| 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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| 03/14/1995 | US5398129 Passive optical telecommunication system for narrow band and broadband integrated services digital networks |
| 03/14/1995 | US5398008 Circuit arrangement for amplitude-modulating the drive signal of a laser |
| 03/14/1995 | US5397889 Guided-wave photoreceptor based on quantum wells made of semiconductor materials, particularly for coherent communications system with polarization diversity |
| 03/11/1995 | CA2122382A1 Polarization-insensitive optical four-photon mixer |
| 03/09/1995 | DE4328252A1 Device for the wireless transmission of digital data, particularly audio data, with the aid of infrared light on headphones |
| 03/08/1995 | EP0642237A1 Signal compression circuit and light transmitter |
| 03/08/1995 | EP0642236A2 Free space optical transmission system |
| 03/08/1995 | EP0642235A2 Method for the determination and evaluation of an optical signal and datat recording apparatus |
| 03/08/1995 | EP0641474A1 Pointing device having improved automatic gain control and information reporting |
| 03/08/1995 | CN2191500Y Remote-starter with micro-power consumption |
| 03/08/1995 | CA2130421A1 Optical demultiplexer for optical/rf signals |
| 03/07/1995 | US5396570 Optical device for beam splitting, mixing and recombination functions |
| 03/07/1995 | US5396569 Optical line monitoring method and an apparatus permitting simultaneous line monitoring and information communication |
| 03/07/1995 | US5396361 Frequency separation stabilization method for optical heterodyne or optical homodyne communication |
| 03/07/1995 | US5396358 Optical tranmsission system |
| 03/07/1995 | US5396357 Fault tolerant optical cross-channel data link |
| 03/07/1995 | US5396059 Digital processor-controlled arrangement for monitoring and modifying system operating parameters |
| 03/02/1995 | DE4430821A1 Optical communications device |
| 03/02/1995 | DE4428350A1 Monitoring of optical broadband connection lines up to a passive interface |
| 03/02/1995 | DE4421616A1 Device for transmitting and receiving circulating light signals |
| 03/02/1995 | DE4328486A1 Monitoring of single-fibre optical connection lines up to a passive interface |
| 03/02/1995 | DE4328484A1 Monitoring of single-fibre optical connection lines up to a passive interface |
| 03/01/1995 | EP0641108A2 Telecommunications switching element |
| 03/01/1995 | EP0641095A1 Method and apparatus for optical communication |
| 03/01/1995 | EP0641094A1 Electro-optical communication station with built-in test means |
| 03/01/1995 | EP0640854A2 Polarisation diversity section for coherent optical receiver |
| 02/28/1995 | US5394265 In-line two-stage erbium doped fiber amplifier system with in-band telemetry channel |
| 02/28/1995 | US5394261 Optical communication system and transmitting apparatus for use therein |
| 02/28/1995 | US5394260 Optical pulse generator |
| 02/28/1995 | US5394259 Modulation/demodulation apparatus and information processing apparatus |
| 02/28/1995 | US5394108 Non-linear burst mode data receiver |
| 02/28/1995 | US5393989 Self biased electrically isolated remote switch powered by an optical or acoustic coupling |
| 02/28/1995 | CA2021516C Optical sub-carrier multiplex television transmission system using a linear laser diode |
| 02/23/1995 | WO1995005710A1 Method and apparatus for the monitoring and demarcation of synchronous optical network |
| 02/23/1995 | WO1995005709A1 Improved ir/rf radio transceiver |
| 02/23/1995 | DE4427973A1 Monitoring of optical broadband connection lines up to a passive interface |
| 02/22/1995 | EP0639900A1 Improved apparatus and method employing polarization modulation to reduce effects of polarization hole burning and/or polarization dependent loss |
| 02/22/1995 | EP0639762A1 Fiber identifier |
| 02/22/1995 | EP0458813B1 Two-way optical communications system |
| 02/22/1995 | CN1099208A Reliable message communication system Apparatus for adapting an electrical communications port to an optical communications port |
| 02/21/1995 | US5392377 Optical transmission system for transmission of signals with a continuous application of the signals during transmission |
| 02/21/1995 | US5392370 Multi-channel fiber optic rotatable interconnection system |
| 02/21/1995 | US5392154 Self-regulating multiwavelength optical amplifier module for scalable lightwave communications systems |
| 02/21/1995 | US5392148 Optical space communicating apparatus |
| 02/21/1995 | US5392147 Optical trunk transmission system and an optical repeater circuit |
| 02/21/1995 | US5392146 Optical rotary control device |
| 02/16/1995 | WO1995004952A1 Optical system |
| 02/15/1995 | EP0639002A1 Pulse shaping circuit using an analog delay line for fiber-optic systems |
| 02/15/1995 | EP0638837A1 Device for extraction and re-insertion of an optical carrier in optical communications networks |
| 02/15/1995 | EP0638836A1 Wavelength selective optical switch |
| 02/14/1995 | US5390185 Transmission system for a combination of a main signal and an auxiliary signal |
| 02/14/1995 | US5390042 High sensitivity optical receiver suitable for single optical signal with high speed modulation |
| 02/14/1995 | US5390040 Optical transceiver for free-space communication links |
| 02/14/1995 | US5390039 Optical network for detecting collisions based on the reflection of a transmitting signal |
| 02/14/1995 | US5390038 Half-duplex communications interface |
| 02/14/1995 | US5389778 Photoelectric conversion circuit having a tuning circuit and changeover switches |
| 02/14/1995 | US5389776 FET-based optical receiver |
| 02/14/1995 | CA2047022C Direct modulation phase shift keying (dm-psk) transmission system |
| 02/14/1995 | CA2033475C Passive tap network |
| 02/14/1995 | CA2031966C Interference suppression in optical communication systems |
| 02/14/1995 | CA2024345C Optical amplifier and optical communication system provided with the optical amplifier |
| 02/14/1995 | CA2005997C Photonic local/metropolitan area network |
| 02/09/1995 | DE4326277A1 Method and circuit arrangement for detecting the bit error rate in a digital optical receiver |
| 02/09/1995 | DE4323825A1 Transceiver combination for optical data communications using Rayleigh backscatter for laser diode control |
| 02/08/1995 | EP0637880A1 Optical successive modulation-multiplexing for fiber optical network |
| 02/08/1995 | EP0637879A1 Hitless switching apparatus and method for optical network |
| 02/08/1995 | EP0637860A1 Fiber optic amplifier with device for monitoring the pump and input power |
| 02/08/1995 | EP0637405A1 Device for generating optical signals. |
| 02/08/1995 | CN1098506A Narrow band mach-zehnder filter |
| 02/07/1995 | US5388117 Polarization insensitive semiconductor optical amplifier and an optical communication system using the same |
| 02/07/1995 | US5388088 Multiple polarization sensitive detection arrangement for fiber optic communications |
| 02/07/1995 | US5387994 Communications adapter for converting wire-based communication to wireless communication |
| 02/07/1995 | US5387992 Optical frequency multiplex carrier control system |
| 02/02/1995 | WO1995003653A1 Dispersion compensation in an optical communications system |
| 02/02/1995 | DE4325808A1 Sensor and transducer for magnetic field to light |
| 02/01/1995 | EP0637182A2 A self-routing optical communication node using Sagnac gates |
| 02/01/1995 | EP0637148A1 Wavelength division multiplex optical transmission system using optical amplification |
| 02/01/1995 | EP0637147A1 Tunable optical filter tuning device in particular for use at reception in an optical transmission system |
| 02/01/1995 | EP0637146A1 Coherent optical communication system |
| 02/01/1995 | EP0637107A1 Optical fibre amplifier as wavelength converter |
| 02/01/1995 | EP0636891A2 Phase difference detecting method, circuit and apparatus |
| 02/01/1995 | EP0636872A1 Automatic masking system for an ODTR. |
| 01/31/1995 | US5386311 Clock recovery |
| 01/28/1995 | CA2128826A1 Electro-optical communication station with built-in test means |
| 01/26/1995 | WO1995002933A1 Path integrity proving in optical communications systems |
| 01/26/1995 | DE4323823A1 Combined transmitter and receiver for optical data transmission with a defined reflection point on a coupler |
| 01/25/1995 | EP0635950A1 Branching unit for telecommunications optical cable systems |
| 01/24/1995 | US5384652 Infrared communication repeater architecture |
| 01/24/1995 | US5384651 Optical transmission system |
| 01/24/1995 | US5384471 Opto-electronic component with narrow aperture angle |
| 01/20/1995 | CA2100839A1 Optical fiber feed system for a phased array antenna |
| 01/19/1995 | DE4422977A1 Light frequency generator |
| 01/19/1995 | DE4422962A1 Device for light frequency regulation |
| 01/19/1995 | DE4323826A1 Optoelectronic coupling circuit with change-over switch |
| 01/19/1995 | DE4323824A1 Combined transmitter and receiver for optical data transmission with a connection via a common plug-in connection |
| 01/18/1995 | EP0634844A1 Non-reciprocal optical diplexer |
| 01/18/1995 | EP0634025A1 Improvements to optical phase shifting |
| 01/18/1995 | EP0532717A4 Multimedia high speed network |
| 01/17/1995 | US5383210 Optical phase locked loop circuit |
| 01/17/1995 | US5383208 Device and method to control the output power of laser diodes |