| 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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| 10/12/1993 | US5253099 Reflective optical modulator |
| 10/12/1993 | US5253097 Demodulator and a polarization diversity receiver for coherent optical communication provided with the demodulator |
| 10/12/1993 | US5253096 Digital pulse optical transmitter and receiver for local area network applications |
| 10/12/1993 | US5253095 Full duplex communication system and method of using same |
| 10/12/1993 | US5253094 Optical interconnection network |
| 10/12/1993 | US5252930 Predistorter for linearization of electronic and optical signals |
| 10/12/1993 | US5252820 Photoelectric conversion circuit having a tuning circuit and changeover switcher |
| 10/12/1993 | CA2007773C High-speed modulator for the polarization of an optical carrier |
| 10/12/1993 | CA2006124C Distributed feedback laser for frequency modulation communication systems |
| 10/12/1993 | CA1323117C Optical subscriber network transmission system |
| 10/06/1993 | EP0564355A1 Photoreceiver for frequency-modulated optical signals |
| 10/06/1993 | EP0564349A1 Device for the reception of optical signals, in particular for vehicles |
| 10/06/1993 | EP0564167A2 Multiple polarization sensitive detection arrangement for fiber optic communications |
| 10/06/1993 | EP0564165A1 Ternary data communication using multiple polarizations |
| 10/06/1993 | EP0564075A1 Continuous phase FSK modulated optical transmission system with local osciallator control |
| 10/06/1993 | EP0564043A1 Optical hybrid |
| 10/06/1993 | EP0564042A1 Optical hybrid |
| 10/06/1993 | EP0563776A2 Signal detecting circuit apparatus |
| 10/06/1993 | EP0563524A1 Optical transmission system with optical fibre amplifiers and control of the emitter wavelength |
| 10/06/1993 | EP0563149A1 Optical communications system |
| 10/06/1993 | EP0563123A1 Optoelectric emitting and receiving device |
| 10/06/1993 | EP0563073A1 Optical mixing device |
| 10/06/1993 | EP0563067A1 Optical device. |
| 10/05/1993 | US5251319 Optical transmission apparatus for digital devices |
| 10/05/1993 | US5251061 Telecommunications system having fiber optical amplifiers for transmitting signals over long distances |
| 10/05/1993 | US5251054 LAN electro-optical interface |
| 10/05/1993 | US5251053 Radio communication system |
| 10/05/1993 | US5251001 Reflected optical power fiber test system |
| 10/05/1993 | US5250816 Multichip system and method of supplying clock signal therefor |
| 10/05/1993 | US5250800 Photo-electric integrated circuit device with opposite phase amplifiers into logic circuitry |
| 10/05/1993 | CA2038887C Amplifier power supply for optical fibres |
| 10/05/1993 | CA2027051C Optical repeater having phase inversion circuit |
| 10/05/1993 | CA2015211C Optical wavelength demultiplexer |
| 09/30/1993 | WO1993019540A1 Process for allotting transmission time slots in a passive optical network |
| 09/30/1993 | WO1993019539A1 Optical receiver |
| 09/30/1993 | DE4209357A1 Optical signal transmission system - uses branch couplers in last stage of distributor having additional inputs for connection of optical time domain reflection device |
| 09/30/1993 | CA2128894A1 Optical receiver |
| 09/29/1993 | EP0562925A1 Semi-conductor waveguide photoreceiver with multiple quantum wells for polarisation diversity communications systems |
| 09/29/1993 | EP0562667A1 Optical amplifier with improved linearity |
| 09/29/1993 | EP0562518A2 An optical apparatus and a method using the apparatus, which utilizes the occurrence of a change in a both-end voltage of an amplifying region |
| 09/29/1993 | EP0562514A1 Optical receiver of direct detection type |
| 09/29/1993 | EP0561918A1 Optical communications system |
| 09/28/1993 | US5249194 Laser diode protective circuit for an optical transmission apparatus |
| 09/27/1993 | CA2132854A1 Process for allotting transmission time slots in a passive optical network |
| 09/24/1993 | CA2092167A1 Device for transmitting optical signals |
| 09/23/1993 | DE4207660A1 Transceiver fitted in rigid, enclosed cable duct - extending through duct wall at angle with optical cable terminals within duct and cable lead plug socket on outside of duct |
| 09/22/1993 | EP0561706A1 Emitter/receiver with coherent detection |
| 09/22/1993 | EP0561692A1 Optical telecommunication method |
| 09/22/1993 | EP0553193A4 Quasi-soliton communication system |
| 09/21/1993 | US5247596 Fiber-optics connected optoelectronic device mounted on a substrate and method of manufacturing it |
| 09/21/1993 | US5247580 Voice-operated remote control system |
| 09/21/1993 | US5247382 Polarization switching light source, optical receiver, and coherent optical transmission system |
| 09/21/1993 | US5247381 Apparatus and method for automatically reconfiguring, free space local area network systems |
| 09/21/1993 | US5247380 Infrared communications network |
| 09/21/1993 | US5247211 Light-receiving circuit |
| 09/21/1993 | US5246698 Hylans and derivatives, polysaccharides, proteins, polyvinylpyrrolidone and polyoxyethylene glycol |
| 09/21/1993 | CA1322287C Optical distributor |
| 09/19/1993 | CA2091820A1 Optical telecommunication method |
| 09/16/1993 | DE4305418A1 Optical transmission equipment for non-return-to-zero modulator - incorporates laser diode driven by superimposed currents corresp. to modulating signal, DC bias voltage and smaller clock sine-wave. |
| 09/16/1993 | DE4207631A1 Wireless infrared transmission between telephone appts. and handset - transmitting in opposite directions during non-consecutive quarter time frames sepd. by empty or signalling slots. |
| 09/15/1993 | EP0560659A1 Process and apparatus for the optical transmission of a multiplex of electric carriers |
| 09/15/1993 | EP0560426A1 Method with device for detecting reflections |
| 09/15/1993 | EP0560412A2 Arrangement of optical-integrated spectrometer and method for making the same |
| 09/15/1993 | EP0560315A2 Free space optical communication system |
| 09/15/1993 | EP0559659A1 Passive optical network |
| 09/15/1993 | CN2142245Y Electronic "protocol girl" |
| 09/14/1993 | US5245681 Rapidly reconfigurable wavelength multiplexing device |
| 09/14/1993 | US5245461 Analog optical FM receiver |
| 09/14/1993 | US5245460 Infrared network entry permission method and apparatus |
| 09/14/1993 | US5245401 System for locating fresnel reflections along an optical fiber |
| 09/09/1993 | DE4207036A1 Optical signal transmission path for aircraft control - conveys pulse-time modulated optical counterpart of bipolar electric pulse train between TTL-level data terminals |
| 09/08/1993 | EP0559406A1 Remote sensory unit and driver |
| 09/08/1993 | EP0559356A1 Optical repeaters |
| 09/08/1993 | EP0558948A1 An optical semiconductor apparatus, a method of driving the same and an optical transmission system using the same |
| 09/08/1993 | EP0558812A2 Base station and portable telephone linked by infrared light |
| 09/08/1993 | EP0558561A1 Test apparatus |
| 09/08/1993 | EP0558558A1 An optical network. |
| 09/08/1993 | EP0533843A4 Fiber optics system |
| 09/07/1993 | US5243613 Method and apparatus to compensate for distortion in optical transmission systems |
| 09/07/1993 | US5243610 Optical fiber dispersion-compensating device |
| 09/07/1993 | US5243609 Laser with longitudinal mode selection |
| 09/07/1993 | US5243608 Optical transmission process by wavelength shifting and corresponding system |
| 09/07/1993 | US5243456 Semiconductor device |
| 09/07/1993 | US5241791 Edge tool sharpening apparatus |
| 09/07/1993 | CA1322038C Device for optical heterodyne detection and integrated optical component suitable for use in such a device |
| 09/07/1993 | CA1321900C Method of coated fiber identification in optical transmission network |
| 09/01/1993 | EP0558400A1 Digital information transmission system by means of an optical link using repeaters with optical amplifiers |
| 09/01/1993 | EP0557959A1 Modulation/demodulation apparatus and information processing apparatus |
| 09/01/1993 | EP0557341A1 Optical clock recovery. |
| 08/31/1993 | US5241610 Optical switching in a fiber communication system and method using same |
| 08/31/1993 | US5241552 Compensated laser structure for analog communication applications |
| 08/31/1993 | US5241414 Fault tolerant optical amplifier arrangement |
| 08/31/1993 | US5241410 Enhanced infrared-connected telephone system |
| 08/29/1993 | CA2090292A1 System for transmitting digital informations over an optical amplifier repeater optical link |
| 08/25/1993 | EP0556974A2 Optical pulse generator |
| 08/25/1993 | EP0556951A1 Optical limiting amplifier |
| 08/25/1993 | EP0556260A1 Optical memory |
| 08/25/1993 | CN2141152Y Infrared remote-control device for indoor multiple electrical equipment |
| 08/25/1993 | CN1021929C Apparatus and method for amplifying optical signals |
| 08/24/1993 | US5239410 Method and apparatus for light amplification exhibiting a flat gain spectrum |