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)
11/2005
11/15/2005US6965712 Low cost amplification in DWDM networks
11/15/2005US6965677 Focus fader with adjustable tension
11/15/2005US6965622 Wavelength locking scheme and algorithm for ultra-high density WDM system
11/15/2005US6965475 Optical component, optical device and optical communications system
11/15/2005US6965472 Nonreciprocal optical element with independent control of transmission opposite directions
11/15/2005US6965470 Adaptive control of power transients
11/15/2005US6965469 Fiber amplifier having a non-doped inner core and at least one doped gain region
11/15/2005US6965357 Light-emitting element drive circuit
11/15/2005US6965257 Multistage level discrimination circuit
11/15/2005US6965103 Signal strength detection circuits for high speed optical electronics
11/15/2005CA2309436C Laser wavelength control device
11/15/2005CA2282876C Method and apparatus for transmitting an internet protocol (ip) packet within a fiber optic network
11/13/2005CA2504970A1 Method and system for surveilling a telecommunications network link
11/10/2005WO2005107200A1 Device and method for optimal estimation of the transmission spectrum with the simultaneous modulation of complementary sequences
11/10/2005WO2005107108A1 Optical amplification producing wider total gain bandwidth
11/10/2005WO2005107107A2 Device and method for decoding an optical multi-level dpsk signal
11/10/2005WO2005107106A1 Wireless/optical transceiver devices
11/10/2005WO2005107105A1 Optical transceiver and host adapter with memory mapped monitoring circuitry
11/10/2005WO2005107104A1 System and method for subcarrier modulation in ism band as supervisory channel
11/10/2005WO2005106556A1 Fibre optic switching module and chassis comprising said module
11/10/2005WO2005106546A2 COOLERLESS AND FLOATING WAVELENGTH GRID PHOTONIC INTEGRATED CIRCUITS (PICs) FOR WDM TRANSMISSION NETWORKS
11/10/2005WO2005104735A2 System and method for wave vector multiplexed laser communication
11/10/2005WO2005060633A3 Architectures for optical networks
11/10/2005US20050250447 Communication system
11/10/2005US20050249509 Coolerless photonic integrated circuits (PICs) for WDM transmission networks and PICs operable with a floating signal channel grid changing with temperature but with fixed channel spacing in the floating grid
11/10/2005US20050249508 Method and system for controlling laser diodes in optical communications systems
11/10/2005US20050249507 Communications system
11/10/2005US20050249506 Burst optical communication apparatus
11/10/2005US20050249505 Spectral tilt measurement system and method for an optical medium
11/10/2005US20050249503 Optical communications with a bottom hole assembly
11/10/2005US20050249501 Airborne free space optical communication apparatus and method with subcarrier multiplexing
11/10/2005US20050249499 Optical transceivers for path-protected passive optical metro access rings
11/10/2005US20050249498 Operations method in an ethernet passive optical network that includes a network unit with multiple entities
11/10/2005US20050249497 Methods for dynamic bandwidth allocation and queue management in ethernet passive optical networks
11/10/2005US20050249469 Device for protecting fibre lines against destruction by laser radiation
11/10/2005US20050249468 Optical transceiver module with multipurpose internal serial bus
11/10/2005US20050249448 Self-healing fiber Bragg grating sensor system
11/10/2005US20050249259 Semiconductor laser module and optical transmission apparatus using the semiconductor laser module
11/10/2005US20050249252 Method and apparatus for digital signal processing enhanced laser performance compensation
11/10/2005US20050249249 Wavelength division multiplexing using carbon nanotubes
11/10/2005US20050248834 Optical amplifier for amplifying multi-wavelength light
11/10/2005US20050248833 Optical amplifiers
11/10/2005US20050248832 Gain-Flattening apparatus and methods and optical amplifiers employing same
11/10/2005US20050248823 Processing of signals with regenerative opto-electronic circuits
11/10/2005DE10307419B4 Optischer Drehübertrager Fiber Optic Rotary Joint
11/10/2005DE102004017951A1 Diagnosing device for optoelectronic safety connection block, has processing unit producing diagnosing signal indicating condition of block in response to dynamic signals and supply current and voltage of optical transmitter and receiver
11/09/2005EP1594241A1 Optical communication network system
11/09/2005EP1594238A2 Method and system for controlling laser diodes in optical communications systems
11/09/2005EP1594237A2 Optical communications system for diagnostic information applications
11/09/2005EP1593213A1 Optical transmission system
11/09/2005EP0852856A4 Infrared wireless communication between electronic system components
11/09/2005CN2739879Y Infrared receiving/transmitting device
11/09/2005CN1695328A Optical communication line and system with reduced polarization mode dispersion
11/09/2005CN1695327A Polarisation mode dispersion compensator using a mean square error technique
11/09/2005CN1695326A Contingous wavve pumped parallel fiber optical parametric amplifier
11/09/2005CN1695325A Method to deskew or skew optical channels
11/09/2005CN1695324A Method for carrying out infrared data transmission
11/09/2005CN1694572A Optical transceiver for compensating for loss due to transmission distance in passive optical network
11/09/2005CN1694385A Node structure in optical group transmission network and optical channel set-up mode
11/09/2005CN1694384A Adjustable dispersion compensator
11/09/2005CN1694383A Direct regulation laser optical transfer system
11/09/2005CN1694382A Optical protection exchange method based on quick adjustable coherent receiver
11/09/2005CN1694381A Line data-logging system based no CDMA network positioning function
11/09/2005CN1226834C System and method for communications between embedded equipments with visual images
11/09/2005CN1226647C Using (110) silicon wafer to manufacture micromechanical photoswitch, array of photoswitch and method
11/09/2005CN1226642C Method for producing optical fiber array element
11/08/2005US6963697 Increased transmission capacity for a fiber-optic link
11/08/2005US6963696 AC-coupled burst mode receiver with wide dynamic range
11/08/2005US6963695 Optical communication system and method of assigning signal channels
11/08/2005US6963685 Power source for a dispersion compensation fiber optic system
11/08/2005US6963681 Automatic raman gain control
11/08/2005US6963678 Electro-optical transducer with multi-reflector beam-expanding and collimating input/output device
11/08/2005US6963436 Method and device for waveform shaping of signal light
11/08/2005US6963119 Integrated optical transducer assembly
11/08/2005CA2231422C Optical pulse propagation
11/03/2005WO2005104407A2 Passive optical network and ultrawide band adapter
11/03/2005WO2005104406A1 Pulsed high loss loop back signalling scheme
11/03/2005WO2005104405A2 Out-of-band data communication between network transceivers
11/03/2005WO2005104404A2 Multifunctional optoelectronic thyristor and integrated circuit and optical transceiver employing same
11/03/2005WO2005104403A2 Compact optical transceivers
11/03/2005WO2005103783A2 Flexible band tunable filter
11/03/2005WO2005102021A2 Flexible active signal cable
11/03/2005WO2005038493A3 Optical signal equalizer with adjustable linear filter
11/03/2005WO2005027360A3 Scintillation free laser communication system
11/03/2005US20050245196 Device and method for optimally estimating the transmission spectrum by means of the simultaneous modulation of complementary sequences
11/03/2005US20050245190 Information system
11/03/2005US20050244167 Signal-to-noise ratio (SNR) value characterization in a data recovery channel
11/03/2005US20050244165 Scalable transceiver based repeater
11/03/2005US20050244164 Dispersion compensating method, optical transmission system, and optical transmission apparatus
11/03/2005US20050244163 Integrated post-amplifier, laser driver, and controller
11/03/2005US20050244162 All-optical signal regeneration
11/03/2005US20050244161 Optical transmission system, optical transmission and reception apparatus, optical transmission apparatus, optical wavelength channel connection recognition control method and wavelength allocation apparatus
11/03/2005US20050244160 Optical transceiver for compensating for loss due to transmission distance in passive optical network
11/03/2005US20050244158 Method and apparatus for a variable rate pipe on a linear connection
11/03/2005US20050244157 Methods and apparatus for communicating dynamic optical wavebands (DOWBs)
11/03/2005US20050244155 Optical signal transmitter and optical signal transmission system
11/03/2005US20050244154 Performance monitoring based on optical autocorrelation
11/03/2005US20050244116 Cables and cable installations
11/03/2005US20050243907 Method and apparatus for monitoring phase-shift keyed optical signals
11/03/2005US20050243408 Configurable two-wire interface module
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