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)
10/2009
10/07/2009CN101552933A Optical network self-adapting route system for low/middle orbit double-layer satellite and calculating method of agent route
10/07/2009CN101552690A Configuration method, system and node equipment of node maintenance function
10/07/2009CN101552650A Optical interface method with lossless switch function and system thereof
10/07/2009CN101552644A DC interference suppressor circuit used for transimpedance preamplifier of infrared receiving system
10/07/2009CN101552643A Design method for utilizing photonic crystal fiber to realize 10Gbit/s optical signal chromatic dispersion compensation
10/07/2009CN101552642A Method and device for alignment of return-to-zero modulating pulse and transmission data
10/07/2009CN101552641A Frequency difference monitoring device and method used in digital coherent light receiver
10/07/2009CN101552640A Device and method for altering filter coefficients
10/07/2009CN101552639A System and method for fault identification in optical communication systems
10/07/2009CN101552638A Optical channel performance monitoring module
10/07/2009CN101552637A Optical fiber cable link testing device, system and method thereof
10/07/2009CN101552636A Optical modulator and controlling method and apparatus thereof
10/07/2009CN101551568A Microstrip resonance structure Terahertz wave modulation apparatus and method thereof
10/07/2009CN101551529A Light-operated microstrip resonance structure Terahertz wave modulation apparatus and method thereof
10/07/2009CN101551517A Coherent laser communication system based on wavefront correction
10/07/2009CN100548068C All-optical passive optical fiber network back board system
10/07/2009CN100548067C Light channel creation control method in light exchange network with multi-particle size
10/07/2009CN100547953C Measuring method for polarized dependent loss PDL
10/07/2009CN100547865C Light source, light transmitter, and method
10/07/2009CN100547445C Fast dynamic configurable optical grouping caching device in full optical network
10/06/2009US7599631 Burst optical receiver with AC coupling and integrator feedback network
10/06/2009US7599630 Coherent optical detection and signal processing method and system
10/06/2009US7599629 Optical receiver having an open loop automatic gain control circuit
10/06/2009US7599628 Method for modulating an optical signal and optical transmitter
10/06/2009US7599627 Method and system for a polarization mode dispersion tolerant optical homodyne detection system with optimized transmission modulation
10/06/2009US7599626 Communication systems incorporating control meshes
10/06/2009US7599625 Method of initializing optical communication links
10/06/2009US7599622 System and method for communicating optical signals between a data service provider and subscribers
10/06/2009US7599620 Communications network for a metropolitan area
10/06/2009US7599619 Wavelength division multiplexed optical communication system having a reconfigurable optical switch and a tunable backup laser transmitter
10/06/2009US7599618 Method and apparatus for self-testing of test equipment
10/06/2009US7599596 Optical receiver for use with range of signal strengths
10/06/2009US7599467 Device for contact-free transmission of signals and measured data in a computed tomography apparatus
10/06/2009US7599411 WDM-PON system with optical wavelength alignment function
10/06/2009US7599386 Method for establishing a subscriber connection and a system utilizing the method
10/06/2009US7599110 Raman pump power control for gain flattening
10/06/2009US7597487 Optical communication device
10/06/2009CA2415148C Joint ip/optical layer restoration after a router failure
10/06/2009CA2388247C Optical transmission systems including optical amplifiers and methods of use therein
10/01/2009WO2009121003A1 Modulating retro-reflector optical communication using polarization differential signaling
10/01/2009WO2009120219A1 Dynamic signal equalization in optical transmission systems
10/01/2009WO2009117969A1 Method、system and repeater for reducing switch delay of main and spare optical line termination
10/01/2009WO2009117822A1 Protected light source for multiple wavelength division multiplexed passive optical networks (wdm-pons)
10/01/2009US20090247074 Bi-Directional Signal Interface
10/01/2009US20090245816 Filter coefficient changing apparatus and method
10/01/2009US20090245815 Apparatus and method for frequency offset monitoring used in digital coherent optical receiver
10/01/2009US20090245814 Optical communications
10/01/2009US20090245813 Modulator driver with multi-channel active alignment
10/01/2009US20090245811 High bandwidth communication system and method
10/01/2009US20090245810 Dynamic Signal Equalization in Optical Transmission Systems
10/01/2009US20090245809 Optical transmission system
10/01/2009US20090245808 Method and system for inter-chip communication via integrated circuit package waveguides
10/01/2009US20090245807 Optical power monitoring circuit, optical transceiver, optical module, optical receiver, amplifier circuit, and integrated circuit
10/01/2009US20090245806 Visible light communication apparatus
10/01/2009US20090245805 System and Method for Communicating Wireless Data Utilizing a Passive Optical Network
10/01/2009US20090245804 System and method for improved infrared communication between consumer appliances
10/01/2009US20090245803 System and method for reduction of infrared noise during communication between consumer appliances
10/01/2009US20090245798 Optical circuit and receiver circuit
10/01/2009US20090245797 Communication system and apparatus
10/01/2009US20090245792 Network systems and communications equipment
10/01/2009US20090245789 Methods and Apparatus for Optical Modulation Amplitude Measurement
10/01/2009US20090245788 Integrated optical communication and range finding system and application thereof
10/01/2009US20090245787 Characterization and control of optical dispersion compensating element
10/01/2009US20090245786 Optical communication system, method of measuring optical transmission line in the optical communication system, transmitting station, and receiving station
10/01/2009US20090245785 Optical receiver
10/01/2009US20090245781 Apparatus and method for detecting timeslot conflict between optical network units in optical communication network
10/01/2009US20090245309 Dispersion Compensating Varactor Circuit
10/01/2009US20090244685 Optical modulator and controlling method and apparatus thereof
10/01/2009US20090243851 FSOC/Radio Intrusion Detection System
09/2009
09/30/2009EP2106044A1 Optical transmission system with pre-compensation and post-compensation of waveform distortion
09/30/2009EP2106043A1 Monitoring method and apparatus of noise light due to raman amplification and optical communication system using the same
09/30/2009EP2106042A1 Optical receiver
09/30/2009EP2106041A1 Visible light communication apparatus
09/30/2009EP2105720A1 Optical signal quality monitoring device and its method
09/30/2009EP1776787B1 An optical receiver and an optical transmission system incorporating the same
09/30/2009EP1368914B1 Method and apparatus for detection and compensation of pmd parameters in signals transmitted over optical fiber links and system of communication therewith
09/30/2009EP1249085B1 Dynamic distortion control
09/30/2009EP1068684B1 Optical fiber amplifier having a gain flattening filter
09/30/2009CN201319605Y TTL signal switching piece of PECL electrical level light module
09/30/2009CN101548493A Optical network unit and optical transmission system
09/30/2009CN101548492A Photoelectric composite wiring component and electronic apparatus employing it
09/30/2009CN101547381A Multicast RWA method with signal power attenuation limit in all-optical network
09/30/2009CN101547148A Terminal system of avionic electronic communication network
09/30/2009CN101547056A Optical signal division transmission system, optical transmitter, optical receiver
09/30/2009CN101547047A Receiving method of differential photoelectricity proposed and amplified burst light
09/30/2009CN101547046A Optical transceiver module and optical fiber connector
09/30/2009CN101547045A Passive optical network port switching method, optical line terminal and optical network system
09/30/2009CN101547044A Method, system and repeater for reducing time delay in switching main optical line terminal and spare optical line terminal
09/30/2009CN101546050A Electric-control phase-shift crystal birefringence free space optical bridge
09/30/2009CN101546048A Terahertz wave modulating device with light control coupled resonant cavity and method thereof
09/30/2009CN101546047A Terahertz wave modulating device with light control flat panel silicon photonic crystal and method thereof
09/30/2009CN100546273C Method for treating multiplexing segments of loop chain in automatic switching optical network
09/30/2009CN100546229C Marine-cable light compensator and compensation method
09/30/2009CN100546228C Common frequency optical fiber repeater for railway
09/30/2009CN100546227C Ethernet passive optical network multi-service dynamic broadband distributing method
09/30/2009CN100546226C Judging method and system for starting protection conversion system in light network
09/30/2009CN100546225C Method and apparatus for operating an optical receiver for low intensity optical communication in a high speed mode
09/30/2009CN100546175C 接收电路及光接收电路 A light receiving circuit and the receiving circuit
09/30/2009CN100545687C Bi-directional optical transceivers
09/29/2009US7596326 Distortion cancellation circuitry for optical receivers