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)
08/2008
08/20/2008CN101248645A Infrared communication apparatus and infrared communication method
08/20/2008CN101248602A Method and system for polarization modem dispersion compensation
08/20/2008CN101248601A Installation for conveying a first plurality of electrical signals carried by a first triaxial cable to a second triaxial cable
08/20/2008CN101247666A Protecting equipment and method based on optical network system
08/20/2008CN101247665A Method for improving gigabit passive optical network reliability
08/20/2008CN101247517A Mobile television signal subway tunnel covering system based on leakage cable
08/20/2008CN101247372A Communication system, gateway device and adapter device
08/20/2008CN101247258A Service distribution method and system
08/20/2008CN101247199A Wavelength shift testing apparatus, wavelength locking system and method thereof
08/20/2008CN101247182A Power control method of passive optical network
08/20/2008CN101247181A Method and device for generating high-frequency microwave signal through optical fiber stimulated Brillouin scattering
08/20/2008CN101247180A Microwave signal frequency translation method and device based on optical fiber stimulated Brillouin scattering
08/20/2008CN101247179A Broadband light source optimization pump device used for SBS slow light detention
08/20/2008CN101247178A Power-down alarm transmission method of compact synchronous digital transmission equipment
08/20/2008CN101247177A Analog-to-digital conversion controller, optical receiving device, optical receiving method, and waveform-distortion compensating device
08/20/2008CN101247128A Pulse-width modulation type optical fiber communication coding/decoding method and circuit with synchronous clock
08/20/2008CN101246238A Adjustable DC full optical fiber interference method and system
08/20/2008CN100413263C Method for end-to-end data business establishment
08/20/2008CN100413235C WDM device
08/20/2008CN100413230C Optically amplified receiver
08/20/2008CN100413229C Mobile random channel testing system for atmosphere
08/20/2008CN100413078C CMOS photoelectric integrated receiver with pre-equalizing circuit
08/19/2008US7415536 Address query response method, program, and apparatus, and address notification method, program, and apparatus
08/19/2008US7415213 Optical receiver having transient compensation
08/19/2008US7415212 Data communication system, data transmitter and data receiver
08/19/2008US7415211 Interconnections and protection between optical communications networks
08/19/2008US7415210 Bidirectional optical signal multiplexer/demultiplexer
08/19/2008US7415209 Method for operating an ethernet optical area network (“EOAN”) over one more metropolitan areas
08/19/2008US7415208 Method and system for allocating bandwidth in an optical communication network
08/19/2008US7415207 Digital cross-connect
08/19/2008US7415206 Arrangement for characterizing and reducing multi-path interference (MPI) and/or optical return loss (ORL) in optical transmission links having multiple discrete reflection sources
08/19/2008US7415205 Wavelength division multiplexed self-healing passive optical network using wavelength injection method
08/19/2008US7415182 Optical fiber cable
08/19/2008US7415111 Optical network unit and optical line terminal
08/19/2008US7415053 Optical transmitter with a least pair of semiconductor laser diodes
08/19/2008US7415002 Circuit synchronization over asynchronous links
08/19/2008US7414961 System and method for multiframe alignment in a multipoint-to-point orthogonal frequency division multiplexing system
08/19/2008US7414960 Multiuse subcarriers in multipoint-to-point communication using orthogonal frequency division multiplexing
08/19/2008US7414234 Measurement of burst mode optical power over multiple bursts
08/19/2008CA2415564C Optical pulse pattern generator
08/14/2008WO2008097774A1 Retro-directive target for free-space optical communication and method of producing the same
08/14/2008WO2008096415A1 Transmission system and transmission method
08/14/2008WO2008095333A1 Data transmission method, system and device for oximeter
08/14/2008WO2008057904B1 Small form pluggable analog optical transmitter
08/14/2008WO2008036567A3 System and method for imaging objects through turbid media
08/14/2008US20080193145 Optical transmitting apparatus and temperature controlling method used therefor
08/14/2008US20080193144 Slow chirp compensation for enhanced signal bandwidth and transmission performances in directly modulated lasers
08/14/2008US20080193143 Chirp-managed, electroabsorption-modulated laser
08/14/2008US20080193142 Hermetically Coupling Device
08/14/2008US20080193140 Optical network unit transceiver module with arrayed i/o video contacts
08/14/2008US20080193139 Two-Way Communication in an Autonomous in Vivo Device
08/14/2008US20080193138 Roll-Calling Mechanism Based Vision System For Elevator Positioning
08/14/2008US20080193137 Method and apparatus for extending broadband communication services over a wireless link while protecting the network from performance degradations caused by the wireless link
08/14/2008US20080193129 Video transmission system of a ring network
08/14/2008US20080193128 Computer ethernet card based on passive optical network
08/14/2008US20080193125 Apparatus and method for measuring the quality of burst signals and performing optical line diagnostics
08/14/2008US20080192919 Communication system, gateway device and adapter device
08/14/2008DE202007017887U1 Verzerrungs- und Rauschunterdrückungssystem für HFC (Hybrid Fiber Coax)-Netzwerke Distortion and noise reduction system for HFC (Hybrid Fiber Coax) networks
08/14/2008DE19637417B4 Betriebsverfahren für einen Datenbus Operating method for a data bus
08/14/2008DE102006059442B4 Vorrichtung zur optischen Datenübertragung Device for optical data transmission
08/13/2008EP1956573A1 Infrared transmission device and application
08/13/2008EP1956493A1 Optical data link
08/13/2008EP1955464A1 A method and device for digitising an electrical signal
08/13/2008EP1955455A1 Optical component for gain-flattening wdm signals comprising said component and optical amplifier
08/13/2008EP1955454A1 Power line communication system using hybrid-fiber coaxial and communication device used in the system
08/13/2008EP1955453A1 Method and system for measuring average q-factor in optical networks
08/13/2008EP1955452A1 Method and apparatus for sampled optical signal monitoring
08/13/2008EP1955451A1 Method and apparatus for generating optical duo binary signals with frequency chirp
08/13/2008EP1659710B1 Optical transmitter
08/13/2008EP1269115B1 Battery module transceiver for extending the range of an infrared remote controller
08/13/2008EP0830743B1 Modular unit headset
08/13/2008CN201100951Y Integrated access device
08/13/2008CN201100946Y 光功率光电探测器 Optical power photodetector
08/13/2008CN101243663A Light receiver and its identification threshold value generation method
08/13/2008CN101242339A IP data transmission method based on RRU
08/13/2008CN101242252A Method for realizing dual-link redundancy backup of network device based on Combo interface
08/13/2008CN101242225A A configuration selection method for optical network unit
08/13/2008CN101242224A An optical fiber pipe monitoring system
08/13/2008CN101242072A Optical amplifier for amplifying multi-wavelength light
08/13/2008CN101241241A Raman optical amplification atom filtering method and apparatus
08/13/2008CN101241187A Passive synthetic aperture electrooptical imaging array phase real time delay system
08/13/2008CN100411349C Optical node device, network control device, maintenance-staff device, optical network, and 3R relay implementation node decision method
08/13/2008CN100411263C Laser diode driver circuit and optical communication device
08/13/2008CN100410706C Opto-electronic integrated circuit device, opto-electronic integrated circuit system and transmission method
08/13/2008CN100410636C Circuit modular of APD signle photon detection
08/12/2008US7412175 Interferometric polarization control
08/12/2008US7412174 Method and apparatus for distortion control for optical transmitters
08/12/2008US7412173 Apparatus for generating optical carrier suppressed return-to-zero
08/12/2008US7412172 Impedance matching circuit with simultaneous shielding of parasitic effects for transceiver modules
08/12/2008US7412171 Optical ring network architecture
08/12/2008US7412170 Broad temperature WDM transmitters and receivers for coarse wavelength division multiplexed (CWDM) fiber communication systems
08/12/2008US7412169 FTTH system for convergence of broadcasting and communication through switched broadcasting
08/12/2008US7412167 System and method for limiting the transmission capacity on a data transmission path
08/12/2008US7412166 Pilot tones for optical signal wavelength identification and power measurement
08/12/2008US7412165 DCC loop plug
08/12/2008US7412164 Photoelectric cross-connect system
08/12/2008US7412136 Super-resolution optical components and left-handed materials thereof
08/12/2008US7412120 Optical module and optical transmission apparatus
08/12/2008US7412116 Optical device for simultaneously generating and processing optical codes
08/12/2008US7411728 Devices and methods for raman amplification and dispersion compensation