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)
09/2012
09/19/2012CN102684791A Wired and wireless converged communication system, wired and wireless converged communication method and method and device for generating multi-waveband signals
09/19/2012CN102684790A Optical module control system utilizing FPGA (Field Programmable Gate Array)
09/19/2012CN102684789A Off-axis rotating optical communication system
09/19/2012CN102684788A Communicating device of optical remote sensor
09/19/2012CN102684783A Method for repairing intelligent wiring electronic tag
09/19/2012CN102684782A Protection device of Ethernet passive optical network (EPON) system and data redundancy backup method and monitoring method
09/19/2012CN102684781A Method and device for optimizing performance of optical module
09/19/2012CN102684777A Optical module and initialization method and device thereof
09/19/2012CN101330327B 光收发机 Optical transceiver
09/18/2012USRE43667 System for multiple use subchannels
09/18/2012US8270987 Radio-access method, related radio base station, mobile-radio network and computer-program product using an assignment scheme for antennas' sectors
09/18/2012US8270850 Demodulator and receiving device
09/18/2012US8270849 Phase error correction in a coherent receiver
09/18/2012US8270848 Device and method for receiving DQPSK signal and method for obtaining DQPSK signal
09/18/2012US8270847 Polarization multiplexing with different DPSK modulation schemes and system incorporating the same
09/18/2012US8270845 Multimode fiber tap for a LRM connection
09/18/2012US8270844 Low jitter RF distribution system
09/18/2012US8270843 Optical transmission system
09/18/2012US8270842 Optical signal processing device
09/18/2012US8270841 Quantum communication apparatus, quantum communication system and quantum communication method
09/18/2012US8270840 Backward compatible optical USB device
09/18/2012US8270839 Method and an apparatus to convert a light signal emitted by a display into digital signals
09/18/2012US8270838 Power distribution devices, systems, and methods for Radio-over-Fiber (RoF) distributed communication
09/18/2012US8270837 Optical power equalizer for passive optical network
09/18/2012US8270836 Signal transmitting device, transmitter and receiver
09/18/2012US8270835 Method and system for reducing cross-phase modulation in an optical signal
09/18/2012US8270834 Frequency modulated burst mode optical system
09/18/2012US8270833 Passive optical network system supporting wireless communication
09/18/2012US8270829 Apparatus and method for designing network
09/18/2012US8270828 Optical line monitoring apparatus and optical line monitoring method
09/18/2012US8270441 Very high power pulsed fiber laser
09/18/2012US8270419 Enhanced fiber nodes with CMTS capability
09/18/2012US8270070 Multi-fibre arrangement for high power fibre lasers and amplifiers
09/18/2012US8269431 Method and apparatus for producing linearized optical signals
09/13/2012WO2012122237A2 Turn-up and long term operation of adaptive equalizer in optical
09/13/2012WO2012122067A2 Composite article for use as self-cleaning material
09/13/2012WO2012121867A1 Method and apparatus for all-optical discrete fourier transform including all-optical ofdm demultiplexing
09/13/2012WO2012121850A2 Adjustable multiple-channel optical switch
09/13/2012WO2012121544A2 Wireless network system, wireless device, and network registration method of the wireless device
09/13/2012WO2012120645A1 Pon system, optical line terminal device and optical transmission path terminal device
09/13/2012WO2012120172A1 Method and apparatus for a bidirectional optical link comprising simultaneous amplitude and phase modulation by means of an integrated semiconductor device that is wavelength agnostic
09/13/2012WO2012119908A1 Rotary transmission device for machine tools
09/13/2012WO2012119495A1 Method and device for regulating optical power
09/13/2012WO2012119490A1 Method and system for protecting passive optical network
09/13/2012WO2012119412A1 Multi-channel optical assembly and test system
09/13/2012WO2012119411A1 Method for obtaining connection relationship of optical fibre, node device and optical network system
09/13/2012WO2012119398A1 Optical transmission module and optical signal transmission device
09/13/2012WO2012119396A1 Bi-direction optical sub-assembly and optical transceiver
09/13/2012WO2012119391A1 Adjustable laser device, optical module and passive optical network system
09/13/2012WO2012119364A1 Method and apparatus for determining an optical signal-to-noise ratio (OSNR) penalty
09/13/2012US20120232819 Dynamic dispersion detecting method and apparatus
09/13/2012US20120230704 Electrically controllable collimator in a laser resonator
09/13/2012US20120230703 Visible Light Communication Receiver, Visible Light Communication System, and Visible Light Communication Method
09/13/2012US20120230702 Photon detector
09/13/2012US20120230701 Optical space communication device, communication method thereof and optical space communication system
09/13/2012US20120230700 Optical Module Design in an SFP Form Factor to Support Increased Rates of Data Transmission
09/13/2012US20120230699 Light-based detection for acoustic applications
09/13/2012US20120230698 Wireless network system, wireless device, and network registration medthod of the wireless device
09/13/2012US20120230697 Notebook with universal circuit board realized by the use of optical fiber and the realization method
09/13/2012US20120230696 Led light communication system
09/13/2012US20120230693 Signal processing method, device, and system in a passive optical network
09/13/2012US20120230685 Transmitter and receiver for transceiving optical signals
09/13/2012US20120230684 Burst Power Measurements Using Averaged Power Measurement
09/13/2012US20120230683 System and Method for Remotely Monitoring Communication Equipment and Signals
09/13/2012US20120230682 Signal light monitoring apparatus, optical amplification apparatus and optical reception apparatus, and signal light monitoring method
09/13/2012US20120230681 Optical transmission apparatus and optical attenuation amount control method
09/13/2012US20120230680 Transmission quality determination method, transmission path selection method and network management system
09/13/2012US20120230679 Optical transmitter
09/13/2012US20120230677 Method and Device for Monitoring and Controlling Phase Difference Based on DQPSK Modulation
09/13/2012US20120230676 Turn-up and long term operation of adaptive equalizer in optical transmission systems
09/13/2012US20120230675 Ranging Method and System for Optical Network Unit in Passive Optical Network
09/13/2012US20120230674 Triggers to Fault Information Insertion in Optical Transport Network
09/13/2012US20120230673 Measurement of accumulated chromatic dispersion in an optical data transmission network
09/13/2012US20120230672 Optical network element
09/13/2012US20120230671 Communication data transmission equipment, a communication data transmission system, a communication data transmission method and a communication data transmission program
09/13/2012US20120229887 Optical fiber amplifier with improved performance
09/13/2012DE19604441B4 Vorrichtung zum Empfang elektromagnetischer Strahlung sowie bewegliches Objekt mit einer solchen Vorrichtung Means for receiving electromagnetic radiation and movable object with such a device
09/13/2012DE102011005339A1 Drehübertrager für Werkzeugmaschinen Rotary transformer for machine tools
09/13/2012CA2824968A1 Wireless network system, wireless device, and network registration method of the wireless device
09/12/2012EP2498550A1 Wireless network system, wireless device, and network registration method of the wireless device
09/12/2012EP2498439A1 Protection method and system under abnormal conditions in upgrade gigabit passive optical network terminal
09/12/2012EP2498426A1 Upstream fiber optic couplers and methods for power splitting passive optical networks
09/12/2012EP2498425A1 Device and method for polarization scattering compensation
09/12/2012EP2498424A1 Coherent optical detection and signal processing method and system
09/12/2012EP2498423A1 Coherent optical detection and signal processing method and system
09/12/2012EP2498422A1 Polarisation tracking sytem
09/12/2012EP2498421A1 Coherent optical detection and signal processing method and system
09/12/2012EP2498420A1 Method for operating optical data transmission links, optical data transmission system and control unit
09/12/2012EP2497207A1 Transceiver for plastic optical fiber networks
09/12/2012EP2497206A1 Method and device for adjusting a tunable laser of an optical network element
09/12/2012EP2497205A1 Optical network element
09/12/2012EP2497204A1 Method and device for determining output of visible frame in visible light communication system
09/12/2012EP2497203A1 Measurement of accumulated chromatic dispersion in an optical data transmission network
09/12/2012CN202435429U Plastic 650-nanometer fiber two-layer switch
09/12/2012CN202435408U System for trigger converter
09/12/2012CN102668419A Method and device for adjusting a tunable laser of an optical network element
09/12/2012CN102668418A Methods, systems and devices for providing fiber-to-the-desktop
09/12/2012CN102668416A Methods and apparatus for fast and energy-efficient link recovery in a visible light communication (VLC) system
09/12/2012CN102667560A Fiber optic rotary joints, methods practiced thereby, and fiber optic devices
09/12/2012CN102664685A Device and method for restraining in-band white noise in high-speed optical fiber communication system
1 ... 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 ... 732