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| Number | Title | Issue Date |
| 6061464 | Fingerprint-reading system with integrated heating resistors A fingerprint-reading system including a sensor on which a finger, whose imprint is to be read, is pressed. The sensor has an active surface of elements sensitive to variations in temperature and integrated heating resistors that create a transient variat... | 05/09/2000 |
| 6056780 | Method for the positioning of electromagnetic sensors or transmitters in an array A method for positioning plural electromagnetic sensors in an array including the steps of: (1) designating one of the two sensors of the plural sensors that are a greatest distance apart as a point of origin of a reference system, (2) encoding in genotyp... | 05/02/2000 |
| 6044533 | Method of making an acoustic probe An acoustic probe and a method for making the same. The probe includes a novel interconnection network consisting of two portions, i.e., a first portion in which M×N conductive paths have a section contacting M×N piezoelectric transducers and are arrang... | 04/04/2000 |
| 6043726 | Surface acoustic wave filter utilizing the coupling of three acoustic pathways A surface acoustic wave filter having three acoustic pathways. The first acoustic pathway is made up of a first transducer including a first and second bonding pad and is arranged between two reflectors to form a first resonator. The second acoustic pathw... | 03/28/2000 |
| 6040566 | Device to control the aiming and focusing of laser systems on a target A device to control the aiming and focusing of laser systems on a target comprises at least one reflecting false target (21) positioned and oriented substantially identically to the target (3), a lens (12) for the focusing of the beam on this false target... | 03/21/2000 |
| 6035524 | Method for fabricating an electronics board with thermal-conduction cooling Method for fabricating thermally cooled electronic cards. A card of any kind is covered with a rigid heat sink shaped to fit the card and is attached thereto. The heat sink is formed in such a way that it fits as closely as possible the shape of the print... | 03/14/2000 |
| 6034654 | Method for the control of an image display screen using the principle of the modulation of duration of light emission and display device implementing the method A method for the control of a display screen whose pixels are cells producing light is used to minimize certain image defects known as excess brightness defects caused by major variations in the number of cells activated. For this purpose, the invention o... | 03/07/2000 |
| 6031255 | Bipolar transistor stabilized with electrical insulating elements A semiconductor component of the heterojunction bipolar transistor type comprises, on a substrate, a collector, a base and a mesa-shaped emitter resting on the base. The bipolar transistor furthermore comprises electrically insulating elements in contact ... | 02/29/2000 |
| 6031491 | Broadband printed array antenna A broadband array antenna which delivers an axisymmetric main lobe. The antenna includes patches arranged with an interruption of periodicity in one of the planes and is corner-fed by tree like feed lines from a central point of energization. Opposite eac... | 02/29/2000 |
| 6023238 | Method and device for the removal of ambiguity in distance, applied especially to frequency-shift keying continuous-wave radars Disclosed are a method and a device for the removal of ambiguity in distance. The method computes the distance of the targets detected by the radar using several estimation functions (21, 22, 23). When the estimation functions give substantially the same ... | 02/08/2000 |
| 6023468 | ATM cell spacing method and device therefor A process for spacing ATM cells traveling through an ATM switch and emitted by ATM sources multiplexing diverse profiles destined for one or more networks of specified bit rate. First, the sources emitting cells destined for the same network are aggregate... | 02/08/2000 |
| 6020896 | Method of signal processing application graphical entry Method of signal processing application graphical entry with the aid of a digital computer. The method starts from data structured into tables displayed in the form of Cartesian grids (X, Y, Z, T) by implementing at least one transformation on these data ... | 02/01/2000 |
| 6016469 | Process for the vector quantization of low bit rate vocoders A process for the vector quantization of low bit rate vocoders, including determining a coding region by surrounding with an envelope a scatter of points of an autocorrelation matrix of reflection coefficients of a filter configured to model a vocal tract... | 01/18/2000 |
| 6014192 | Illumination device and application thereof to the illumination of a transmissive screen An illumination device comprises a light source coupled to a waveguide. the waveguide comprises a diffracting element capable of diffracting emergent light rays coming from the source, in a direction substantially perpendicular to the surface of the waveg... | 01/11/2000 |
| 6011344 | Surface acoustic wave transducer driven in differential mode The transducer according to the invention, driven in differential mode, consists of at least a first transducer (5) and a second transducer (6) which are connected in parallel so as to obtain the symmetry of the differential inputs, respectively forming a... | 01/04/2000 |
| 6008719 | Electrical control device with crosstalk correction, and application thereof to magnetic write/read heads This electrical control device with crosstalk correction includes several devices each electrically controllable by a limiter resistor. The current limiter resistors are resistive limiter elements in plane layers positioned on a first substrate face. At l... | 12/28/1999 |
| 6005701 | Optical emission head with laser and modulator Optical emitting head including a laser and an external optical modulator. The modulating signal is modulated by an electrical signal proportional to 1-e, e being the noise power superimposed onto the laser signal, before being applied to the optical modu... | 12/21/1999 |
| 6005510 | Method for the processing of multiple paths The invention relates to the processing of the multiple paths in an interrogator station which, in response to a salvo of interrogations, receives responses in the form of pulses. The station comprises at least two reception channels. The responses to eac... | 12/21/1999 |
| 5997940 | Method for protecting porous components subjected to large potential differences and components thus produced A method for protecting porous components immersed in insulating liquid and subjected to high voltage. The method involves impregnating the components in a heated bath of polymerisable fluid resin wherein the polymerization occurs after the fluid resin pe... | 12/07/1999 |
| 5999118 | Method of spectral analysis, FM/CW type radio altimeter with digital processing A spectral analysis carried out on the beat signals obtained by the mixing of a transmission signal, the frequency of which is modulated in the form of recurrent sawteeth, with this same signal after it has been transmitted, reflected and then received. T... | 12/07/1999 |
| 5998777 | Circuit for the reading of linear arrays of photodetectors The read circuit can be applied to optomechanical scanning imaging devices. The circuit is designed for the reading of batteries of photodetectors comprising a specified number N of detection channels, each constituted by Nd sensors positioned ... | 12/07/1999 |
| 5994687 | System for correction the shape of a wave-front of a laser beam A system for the control of light beams includes a beam splitter placed on the path of the beam to be controlled and deriving a measurement beam from this beam; a detection device receiving the measurement beam and measuring the shape of the wave front of... | 11/30/1999 |
| 5991178 | VHV transformer/rectifier for surface mounting A miniaturized VHV transformer/rectifier for surface mounting on a screen-printed ceramic substrate. The primary winding and secondary windings are wound on separate limbs of the magnetic circuit which are sufficiently far apart to obtain a considerable l... | 11/23/1999 |
| 5986296 | CCD type semiconductor device The disclosure relates to charge-coupled devices taking the form of shift registers and, more specifically, to those working in the MPP (Multi-Pinned Phase) mode, i.e. with high negative polarisation of the electrodes during the phases of waiting or of in... | 11/16/1999 |
| 5986666 | Method for dynamic generation of synthetic images with automatic detail level, and implementation device A method for dynamic generation of synthetic images employs Delaunay mesh generation. Only the terrain portions of which a significant variation in the detail level takes place are processed in real-time, this significant variation being determined by the... | 11/16/1999 |
| 5980721 | Fabrication method for double metallic resist printed circuit boards In a method to fabricate a printed circuit having a surface plated with a base metal layer, an improvement including depositing a first metallic resist on the base layer to delimit at least patterns of circuit elements to be etched in a layer having a fir... | 11/09/1999 |
| 5977920 | Double antenna especially for vehicles The invention relates chiefly to double antennas for metric and decimetric waves, designed for vehicles. The antenna comprises a single-pole antenna for low frequencies surmounted by a dipole type antenna for high frequencies. The supply cable of the dipo... | 11/02/1999 |
| 5978396 | Semiconductor laser source A semiconductor laser source, including a stack of semiconductor laser diodes each including at least one active region. The active region includes a series of semiconductor layers located between an ohmic contact layer and a substrate which also assumes ... | 11/02/1999 |
| 5977905 | Target detection method and device for wideband unambiguous pulse Doppler radar Coherent bursts of N wideband, low repetition frequency width-modulated pulses are transmitted, and they are received with pulse compression and then sampling. For each range gate and each speed hypothesis, a selection is made of the corresponding samples... | 11/02/1999 |
| 5973890 | Magnetic head with saturable element between the poles outside of the gap A magnetic head has two poles separated by a gap and at least one saturable element. The saturable element joins the poles and is outside the gap and parallel to the gap. The head may be in the form of a matrix device having a number of poles mounted over... | 10/26/1999 |
| 5969375 | Infrared detector with non-cooled quantum well structure A detector with quantum structure comprising a small-gap semiconductor material inserted between two large-gap semiconductor materials, the structure comprising a coupling grating between the wave to be detected and the detector zone constituted by the sm... | 10/19/1999 |
| 5968637 | Use of nitride barrier to prevent the diffusion of silver in glass The disclosure relates to a glass substrate coated with a silver-based deposit, with a nitride-based barrier interposed between the glass-substrate and the silver-based deposit to prevent a yellow coloring of the glass prompted by the diffusion of silver ... | 10/19/1999 |
| 5963525 | Process for reading information A process for reading binary information written on a carrier. The carrier has at least one track and the binary information is written onto the carrier at a frequency Fbit. The process includes the step of reading binary information at the sampling frequ... | 10/05/1999 |
| 5961848 | Process for producing magnetoresistive transducers A process for producing magnetoresistive transducers, using microlithographic techniques, where the transducers have magnetic metallic multilayers deposited by sputtering or by molecular beam epitaxy, and forming columns whose side walls will be covered w... | 10/05/1999 |
| 5963163 | Method and device for frequency-modulated continuous-wave radar detection with removal of ambiguity between distance and speed In a method and device for frequency-modulated continuous-wave radar detection with removal of ambiguity between the distance and the speed, the radar sends out at least alternately two parallel and discontinuous frequency modulation ramps that are slight... | 10/05/1999 |
| 5955985 | Device for the reduction of noise in a radar receiver Disclosed is a device for the reduction of noise in a radar receiver. The noise to be reduced being governed by a 1/Fk relationship and the radar carrying out an encoding of the transmission in at least two frequencies, the device comprises at ... | 09/21/1999 |
| 5951662 | Single latch semaphore register device for multi-processor systems In a multi-processor system, the semaphore device comprises a latch associated by software or hardware to a non-shareable resource. The output of the latch is connected to the bus for the re-reading of the semaphore by the processors. The output of the la... | 09/14/1999 |
| 5950237 | Jacket for the personal protection of an infantryman The disclosed jacket comprises a layer that is discreet with respect to the visible and infrared frequencies, having a specified thickness, with a specified dielectric permittivity and emissivity close to 1 for the infrared frequency bands considered; a r... | 09/14/1999 |
| 5945942 | Auto-test device for the transmission and reception system of a radar, especially for automobiles An auto-test device for a radar includes at least one transducer located in the field of radiation of the radar microwave transmission, the transducer being configured to intersect a part of the radiated energy and to send it back to a receiver so as to c... | 08/31/1999 |
| 5946114 | Optical filtering device and application to a liquid crystal projector This optical filtering device includes a dichroic separator on the path of a light beam to be processed. According to the invention, it also includes a holographic filtering device situated in series with the separator on the path of the same beam. The ho... | 08/31/1999 |
