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)
06/2005
06/29/2005CN1208638C Non-dispersion shifted fibre
06/28/2005US6912379 Infrared ray transmitting and receiving device having a signal communicator
06/28/2005US6912362 Dispersion slope equalizer
06/28/2005US6912361 Optical transceiver module with multipurpose internal serial bus
06/28/2005US6912360 Free space point-to-multipoint optical communication system and apparatus
06/28/2005US6912359 Methods for monitoring performance in optical networks
06/28/2005US6912348 Dispersion-compensating fiber using a higher-order mode
06/28/2005US6912346 Optical filter device for temperature dependence control
06/28/2005US6912339 Optical interface devices having balanced amplification
06/28/2005US6912337 Network healing smart fiber optic switch
06/28/2005US6912334 Optical switch
06/28/2005US6912328 Real-time polarization mode dispersion characterization
06/28/2005US6912088 Polarization mode dispersion emulator
06/28/2005US6912084 Method and apparatus for controlling pump powers of broadband raman amplifiers used in optical transmission systems
06/28/2005US6912075 Ring architecture for an optical satellite communication network with passive optical routing
06/28/2005US6911645 DWDM channel detection system
06/28/2005US6911644 Automatic gain control device for a burst-mode optical receiver
06/28/2005US6910780 Laser and laser signal combiner
06/28/2005CA2195614C Symmetric, dispersion-manager fiber optic cable and system
06/23/2005WO2005057835A2 Information distribution system for aircraft
06/23/2005WO2005057823A1 Detector autocalibration in qkd systems
06/23/2005WO2005057816A1 Modulator and demodulator for passive optical network
06/23/2005WO2005057815A1 Optical fiber radio transmission system, transmission device, and reception device
06/23/2005WO2005057814A1 Arrangement for the compensation of raman scattering
06/23/2005WO2005057813A1 Method for regulating the pump power of an optical amplifier
06/23/2005WO2005057737A2 Very high power pulsed fiber laser
06/23/2005WO2005057246A2 Temperature-controlled flexible optical circuit for use in an erbium-doped fiber amplifier and method for fabricating the flexible optical circuit
06/23/2005WO2005039077B1 Method for establishing a subscriber connection and a system utilizing the method
06/23/2005WO2005034390A3 An improved communication link for communicating data
06/23/2005WO2005027370A3 Method and apparatus for identification and acquisition of directional wireless communications links to a network
06/23/2005WO2004070429A3 Periodic optical packet switching
06/23/2005WO2002078218A8 Optical communication method and optical communication device
06/23/2005US20050138670 Digital video overlay for passive optical networks
06/23/2005US20050138217 Bus interface for optical transceiver devices
06/23/2005US20050137782 Optical communication equipment and vehicle control method
06/23/2005US20050135818 Apparatus for controlling decision threshold voltage to optical receiver
06/23/2005US20050135817 Control device with a switchable bandwidth
06/23/2005US20050135815 Fiber optic phased array and associated method for accommodating atmospheric perturbations with phase and amplitude control
06/23/2005US20050135814 Apparatus and method for simulating a length of optical fiber
06/23/2005US20050135813 Linear full-rate phase detector and clock and data recovery circuit
06/23/2005US20050135812 Laser-based communications with a remote information source
06/23/2005US20050135810 Self-healing passive optical network
06/23/2005US20050135808 Optical network termination device for use in passive optical network based on WDM/SCM scheme
06/23/2005US20050135807 Switching control device for wavelength-division multiplexing optical signal
06/23/2005US20050135805 Optical transponder and method for detecting and treating errors in optical channel sublayer of the optical transponder
06/23/2005US20050135778 Method of providing wider window margin in an eye diagram of a received signal in a transmission system
06/23/2005US20050135735 Architectures for optical networks
06/23/2005US20050135732 Silicon carrier for optical interconnect modules
06/23/2005US20050135731 Optical receiver photonic integrated circuit (RxPIC) system
06/23/2005US20050135730 Method of monitoring and controlling the bit error rate (BER) in an optical communication network
06/23/2005US20050135729 Optical transmission network with a receiver photonic integrated circuit (RxPIC) utilizing an optical service chanel (OSC)
06/23/2005US20050135722 Apparatus for compensating polarization mode dispersion
06/23/2005US20050135510 Decision feedback equalizer and clock and data recovery circuit for high speed applications
06/23/2005US20050135475 Continuous time filter-decision feedback equalizer architecture for optical channel equalization
06/23/2005US20050135470 Using clock and data recovery phase adjust to set loop delay of a decision feedback equalizer
06/23/2005US20050135449 Integration of laser sources and detectors for a passive optical network
06/23/2005US20050134476 Domestic appliance
06/23/2005US20050133695 Photodetector and optical receiver
06/23/2005US20050133691 Optical receiver circuit
06/23/2005US20050132785 Raman amplifier and wavelength division multiplexing optical communication system, and method of controlling raman amplification
06/23/2005CA2550129A1 Arrangement for the compensation of raman scattering
06/22/2005EP1545043A2 Using clock and data recovery phase adjust to set loop delay of a decision feedback equalizer
06/22/2005EP1545035A1 Spatial/frequency cross-connecting apparatus for a satellite telecommunications repeater and associated repeater and satellite
06/22/2005EP1545034A2 Digital video overlay for passive optical networks
06/22/2005EP1545030A2 Optical channel equalisation
06/22/2005EP1545029A2 Optical receiving device
06/22/2005EP1545028A2 Control device with variable bandwidth
06/22/2005EP1545027A1 Robot communication system
06/22/2005EP1544828A1 Optical communication equipment and vehicle control method
06/22/2005EP1544669A1 optical signal regenerator, use of such a device and system including such a device
06/22/2005EP1544150A1 Elevator equipment
06/22/2005EP1543685A2 Arrangement for monitoring patch panels at distributor points in data networks
06/22/2005EP1543637A1 Data processing network having an optical network interface
06/22/2005EP1247400A4 System and method for transmitting data on return path of a cable television system
06/22/2005EP1078480B1 A device and method for wireless data transmission
06/22/2005CN2705796Y Duplex light transmitting and receiving module group
06/22/2005CN1630986A Multiple channel wireless communication system
06/22/2005CN1630485A Appliance control methods and apparatus
06/22/2005CN1630377A A hardware platform for transmission apparatus
06/22/2005CN1630224A Optical code mark switch based all optical network
06/22/2005CN1630223A Service switch-in protecting device
06/22/2005CN1629671A Silicon carrier for optical interconnect modules
06/22/2005CN1629555A Domestic appliance
06/22/2005CN1207925C Transparent optic cross connection device
06/22/2005CN1207856C Node structure of light transmission network based on adjustable wavelength shifter and wavelength self-router
06/22/2005CN1207855C Wavelength dispersion compensation module and optical transmission system including the same
06/22/2005CN1207592C Light-controlled multi wavelength selective photoswitch
06/22/2005CN1207586C Waveguide type polarization mode separator
06/21/2005US6909855 FM modulator
06/21/2005US6909854 Methods and apparatus for beam shaping in optical wireless communications system
06/21/2005US6909853 Apparatus for transferring monitor signals in photo-transfer system
06/21/2005US6909852 Linear full-rate phase detector and clock and data recovery circuit
06/21/2005US6909851 Dispersion compensation apparatus including a fixed dispersion compensator for coarse compensation and a variable dispersion compensator for fine compensation
06/21/2005US6909850 Method and arrangement for establishing a connection between satellites
06/21/2005US6909849 Remote control and flashlight system
06/21/2005US6909848 Self-adjusting bit rate transducer in optical transmission system
06/21/2005US6909834 Media converter that protects optical fiber cable
06/21/2005US6909826 Multiple grating optical waveguide monitor
06/21/2005US6909821 Network for distributing signals to a plurality of users
06/21/2005US6909742 Method and apparatus for reducing interference in a data stream using autocorrelation derived equalization