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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11/23/1994 | EP0625834A1 Method and arrangement for arranging an interception-proof optical link |
11/23/1994 | EP0625295A1 Optical signal transmission network |
11/23/1994 | CN2183641Y Sound-control atomizing multi-function infrared telecontrol device |
11/23/1994 | CN1095487A Suppression of noise and distortion in fiber-optic systems |
11/22/1994 | US5367598 Interface chassis for fiber optic transport system |
11/22/1994 | US5367592 Connector for optical fibres |
11/22/1994 | US5367587 Optical amplifier |
11/22/1994 | US5367398 Optical atmospheric link system |
11/22/1994 | US5367397 Wavelength-stabilizing method and its associated circuitry for an optical communication system |
11/22/1994 | US5367396 Optical frequency marking method and different frequency channel communication network using it |
11/22/1994 | US5367395 Apparatus for detection and location of faults in two-way communication through single optical path |
11/22/1994 | US5367394 Test apparatus |
11/22/1994 | US5367156 Resonance-type optical receiver and receiving method for low-frequency signals |
11/22/1994 | CA2021801C Double active-fiber optical amplifier having a wide-band signal wavelength |
11/17/1994 | EP0624962A2 Optical module |
11/17/1994 | EP0602228A4 High bit rate infrared communication system for overcoming multipath. |
11/17/1994 | DE4315636A1 Wireless discussion and interpreter system |
11/15/1994 | US5365368 Efficient bi-directional optical fiber amplifier for missile guidance data link repeater |
11/15/1994 | US5365362 Ultra-high capacity non-soliton optical transmission using optical phase conjugation |
11/15/1994 | US5365361 Coherent optical multi-channel arrangement |
11/15/1994 | US5365358 Optical switching equipment for the through-connection of optical message cells |
11/10/1994 | DE4402166A1 Terminal station module (terminal unit module) for bidirectional optical signal transmission and method of its production |
11/10/1994 | DE4309422C1 Data transmission |
11/09/1994 | EP0624011A1 Dispersion compensation device |
11/09/1994 | EP0624010A1 An electrooptical line module for transmitting in level-1 synchronous digital hierachy with synchronizing unit |
11/09/1994 | EP0624009A1 Automatic offset control circuit for digital receiver |
11/09/1994 | EP0472709B1 Device for producing optical delays and application to an optical control system of a sweep aerial |
11/09/1994 | CN1094816A An optical transmission line and a method of forming thereof |
11/08/1994 | US5363230 Method of linearizing the transmission function of modulator |
11/08/1994 | US5363229 Optical bus transmission system |
11/08/1994 | US5363221 For a communication system |
11/08/1994 | US5363056 Circuit for linearization of amplified electronic signals |
11/03/1994 | DE4415176A1 Vorrichtung und Verfahren zur Dispersionskompensation in einem faseroptischen Übertragungssystem Apparatus and method for dispersion compensation in an optical fiber transmission system |
11/02/1994 | EP0622916A1 Optical soliton generator |
11/02/1994 | EP0622915A1 Technique utilizing a rotating waveplate for reducing polarization dependent hole-burning in an amplified optical transmission system |
11/02/1994 | EP0622914A1 Technique utilizing stress-induced birefringence for reducing polarization dependent hole-burning in an amplified optical transmission system |
11/02/1994 | EP0622913A1 Optical transmission apparatus with a directly modulated emitter and an optical filtering before the receiver |
11/02/1994 | EP0622912A1 Optical signal transmission network |
11/02/1994 | EP0622650A1 Narrow band mach-zehnder filter |
11/02/1994 | EP0622004A1 Optical processing in asynchronous transfer mode network |
11/02/1994 | CN1094552A An optical communications system for transmitting information signals having different wavelengths over a same optical fiber |
11/01/1994 | US5361319 Dispersion compensating devices and systems |
11/01/1994 | US5361270 Apparatus and method employing polarization modulation to reduce effects of polarization hole burning and/or polarization dependent loss |
11/01/1994 | US5361157 Bidirectional light transmission system and optical device therefor |
11/01/1994 | US5361156 Method and apparatus for predistortion |
11/01/1994 | US5361154 Method and apparatus for performing wavelength-tuning and clock-synchronization in a wavelength division multiplexing optical communication network |
10/30/1994 | CA2114082A1 Narrow band mach-zehnder filter |
10/28/1994 | CA2122208A1 Compensation device |
10/27/1994 | WO1994024790A1 Synchronous optical digital transmission system and method |
10/27/1994 | WO1994024781A1 Optical communications dispersion compensation system |
10/27/1994 | WO1994024780A1 Predistortion method and apparatus for laser linearization |
10/27/1994 | WO1994024779A1 Method and apparatus for receiving monitoring signal |
10/27/1994 | CA2160921A1 Optical communications dispersion compensation system |
10/27/1994 | CA2160886A1 Predistortion method and apparatus for laser linearization |
10/27/1994 | CA2160770A1 Synchronous optical digital transmission system and method |
10/26/1994 | EP0621700A2 Wavelength multiplexing network |
10/26/1994 | EP0621699A1 Optical transmission system with optical fibre amplifiers |
10/26/1994 | EP0458782B1 Star-shaped network for data communication between stations |
10/25/1994 | US5359678 Apparatus and method employing fast polarization modulation to reduce effects of polarization hole burning and/or polarization dependent loss |
10/25/1994 | US5359613 Tunable laser oscillator |
10/25/1994 | US5359450 Optical transmission system |
10/25/1994 | US5359449 Optical modulator for an optical transmitter |
10/25/1994 | US5359448 Infrared signal transmitter |
10/25/1994 | US5359447 Optical communication with vertical-cavity surface-emitting laser operating in multiple transverse modes |
10/25/1994 | US5359446 Wide-angle, high-speed, free-space optical communications system |
10/25/1994 | US5359412 Optical frequency discriminator using two mach-zehnder interferometer arrangement |
10/25/1994 | US5359348 Pointing device having improved automatic gain control and information reporting |
10/25/1994 | CA2037351C Optical transmitter |
10/19/1994 | EP0620694A2 Optical cross-connect system with space and wavelength division switching stages |
10/19/1994 | EP0620661A1 Distortion generating circuit |
10/19/1994 | EP0620660A1 Technique for reducing polarization dependent gain in an amplified optical transmission system |
10/19/1994 | EP0620659A1 Multipath optical transmission system controller |
10/19/1994 | EP0462102B1 A method for detecting external influence on an optical cable |
10/19/1994 | CN1093846A Fiber optic cable monhoring system |
10/18/1994 | US5357588 Opto-electronic transducer device for optical link termination equipment and application thereof to various types of optical link |
10/18/1994 | US5357364 Soliton transmission system having sliding-frequency guiding filters |
10/18/1994 | US5357363 Interconnections having improved signal-to-noise ratio |
10/18/1994 | US5357362 Optical telephone using optical modulator |
10/18/1994 | US5357360 Optical data network having adjustable delays for switching over to backup unit |
10/18/1994 | US5357249 Apparatus and method for high speed flexible multiplexing for fiber optic data transmissions |
10/18/1994 | CA2051020C Optical transmission network with frequency locking means |
10/18/1994 | CA2006125C Optical communication systems using fabry-perot cavities |
10/15/1994 | CA2120965A1 Distortion generating circuit |
10/13/1994 | WO1994023507A1 Generation of optical signals with rf components |
10/13/1994 | DE4311552A1 In-service monitoring of optical transmission devices |
10/12/1994 | EP0619669A2 Interface device for data transmission on a radio link |
10/12/1994 | EP0619658A2 Apparatus for extracting an optical clock and apparatus for demultiplexing a time-division multiplexed signal |
10/12/1994 | EP0619657A1 Optical circuit for measuring the reflection sensitivity of an optical transmission system |
10/12/1994 | EP0538277B1 Highly reliable optical data system |
10/12/1994 | CN1093504A Electric motor with frequency speed measuring electric generator |
10/11/1994 | US5355525 Method for operating a hand-held transmitter for controlling vehicle functions |
10/11/1994 | US5355401 Method and apparatus for providing telephony power through a coaxial cable network |
10/11/1994 | US5355381 Self-heterodyne optical fiber communications system |
10/11/1994 | US5355372 Threshold-based load balancing in ATM switches with parallel switch planes related applications |
10/11/1994 | US5355250 Fiber optical communication line with shut off control |
10/11/1994 | US5355243 Direct detecting of optical PSK signals |
10/11/1994 | US5355242 Receiver for binary coded wireless optical data |
10/11/1994 | US5355240 Optical communication link with correction of non-linear effects and optical signal processing method |
10/11/1994 | US5355239 Coherent detection transceiver |
10/11/1994 | US5355238 Method and apparatus for the monitoring and demarcation of synchronous optical networks |