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)
11/1997
11/12/1997	CN1164936A Method of control of light amplification medium, light amplifier, and system using the same
11/11/1997	US5687261 Fiber-optic delay-line stabilization of heterodyne optical signal generator and method using same
11/11/1997	US5687260 Optical fiber switch using four gate directional coupler and control pulse
11/11/1997	US5687021 Method and device for combining optical signals
11/11/1997	US5687018 Receiving system with signal transmitting systems for transmitting an input signal as a modulated beam with an adjusted beam intensity
11/11/1997	US5687015 Radio apparatus
11/11/1997	US5687013 Optical communication system having loop-back function for informing congestion state of receiving node
11/11/1997	CA2092296C Test apparatus
11/11/1997	CA2090406C Method and apparatus for transmitting information
11/11/1997	CA2080932C Soliton generator
11/06/1997	WO1997041651A1 An electronic circuit for receiving and discriminating modulated light and an electronic price display comprising said circuit
11/06/1997	WO1997041472A1 Optical network unit (onu) mechanical enclosure
11/06/1997	DE19712768A1 Polarisation mode dispersion measuring unit with variable light source wavelength
11/06/1997	CA2252485A1 Optical network unit (onu) mechanical enclosure
11/05/1997	EP0805571A2 Controller which controls a variable optical attentuator to control the power level of a wavelength-multiplexed optical signal when the number of channels are varied
11/05/1997	EP0805569A1 Optical fiber transmission system
11/05/1997	EP0805372A1 An acousto-optical waveguide device with compensation of polarization mode dispersion
11/05/1997	EP0804835A1 Multi-tone phase modulation for light wave communication system
11/04/1997	US5684871 Method and apparatus for multi-mode infrared data transmission
11/04/1997	US5684615 Optical system
11/04/1997	US5684614 Optical space communication apparatus
11/01/1997	CA2204048A1 Electronic appliance equipped with optical communication function
10/1997
10/30/1997	WO1997040559A1 Optical filter, process for producing the same, and optical amplifier provided with the same
10/29/1997	EP0803996A1 Optical network having protection configuration
10/29/1997	EP0803947A2 Circuit in cmos technology for high speed driving of optical sources
10/29/1997	EP0803139A1 Optical q-switching to generate ultra short pulses in diode lasers
10/29/1997	CN1163520A Optical wavelength demultiplexer for video passive optical network
10/29/1997	CN1163413A Connector device
10/29/1997	CN1163410A Symmetrical optical cable and otpical fiber system for controlling dispersion
10/28/1997	US5682256 Communications system
10/28/1997	CA2108464C Communications network and method
10/23/1997	WO1997039547A1 Variable-gain and constant passband optical amplifier and system for automatic compensation for loss variations in an optical link comprising such an amplifier
10/23/1997	WO1997014226A3 Dispersion compensating circuitry for optical transmission systems using chirped bragg gratings
10/23/1997	CA2222268A1 Variable-gain and constant passband optical amplifier and system for automatic compensation for loss variations in an optical link comprising such an amplifier
10/22/1997	EP0802697A2 Optical transmission system
10/22/1997	EP0802645A1 Variable gain and constant passband optical amplifier and automatic loss variation compensation system in an optical link incorporating such an amplifier
10/22/1997	EP0802642A2 Optical transmission system using dispersion compensation
10/22/1997	EP0802641A1 Two optical amplifier mounting, especially for submarine telecommunications system repeater
10/22/1997	EP0802640A1 Amplification method and apparatus for channels extracted from a wavelength division multiplex
10/22/1997	EP0801854A1 Fiber-optic interface system
10/22/1997	EP0801827A1 A coupling arrangement between a multi-mode light source and an optical fiber through an intermediate optical fiber length
10/22/1997	EP0801726A1 Circuit for setting the operating point of an opto-electronic component
10/22/1997	CN1163028A Optical data-link between adjacent component assemblies
10/22/1997	CN1163025A Mobile radio-equipment plug connector
10/22/1997	CN1162856A Optical amplifiers
10/21/1997	US5680546 Passive optical network structure with high fault tolerance
10/21/1997	US5680491 Optical fiber dispersion compensation device for optical communication system
10/21/1997	US5680490 Comb splitting system and method for a multichannel optical fiber communication network
10/21/1997	US5680247 Optical amplification monitoring apparatus
10/21/1997	US5680246 Optical amplifier and optical transmission apparatus
10/21/1997	US5680241 Optical space communication
10/21/1997	US5680240 High capacity communications satellite
10/21/1997	US5680238 Hybrid SCM optical transmission apparatus
10/21/1997	US5680235 For transmitting information on wavelength channels
10/21/1997	US5680234 Passive optical network with bi-directional optical spectral slicing and loop-back
10/18/1997	CA2203028A1 Optical amplifier assembly to be used as a repeater in an underwater telecommunications system
10/15/1997	EP0801475A2 Optical amplifying apparatus and linear relay optical amplifier transmitter
10/15/1997	EP0801452A2 Method and device for generation of phase conjugate light and wavelength conversion, and system having the device
10/15/1997	CN1162206A Back-light-cut-off device with detection grade of transfer light, and method for detecting transfer light using said device
10/14/1997	US5678187 Method and apparatus for reducing interference in a radio communication link of a cellular communication system
10/14/1997	US5678175 Satellite system using equatorial and polar orbit relays
10/14/1997	US5677909 Apparatus for exchanging data between a central station and a plurality of wireless remote stations on a time divided commnication channel
10/14/1997	US5677786 Device for reducing the optical noise due to four wave mixing
10/14/1997	US5677781 Method and device for measuring a noise figure in optical amplifiers
10/14/1997	US5677780 Method of improving the electrical eye margin of an optical fiber transmission system having single mode and dispersion compensating fiber segments
10/14/1997	US5677779 Optical communications module
10/14/1997	US5677697 Millimeter wave arrays using Rotman lens and optical heterodyne
10/12/1997	CA2202543A1 Process and device for amplifying channels demapped from a wavelength multiplex
10/09/1997	WO1997037446A1 Chromatic dispersion compensating node
10/09/1997	WO1997037445A1 Point-to-multipoint wide area telecommunications network via atmospheric laser transmission through a remote optical router
10/09/1997	WO1997037444A1 Method of determining optical amplifier failures
10/08/1997	EP0800291A2 Optical add-drop device
10/08/1997	EP0800286A2 Switchable fiber optic device for fiber transmission system and components thereof
10/08/1997	EP0800099A2 Optical signal distributors
10/08/1997	EP0799537A1 Node in optical tdm network
10/08/1997	EP0799536A1 Optical add drop multiplex (oadm)
10/08/1997	EP0799432A1 Integrable fiberoptic coupler and resulting devices and systems
10/07/1997	US5675690 Dispersion-flattened single-mode optical waveguide with large effective mode surface area
10/07/1997	US5675679 Light branching and coupling device
10/07/1997	US5675676 Optical branching apparatus and transmission line switching method
10/07/1997	US5675675 For routing optical signals within different wavelength channels
10/07/1997	US5675432 Optical amplification apparatus
10/07/1997	US5675429 Optical communication transmission system
10/07/1997	US5675428 Optical communication apparatus
10/07/1997	US5675427 Electronic device remote control with sighting mechanism
10/07/1997	US5675150 Active IR intrusion detector
10/07/1997	CA2073994C Selection of transmission facilities using optical wavelength division multiplexing
10/02/1997	WO1997036403A1 Bitstream management
10/02/1997	WO1997036392A1 Combination of a star optical network and a passive optical network
10/02/1997	WO1997036389A1 Method and equipment for optical communication
10/02/1997	WO1997036220A2 Optical transmission of serial data
10/02/1997	DE19703694A1 Dispersion compensator for optical fibre transmission path
10/02/1997	CA2201453A1 Switchable fiber optic device for fiber transmission system and components thereof
10/01/1997	EP0798884A2 An optical data communication system
10/01/1997	EP0798883A2 Optical receiver with equalizer for polarization mode dispersion due to distortion and system with such a receiver
10/01/1997	EP0798882A2 Method and apparatus for monitoring and correcting individual wavelength channel parameters in a multi-channel wavelength division multiplexer system
10/01/1997	EP0798881A2 Stackable network modules using infrared communications
10/01/1997	EP0797760A1 Clip-on device for optical power meter
10/01/1997	EP0469143B1 Push-pull optical receiver
09/1997
09/30/1997	US5673395 Process for constructing computer network system of tenant intelligent building

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