| 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) |
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| 01/15/1997 | EP0654193B1 Process and circuitry for electric compensation of signal distortion caused by laser chirp and fibre dispersion |
| 01/15/1997 | CA2181120A1 Device for reducing the optical noise due to four wave mixing |
| 01/14/1997 | US5594583 Apparatus for re-shaping a train of light pulses, and apparatus for recovering a periodic signal synchronized on a train of modulated light pulses |
| 01/14/1997 | US5594581 Low loss optical transmission/monitoring path selection in redundant equipment terminals |
| 01/14/1997 | US5594580 For propagating a beam of light through free space |
| 01/14/1997 | US5594579 Radio permitting information transfer between radio frequency shielded sub-systems |
| 01/14/1997 | US5594578 Optical communications system including doped optical fiber filter |
| 01/14/1997 | US5594577 Optical receiver and optical transmission system using the receiver |
| 01/14/1997 | US5594576 In an optical fiber communications network |
| 01/09/1997 | WO1996036139A3 Single fiber transceiver and network |
| 01/08/1997 | EP0752795A2 Link reservation in communications networks |
| 01/08/1997 | EP0752602A2 Light branching and coupling device |
| 01/08/1997 | CN1139848A Infrared space communication system capable of reducing process quantities of data communication device during communication |
| 01/08/1997 | CN1139847A Infrared two-direction speech sound transmission system |
| 01/08/1997 | CN1139644A Elevator equipment |
| 01/07/1997 | US5592577 Optical transmission line enabling definition of a fault point and a method for defining the fault point |
| 01/07/1997 | US5592472 High performance path allocation system and method for a fiber optic switch for a fiber optic network |
| 01/07/1997 | US5592322 Laser beam modulation apparatus |
| 01/07/1997 | US5592321 Apparatus for selective routing of information signals |
| 01/07/1997 | US5592320 Satellite communications system |
| 01/07/1997 | US5592284 Single connection automated bi-directional fiberoptic attenuation measurement system |
| 01/07/1997 | US5592160 Method and apparatus for transmission code decoding and encoding |
| 01/07/1997 | US5592155 Remote control infrared receiver with light detector and pre-amplifier |
| 01/07/1997 | US5591966 Optical device |
| 01/07/1997 | US5591962 Synchronous signal detection apparatus with a photoconductive photodetector |
| 01/07/1997 | US5590713 Remote control for well tool |
| 01/03/1997 | WO1996034459A3 An optical receiver, a tuner, and an optical network |
| 01/02/1997 | EP0751638A2 Information transmission device with optical information distributor |
| 01/02/1997 | EP0751637A2 Wideband optical signal amplifying circuit |
| 01/02/1997 | EP0751636A2 Optoelectronic integrated circuit |
| 01/02/1997 | EP0751635A2 Supervisory apparatus for wavelength-division-multiplexed optical data communications |
| 01/02/1997 | EP0751479A2 Chip card |
| 01/02/1997 | EP0543994B1 Plug-type connector for beam waveguides |
| 01/02/1997 | DE19627333A1 Wavelength converter for laser light for conveying information by light signals |
| 01/02/1997 | DE19625490A1 Optic fibre test method for optical communications networks |
| 01/02/1997 | DE19549384A1 Optical switch with optical transmission line |
| 01/01/1997 | CN2244277Y Stereophonic infrared transmission device |
| 01/01/1997 | CN1139326A Method of operating telecommunication network as well as network-access exchange and transit exchange |
| 12/31/1996 | US5590145 Light-emitting apparatus capable of selecting polarization direction, optical communication system, and polarization modulation control method |
| 12/31/1996 | US5589975 Optical amplification system |
| 12/31/1996 | US5589970 Locking apparatus for optical frequency multiplex system |
| 12/31/1996 | US5589969 Wavelength division multiplexed optical fiber transmission equipment |
| 12/31/1996 | US5589968 Mode-locked diode laser based optical communication system |
| 12/31/1996 | US5589967 Method and device for transmitting and switching packets in an optical network |
| 12/31/1996 | US5589929 RF signal train generator and interferoceivers |
| 12/31/1996 | US5589683 Optical receiver apparatus for quickly detecting loss of a composite optical signal input employing a loss-of-clock detector |
| 12/31/1996 | CA2055954C Distance-measuring method and transmitting and receiving station for carrying out the same |
| 12/31/1996 | CA2035530C Optical signal connection device for units to be inserted in a rack |
| 12/27/1996 | EP0750206A2 Optical switch |
| 12/27/1996 | EP0749645A1 An amplifier circuit |
| 12/25/1996 | CN2243746Y Audio frequency infrared transmitter |
| 12/25/1996 | CN1138910A IC communication card |
| 12/25/1996 | CN1138702A Increased capacity optical waveguide |
| 12/24/1996 | US5588017 Optoelectronic semiconductor device, system for optical glass fibre communication having such a device, semiconductor diode laser for use in such a device, and method of manufacturing such a device |
| 12/24/1996 | US5587996 Method of radio-line relief and radio equipment in SDH network |
| 12/24/1996 | US5587830 High capacity optical fiber network |
| 12/24/1996 | US5587827 Apparatus for compensating chromatic and polarization dispersion and frequency chirp in fiber optics and for pulse compression in laser systems |
| 12/24/1996 | CA2071861C Lossless optical component |
| 12/24/1996 | CA2061095C Fiber-optic amplifier |
| 12/19/1996 | WO1996041435A1 Method and apparatus for the monitoring and demarcation of synchronous digital hierarchy networks |
| 12/19/1996 | WO1996041431A1 Optically cross-linked communication system (occs) |
| 12/19/1996 | WO1996041426A1 Modular unit headset |
| 12/19/1996 | WO1996041221A1 Solitons in dispersion flattened waveguide |
| 12/19/1996 | CA2216724A1 Solitons in dispersion flattened waveguide |
| 12/18/1996 | EP0749257A1 High capacity switch matrix |
| 12/18/1996 | EP0749225A2 Communication system message acknowledgement |
| 12/18/1996 | EP0749224A2 Multi-channel optical fiber communication system |
| 12/18/1996 | EP0749219A2 Infrared spatial communication system capable of reducing a processing amount of data communication devices during communication |
| 12/18/1996 | EP0748542A1 Method and apparatus for optical wireless communication |
| 12/17/1996 | US5586208 Analog photodiode module |
| 12/17/1996 | US5585954 Apparatus for measuring optical transmission characteristic |
| 12/17/1996 | US5585953 IR/RF radio transceiver and method |
| 12/17/1996 | US5585952 Communication apparatus automatically selecting one of two operation modes |
| 12/17/1996 | US5585789 Data communication apparatus |
| 12/17/1996 | US5585623 Method and apparatus for detecting a light signal in the presence of noise |
| 12/17/1996 | US5585619 Wireless input system for computer using elevated four-division photodetector |
| 12/17/1996 | CA2082849C Low noise, optical amplifier having post-amplification loss element |
| 12/17/1996 | CA2010990C Network topology for reduced blocking and photonic system implementation thereof |
| 12/17/1996 | CA2008903C Dual rail dilated switching networks |
| 12/15/1996 | CA2179112A1 Large capacity switching matrix |
| 12/12/1996 | DE19520063A1 Optical power and information-transmission device for vehicle steering wheel |
| 12/12/1996 | DE19519942A1 Monolithic integration of pin-photodiode and PJBT e.g. for optical telecomms. engineering |
| 12/11/1996 | EP0748076A2 WDM network system for performing bidirectional transmission, and node device and transmission control method used in the system |
| 12/11/1996 | EP0748070A2 Method and system for reducing chirp in an optical communication system |
| 12/11/1996 | EP0748069A2 Method and system for reducing chirp in optical communication systems using external modulation |
| 12/11/1996 | EP0748068A2 A light signal reception apparatus having an improved light surge eliminating function |
| 12/11/1996 | EP0748067A1 Infrared repeater |
| 12/11/1996 | EP0747869A1 Controlling apparatus for remote control operation |
| 12/11/1996 | CN1137847A 光通信系统 The optical communication system |
| 12/10/1996 | US5583959 Optical pulse compression device |
| 12/10/1996 | US5583958 Composite optical device |
| 12/10/1996 | US5583912 Wireless - wireline communication selection mechanism resident in craftsperson's portable test and communications device |
| 12/10/1996 | US5583689 Filter with preselected attenuation/wavelength characteristic |
| 12/05/1996 | DE19621794A1 Bidirectional optically powered signal transmission device |
| 12/05/1996 | DE19518295C1 Arrangement for optical amplification |
| 12/04/1996 | EP0746070A1 Method and device to combine optical signals |
| 12/04/1996 | EP0746067A1 Variable coherence light source |
| 12/04/1996 | EP0745293A1 Optical time domain reflectometry |
| 12/04/1996 | EP0576532B1 Information system |
| 12/04/1996 | CN2241951Y Interface equipment for optical fibre telephone exchange line |