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| Number | Title | Issue Date |
| 7342928 | Method and system for accessing a peer-to-peer network A method comprising a search phase to find shared information in a peer-to-peer network by terminals each being configured as client and as server to share information with other terminals in the peer-to-peer network, the search phase being triggered on a server in ... | 03/11/2008 |
| 7027376 | Method for optical data recording and reproducing The invention concerns a method for optical recording of data on a photosensitive storage medium, characterized in that the data are encoded according to different possible states for the various components of a non-linear susceptibility tensor of the photosensitive... | 04/11/2006 |
| 6980167 | Electromagnetic probe An electromagnetic probe having at least one assembly including in combination: a coaxial type connectio, a ground plane connected to the outer sheath of the coaxial connection, a reflector cone placed facing the ground plane and shaped to define impedance that is a... | 12/27/2005 |
| 6744872 | Method for executing several services during a telephone call This method comprises a preliminary phase for realizing services that includes breaking down, at least partially, each service to be provided in service elements that bring together processing sequences common to several services or interacting with other services, ... | 06/01/2004 |
| 6724743 | Method of conjoint detection of a set of CDMA codes A method of conjoint detection of a set of CDMA codes received at a plurality of antennas of a receiver like a mobile telephone receiver. The codes are transmitted via a transmission channel with transfer matrix A satisfying the equation e=A.d+n, where d is the set ... | 04/20/2004 |
| 6580926 | Communication method between a base station with N antennae and a mobile phone and base station for implementing same In order to process communications between a base station comprising an N separate antennae network, N being a whole number greater than 1, and at least one mobile phone, the method consists of the following steps: estimating the incoming direction and th... | 06/17/2003 |
| 6549707 | Grating-type optical filter with apodised spectral response A device is presented that is adapted to have an optical wave travel through it and to filter that wave in terms of wavelength, in which an optical parameter of the device varies along the path of the wave in such a manner that the device has a series of ... | 04/15/2003 |
| 6366347 | Instrument for measuring the near-end crosstalk per unit length of multicore fibers The present invention relates to a system for measuring the optical coupling between cores of a multicore fiber which comprises transmitter capable of transmitting a train of pulses of controlled frequency and width into one end of a core of a multicore f... | 04/02/2002 |
| 6289146 | Optical component of the waveguide array spectrograph type, having centered outlet channels The present invention relates to an optical component of the waveguide array spectrograph type, the component comprising an inlet coupler and an outlet coupler between which said array extends, and including optical channels constituting inlets and outlet... | 09/11/2001 |
| 6255149 | Process for restricting interdiffusion in a semiconductor device with composite Si/SiGe gate A method which includes, prior to depositing the encapsulating silicon layer: A) depositing on the Si1-x Gex layer a thin film of amorphous or polycrystalline silicon, then in treating said silicon film with gas nitric oxide at a tem... | 07/03/2001 |
| 6236479 | Space-division optical switching system having a multichannel acousto-optical deflector A space-division optical switching system comprising a multichannel acousto-optical deflector between a plurality of inlet fibers and a plurality of outlet fibers, together with both a plurality of inlet microlenses for collimating beams from the inlet fi... | 05/22/2001 |
| 6185033 | Hybrid integrated electro-optical modulator of the pockels effect type A Pockels-effect electro-optical modulator including a light guide having a core made of an inorganic amorphous material, and on which a structure is superposed that is made up of two electrode-forming layers between which an electro-optical polymer is in... | 02/06/2001 |
| 6181848 | Temperature-independent optical multiplexer and/or demultiplexer The present invention concerns a device forming an optical multiplexer and/or demultiplexer of the type including two plane optical surfaces separated by an array of waveguides having controlled differences in length, wherein each waveguide comprises at l... | 01/30/2001 |
| 6160757 | Antenna formed of a plurality of acoustic pick-ups The output signals of the acoustic sensors of the antenna are subjected to a processing of the superdirective kind, with a constraint as regards the modulus and a non-linear constraint which fixes the incoherent noise reduction. The theoretical formulatio... | 12/12/2000 |
| 6125219 | Optical component having a waveguide array spectrograph with improved array geometry The present invention relates to a multiplexer and/or demultiplexer optical component of the waveguide array spectrograph type, the component comprising an inlet coupler and an outlet coupler in a star configuration between which said array extends, the a... | 09/26/2000 |
| 6112553 | Method of making a device for temperature stabilizing a Bragg grating The invention relates to a method of making a device for stabilizing a Bragg grating relative to temperature, the device being of the type comprising two materials having coefficients of thermal expansion that are far apart, the method comprising the step... | 09/05/2000 |
| 6107652 | Metal-semiconductor-metal photodetector A metal-semiconductor-metal photodetector including an absorbent layer, a barrier layer of greater forbidden band energy on which there are deposited Schottky electrodes and a transition layer of graded composition, the photodetector including a doping pl... | 08/22/2000 |
| 6107113 | Method of relaxing a stressed film by melting an interface layer The present invention relates to the technological field of manufacturing semiconductor materials for optoelectronic and microelectronic components, and it relates specifically to the method of making stacks of metamorphic layers of materials having latti... | 08/22/2000 |
| 6094513 | Demultiplexer with a square spectral response The present invention relates to a multiplexer and/or demultiplexer optical component of the waveguide array spectrograph type, wherein the waveguides are numbered in order of increasing optical path length, the optical path lengths of the waveguides desc... | 07/25/2000 |
| 6049646 | Integrated burster multiplexer duplexer device for multicore fibers A connecting device for multicore fibers includes two superposed substrates each comprising a planar optic with multiple guides so that the guides of the two substrates are disposed in parallel planes that coincide with the cores of the fiber.... | 04/11/2000 |
| 5990013 | Process for treating a semiconductor substrate comprising a surface-treatment step A process for treating a semiconductor substrate, comprising a prior surface-treatment step using a plasma at medium or low pressure, preferably having an electron concentration Ne ࣙ1011 cm-3 and preferably producing a s... | 11/23/1999 |
| 5978532 | Spectrographic multiplexer component having an array of waveguides A spectrographic type multiplexer and/or demultiplexer optical component having an array of waveguides, the component comprising a star inlet coupler and a star outlet coupler with said array extending therebetween, and also comprising an inlet light guid... | 11/02/1999 |
| 5963644 | Process and device for making secure a telephone link connecting two subscriber sets A telephone link comprises two network terminals to which two subscriber sets are respectively connected, two subscriber lines respectively linking the two network terminals to two line terminals respectively located at two local switching centers mutuall... | 10/05/1999 |
| 5946438 | Device for both-way transposition between optical signals and electrical signals, for a communications system The present invention relates to a device for both-way transposition between optical signals and electrical signals, for a communications system, said device comprising a vertically integrated component comprising an optically driven oscillator based on a... | 08/31/1999 |
| 5930278 | Multi-wavelength laser-emitting component A multi-wavelength laser-emitting component presenting a plurality of Bragg grating laser-emitting sources, wherein the Bragg gratings of said sources correspond to a diffraction grating common to the various sources, with the pitch thereof varying contin... | 07/27/1999 |
| 5894519 | Process for the dissimulaton of a secret code in a data authentication device A process for the dissimulation of concealment of a secret code in a data authentication device by encrypting the secret code by an encrypting function for forming an image of the secret code and storing the secret code image in the authentication device.... | 04/13/1999 |
| 5892537 | Audio-visual telecommunications unit designed to form a videophone terminal An audio-visual telecommunications system comprises a videophone terminal including a videophone communication interface for making a connection to a telecommunications network. A picture processing unit receives audio-visual signals from the videophone t... | 04/06/1999 |
| 5885711 | Electrically conductive polymer compositions, production process and coated substrates Stable conductive polymer compositions which do not contain metal ions. The compositions comprise at least one inherently conductive polymer or copolymer chosen from polythiophenes, polypyrroles, polyacetylenes, polyphenylenes, polythiophene copolymers, polypy... | 03/23/1999 |
| 5876796 | Process for selectively depositing a refractory metal silicide on silicon, and silicon wafer metallized using this process Process for selectively depositing a refractory metal silicide on a surface of a monocrystalline or polycrystalline silicon wafer, comprising: a step of preparing said surface, consisting in forming a silicon oxide or silicon oxynitride layer having a thi... | 03/02/1999 |
| 5861971 | Inline modulator device for an optical transmission system An inline modulator device for an optical transmission system, the device comprising: detector means suitable for detecting a portion of the signal transmitted on the line; modulator means; and a control circuit adjustable for synchronization, serving to ... | 01/19/1999 |
| 5858891 | Glass-ceramic materials especially for lasers and optical amplifiers, doped with rare earths A glass-ceramic material that is doped with rare-earths and is especially suitable for lasers and optical amplifiers is disclosed. The glass-ceramic material is optically non-scattering, and the doping with rare earths is essentially in the microcrystalli... | 01/12/1999 |
| 5854438 | Process for the simulation of sympathetic resonances on an electronic musical instrument To simulate sympathetic resonances for an electronic musical instrument, during the playing of free notes an excited notes, updating takes place of a first list (26) of free notes and their harmonics and of a second list (28) of excited notes ans their ha... | 12/29/1998 |
| 5848170 | Acoustic antenna for computer workstation An acoustic antenna for computer workstation, used for video conferencing that comprises a plurality of microphones connected to a summator circuit. The microphones are distributed in a layout so as to form a substantially straight line and are each space... | 12/08/1998 |
| 5838714 | Tunable wavelength laser emission components A wavelength tunable laser emission component includes on the same substrate an active emission section and a Bragg section that includes a waveguide in which is formed a plurality of individual Bragg gratings corresponding to particular Bragg wavelengths... | 11/17/1998 |
| 5835063 | Monopole wideband antenna in uniplanar printed circuit technology, and transmission and/or recreption device incorporating such an antenna An antenna for the transmission and/or reception of microwave signals comprises a substrate plate, at least one feeder line located on a first face of the substrate plate and a conductive deposit located on a second face of the substrate plate. The conduc... | 11/10/1998 |
| 5832146 | Multi-wavelength filter that is insensitive to polarization with means for creating asymmetry in the refractive index of waveguides and method of manufacture The invention relates to a multi-wavelength filter that is insensitive to polarization, comprising a bundle of optical waveguides made on a common substrate and organized in such a manner that the wavelength response of the filter depends on the phase shi... | 11/03/1998 |
| 5828962 | Process for analyzing traffic localization within a cellular radiocommunication network In order to analyze the localization of the traffic supported by a base station of a cellular radio communication network, the process exploits the measurements of radio parameters made by the mobile stations with regard to the base station and to neighbo... | 10/27/1998 |
| 5812965 | Process and device for creating comfort noise in a digital speech transmission system A process and a device for creating comfort noise for discontinuous speech transmission in which, following the end of each detected active period, a silence descriptor frame is generated as a set of parameters describing the comfort noise. For every succ... | 09/22/1998 |
| 5808530 | Modular assembly including two electronic circuits to be electrically interconnected to convey a microwave signal The invention relates to a modular assembly comprising at least two modules to be assembled together and to be electrically interconnected when assembled for the purpose of conveying a microwave signal from an electronic circuit of one of the modules to a... | 09/15/1998 |
| 5809051 | Vertical cavity laser emission component that emits via the surface at a wavelength lying in the range 1.3 micrometers to 1.55 micrometers and a method for making it A vertical cavity laser emission component emitting via the surface at a wavelength lying in the range 1.3 μm to 1.55 μm, the component comprising a stack having two mirrors which reflect at the emission wavelength, plus one or more layers which are int... | 09/15/1998 |
