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)
03/2007
03/13/2007CA2302260C Method of packet transmission in communications network
03/13/2007CA2265553C Quantum cryptography device and method
03/08/2007WO2007027450A1 Optical device for generating and modulating thz and other high frequency signals
03/08/2007WO2007027042A1 A wavelength-division multiplexed passive optical network for reducing degradation in noise characteristic of wavelength-locked fabry-perot laser diodes
03/08/2007WO2007026759A1 Optical amplitude modulating system capable of removing high-order component
03/08/2007WO2007026757A1 Dsb-sc modulation system capable of erasing carrier and secondary component
03/08/2007WO2007026538A1 Transmitter apparatus and communication system
03/08/2007WO2007026102A1 Optical communication bus network for avionic equipment
03/08/2007WO2007026083A1 Optoelectronic transmitting and receiving device
03/08/2007WO2007025929A1 Optical amplifier with optical gain-control
03/08/2007WO2007025468A1 Photoelectric module with integrated package
03/08/2007WO2007025346A1 Methods and apparatus for optical transmission of digital signals
03/08/2007WO2006138693A3 Optical transceivers and methods to reduce interference in optical transceivers
03/08/2007WO2006048859A3 Methods and systems for bandwidths doubling in an ethernet passive optical network
03/08/2007WO2006038895A3 An optical receiving device
03/08/2007US20070053699 Optical receiver
03/08/2007US20070053698 Free space optics photodetector and transceiver
03/08/2007US20070053697 Parallel precoder circuit
03/08/2007US20070053696 Optical amplifiers in a free space laser communication system
03/08/2007US20070053695 Free space optics alignment method and apparatus
03/08/2007US20070053694 Optical multi-channel free space interconnect
03/08/2007US20070053693 Wireless optical data probe
03/08/2007US20070053692 Method and system for transmitting information in an optical communication system using distributed amplification
03/08/2007US20070053689 Optical LAN terminal device and optical LAN system
03/08/2007US20070053688 Deliberate signal degradation for optimizing receiver control loops
03/08/2007US20070053687 Optical transmission system constructing method and system
03/08/2007US20070053650 Optical transmission device for controlling optical level of transmission signal in optical transmission system
03/08/2007US20070053421 Method and apparatus for adapting an information carrying signal
03/08/2007US20070053391 Laser pulse generator
03/08/2007DE10031943B4 Bitraten-unabhängiger optischer Empfänger und Verfahren dafür Bit-rate-independent optical receiver and method therefor
03/08/2007CA2621251A1 Methods and apparatus for optical transmission of digital signals
03/08/2007CA2620791A1 Optical device for generating and modulating thz and other high frequency signals
03/08/2007CA2620133A1 Optical amplifier with optical gain-control
03/08/2007CA2620025A1 Optical communication bus network for avionic equipment
03/08/2007CA2557434A1 Undersea equipment housing with molded terminations
03/07/2007EP1760953A2 Optical LAN terminal device and optical LAN system
03/07/2007EP1760944A1 Controlling visibility of a wireless device in discoverable mode
03/07/2007EP1760913A1 Differential multilevel modulated optical signal receiver apparatus
03/07/2007EP1760912A2 Parallel precoder circuit
03/07/2007EP1760911A1 Optical-wireless fusion communication system and optical-wireless fusion communication method
03/07/2007EP1760910A1 Optical bus system
03/07/2007EP1760521A1 Linear repeater and optical fiber communication system
03/07/2007EP1760520A2 Differential quadrature phase-shift modulator and method for setting driving voltage thereof
03/07/2007EP1759473A1 Device and method for the transmission of light signals in light waveguides
03/07/2007EP1554821B1 Systems and methods for testing a circuit in an optical communication network
03/07/2007EP1340325B1 A system and a method for limiting the maximum of light transmitted from a ribbon fiber
03/07/2007EP1329042B1 System for dispersion management with slope compensating fibers
03/07/2007CN2876809Y Small SFP single fiber double port light transceiving integrated module
03/07/2007CN2876807Y Single fiber bidirectional three port assembly
03/07/2007CN1926828A Packet communication network and packet communication method
03/07/2007CN1926792A Integrated post-amplifier, laser driver, and controller
03/07/2007CN1926791A Method and device for carrier residual signal generation
03/07/2007CN1925372A Remote sensing system
03/07/2007CN1925371A Trunk optical fibre protection inverting device and method for EPON system
03/07/2007CN1925370A WDM type passive optical network system
03/07/2007CN1925369A Apparatus for measuring waveform of optical electric filed
03/07/2007CN1925368A Infrared communication receiver
03/07/2007CN1924836A Audio play device with infrared auxiliary transmission function and data transmission method thereof
03/07/2007CN1924685A Method and arrangement for demodulating an optical DPSK binary signal
03/07/2007CN1924635A Dispersive light-emitting diode optical fiber illuminating system
03/07/2007CN1303774C Data catching technology
03/07/2007CN1303550C Signal processing arrangement
03/07/2007CN1303469C Dynamic feedback regulating and controlling method for power and gain chart of optical fibre Raman amplifier
03/07/2007CN1303446C Tunable dispersion compensator designing and making method
03/07/2007CN1303443C Array waveguide raster type comb filter
03/06/2007US7187873 Compensation of polarization mode dispersion in single mode fiber for maximum-likelihood sequence estimation
03/06/2007US7187872 Broadband pulse width modulation circuit and optical amplifier using the same
03/06/2007US7187871 Interferometric communication system and method
03/06/2007US7187870 Tunable balanced opto-electronic filters and applications in opto-electronic oscillators
03/06/2007US7187869 Method for adjusting time delays and device for synchronization of channels in a WDM system
03/06/2007US7187868 Wavelength division multiplexing optical transmission system using a spectral inversion device
03/06/2007US7187867 Optical wireless communication system
03/06/2007US7187866 System for distributing information and energy using fiber optic and optical wireless networks
03/06/2007US7187864 Frequency comb analysis
03/06/2007US7187862 Method of locating faults in optical telecommunication networks
03/06/2007US7187861 Method and apparatus for testing optical networks
03/06/2007US7187860 Method and apparatus for detecting localized polarization dependent anomalies on optical transmission lines
03/06/2007US7187838 System and apparatus for radial optical distribution
03/06/2007US7187824 Method of producing and improving an optical transmission line, and associated compensation modules
03/06/2007US7187821 Carrier suppression using adiabatic frequency modulation (AFM)
03/06/2007US7187819 Optical power distribution management and apparatus
03/06/2007US7187814 Optical add/drop device
03/06/2007US7186000 Method and apparatus for a variable intensity pulsed L.E.D. light
03/06/2007CA2546295A1 Interface circuit for a media access controller and an optical line termination transceiver module
03/06/2007CA2342556C Method for routing optical packets using multiple wavelength labels, optical packet router using multiple wavelength labels, and optical packet network that uses multiple wavelength labels
03/01/2007WO2007025037A2 Method and apparatus for control of dpsk and dqpsk receivers and transmitters
03/01/2007WO2007023888A1 Infrared communication apparatus and infrared communication method
03/01/2007WO2007023857A1 Light fsk/ssb modulator having intensity balance function
03/01/2007WO2007023707A1 Bidirectional optical communication method by bifunction organic diode and system therefor
03/01/2007WO2007023367A1 Installation for conveying a first plurality of electrical signals carried by a first triaxial cable to a second triaxial cable
03/01/2007WO2007022708A1 System and method for generating optical return-to-zero signals with differential bi-phase shift and frequency chirp
03/01/2007WO2007005755B1 Wavelength locking and power control systems for multi-channel photonic integrated circuits (pics)
03/01/2007WO2006093948A3 System and method for controlling and energizing a rotating object
03/01/2007WO2006017846A3 Low noise optical receiver
03/01/2007WO2006012303A3 Optical fiber transmission system with noise loading
03/01/2007US20070050835 Enhanced fiber nodes with cmts capability
03/01/2007US20070047972 DQPSK optical receiver circuit
03/01/2007US20070047971 RZ-DPSK optical receiver circuit
03/01/2007US20070047970 Multi-rate clock signal extracting method and multi-rate clock signal extracting device
03/01/2007US20070047969 Differential quadrature phase-shift modulator and method for setting driving voltage thereof