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)
08/2002
08/20/2002US6437685 Cordless power transmission system, power transmission terminal and electrical appliance
08/20/2002US6437320 Optical amplifier control unit, optical amplification apparatus, and transmission system
08/20/2002CA2201894C Fiber-optic interface system
08/15/2002WO2002063811A2 Power balanced optical add/drop multiplexer and power balancing methods therefore
08/15/2002WO2002063800A1 Integrated memory controller circuit for fiber optics transceiver
08/15/2002WO2002048751A3 Dense wavelength division multiplexing (dwdm) fiberoptic source
08/15/2002WO2002041533A3 Free space communication receiver unit with controllable power attenuator
08/15/2002WO2002027422A3 Beamcast (continuous data beaming system)
08/15/2002WO2002017516A3 Holographic optical transceiver employing diffractive optic for atmospheric free space telecommunication
08/15/2002WO2001052372A9 Raman amplifier with bi-directional pumping
08/15/2002WO2001047241A8 Method and apparatus for optical reception
08/15/2002WO2001046991A8 Method and apparatus for packaging high frequency components
08/15/2002US20020111721 Communication system
08/15/2002US20020111135 System and method for extending the range of a base unit
08/15/2002US20020110315 Pre-splitter module for conditioning optical signals in an access network
08/15/2002US20020110304 Reflection suppression in multiple- reflector collimation system" .
08/15/2002US20020110303 Electro-optical transducer
08/15/2002US20020110125 Method and system for creating and implementing zones in hardware within a fibre channel system
08/15/2002US20020109910 Optical automatic gain control based on stable, non-absorbing optical hard limiters
08/15/2002US20020109909 Optical fiber amplifier and dispersion compensating fiber module for optical fiber amplifier
08/15/2002US20020109908 Optical dynamic gain amplifier
08/15/2002US20020109906 Optical transmission systems including signal varying devices and methods
08/15/2002US20020109896 Continuous wave laser subsystem
08/15/2002US20020109893 Methods and apparatus for generating return-to-zero optically encoded data stream
08/15/2002US20020109892 Light transmitter and optical transfer system
08/15/2002US20020109891 Transmitter for generating optically coded signals, a method of generating optically coded signals and a transmission system
08/15/2002US20020109888 Modulation scheme and transmission system for NRZ signals with left and right side filtering
08/15/2002US20020109887 Optical transmitting/receiving method and system, and optical communication network
08/15/2002US20020109886 Window-mounted free-space optical wireless communication system
08/15/2002US20020109885 Information transmission system and information transmission method, and, optical space transmission system and optical space transmission method
08/15/2002US20020109884 Agile multi-beam free-space optical communication apparatus
08/15/2002US20020109882 Optical packet exchange system and optical switch
08/15/2002US20020109881 Flexible and low cost wavelength management for optical networking
08/15/2002US20020109876 Fast protection switching by snooping on upstream signals in an optical network
08/15/2002US20020109875 Fast protection switching by snooping on downstream signals in an optical network
08/15/2002US20020109603 Methods and apparatus for an electronic shelf label communication system
08/15/2002US20020109076 Controlling apparatus and controlling method of optical switching device
08/15/2002US20020109075 DC offset cancellation circuit, differential amplification circuit with DC offset cancellation circuit, photo-electric pulse conversion circuit, pulse shaping circuit, and pulse generation circuit
08/14/2002EP1231813A2 Fast protection switching by snooping on downstream signals in an optical network
08/14/2002EP1231812A2 Fast protection switching by snooping on upstream signals in an optical network
08/14/2002EP1231732A1 Method for transmitting an optical signal over the free space
08/14/2002EP1231730A2 Continuous wave laser subsystem
08/14/2002EP1231725A2 Method and device for handling optical pulse signals
08/14/2002EP1231724A1 Method of transmission of an optical signal through free space
08/14/2002EP1231455A2 Method and system for optical spectrum analysis with a depolarized local oscillator signal
08/14/2002EP1230822A1 Fiber otpic circuit and module with switch
08/14/2002EP1230753A1 Process and apparatus for measuring polarisation dispersion in optical fibres
08/14/2002EP1230752A1 Virtual laser operator
08/14/2002EP1230683A2 I2c opto-isolator circuit
08/14/2002EP1123590B1 Method and apparatus for monitoring an optical wdm network
08/14/2002EP1046202A4 Automatic compensation of cnr and omi in a laser transmitter
08/14/2002EP1002383A4 Multi-wavelength cross-connect optical network
08/14/2002DE10102280A1 Signalübertragung für elektrische und elektronische Geräte mit externen akustischen Ein- und/oder Ausgabevorrichtungen Signal transmission for electric and electronic devices with external acoustic input and / or output devices
08/14/2002DE10102144A1 Optische Breitbandübertragungsvorrichtung und Verteilungsverfahren Broadband optical transmission device and partition methods
08/14/2002CN2506033Y Thin film interference filter type wave multiplexing device
08/14/2002CN2506029Y Light receiving emitting module
08/14/2002CN1364352A Matrix antenna surface station device
08/14/2002CN1364342A Transmission device
08/14/2002CN1089169C Increased capacity optical waveguide
08/13/2002US6434583 Fast fourier transform apparatus and method
08/13/2002US6434363 Infrared link
08/13/2002US6434308 Optoelectronic connector system
08/13/2002US6434296 Optical multiplexer/demultiplexer with three waveguides
08/13/2002US6434293 Rotary light coupler
08/13/2002US6434288 Optical switching system
08/13/2002US6434286 Optical signal switching apparatus
08/13/2002US6434187 Digital radiofrequency transceiver
08/13/2002US6433925 Optical fiber amplifier and optical transmission system using the same
08/13/2002US6433924 Wavelength-selective optical amplifier
08/13/2002US6433923 Optical transmission path having sections which overcompensate for dispersion occurring in the sections
08/13/2002US6433922 Apparatus and method for a self adjusting Raman amplifier
08/13/2002US6433906 Digital optical receiver for cable television systems
08/13/2002US6433905 Frequency agile transponder
08/13/2002US6433904 Method and apparatus for improving transmission performance over wavelength division multiplexed optical communication links using forward error correction coding
08/13/2002US6433903 Optical management channel for wavelength division multiplexed systems
08/13/2002US6433901 Optical performance monitor
08/13/2002US6433900 Optical wavelength multiplexing system having a redundant configuration
08/13/2002US6433899 Eye quality monitor for a 2R regenerator
08/13/2002US6433864 Apparatus for monitoring optical signal-to-noise ratio of optical signals in WDM optical transmission system
08/13/2002CA2237260C Optical transmitter
08/08/2002WO2002061995A1 Method and electro-optical circuit arrangement for line protection in a wdm data transmission link
08/08/2002WO2002061989A1 A method and system for transmission in an optical network
08/08/2002WO2002061988A2 Polarization mode dispersion compensator based on rotating micro-mirrors
08/08/2002WO2002061987A2 S+ band nonlinear polarization amplifiers
08/08/2002WO2002061986A2 Fiber optic communications using optical single side band transmission and direct detection
08/08/2002WO2002061985A2 Automatic laser power control in an optical communication system
08/08/2002WO2002061984A1 Transmission and reception of duobinary multilevel pulse-amplitude-modulated optical signals using finite-state machien-based encoder
08/08/2002WO2002061983A1 Dual-mode fiber optic telecommunications system and method
08/08/2002WO2002061982A1 Transmission and reception of duobinary multilevel pulse-amplitude-modulated optical signals using subsequence-based encoder
08/08/2002WO2002061981A2 Fiber optic communications
08/08/2002WO2002061980A1 Open-path/free-space optical communication system and method using reflected or backscattered light
08/08/2002WO2002061979A2 Monitor, control and configuration of fiber node via cable modem
08/08/2002WO2002061978A1 Transmission and reception of duobinary pam optical signal
08/08/2002WO2002061977A2 Repetition coding for optical networks of computing devices
08/08/2002WO2002061959A2 Open-path laser/optical communication systems and methods utilizing wavelengths between atmospheric and gaseous absorption lines
08/08/2002WO2002061955A2 System and method for wireless data exchange between an appliance and a handheld device
08/08/2002WO2002061473A2 Optoelectronic signal transmission semi-conductor element and method for producing a semi-conductor element of said type
08/08/2002WO2002009322A9 Transceiving device
08/08/2002WO2001052455A9 Communications system with digital return path
08/08/2002WO2001050642A9 Dynamic distortion control
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