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)
04/2007
04/12/2007DE102004040837B4 Verfahren und System zur verteilten hochratigen Übertragung großer Digitaldatenmengen Method and system for distributed high-rate transmission of large amounts of digital data
04/11/2007EP1772983A1 Multimode optical transmission device
04/11/2007EP1772979A2 Circuit, system and method for monitoring an optical fibre network
04/11/2007EP1771987A1 Method and system for generating switching timing signal for separating transmitting and receving signal in optical repeater of mobile telecommunication network using tdd and ofdm modulation
04/11/2007EP1771972A2 Method and system for powerline networking
04/11/2007EP1639729B1 Transmitter for an optical communication signal
04/11/2007EP1362443B1 Regulating radiation component power in wavelength division multiplexed optical communication systems
04/11/2007EP1201011B1 Gain flattening with nonlinear sagnac amplifiers
04/11/2007EP0897547B1 Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion
04/11/2007CN1947363A 全光学转换器 All-optical converter
04/11/2007CN1947362A Compact optical transceivers
04/11/2007CN1946014A Non-uniform optical waveband aggregator and deaggregator and hierarchical hybrid optical cross-connect system
04/11/2007CN1946010A Light path short interruption control device and short interruption control method
04/11/2007CN1946009A Optical transmitter with integrated amplifier and pre-distortion circuit
04/11/2007CN1946008A Optical connection structure between optical backplane and circuit substrate
04/11/2007CN1946007A Device and its method for mixing and converging data service and SDH service
04/11/2007CN1945991A Method for protecting photoelectric integrated device and photoelectric integrated device
04/11/2007CN1945971A Contactless connector
04/11/2007CN1945368A Optical substrate and optical transmission method
04/11/2007CN1310541C Optical fiber coupling configurations for a main-remote radio base station and a hybrid radio base station
04/11/2007CN1310455C Light generator for WDM optical communication system
04/11/2007CN1310445C Swap-free optical fiber multiplexing apparatus for relaying protection
04/11/2007CN1310444C Ring type optical fiber CAN bus network
04/11/2007CN1310219C Optical reading device for reducing single distortion and single processing method
04/11/2007CN1310083C Double pump wide band optical fiber parameter amplifier
04/11/2007CN1310051C Controllable cascade type optical fiber raster DWDM single / multi-channel filter and its implementing method
04/11/2007CN1310047C Optical fiber and light transfer circuit using same
04/11/2007CN1310045C Optical fibre, optical transmission line and maufacturing method of optical fibre
04/11/2007CA2537358A1 V-coupled-cavity semiconductor laser
04/10/2007US7203429 Optical transmission system using optical signal processing in terminals for improved system performance
04/10/2007US7203428 Method and apparatus for polarization mode dispersion monitoring in a multiple wavelength optical system
04/10/2007US7203427 Redundant path all-optical regeneration, reshaping and wavelength conversion for enhanced yield
04/10/2007US7203426 Optical subassembly of optical transceiver
04/10/2007US7203425 Optical wireless link
04/10/2007US7203424 Automatic laser power control in an optical communication system
04/10/2007US7203423 Methods and systems for polarization mode dispersion compensation
04/10/2007US7203420 DCC loop plug
04/10/2007US7203402 Frequency comb analysis
04/10/2007US7203400 Dispersion compensating waveguide circuit
04/10/2007US7203392 Optical apparatus for bidirectional optical communication
04/10/2007US7203212 System and method for wavelength error measurement
04/10/2007US7202997 Optical amplifier and optical amplifier control method
04/10/2007US7202996 Optical amplifier
04/10/2007US7202995 Method and apparatus for communicating status in a lightwave communication system employing optical amplifiers
04/10/2007US7202727 Bi-directional signal level shift circuit
04/05/2007WO2007038556A2 Optical receiver protection circuit
04/05/2007WO2007038520A1 All-optical methods and systems
04/05/2007WO2007038087A2 Reconfigurable multiple port transponder
04/05/2007WO2007038023A1 Light pad charger for electronic devices
04/05/2007WO2007037919A1 Multilevel amplitude and phase encoded signal generation
04/05/2007WO2007037890A1 Device, system, and method for transporting data using combined broadband and legacy network infrastructures
04/05/2007WO2007037845A2 Preterminated fiber optic cable including downstream splitter
04/05/2007WO2007037212A1 Light receiving circuit and digital system
04/05/2007WO2007037123A1 Transmitting device, receiving device, transmitting method and optical communication system
04/05/2007WO2007037122A1 Optical communication device, optical communication method and optical communication system
04/05/2007WO2007036993A1 Light receiver and its identification threshold value generation method
04/05/2007WO2007036989A1 Optical signal multiplexing device and optical signal multiplexing method
04/05/2007WO2007036988A1 Optical signal separation device and optical signal separation method
04/05/2007WO2007036108A1 An automatic recovery detection method, automatic recovery method and apparatus for optical communication system
04/05/2007WO2007036051A1 Polarization optical time domain reflectometer and method of determining pmd
04/05/2007WO2006131580A3 Intruder detection system and associated method
04/05/2007US20070079250 Device home page for use in a device type manager providing graphical user interfaces for viewing and specifying field device parameters
04/05/2007US20070077073 Optical transmission device for controlling optical level of transmission signal in optical transmission system
04/05/2007US20070077072 Wavelength division multiplexing apparatus
04/05/2007US20070077071 System for measuring atmospheric turbulence
04/05/2007US20070077070 Optical code division multiplexing receiving device and time gate processing method in optical code division multiplexing receiving device
04/05/2007US20070077066 Optical wavelength controlling method and a system thereof
04/05/2007US20070077065 Method for conveying management information
04/05/2007US20070077064 Frequency envelope detection method for signal analysis
04/05/2007US20070077004 Large mode area fibers using higher order modes
04/05/2007US20070076746 Device, system, and method for transporting data using combined broadband and legacy network infrastructures
04/05/2007US20070075886 Transmitting and receiving device and transmitting device and receiving device
04/05/2007US20070075880 Coding circuit and coding apparatus
04/05/2007US20070075751 Receiving apparatus and method thereof
04/05/2007DE102006029269A1 Verbinder, in dem ein Lichtleiter gebildet ist A connector in which a light conductor is formed
04/05/2007DE102005047742A1 Radio module for motor vehicle, has antenna connection for communication over mobile network, and optical connection attached to unit to process data before transmitting or after receiving data, where connection is fiber optic connection
04/05/2007DE102005047550A1 Optically transmitted data equalizing method, involves conveying partial signals over partial glass fibers in output glass fiber, so that partial signals are merged into optical signal
04/05/2007DE102005046380A1 Correcting power level fluctuations of optical signal due to polarization-dependent losses, involves determining value for polarization-dependent losses after passing through transmission path by time, frequency-resolved power measurement
04/05/2007CA2619719A1 Polarization optical time domain reflectometer and method of determining pmd
04/04/2007EP1770888A2 An optical wavelength controlling method and a system thereof
04/04/2007EP1770887A1 Optical signal transmission apparatus, system and method
04/04/2007EP1770880A1 Optical fiber transmission line and optical cable including the same
04/04/2007EP1770419A1 Contactless connector
04/04/2007EP1769596A1 Optimisation of the number and location of regenerative or non-regenerative repeaters in wavelength division multiplex optical communication links
04/04/2007EP1769595A1 Method for transmitting information between persons
04/04/2007EP1769594A1 Method and apparatus for obtaining an optical power level in a pon
04/04/2007EP1768551A1 Means and method for detection of blood leakage from wounds
04/04/2007EP1344320B1 A line coding scheme for digital communications, transmission method and apparatus
04/04/2007EP1338104B1 A transmitter-receiver device and a communication system
04/04/2007EP1317789A4 Large current watchdog circuit for a photodetector
04/04/2007CN2886876Y Light emitter and its light source
04/04/2007CN1943148A An apparatus and method for generating an optical single sideband signal
04/04/2007CN1943147A Communications system and leakage optical fiber
04/04/2007CN1941955A Wireless base station and communication method therefor
04/04/2007CN1941676A Optical network regenerator bypass module and associated method
04/04/2007CN1941675A Transmitting and receiving device and transmitting device and receiving device
04/04/2007CN1941674A Up-down two-way transmission structure and signal transmission for mm-wave optical fibre transmission system
04/04/2007CN1941673A Method for amplifying a time-varying optical signal and optical amplification unit
04/04/2007CN1309217C A fault positioning method and equipment for communication network
04/04/2007CN1309189C Survival DWDM system method, device and system