Patents
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)
07/1995
07/26/1995EP0664585A1 Transmitter and receiver module for bi-directional optical communication
07/26/1995EP0664060A1 Apparatus for adapting an electrical communications port to an optical communications port
07/25/1995US5436921 High dynamic range laser diode direct modulation
07/25/1995US5436752 Receive-side circuit for a system for optically transmitting a digital signal over a dispersive optical waveguide
07/25/1995US5436751 Analog optical transmission system and optical fiber amplifier
07/25/1995US5436750 Optical repeatered transmission with fault locating capability
07/25/1995US5436749 Method and apparatus for predistortion
07/25/1995US5436746 Optical transmission system
07/25/1995US5436553 Optical power conversion
07/25/1995US5435390 Remote control for a plug-dropping head
07/22/1995CA2140699A1 Low cost optical fiber rf signal distribution system
07/22/1995CA2135223A1 Optical channel adding/dropping filter
07/20/1995WO1995019689A1 Interconnected passive optical networks
07/20/1995WO1995019667A1 Optical data transmission system with transmitter, receiver and a reception filter
07/20/1995WO1995019613A1 Infrared system for inquiry and response
07/19/1995EP0663738A1 Transmission method and amplified spectral multiplexed optical link
07/19/1995EP0663733A1 Remote control for an electrically operated remote controlled apparatus
07/19/1995EP0663708A1 Controlled optical amplifier
07/19/1995EP0663604A1 Polarization rotator
07/18/1995US5434937 Optical filter having integrated transceivers
07/18/1995US5434879 Gain-switched semiconductor light pulse source, and a soliton transmission system
07/18/1995US5434877 Synchronized etalon filters
07/18/1995US5434747 Photoelectric transducer
07/18/1995US5434702 Optical repeaters
07/18/1995US5434701 All-optical inverter
07/18/1995US5434694 Signal isolating device
07/18/1995US5434693 Optical short pulse generating device
07/18/1995US5434692 Optical device for the recovery of the timing of a coded signal
07/18/1995US5434691 Communications system having optical transmission line switching system
07/18/1995US5434524 Method of clocking integrated circuit chips
07/18/1995US5434434 Semiconductor optical device having device regions and diffraction gratings
07/18/1995US5434415 Radiation-detecting light-transmission apparatus
07/18/1995CA2047251C Radio communication apparatus which can be tested by radio and optical test signals
07/18/1995CA2032322C Supervisory circuit for optical repeater
07/14/1995CA2139814A1 Regulated optical amplifier
07/14/1995CA2139813A1 Transmission process and multiplex optical link with amplification
07/13/1995WO1995019015A1 Ic communication card
07/12/1995EP0502004B1 Passive optical network
07/12/1995CN2203514Y Light receiver
07/11/1995US5432875 Fiber optic monitor module
07/11/1995US5432874 Duplex optical fiber link
07/11/1995US5432632 Optical communication system
07/11/1995US5432631 Dual-wavelength source of high-repetition rate, transform-limited optical pulses
07/11/1995US5432630 Optical bus with optical transceiver modules and method of manufacture
07/11/1995US5432629 Light transmission device capable of stably transmitting a modulated output light beam
07/11/1995US5432628 Optical communications network
07/11/1995US5432474 Fixed and adjustable bandwidth translinear input amplifier
07/11/1995US5432470 Optoelectronic integrated circuit device
07/11/1995US5432338 Silicon opto-electronic integrated circuit for fiber optic gyros or communication
07/11/1995CA2047284C Demodulator and polarization diversity receiver for coherent optical communication provided with the demodulator
07/11/1995CA2028966C Distortion canceling fiber optic transmission system
07/05/1995EP0661838A1 Method, circuit and apparatus for mitigating effects of wavelength-dependent atmospheric transmission characteristics on atmospheric optical telecommunication
07/05/1995EP0661571A2 Optical bypass device
07/05/1995EP0661566A1 Two-way line monitor
07/05/1995EP0661560A1 Integrated optical coupler with two inputs and 2N outputs
07/05/1995EP0660993A1 Distributive communications network.
07/05/1995EP0660984A1 Path integrity proving in optical communications systems
07/04/1995US5430823 Optical fiber connection cassette
07/04/1995US5430822 Optical communication system including dispersion compensating optical fibers
07/04/1995US5430817 Optical systems and devices using long period spectral shaping devices
07/04/1995US5430795 Optical transmitter with the signal light of reduced degree of polarization and optical depolarizing circuit
07/04/1995US5430766 Burst mode digital data receiver
07/04/1995US5430765 Digital data receiver having DC offset cancelling preamplifier and dual-mode transimpedance amplifier
07/04/1995US5430722 Hybrid photonic-electronic subscriber access unit for connecting optical subscriber lines to an asynchronous transfer mode telecommunication network
07/04/1995US5430569 Suppression of noise and distortion in fiber-optic systems
07/04/1995US5430568 Optical communications system for transmitting information signals having different wavelengths over a same optical fiber
07/04/1995US5430567 Method of clocking integrated circuit chips
07/04/1995US5430454 Device for creating optical delays and application to an optical control system for a scanning antenna
06/1995
06/30/1995CA2139055A1 Integrated optical coupler with two inputs and 2n outputs
06/29/1995WO1995017797A1 Method of transmitting information and variations of a device for carrying out the said method
06/29/1995DE4446969A1 Light wave frequency control device e.g. for frequency-multiplexed signal transmission system
06/28/1995EP0660637A2 Large capacity multi-access wavelength division multiplexing packet network
06/28/1995EP0660550A1 Repeater for soliton transmission system using sliding-frequency guiding filter
06/28/1995EP0660549A1 Dual-wavelength data transmitter for reducing fading in an optical transmission system
06/28/1995EP0660548A1 Technique for improving performance in an optical transmission system
06/28/1995EP0660547A1 Infrared radiation receiver and information transmission method
06/28/1995EP0660546A1 Sub-carrier multiple access network
06/28/1995EP0660542A1 Sytem for wireless information transmission between two different rooms
06/28/1995EP0660468A1 Bidirectional optical amplifier
06/28/1995EP0660161A1 All-optical inverter
06/28/1995EP0484482B1 Code word recognition unit and its use
06/27/1995US5428818 Method and apparatus for reducing interference in a radio communication link of a cellular communication system
06/27/1995US5428471 Fail-safe automatic shut-down apparatus and method for high output power optical communications system
06/24/1995CA2133132A1 Technique for improving performance in an optical transmission system
06/22/1995WO1995017055A1 Passive optical network for video on demand
06/22/1995WO1995017053A1 Surveillance of optical broad-band connection lines up to a passive interface
06/22/1995WO1995016945A1 Process and device for co-ordinating the operation of machine elements
06/22/1995DE4342792A1 Monitoring optical wide band subscriber lines
06/22/1995DE4342778A1 Contactless data transmission link between relatively rotating parts in CT appts
06/22/1995CA2178952A1 Surveillance of optical broad-band connection lines up to a passive interface
06/21/1995EP0658994A1 Method of and device for the fine synchronization of ATM cells in optical ATM nodes
06/21/1995EP0658992A1 An optical transmission system
06/21/1995EP0658988A1 Optical circulator for dispersion compensation
06/21/1995EP0658987A1 Optical space communication apparatus
06/21/1995EP0506753B1 Lossless optical component
06/21/1995EP0463051B1 Optical transmission system
06/14/1995EP0658018A1 Method and system for clock synchronization in an optical communications network
06/14/1995EP0658016A1 Optical emitter with linearising network
06/14/1995EP0658015A1 Apparatus for transmitting an intensity- and phase-modulated light beam
06/14/1995EP0658003A1 Apparatus and method for referencing an optical receiver