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)
11/2007
11/15/2007US20070264014 Variable gain optical amplifiers
11/15/2007US20070264013 Optical communication system
11/15/2007US20070264012 Identifying or Locating Waveguides
11/15/2007US20070264011 Network managing apparatus, optical add/drop multiplexer, and network managing method
11/15/2007US20070264010 Self Calibrated Optical Spectrum Monitor
11/15/2007US20070264009 Systems and methods of optical path protection for distributed antenna systems
11/15/2007US20070263782 Apparatus and method of managing POTS lines in a PON network
11/15/2007US20070263681 Clock transfer device
11/15/2007US20070263673 Methods and systems for DSP-based receivers
11/15/2007US20070263665 Systems for contention-based bandwidth requests in orthogonal frequency division multiplexing systems
11/14/2007EP1855407A2 Reconfigurable optical add/drop multiplexing device comprising wideband optical input/output interfaces
11/14/2007EP1855399A1 Method of operating and optimising a WDM transmission system and corresponding computer program product
11/14/2007EP1855398A1 Illumination light communication device
11/14/2007EP1855397A1 Apparatus, system and method for optical networks
11/14/2007EP1855396A1 An equipment for collectively monitoring a wavelength in dwdm system and a method thereof
11/14/2007EP1854230A1 Method and apparatus for pmd mitigation in optical communication systems
11/14/2007EP1854229A2 Phase chip frequency-bins optical code division multiple access
11/14/2007EP1853955A2 Optical transmission system including dispersion slope compensation
11/14/2007EP1853954A1 Method and apparatus for extracting light from an optical waveguide
11/14/2007EP1853886A2 Michelson interferometer based delay line interferometers
11/14/2007EP1744486B1 Simplified remote interface device and method for determining a failure at an optical fiber link terminated with a remote interface device
11/14/2007EP1654816B1 Wavelength-selective optical signal processing device
11/14/2007EP1425866B1 Generation of a sub-carrier modulated optical signal through electro-optical conversion of a Manchester encoded signal
11/14/2007EP0931276B1 Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion
11/14/2007CN200976592Y Hidden type repeater system for mobile communication system
11/14/2007CN101073221A Method of distributing keys over epon
11/14/2007CN101073211A System and apparatus for a carrier class WDM pon accommodating multiple services or protocols
11/14/2007CN101073210A Multi-ring resonator implementation of optical spectrum reshaper for chirp managed laser technology
11/14/2007CN101072155A Single optical fiber fault processing method for Ethernet antomatic protection system
11/14/2007CN101072074A Method of operating and optimising a WDM transmission system and computer program product
11/14/2007CN101072073A Self-defined Ethernet optronic interface performance test method and device
11/14/2007CN101072072A Space optical communication terminal scanning acquisition performance ground test method
11/14/2007CN101072071A Method for dynamically detecting tracking performance for space optical communication terminal
11/14/2007CN101072070A Method for generating low duty ratio optical data packet signal
11/14/2007CN101071202A Reflective magneto-optical switch
11/14/2007CN100349470C Elastic optical group exchanging method and node equipment based on dicyclic all-optical buffer storage
11/14/2007CN100349391C A optical transmitting system and optical transmitting apparatus thereof
11/14/2007CN100349390C Method for transmitting low-speed service signal in optical transport network and its device
11/14/2007CN100349336C 多级拉曼放大器 Multistage Raman amplifier
11/13/2007US7295784 Apparatus and method for performing electrically band-limited optical differential phase shift keying modulation
11/13/2007US7295783 Digital optical network architecture
11/13/2007US7295782 Control method and optical data transmission path for compensating changes in SRS-induced power exchange
11/13/2007US7295781 Polarization mode dispersion compensation
11/13/2007US7295780 Apparatus for detecting peaks of wavelength-division-multiplexed light, and apparatus for controlling said light
11/13/2007US7295778 Wavelength division multiplexed passive optical network system
11/13/2007US7295777 Optical/radio local access network
11/13/2007US7295776 Optical LAN device
11/13/2007US7295775 Method and a system for monitoring the transmission of optical signals
11/13/2007US7295774 Performance monitoring for optical links
11/13/2007US7295584 System and method for generating multi-wavelength laser source using highly nonlinear fiber
11/13/2007CA2372136C Technique for monitoring sonet signal
11/08/2007WO2007127208A2 Partial dpsk (pdpsk) transmission systems
11/08/2007WO2007125983A1 Light emitting element circuit, light transmitting system, light transmitting module, and electronic device
11/08/2007WO2007125810A1 Subscriber premise optical line terminating apparatus and optical transmission system
11/08/2007WO2007124660A1 Optical network termination, configuration method for limiting rate property of ports therefor, and message handling method
11/08/2007WO2007124581A1 Method and system for controlling optical networks
11/08/2007WO2007079705A8 Telecommunication device
11/08/2007WO2006069136A3 Optical transmission system including repeatered and unrepeatered segments
11/08/2007US20070258722 Optical receiver
11/08/2007US20070258721 Methods and Apparatus for Optical Networks
11/08/2007US20070258720 Inter-chip optical communication
11/08/2007US20070258718 Method and system for extending internet protocol remote control to non-internet protocol devices
11/08/2007US20070258715 Modular, Easily Configurable and Expandible Node Structure for an Optical Communications Network
11/08/2007US20070258676 Optical via to pass signals through a printed circuit board
11/08/2007DE102006045296A1 Transmission signal send-sided-forming method, involves determining control signal for modulator from sum of functional values of pre-distorted electrical transmitting signal, where sum is associated to last functional value of bit
11/08/2007DE102006032545B3 Optical signal-to-noise ratio determining method for optical transmission system, involves opto-electrically converting transmitted optical data signal into electrical data signal at receiver side
11/08/2007DE102006020166A1 Optical vestigial sideband signal producing arrangement for transmitting optical signal, has production arrangement producing one of modulation signals, and with differentiating unit and low pass filter
11/08/2007DE102006019901A1 Passive optical network for use as data access network for end customer, has optical line terminal formed such that clock recycling is effected with phase locked reference signal by using phasing comparison of upstream signal
11/08/2007CA2649069A1 Partial dpsk (pdpsk) transmission systems
11/07/2007EP1851885A2 Inter-module communications of an optical network element
11/07/2007EP1851884A1 Optical msk data format
11/07/2007EP1851883A2 System and method for suppression of stimulated brillouin scattering in optical transmission communications
11/07/2007EP1851882A1 System and method for generating optical return-to-zero signals with differential bi-phase shift
11/07/2007EP1730860A4 Flat-topped chirp induced by optical filter edge
11/07/2007EP1606894B1 Optical transmission system
11/07/2007EP1451960B1 Methods of connecting and testing interfaces for cwdm fiberoptic systems
11/07/2007EP1386425A4 Method and apparatus for re-acquisition after link disruption in an optical wireless link
11/07/2007EP1356621B1 Grooming of channels in wavelength division multiplexed optical communication systems
11/07/2007EP1332570B1 Network comprising converters between electrical and optical signals
11/07/2007EP1214760B9 Optical transmission systems including optical amplifiers and methods of use therein
11/07/2007CN200973095Y Mobile communication digital optical fibre directly amplifying application system
11/07/2007CN200973094Y Optical fibre insertion system of high speed synchronous data exchange standard optical modem
11/07/2007CN200973093Y UV optical communication system
11/07/2007CN200972556Y Microwave millimeter wave subcarrer optical signal generator
11/07/2007CN101069372A Filtering digital diagnostics information in an optical transceiver prior to reporting to host
11/07/2007CN101068136A Optical communication multichannel multiplexing method and system based on chromatic dispersion matching
11/07/2007CN101068131A Level detection circuit device for optical fiber communication limiting amplifier
11/07/2007CN101068130A Optical privacy communication system and securing method
11/07/2007CN101068129A Method for realizing broadcasting and/or group broadcasting business in WDM-PON and system thereof
11/07/2007CN101067761A Method and equipment for making interactive operation with display system
11/07/2007CN101067687A Optical modulation apparatus
11/07/2007CN101067672A Chromatic dispersion compensating fiber
11/07/2007CN100348001C Optical-switched (os) network to os network routing using extended border gateway protocol
11/07/2007CN100347977C Timing circuit of multiplex/demultiplex optical communicating signal
11/07/2007CN100347974C Dispersion compensator
11/07/2007CN100347916C Optical module
11/06/2007US7292793 Synchronous amplitude modulation for improved performance of optical transmission systems
11/06/2007US7292792 High speed modulation of optical subcarriers
11/06/2007US7292791 Optical-to-wireless wdm converter
11/06/2007US7292790 Method and system for compensating residual dispersion curvature
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