| 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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| 10/11/1994 | US5354993 Optical communication link for medical imaging gantry having continuous line of sight communications between transmitters and receivers |
| 10/11/1994 | CA2001635C Analogic digital optoelectromagnetic counting system for fluids |
| 10/10/1994 | CA2120790A1 Optical module |
| 10/06/1994 | DE4405461C1 Calibration of TDMA systems including a passive optical network |
| 10/06/1994 | DE4310254A1 Optical reduction of non-linear optical amplitude distortion |
| 10/05/1994 | EP0618698A1 Optical means for clock recovery of a coded signal |
| 10/05/1994 | EP0618692A1 Passive optical telecommunicationssystem |
| 10/05/1994 | EP0618691A1 Device for evaluation of the transmission quality of an optical amplifier equipment |
| 10/05/1994 | EP0618690A1 Digital infrared communications system with edge detection |
| 10/05/1994 | EP0618689A1 Optical frequency acquisition apparatus for optical coherent communication system |
| 10/05/1994 | EP0618650A2 Fiber optic amplifier with device for monitoring the input power |
| 10/05/1994 | EP0618649A2 Fiber optic amplifier |
| 10/05/1994 | EP0617880A1 Printed circuit board apparatus with optical switching |
| 10/05/1994 | EP0617876A1 Fibre optic telephone loop network. |
| 10/05/1994 | EP0617868A1 Passive optical network structure with high fault tolerance. |
| 10/05/1994 | EP0617866A1 Apparatus and method for formatting variable length data packets for a transmission network |
| 10/05/1994 | EP0617852A1 Apparatus and method for controlling an extinction ratio of a laser diode over temperature |
| 10/04/1994 | US5353147 Identification of transmission characteristic |
| 10/04/1994 | US5353146 Optical signal regenerator and optical communications system incorporating same |
| 10/04/1994 | US5353145 Optical distributor |
| 10/04/1994 | US5353143 Optical receiver |
| 10/04/1994 | US5353114 Opto-electronic interferometic logic |
| 10/04/1994 | US5353110 Method and apparatus for carrying out optical time domain reflectometry using weighing techniques |
| 10/04/1994 | CA2060237C Network control arrangement |
| 10/04/1994 | CA2008675C Wavelength-division switching system for optical frequency-shift keying signals |
| 10/01/1994 | CA2120116A1 Passive optical telecommunication system |
| 10/01/1994 | CA2119838A1 Fiber-optic amplifier with a device for monitoring the input power |
| 09/29/1994 | WO1994022242A1 Infrared remote control device for a personal digital assistant |
| 09/29/1994 | WO1994022241A1 A method and apparatus for inducing a temporary localised transmission loss in a telecommunications cable |
| 09/29/1994 | WO1994022187A1 A laser |
| 09/29/1994 | WO1994021997A1 Optical responder |
| 09/29/1994 | DE4410741A1 Connecting device for an audio system in a car |
| 09/29/1994 | DE4402422A1 Integrated optical semiconductor arrangement and its production method |
| 09/29/1994 | CA2158947A1 Infrared remote control device for a personal digital assistant |
| 09/29/1994 | CA2157517A1 A method and apparatus for inducing a temporary localised transmission loss in a telecommunications cable |
| 09/28/1994 | EP0617527A1 Transmission systems incorporating optical amplifiers |
| 09/28/1994 | EP0617526A1 Coherent optical transceiver with frequency stabilisation |
| 09/28/1994 | EP0617525A1 Light path switching system |
| 09/28/1994 | EP0617500A1 Wireless data transmission device |
| 09/28/1994 | EP0616705A1 Time delay beam formation |
| 09/28/1994 | CN2178405Y Speech communication device for photoelectric range finder |
| 09/27/1994 | US5351325 Narrow band Mach-Zehnder filter |
| 09/27/1994 | US5351318 Fiber optic communication system and fiber optic modulator |
| 09/27/1994 | US5351149 ASK optical transmitter |
| 09/27/1994 | US5351148 Optical transmission system |
| 09/27/1994 | US5351146 All-optical network architecture |
| 09/27/1994 | US5350913 Light pulse intensity regenerator, light tranforming repeater, pre-amplifier for light signal, light intensity change measuring apparatus, and stabilized light source |
| 09/27/1994 | CA2023711C Local area network architecture |
| 09/22/1994 | DE4325426A1 Method and device for transmitting information from space |
| 09/22/1994 | DE4308554A1 Coupling arrangement for two-way optical communication using double-refracting prisms |
| 09/22/1994 | DE4308553A1 Coupling arrangement for two-way optical communication |
| 09/22/1994 | DE4308321A1 Device for broadband links between circuit carriers |
| 09/21/1994 | EP0616443A2 Telecommunication system with ranging |
| 09/21/1994 | EP0616442A1 Emitter/receiver circuit in a passive optical telecommunication system |
| 09/21/1994 | EP0616441A1 System for reestablishing the quality of transmission of a link including amplifiers in case of failure of one or several of these amplifiers |
| 09/21/1994 | EP0616440A1 Optical communication system with multiple fiber monitoring |
| 09/21/1994 | EP0616439A2 Apparatus for simultaneously detecting a plurality of discrete laser modulation frequencies |
| 09/21/1994 | EP0527966B1 A multilevel coherent optical system |
| 09/20/1994 | US5349598 Optical semiconductor apparatus, a method of driving the same and an optical transmission system using the same |
| 09/20/1994 | US5349593 Optical regenerator using bistable fabry-perot interferometer |
| 09/20/1994 | US5349465 Optical democulator |
| 09/20/1994 | US5349463 Optical radio repeater with signal quality detection |
| 09/20/1994 | US5349462 Single send-receive optical head for transmission and reception of data by optical system, and associated switching circuit |
| 09/20/1994 | US5349461 Simultaneous bidirectional digital data transmission over a single line at a common frequency on an optical waveguide |
| 09/20/1994 | US5349459 Secure remote control system |
| 09/20/1994 | US5349458 Method for detecting external influence on an optical cable |
| 09/20/1994 | US5349457 Fiber optic telephone loop network |
| 09/20/1994 | US5349176 Device for acquiring data from a light beam and a communication system including the device with dual sensor fastened on a stiff frame |
| 09/20/1994 | CA2119297A1 Transmission/reception circuit in a passive optical telecommunication system |
| 09/20/1994 | CA2030229C Wavelength division switching system with reduced optical components using optical switches |
| 09/16/1994 | CA2118849A1 Telecommunication system and a main station and a substation for use in such a system |
| 09/15/1994 | WO1994021060A1 An optoelectric transducer |
| 09/15/1994 | WO1994021059A1 Fibre optic link with polarisation control |
| 09/14/1994 | EP0615358A1 Optical network based on remote interrogation of terminal equipment |
| 09/14/1994 | EP0615357A1 High sensitivity optical receiver suitable for single optical signal with high speed modulation |
| 09/14/1994 | EP0615356A1 Technique for reducing nonlinear signal degradation and fading in a long optical transmission system |
| 09/14/1994 | EP0615321A2 Article comprising a wavelength-stabilized semiconductor laser |
| 09/14/1994 | EP0615022A2 Device for optical data transmission |
| 09/13/1994 | US5347605 Optoelectronic component having spherical adjusting means |
| 09/13/1994 | US5347601 Integrated optical receiver/transmitter |
| 09/13/1994 | US5347535 CDMA communication system |
| 09/13/1994 | US5347529 Method for generating a distortion-free, frequency-modulated optical signal and apparatus for the implementation of such a method |
| 09/13/1994 | US5347525 Generation of multiple stabilized frequency references using a mode-coupled laser |
| 09/13/1994 | US5347392 Electric-optic resonant phase modulator |
| 09/13/1994 | US5347389 Push-pull optical receiver with cascode amplifiers |
| 09/13/1994 | US5347388 Push-pull optical receiver having gain control |
| 09/13/1994 | US5347387 Self-aligning optical transceiver |
| 09/13/1994 | US5347385 Frequency-multiplex optical transmission apparatus |
| 09/13/1994 | US5347384 Fiber optic distribution of image data |
| 09/09/1994 | CA2112175A1 Technique for reducing nonlinear signal degradation and fading in a long optical transmission system |
| 09/08/1994 | DE4307155A1 Distributor for transmitting optical signals |
| 09/07/1994 | EP0614291A1 All-optical network architecture |
| 09/07/1994 | EP0613597A1 Shunt-expansive predistortion linearizers for optical analog transmitters |
| 09/07/1994 | CN2176620Y 红外无线耳机 Infrared wireless headphones |
| 09/06/1994 | US5345455 Optical wavelength converter control method and device |
| 09/06/1994 | US5345332 Fiber amplifier cascade for multiwavelength lightwave communications system |
| 09/06/1994 | US5345331 Technique for reducing polarization dependent gain in an amplified optical transmission system |
| 09/06/1994 | US5345327 Digital infrared communications system with edge detection |
| 09/06/1994 | US5345230 Method and apparatus for optical transceiver testing |
| 09/01/1994 | DE4306032A1 Circuit arrangement for electro-optical changeover to standby during operation in communications systems |