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)
05/2004
05/26/2004EP1421716A1 Polarisation mode dispersion compensator
05/26/2004EP1421715A2 Agile multi-beam free-space optical communication apparatus
05/26/2004EP1110337A4 Optical remote control interface system and method
05/26/2004CN2618375Y Optical transmission wireless communication devices
05/26/2004CN1500321A Survival DWDM system
05/26/2004CN1500320A Integrated memory controller circuit for fiber optics transceiver
05/26/2004CN1499769A Passive optical fiber net of loop of multiple wave length light generated by utilizing central location
05/26/2004CN1499747A Method for implementing protection and restoration for intelligent optical network
05/26/2004CN1499281A Method and device for controlling light amplification safely
05/26/2004CN1499229A Variable birefringence cell and dispersion compensator in polarization mode
05/26/2004CN1151625C Routing and wavelength distributing method for optical wavelength division multiplexing network
05/26/2004CN1151617C Forward error correction for high-speed optical transmission system
05/26/2004CN1151616C Wave division multiplex multi-use communication metwork remote-control system and terminal station
05/26/2004CN1151615C Optical path establishing method for automatically exchanging optical network
05/26/2004CN1151613C Selection method for transmitter of wireless data transmission
05/25/2004US6742185 Video screen module endcap wireless signal transmitter
05/25/2004US6741812 Synchronous digital communications system
05/25/2004US6741811 Optical cross-connect device and system having the device
05/25/2004US6741810 Signal demultiplexing device and signal routing device in high speed transmission system
05/25/2004US6741763 Optical data transmission apparatus and method
05/25/2004US6741659 Wireless infrared digital audio transmitting system
05/25/2004US6741389 Optical transmission system and optical transmission method utilizing Raman amplification
05/25/2004US6741139 Optical to microwave converter using direct modulation phase shift keying
05/25/2004US6741081 Cable fault detector
05/25/2004CA2210508C Method for the transmission of a low-rate supplementary channel in high-rate coherent optical transmission systems
05/21/2004WO2004042977A1 System and method for reducing interference in an optical data stream using multiple, selectable equalizers
05/21/2004WO2004042969A1 Optical communication line and system with reduced polarization mode dispersion
05/21/2004WO2004042968A1 Receiver for angle-modulated optical signals
05/21/2004WO2004042967A2 Optical communications apparatus
05/21/2004WO2004042966A1 Method for carrying out infrared data transmission
05/21/2004WO2004042965A2 Optical fan-out and broadcast interconnect
05/21/2004WO2004042799A2 Age compensation in optoelectronic modules with integrated temperature control
05/21/2004WO2004042467A1 Optical amplification safety control method and apparatus
05/21/2004WO2003073137A8 Systems and methods for active monitoring and management of fiber links
05/21/2004WO2003034623A8 Efficient optical transmission system
05/21/2004CA2504642A1 System and method for reducing interference in an optical data stream using multiple, selectable equalizers
05/20/2004US20040098081 Apparatus and methods for deployment of vascular prostheses
05/20/2004US20040097199 Data communication apparatus and method
05/20/2004US20040096227 Digital signal processing receiver and method for its operation
05/20/2004US20040096225 Duobinary optical transmission apparatus
05/20/2004US20040096224 Optical wireless communication system
05/20/2004US20040096223 Modular dispersion map for an optical communication system
05/20/2004US20040096222 Optical fiber coupling configurations for a main-remote radio base station and a hybrid radio base station
05/20/2004US20040096220 Optical transmisssion system and optical transmission device
05/20/2004US20040096219 Grooming of channels in wavelength devision multiplexed optical communication systems
05/20/2004US20040096217 Compensator for compensation of higher-order chromatic dispersion
05/20/2004US20040096216 Transmission route applicability inspection system in wavelength division multiplexing optical transmission network system
05/20/2004US20040096215 Method and apparatus for performing system monitoring in a terminal independent interface located between a terrestrial optical terminal and an undersea optical transmission path
05/20/2004US20040096214 Method and apparatus for using optical idler tones for performance monitoring in a WDM optical transmission system
05/20/2004US20040096213 Method and apparatus for deploying forward error correction in optical transmission networks and the deployment of photonic integrated circuit (PIC) chips with the same
05/20/2004US20040096212 Optical channel monitoring device
05/20/2004US20040096170 Method for reducing stimulated brillouin scattering in waveguide systems and devices
05/20/2004US20040096158 Arrayed waveguide grating, arrayed waveguide grating module, arrayed waveguide grating module waveguide compensation method, optical communication system
05/20/2004US20040096143 Coherent optical detector and coherent communication system and method
05/20/2004US20040096140 Method and apparatus for providing controllable second-order polarization mode dispersion
05/20/2004US20040095976 HIgh speed switching driver
05/20/2004US20040095968 Fiber amplifier having a non-doped inner core and at least one doped gain region
05/20/2004US20040095636 Dynamic optical spectral control scheme for optical amplifier sites
05/20/2004US20040095569 Use of linear scattering losses to characterize amplified fiber spans
05/20/2004US20040095184 Driving circuit and driving method of light emitting device and optical communication apparatus
05/20/2004US20040094696 Wireless communication receiver using a totally internally reflecting concentrator
05/19/2004EP1420527A1 Digital signal processing receiver and method for its operation
05/19/2004EP1420511A1 Phase detector for extended linear response and highspeed data regeneration
05/19/2004EP1420491A2 Optical amplifier and optical amplifier control method
05/19/2004EP1419649A1 Method of establishing a subscriber connection and system utilising the method
05/19/2004EP1419611A2 Access node for multi-protocol video and data services
05/19/2004EP1419596A2 Single parameter gain slope adjuster for an optical system
05/19/2004EP1419595A1 Optical transmission systems, devices, and methods
05/19/2004EP1269661A4 Method and system for controlling polarization mode dispersion
05/19/2004EP0929952B1 Production of an optical frequency reference signal
05/19/2004DE10334837A1 Integrierter Transceiver-Schaltkreis und Kommunicationsbaugruppe Integrated transceiver circuit and Kommunicationsbaugruppe
05/19/2004DE10251504A1 Transmission of digital signals through opto-coupler for e.g. hazardous zone isolation, ensures mark-space ratio of output signal is identical with that of input signal
05/19/2004CN2617087Y Bidirectional optical fiber link dispension compensating device
05/19/2004CN2617086Y Signal transmission line capable of transmitting optical and electrical signal
05/19/2004CN2617085Y Satellite laser communication stimulating apparatus
05/19/2004CN1498477A Grooming of channels in WDM aptical communication systems
05/19/2004CN1498476A WDM optical communications system
05/19/2004CN1498466A Dispersion map for slope compensating fibers
05/19/2004CN1498465A Window-mounted free-space optical wireless communication system
05/19/2004CN1497895A 光传输系统 The optical transmission system
05/19/2004CN1497894A Dense wave division multiplex passive optical network system for self-implant locked Fabry-Perot laser diode
05/19/2004CN1497893A Double-binary optical transmission device
05/19/2004CN1497892A Optical transmitter, optical receiver and optical transmission system using them
05/19/2004CN1497875A Device and method for connecting optical waveguide between card and backplane
05/19/2004CN1497874A Transmitter of optical MSK signal and precoder
05/19/2004CN1497873A Optical communication disc containing power supply control function and system with the disc
05/19/2004CN1497855A Phase-shift binary transmission coder, phase regulator and optical network cell
05/19/2004CN1497279A Adjustable dispersion compensator with less fundamental mode optical fibre and switchable mode changer
05/19/2004CN1497247A Optical sampling system of simultaneous monitoring intensity modulation and frequency modulation
05/19/2004CN1496708A Method and device for transmissing data from rotation part to static part of system
05/19/2004CN1150699C Implementation method of data transmission between optical link terminal and optical network unit
05/19/2004CN1150533C Low-birefringence optical fiber for use in optical data storage system
05/19/2004CN1150412C Optical division/insertion multiplexer capable for being configurated dynamically
05/18/2004US6738584 Method for optical fiber communication, and terminal device and system for use in carrying out the method
05/18/2004US6738583 Self-aligning infra-red communication link
05/18/2004US6738582 Synchronization system for all optical slotted ring dynamic networks
05/18/2004US6738580 Wavelength division multiplex transmission system using asymmetrical filtering
05/18/2004US6738579 Synchronous digital communications system
05/18/2004US6738578 Optical communication method and apparatus
05/18/2004US6738553 Opto-electrical cross connect device of high density