dependency of different levels of tandem connection monitoring
11/13/2008US20080279199 Power Line Communication System and Communication Device Used in the System
11/13/2008US20080278711 Distributed Backscattering
11/13/2008US20080278228 Control device with a switchable bandwidth
11/13/2008DE102007021547A1 Method for optical coding of analog optical signal, involves modulating analog optical signal by change of signal parameter as function of secret modulation key function
11/13/2008CA2685547A1 Fibre optic network installation
11/13/2008CA2684515A1 Lighting control protocol
11/12/2008EP1990937A1 A loading, detecting and monitoring method and apparatus for optical channel-associated signal
11/12/2008EP1990936A1 Illumination light wireless communication system
11/12/2008EP1989802A2 Transmission network having an optical receiver that utilizes dual power pins and a single status pin to lower power consumption, lower manufacturing cost, and increase transmission efficiency
11/12/2008EP1989801A1 Optical transmitter circuit
11/12/2008EP1989800A2 Dispersion management in branched optical networks
11/12/2008EP1989799A2 Optical fiber loopback test system and method
11/12/2008EP1989798A1 Sensing a disturbance
11/12/2008EP1989797A1 Sensing a disturbance
11/12/2008EP1989796A2 Discrete bootstrapping in an optical receiver to prevent signal feedback
11/12/2008EP1908193A4 Bidirectional hdcp transmission module using single optical fiber
11/12/2008CN201150067Y New-style mixed type passive optical network system
11/12/2008CN201150064Y New type passive optical network transmitting/receiving device
11/12/2008CN201150063Y Light line protective device with optical cable monitoring unit
11/12/2008CN201150062Y Ethernet passive optical network transmission equipment OLT and ONU
11/12/2008CN101305357A Media converter RFID security tag
11/12/2008CN101304617A Method, apparatus and system as well as server for upgrading optical network terminal
11/12/2008CN101304616A WDM-PON system using self-injection locking, optical line terminal thereof, and data transmission method
11/12/2008CN101304336A Method for directly and remotely managing optical network node build-in single disk
11/12/2008CN101304295A Equipment information visible apparatus
11/12/2008CN101304294A Non-obstruction optical network apparatus as well as optical network node end-to-end service non-obstruction decussation method
11/12/2008CN101304288A Optical line capable of distributing effective wideband in passive optical network
11/12/2008CN101304287A Method and apparatus for cascade connection of a couple of phase modulators to generate light alternation quarter-phase phase-shift keying code
11/12/2008CN101304286A Optical amplifier provided with control function of pumping light, and optical transmission system using the same
11/12/2008CN101304285A Optical amplifier provided with control function of pumping light, and optical transmission system using the same
11/12/2008CN101304284A Multichannel complete light 3R regenerator
11/12/2008CN101304283A Method and device for fault localization and safety prevention detection using passive optical network
11/12/2008CN101304282A Method and apparatus for protecting framing chip
11/12/2008CN101303507A Full optical wavelength converting device based on non-linear optical waveguide
11/12/2008CN101303506A Light differentiator based on silicon based ring-shaped resonant cavity
11/12/2008CN101303439A Optical assemblies and their methods of formation
11/12/2008CN100433629C Maintenance device for a communication system and method for transforing maintennance information
11/12/2008CN100433607C Transmission for embedded control channel data
11/12/2008CN100433606C Method for implementing optical network signal control platform
11/12/2008CN100433588C Method and apparatus for Raman amplifying of dual wavelength structure with linear gain
11/12/2008CN100433587C Method and system for determining optical dispersion displacement optical fiber L band transmission system
11/12/2008CN100433586C Communicator and communicating system
11/12/2008CN100433585C Optical receiver
11/12/2008CN100433578C Local search processing method and radio communicator
11/12/2008CN100432726C Opto-electronic module comprising flexible electric connection cable and method of making the same
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