| 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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| 08/08/1989 | US4856091 Radiation-coupled daisy chain |
| 08/08/1989 | US4856090 Light communication equipment |
| 08/08/1989 | US4854662 Optical data signal apparatus for optically coupling a plurality of data channels between stationary and rotating systems |
| 08/08/1989 | CA1258292A1 Optical communications systems and process for signal amplification using stimulated brillouis scattering(sbs) and laser utilized in the system |
| 08/03/1989 | DE3908786A1 Method for data transfer between boards of an electronic circuit |
| 08/03/1989 | DE3804592C1 Remote read-out system for consumption meter (electricity meter, supply meter) |
| 08/02/1989 | EP0325815A1 Method and device for compensating at the receiving side the phase noise of a transmitting laser and of a local laser in a coherent optical communication system with heterodyne detection |
| 08/02/1989 | EP0215804B1 Muldex for optical transmission systems |
| 07/27/1989 | WO1989006893A1 Current summed optoelectronic crossbar switch |
| 07/27/1989 | WO1989006885A1 Data bit detector for fiber optic system |
| 07/27/1989 | WO1989006883A1 Alternating sequential half duplex communication system |
| 07/26/1989 | EP0325454A2 High voltage generating circuit for light reception |
| 07/26/1989 | EP0325429A2 Multiple access communication system |
| 07/26/1989 | EP0325374A2 Optical communication by injection-locking to a signal which modulates an optical carrier |
| 07/26/1989 | EP0325366A2 Multi-channel optical communication system |
| 07/26/1989 | EP0325364A2 Two-dimensional color detector |
| 07/26/1989 | EP0325363A2 Spectral conditioner |
| 07/26/1989 | EP0325362A2 Spectral combiner |
| 07/26/1989 | EP0325361A2 Color projection system |
| 07/26/1989 | EP0325281A2 Optical transmitter, optical receiver and optical transmission apparatus and control method of optical receiver |
| 07/25/1989 | US4850698 Method of determining measuring data on an optical transmission path by means of optical sensor |
| 07/20/1989 | DE3744537A1 Wireless sound transmission by means of light |
| 07/19/1989 | EP0324541A2 Amplifying optical signals |
| 07/19/1989 | EP0324241A2 Light alignment detection device |
| 07/18/1989 | US4850048 Optical receiver with automatic polarization matching |
| 07/18/1989 | US4850047 Optical bus communication system utilizing frame format signals |
| 07/18/1989 | US4850046 Infrared transmitter of coded message having fixed code and large number of combinations |
| 07/18/1989 | US4850045 Method and apparatus for testing fiber optic hubs |
| 07/18/1989 | US4850044 Serial optical interconnect bus for logic cards and the like |
| 07/18/1989 | US4850043 High integrity optical data transmission system |
| 07/18/1989 | US4850042 Dual media local area network interfacing |
| 07/18/1989 | US4849981 High frequency signal driver for a laser diode and method of forming same |
| 07/18/1989 | US4849960 Optical fibre transducer injected data transmission system |
| 07/18/1989 | CA1257652A1 Optical communication system |
| 07/18/1989 | CA1257651A1 Non-intrusive optical fibre network |
| 07/18/1989 | CA1257650A1 Optical fiber bandwidth limiting method |
| 07/13/1989 | WO1989006473A1 Distributed crossbar switch |
| 07/13/1989 | WO1989006459A1 Optical wireless data communication system |
| 07/13/1989 | WO1989006458A1 Electro-optical data handling system with noise immunity |
| 07/13/1989 | WO1989006372A1 Optical power limiter |
| 07/13/1989 | DE3743766A1 Optical receiver |
| 07/13/1989 | DE3743765A1 Optical receiver |
| 07/12/1989 | EP0323884A1 Optical power limiter |
| 07/12/1989 | EP0323871A2 Voltage to frequency converter and its application in a fibre optic transmission system |
| 07/12/1989 | EP0323602A2 Integrated fiber optics transmitter/receiver device |
| 07/11/1989 | US4847865 Automatic threshold adjustment circuit for digital data communication |
| 07/11/1989 | US4847521 Device for the amplification of light-sensitive |
| 07/11/1989 | US4847477 Reducing phase fluctuations in a coherent radiation beam using feedforward control |
| 07/11/1989 | CA1257414A1 Distributed star network |
| 07/11/1989 | CA1257336A1 Data rate limiter for optical transmission system |
| 07/11/1989 | CA1257123A1 Optical fiber tap |
| 07/06/1989 | DE3744072A1 Communication system for synchronous and asynchronous data transmission |
| 07/05/1989 | EP0323075A2 An optical switch |
| 07/05/1989 | EP0323000A2 An optical backplane |
| 07/05/1989 | EP0322893A2 A polarization diversity optical receiving apparatus |
| 07/04/1989 | US4845702 Optical telecommunication package switching system using asynchronous techniques |
| 07/04/1989 | US4844571 Homodyne interconnections of integrated circuits |
| 06/29/1989 | WO1989006075A1 Wireless optical communication system |
| 06/29/1989 | DE3842480A1 Planar polymer optical waveguide |
| 06/29/1989 | DE3742542A1 Measuring device for optical receivers in communications technology |
| 06/27/1989 | US4843609 Optical integrated circuit for heterodyne detection |
| 06/27/1989 | US4842478 Dental suction apparatus |
| 06/27/1989 | CA1256502A1 Low rf emission fiber optic transmission system |
| 06/27/1989 | CA1256501A1 Optical heterodyne mixers providing image-frequency rejection |
| 06/21/1989 | EP0321173A1 A transimpedance pre-amplifier and a receiver including the pre-amplifier |
| 06/21/1989 | EP0320688A1 Retroreflective transceiver for a bidirectional fibre-optical communication system |
| 06/20/1989 | US4840482 Method of coated fiber identification in optical transmission network |
| 06/20/1989 | US4840448 Optical fiber transmission apparatus, in particular for submarine use |
| 06/20/1989 | CA1256172A1 Optimized guided wave communication system |
| 06/20/1989 | CA1255940A1 Fiber optic workstation datalink interface |
| 06/15/1989 | WO1989005543A1 A transimpedance pre-amplifier and a receiver including the pre-amplifier |
| 06/15/1989 | DE3741398A1 Optical transmission system for digital signals |
| 06/15/1989 | DE3741284A1 Optical fibre multiplexer |
| 06/14/1989 | EP0320181A2 CATV system with shared fibre optic link |
| 06/14/1989 | EP0319852A2 Circuitry for the modulation of a semiconductor injection laser used in optical communication |
| 06/14/1989 | EP0319788A1 Optical heterodyne receiver for digital signals |
| 06/13/1989 | US4839614 Frequency referencing system and method |
| 06/13/1989 | US4838633 Semiconductor device with high speed signal transmission arrangement utilizing light |
| 06/13/1989 | CA1255755A1 Polarization independent coherent optical heterodyne receivers |
| 06/07/1989 | EP0319174A2 Control circuit for the local oscillator of an optical homodyne or heterodyne receiver of a phase shift keying system |
| 06/07/1989 | EP0318883A1 Monolithic optocoupler |
| 06/06/1989 | US4837856 Fault-tolerant fiber optic coupler/repeater for use in high speed data transmission and the like |
| 06/06/1989 | US4837855 Non-blocking optical space switch |
| 06/06/1989 | US4837428 Driving circuit for laser diode |
| 06/06/1989 | US4836641 Submarine optical fiber line with interconnected different cable types |
| 06/06/1989 | US4836107 Arrangement of modular subassemblies |
| 06/06/1989 | CA1255400A1 Fiber soliton optical telecommunication system |
| 06/01/1989 | WO1989005085A1 Switched optical network |
| 06/01/1989 | WO1989005078A1 Optical communications network |
| 06/01/1989 | WO1989005077A1 Optical communications network |
| 06/01/1989 | WO1989005070A1 Optical communications network |
| 06/01/1989 | WO1989005069A1 Optical communications network |
| 05/31/1989 | EP0318335A1 Fault location in optical communications networks |
| 05/31/1989 | EP0318333A1 Stations for a digital communications network |
| 05/31/1989 | EP0318332A1 Synchronisation of digital communications network |
| 05/31/1989 | EP0318331A1 Scrambling in a digital communications network |
| 05/30/1989 | US4835779 Method and apparatus for the operation of a distributed feedback laser |
| 05/30/1989 | US4835595 Optical interconnections for integrated circuits |
| 05/30/1989 | US4835575 Monolithically integrated waveguide-photodiode combination |
| 05/30/1989 | US4834485 Integrated fiber optics transmitter/receiver device |