| 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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| 07/12/1994 | US5329392 Optical communication system with multiple fiber monitoring |
| 07/12/1994 | US5329210 High-speed driver for an LED communication system or the like |
| 07/12/1994 | US5329173 Signal detecting circuit apparatus |
| 07/12/1994 | US5329115 Optical receiver circuit |
| 07/12/1994 | US5329113 Optoelectronic switching node |
| 07/07/1994 | WO1994015415A1 Optical communication system and method |
| 07/07/1994 | DE4243823A1 Opto=coupler mfr. with heat-resistant plastic-coated assembly strip |
| 07/07/1994 | DE4243753A1 Electrical bus subscriber to two=core optical bus matching circuit |
| 07/06/1994 | EP0605229A1 Optical heterodyne detection method and apparatus for applying the method to practical use |
| 07/06/1994 | EP0605117A1 Integer gain self-electrooptic effect device |
| 07/06/1994 | EP0605116A2 Depolariser for optical components in optical transmission system |
| 07/06/1994 | EP0604947A1 Radiation-detecting light-transmission apparatus |
| 07/06/1994 | CN1025405C Digital interpolation circuitry |
| 07/05/1994 | US5327514 Visual image transmission by fibre optic cable |
| 07/05/1994 | US5327511 Apparatus and method employing fast polarization modulation to reduce effects of polarization hole burning and polarization dependent loss |
| 07/05/1994 | US5327423 Method and a network for transmitting messages in frequency channels |
| 07/05/1994 | US5327279 Apparatus for linearization of optic modulators using a feed-forward predistortion circuit |
| 07/05/1994 | US5327278 Optical transmitting and receiving system having polarization diversity in each hybrid circuit |
| 07/05/1994 | US5327277 Method and apparatus for determining equalization delays in a transmission system and related apparatus |
| 07/05/1994 | US5327276 Optical local area network system and node apparatus used in the same |
| 07/05/1994 | US5327275 Switching system of optical transmission lines for protecting from trouble |
| 07/05/1994 | CA2022690C Optical repeated transmission method and system |
| 07/05/1994 | CA1330576C Transient voltage suppression for electro-optic modules |
| 06/30/1994 | DE4340025A1 Transmission system for optical signals |
| 06/29/1994 | EP0604050A1 Backplane optical spine |
| 06/29/1994 | EP0604045A2 Optical time domain reflectometry measurements on a multi-branch optical network |
| 06/29/1994 | EP0604040A1 Optical signal identification technique |
| 06/29/1994 | EP0603925A1 Optical signal generator for telecommunication equipment |
| 06/29/1994 | EP0603584A1 Optical transmitters with laser diodes without use of focusing elements |
| 06/29/1994 | EP0587784A4 Optical communication interface |
| 06/29/1994 | EP0577698A4 Infrared communication repeater architecture |
| 06/28/1994 | US5325226 Optical coherent receiver |
| 06/28/1994 | US5325225 Method of optical transmission and optical transmitter used in the same |
| 06/28/1994 | US5325222 Photonic concentrator |
| 06/23/1994 | WO1994014209A2 Optical self-heterodyne remote antenna system |
| 06/23/1994 | WO1994014181A1 Wide angle, narrow band optical filter |
| 06/23/1994 | WO1994014145A1 Favorite key macro command and chained macro command in a remote control |
| 06/23/1994 | DE4243400A1 Optical transceiver for bidirectional data transmission |
| 06/23/1994 | DE4242733A1 Exchanging data between transceiver unit and terminal appts. |
| 06/23/1994 | CA2107454A1 Optical time domain reflectometry measurements on a multi-branch optical network |
| 06/22/1994 | EP0602957A1 System and method for the transmission of audio signals over an optical channel |
| 06/22/1994 | EP0602659A1 Method of removing frequency modulation from amplitude modulated optical signals |
| 06/22/1994 | EP0602228A1 High bit rate infrared communication system for overcoming multipath |
| 06/22/1994 | EP0602158A1 Device for optical transmission of data between different electronic circuits |
| 06/22/1994 | EP0602089A1 Non-linear optical interferometer with saturated amplifier |
| 06/22/1994 | EP0396686B1 A process and device for the decentralised transmission of information on a transfer path |
| 06/22/1994 | CA2104189A1 Optical signal identification technique |
| 06/21/1994 | US5323474 Lossless optical signal splitter including remotely pumped amplifier |
| 06/21/1994 | US5323258 Homodyne optical receiver equipment |
| 06/21/1994 | US5323257 Microphone and microphone system |
| 06/21/1994 | US5323014 Optocoupler built-in self test for applications requiring isolation |
| 06/18/1994 | CA2111642A1 Method of removing frequency modulation from amplitude modulated optical signals |
| 06/16/1994 | DE4241551A1 Optical signal transmission appts. esp. for digital data processing - employs holographic diffraction elements arranged in line facing and parallel to row of monochromatic sources and detectors |
| 06/16/1994 | DE4230932A1 Einrichtung für die Erzeugung von Rückkopplungssignalen zur Regelung optischer Überwachungskreise (PLL) Means for generating feedback signals to control optical monitoring circuits (PLL) |
| 06/16/1994 | CA2111515A1 System and method for signal transmission |
| 06/15/1994 | EP0601310A1 Optical line connector and optical loop wiring |
| 06/15/1994 | CN2169251Y Infrared remote controller |
| 06/14/1994 | US5321774 Polarization independent transmissive/reflective optical switch |
| 06/14/1994 | US5321710 Predistortion method and apparatus for laser linearization |
| 06/14/1994 | US5321707 Remote pumping for active optical devices |
| 06/14/1994 | US5321543 Apparatus and method for linearizing an external optical modulator |
| 06/14/1994 | US5321542 Control method and apparatus for wireless data link |
| 06/14/1994 | US5321541 Passive optical communication network with broadband upgrade |
| 06/14/1994 | US5321540 Optical frequency division multiplexing network |
| 06/14/1994 | US5321498 Planar integrated crossover optical system |
| 06/09/1994 | WO1994013076A1 An optical communications system for transmitting information signals having different wavelengths over a same optical fiber |
| 06/09/1994 | WO1994012960A1 Measuring process and device with analog optical signal transmission |
| 06/09/1994 | WO1994006224A3 Sagnac interferometer based secured communication system |
| 06/09/1994 | CA2150814A1 Method and device for measuring using analog optical signal transmission |
| 06/08/1994 | EP0600553A1 Optical transmission system comprising a linearisation circuit |
| 06/08/1994 | EP0600273A1 Integrated optical subscriber terminal and corresponding central office |
| 06/08/1994 | EP0600267A1 Optical bidirectional transmit/receive module |
| 06/08/1994 | EP0469126B1 Optical duplexer |
| 06/08/1994 | EP0195796B1 Optical switching mean |
| 06/07/1994 | US5319656 Thermal control for laser diode used in outside plant communications terminal |
| 06/07/1994 | US5319642 Method of communication using a two-way bus with contention detection |
| 06/07/1994 | US5319489 Method and apparatus for relative positioning of a frequency, in particular an optical frequency |
| 06/07/1994 | US5319488 Terminal equipment and optical communication system using the same |
| 06/07/1994 | US5319487 Infrared data transmission-reception system |
| 06/07/1994 | US5319486 Transmission equipment with an optical transmission line |
| 06/07/1994 | US5319485 Wavelength-assignable optical communication system |
| 06/07/1994 | US5319482 Optical loop back and line test apparatus |
| 06/07/1994 | US5319438 Interferometric, self-homodyne optical receiver and method and optical transmission system incorporating same |
| 06/07/1994 | US5319266 Differential boxcar integrator with auto-zero function |
| 06/07/1994 | US5319191 Ask receiver with signal delay and stretching |
| 06/07/1994 | US5319190 Pocket laser communicator and illuminator |
| 06/05/1994 | CA2110421A1 Optical transmission system |
| 06/01/1994 | EP0599703A1 Use of 4-hydroxy- or 4-aminobenzumidazol or their derivatives as coupler agent in oxidative dye compositions, the compositions and its method of application |
| 06/01/1994 | EP0599552A1 Electro-optical method and apparatus |
| 06/01/1994 | EP0599522A1 Optical transceiver with improved range and data communication rate |
| 06/01/1994 | EP0599155A1 Optical transmission system using optical amplifiers and device for controlling the transmission path |
| 06/01/1994 | EP0598929A1 Optical communication system suitable for selective reception of multiple services |
| 06/01/1994 | DE4310230A1 Portable radiotelephone subscriber terminal - has separate power and function modules, each with own transceiver |
| 06/01/1994 | DE4240029A1 Optical signal transmission procedure - reducing output power of optical amplifier when line breaks and returning to normal after short time after line is restored |
| 06/01/1994 | CN2167485Y Infrared monolithic wireless ear phone |
| 05/31/1994 | US5317660 Optical transmission system with optical filter for providing protection against giant pulses |
| 05/31/1994 | US5317581 Electric field absorption light modulation driving apparatus and method having improved feature to eliminate noise from optical output |
| 05/31/1994 | US5317580 Bidirectional transmission system with identical laser components |
| 05/31/1994 | US5317443 Optical transmitter |
| 05/31/1994 | US5317442 Mutually pumped phase conjugator for remote identification |