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)
10/2012
10/31/2012CN202513911U Compatible multi-system wireless digital algorithm experiment hardware system with high flexibility
10/31/2012CN102763351A Transponder for an optical communications system and optical communications system
10/31/2012CN102763350A Method, system and node device for monitoring optical performance of wavelength channel
10/31/2012CN102763349A Optical transmitter
10/31/2012CN102762958A System for improving the dynamic range and reducing measurement uncertainty in fibre optic distributed sensors and fibre optic distributed measurement equipment
10/31/2012CN102761376A Optical signal amplifier and optical signal amplifying system
10/31/2012CN102761372A Optical module and light-emitting indication signal output circuit thereof
10/31/2012CN102761369A System, method and device for managing optical transport network
10/31/2012CN102761367A Optical line terminal optical module
10/31/2012CN102761365A Method and device for detecting optical power
10/31/2012CN102761364A Method and device for detecting optical time domain detection signal
10/31/2012CN102761363A Method and device for detecting optical time domain reflectometer signals
10/31/2012CN102761362A Optical receiver device
10/31/2012CN102761361A Low-consumption optical module, and realization method and realization circuit thereof
10/31/2012CN102761360A Optical signal processing method and device
10/31/2012CN101540937B Method for monitoring a passive optical network
10/31/2012CN101388724B Light signal transmission device, light signal transmission part and light signal receiving part
10/30/2012US8301040 Optical transmission system using raman optical amplification
10/30/2012US8301039 Delay processing apparatus, signal amplification apparatus, opto-electric conversion apparatus, analog-digital conversion apparatus, receiving apparatus, and receiving method
10/30/2012US8301038 Electronic circuit and communication system
10/30/2012US8301037 Iterative carrier-phase estimation and data recovery for coherent optical receivers
10/30/2012US8301036 High-speed adaptive decision feedback equalizer
10/30/2012US8301035 Optical communication apparatus, control apparatus, and method for controlling optical output
10/30/2012US8301034 Optical modulation device
10/30/2012US8301032 Wide field-of-view amplified fiber-retro for secure high data rate communications and remote data transfer
10/30/2012US8301031 Method and arrangement for switching a Raman pump laser on and/or off
10/30/2012US8301030 Rotary joint
10/30/2012US8301029 Electroacoustic transducer
10/30/2012US8301028 Data center with free-space optical communications
10/30/2012US8301025 Method for determining the optical signal-to-noise ratio and receiver device for an optical transmission system
10/30/2012US8300994 Transmitter photonic integrated circuit (TxPIC) chip
10/30/2012US8300306 Multi-stage raman amplifier
10/30/2012US8299361 Method and terminal device for implementing audio connector interface conversion
10/30/2012CA2464904C Optical limiter
10/26/2012WO2012145071A1 Optical transmission and reception with high sensitivity using m-ppm combined with additional modulation formats
10/26/2012WO2012144585A1 Diverging device with oadm function and wavelength division multiplexing optical network system and method therefor
10/26/2012WO2012144108A1 Optical reception method and optical receiver
10/26/2012WO2012144082A1 Optical transmitter and method for controlling the same
10/26/2012WO2012144038A1 Detection device, light receiving device, detection method, and light receiving method
10/26/2012WO2012143222A1 Communication system for power electronic converters
10/26/2012WO2012142977A1 An apparatus and method to calculate a noise figure of an optical amplifier for wavelength channels in a partial-fill scenario to account for channel loading
10/26/2012WO2012100254A3 Frame formatting for high rate optical communications
10/25/2012US20120272295 Method and system for enabling and controlling communication topology, access to resources, and document flow in a distributed networking environment
10/25/2012US20120269523 Optical differential phase-shift keyed signal demodulator
10/25/2012US20120269522 Differential transmission circuit and information processing system
10/25/2012US20120269521 Light source, optical signal generator, and electrical signal generator
10/25/2012US20120269520 Lighting apparatuses and led modules for both illumation and optical communication
10/25/2012US20120269519 Apparatus and Method to Calculate a Noise Figure of an Optical Amplifier for Wavelength Channels in a Partial-Fill Scenario to Account for Channel Loading
10/25/2012US20120269518 Optically-connected system for exchanging data among industrial automation devices
10/25/2012US20120269517 Method and Means of Eliminating Wiring Harness in High-Speed and High-Precision Machines
10/25/2012US20120269516 Optical transceiver apparatus and wavelength division multiplexing passive optical network system
10/25/2012US20120269515 1 tb/s converged optical metro-access transmission based on wavelength division multiplexed orthogonal frequency division multiple access passive optical network (wdm-ofdma-pon)
10/25/2012US20120269513 Optical reception device and optical reception control method
10/25/2012US20120269512 Transport of multiple asynchronous data streams using higher order modulation
10/25/2012US20120269509 Remote Electronic Component, Such As Remote Radio Head, For A Wireless Communication System, Remote Electronic Component Array And External Distributor Unit
10/25/2012US20120269508 Optical transmitter and optical transmission apparatus
10/25/2012US20120269507 Carrier phase estimator for non-linear impairment monitoring and mitigation in coherent optical systems
10/25/2012US20120269506 Method and system for an adaptive channel grid of an optical network
10/25/2012US20120269212 Inexpensive variable rep-rate source for high-energy, ultrafast lasers
10/25/2012US20120269068 Testing system
10/25/2012US20120268596 Secure Implementation of Network-Based Sensors
10/25/2012DE102012206468A1 Verfahren und Vorrichtungen, um flexible (Flex-)Schaltkreise von optischen Sende-Empfängermodulen davor zu schützen, während der Herstellung und des Zusammenbaus der Module beschädigt zu werden To methods and apparatus to protect flexible (Flex) circuits of optical transceiver modules before, during manufacture and assembly of the modules is damaged
10/24/2012EP2515454A1 Remote electronic component, such as remote radio head, for a wireless communication system, remote electronic component array and external distributor unit
10/24/2012EP2515453A1 Communication system for power electronic converters
10/24/2012EP2514127A2 Method and device for optical transmission of data
10/24/2012EP2514122A1 Method and apparatus for improved sbs suppression in optical fiber communication systems
10/24/2012EP2514121A1 Method and arrangement for transmitting an optical transmission signal with reduced polarisation-dependent loss
10/24/2012EP2514120A1 Apparatus and method for receiving a polarisation-multiplexed optical signal
10/24/2012EP2514119A1 Method and arrangement for stabilizing a color coding method for optical transmission of data
10/24/2012EP2513714A1 Photonic match filter
10/24/2012CN202503521U Reception signal compensation device of photoelectric module
10/24/2012CN202503520U High-speed Ethernet optical module and radio-frequency data transmission device thereof
10/24/2012CN202503517U Multi-network-converged optical fiber link transmission system
10/24/2012CN202503516U Transmission system supporting multiple communication modes
10/24/2012CN202503515U Module type multidisplay optical fiber transceiver
10/24/2012CN202503513U Communication device in high-voltage power electronic device based on FPGA and high-speed optical fiber
10/24/2012CN202503511U Signal detector and detection circuit thereof
10/24/2012CN202503510U High-speed communication circuit of low-speed optical coupler of load monitor
10/24/2012CN102754367A Multichannel nonlinearity compensation in an optical communications link
10/24/2012CN102754366A Optical network element
10/24/2012CN102752214A Method and device for restraining confliction with link
10/24/2012CN102752056A Time-division multiplexing electric-branching radio-frequency optical transmission module
10/24/2012CN102752055A Passive optical network and optical module of optical network unit thereof
10/24/2012CN102752054A Optical module of optical network unit
10/24/2012CN102752053A Audio converter
10/24/2012CN102752052A Optical module of optical network unit and method for outputting control electric signal thereof
10/24/2012CN102752050A Method and device for realizing communication between host machine and multiple optical modules
10/24/2012CN102752049A Local area network applying plastic optical fiber (POF) networking as well as optical switchboard and photoconverters of local area network
10/24/2012CN102752047A Fault detecting method and system of optical device
10/24/2012CN102752046A Optical module of optical network unit, optical power detection device and optical power detection method
10/24/2012CN102752045A Optical module for optical network unit
10/24/2012CN102752044A Simulation training device for networking change, optical cable interruption and recovering of power communication optical fiber network
10/24/2012CN102752043A Low-power-consumption intelligent optical distribution network (ODN) system
10/24/2012CN102752042A Optical line monitoring apparatus and optical line monitoring method
10/24/2012CN102749782A Adjustable time delay system of frequency domain linear phase shift
10/24/2012CN101610114B Optical receiving apparatus and digital receiving circuit
10/24/2012CN101405971B Optical transmission system and optical repeater
10/24/2012CN101090294B 光学无线通信装置 The optical wireless communication device
10/23/2012US8295715 Optical receiver and optical phase control method thereof
10/23/2012US8295714 Receiver algorithms for coherent detection of polarization-multiplexed optical signals
1 ... 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 ... 732