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| Number | Title | Issue Date |
| 5271043 | Device and method for the data transmission or storage optimizing the use of the pass-band A device and a method for the transmission or storage of data optimizing the use of the pass-band. Also, a method for transmission by phase modulation. In order to obtain high data throughput rates, the synchronization of a transmission clock with the rec... | 12/14/1993 |
| 5262788 | Device and method for data transmission and/or acquisition using two cross polarizations of an electromagnetic wave and magnetic recording device A data transmission and/or acquisition device and method are disclosed. The said device and method use two cross polarizations of an electromagnetic wave and a magnetic recording device. The invention pertains to phase/amplitude modulation using two phase... | 11/16/1993 |
| 5238204 | Guided projectile A guided projectile, especially a propelled or ballistic missile, has its trajectory corrected by gas jets from pulse thrusters disposed in at least on axial plane of the missile symmetrically on opposite sides of the center of gravity thereof and whose t... | 08/24/1993 |
| 5225706 | Matrix of photosensitive elements associating a photodiode or a phototransistor and a storage capacitor In a matrix array of photosensitive elements, each photosensitive point is provided with a photosensitive element (pin photodiode) in series with a capacitor between a row lead and a column lead. It is proposed to make use of a simplified photosensitive e... | 07/06/1993 |
| 5204683 | Radar receiver for a radar having a digital beam forming antenna This radar receiver, in particular for a radar having an antenna with beam forming through computation, comprises essentially means for matched filtering having a bandwidth B, means for amplitude and phase detection, and means for analog-to-digital conver... | 04/20/1993 |
| 5182743 | Optical disk arrangement with diffractive tracks allowing positional control The present invention concerns an arrangement for reading an optically readable light reflective carrier on which data is stored in form of diffractive elements which are deviations from a reference surface. The data elements each have a plurality of adja... | 01/26/1993 |
| 5175725 | Optical disk arrangement with closed contours whose entire extent represents information The present invention concerns an arrangement for reading an optically readable light reflective carrier on which data is stored in the form of diffractive elements which are deviations from a reference surface. The data elements each have a plurality of ... | 12/29/1992 |
| 5160991 | Electromagnetic wave detector and image analyzer comprising a detector of this type The detector can be used to detect a wave in the medium infrared range by controlling the detector through optical pumping by means of a near infrared wave. In this case, the detector has a quantum well structure consisting of alternating first layers and... | 11/03/1992 |
| 5150105 | System for the display of color images on matrix display panels The system provides for a function of smoothing, and therefore, softening the contours without any loss in addressability, as well as for the homogenization of the spatial distribution in the screen. It has a microprocessor based management and control ci... | 09/22/1992 |
| 5148182 | Phased reflector array and an antenna including such an array The present invention provides phased arrays using monolithic technology of diffusions over whole wafers for working in millimetric wave frequency bands. The reflector array includes a plurality of metallizations connected together by diodes whose capacit... | 09/15/1992 |
| 5136532 | Coherent signal processing device using an optical delay line and application thereof to filtering correlation product and spectral analysis A coherent signal processing device is provided using a monomode optical fiber as delay line, comprising a source and a ring interferometer with a bidirectional coupler and a monomode optical fiber loop whose ends are coupled to two combined accesses of t... | 08/04/1992 |
| 5132695 | Radio navigation system A radio navigation system including: a means to determine, at a point (M1) of the trajectory of a moving body to be localized, the speed vector of said moving body and, possible, the "n" order derivatives of said speed vector (with n>1), a means to ... | 07/21/1992 |
| 5126989 | Arrangement for reading an optically readable light reflective carrier The present invention concerns an arrangement for reading an optically readable light reflective carrier on which data is stored in the form of diffractive elements which are deviations from a reference surface. The data elements each have a plurality of ... | 06/30/1992 |
| 5124821 | Large-field holographic binocular helmet visor The visor makes it possible to obtain in binocular vision a large field of 60° in the vertical plane and 120° in the horizontal plane. In the case of each monocular vision channel, the visor is constituted by: an image generator such as a miniature cath... | 06/23/1992 |
| 5106480 | Device of the solid-electrolyte electrochemical cell type A device comprising an inhomogeneous solid electrolyte of doped materials which are exclusive conductors for a predetermined chemical species. The electrolyte has a first region and a second surface region, the thickness of which is usually less than 400 ... | 04/21/1992 |
| 5106823 | Josephson junctions made with thin superconductive layers A device made with thin layers comprises at least two layers of materials having different electrical characteristics. At least one of the layers is superconductive. The superconductive layer comprises a rare earth (or yttrium) which is chosen so as to co... | 04/21/1992 |
| 5104580 | Conductive composite polymer film and method for its manufacture Disclosed is an electrically conductive composite polymer film formed from an organic matrix and conductive charges. The matrix is a polymer obtained from a filmogenic macromolecular latex and the conductive charges consist of a conductive polymer diffuse... | 04/14/1992 |
| 5091714 | System for the prevention of drowning accidents A device for the prevention of drowning accidents based on the principle of underwater acoustic transmission consists in equipping an acoustic transmitter which communicates with at least one hydrophone placed at the bottom of the water, the hyrophone bei... | 02/25/1992 |
| 5087275 | Electrochemical sensor having microcavities A method for making a microcavity in an enamel layer is disclosed. For this purpose, a layer of a carbon-based material with the dimensions of the microcavity to be obtained is provided. This layer is coated with an enamel except in a limited zone. The un... | 02/11/1992 |
| 5082201 | Missile homing device The disclosed device can be used to determine coordinates expressing the angular deviation between the direction in which a missile is located and a line of sight in which a target is located. The device comprises means to project and shift an image on a ... | 01/21/1992 |
| 5078044 | Turret comprising a rotating joint and an angular velocity reduction device A turret comprising a rotating joint and an angular velocity reduction device is disclosed. A tracking turret comprises an angular velocity reduction device with an elliptical wave generator, an externally-toothed flexible ring and an internally-toothed r... | 01/07/1992 |
| 5071082 | Spool for optic fiber and method for winding without stress on optic fiber A spool for optic fibers and its winding method are disclosed. The cylinder of the spool has grooves in which rods are placed during the winding operation. Thus, the circumference of the spool is greater than that of the cylinder. After winding, the rods ... | 12/10/1991 |
| 5057744 | System for the display of luminous data with improved readability A luminous data display system is used to improve readability depending on fluctuations in the light environment. It has automatic means to adjust the luminance of the image produced on a screen. These means use a first sensor close to the screen to obtai... | 10/15/1991 |
| 5056919 | Device for measuring a phase shift which is not reciprocal produced in a ring interferometer A ring-shaped interferometer device containing optical means for phase shifting which act on the rays passing through the rings, these means containing an oscillator which delivers a periodic voltage of frequency 1/2͌, in which ͌ is the time taken by a ... | 10/15/1991 |
| 5053764 | System for the display of images in half tones on a matrix screen The system enables the making of half-tones by using the control circuits of the matrix which are not usually designed for this purpose while producing no flicker effect. The system has a memory image with N (greater than or equal or 2) memory planes to s... | 10/01/1991 |
| 5053833 | Device made of oxide superconductive material covered with ion conductive means for adjusting the doping level and Tc thereof Disclosed is a device made of superconductive material wherein the superconducting layer is enclosed by at least one material which is a conductor of ions of one of the anionic constituent elements of the superconductive layer. This makes it possible to a... | 10/01/1991 |
| 5051802 | Compact image sensor A compact image sensor is disclosed. This sensor comprises an insulating, imperviously sealed package, provided with a window which is transparent to light rays and is located on a front face. The inside of the package contains a stack arrangement which c... | 09/24/1991 |
| 5049888 | Method for instantaneous processing of the glint noise and tracking monopulse radar receiver carrying out this method Method and apparatus for instantaneous processing of the glint noise in a monopulse radar. The radar antenna receives a sum signal S and a difference signal Ɗ whose phases vary as functions of time. Successive derivatives Q.sup.(k) of order k, are calcul... | 09/17/1991 |
| 5045846 | Method of adjusting the colors of a polychrome plasma panel and a plasma panel using such a method A method of adjusting the colors of a polychrome plasma panel is provided, including a plurality of elementary image points, each point being formed by several zones covered with luminophores of different colors, each of these zones corresponding to the i... | 09/03/1991 |
| 5039830 | Device for manual control by driving a rotating button The device is designed to be housed within the body of a control button. It comprises two coaxial ratchet wheels (7, 8) mounted in such a way as to present oppositely directed internal circular toothings; a contact strip (4, 5) is associated with each whe... | 08/13/1991 |
| 5033816 | Method for making a diffraction lattice on a semiconductor material The method consists of the following successive steps: the deposition on a substrate, by epitaxy, of an optical confinement layer, formed by a first semiconducting material; the deposition, by epitaxy of an active layer, formed by a second semiconducting ... | 07/23/1991 |
| 5030947 | Device to generate brilliance levels on a display screen A device for generating levels of brilliance on a display screen. The device has a code-voltage converter, controlled by an asynchronous clock which makes a specific conversion of binary codes into discrete control voltages. These voltages are applied to ... | 07/09/1991 |
| 5023941 | Switching-over, automatic matching filter for radio transmitter and/or receiver The filter disclosed has a feedback circuit to stabilize the matching frequency fo at any instant, in acting on the bias current and voltage of the variable capacitance diodes of the filter, when interfering signals have a frequency located in ... | 06/11/1991 |
| 5020034 | Directional antenna with multiple transducers, in particular for a sonar Antenna, in particular for a sonar, allowing to form directional channels by feeding the transducers by a reduced number of sources by means of an interpolation network that permits to maintain to a low level the image lobes in spite of this reduction of ... | 05/28/1991 |
| 5018091 | Discrete fourier transform calculating processor comprising a real-time testing device The invention pertains mainly to a processor for the calculation of the discrete Fourier transform, comprising a real-time testing device. The device according to the invention uses the theorem of Parseval to ascertain that the processor is working proper... | 05/21/1991 |
| 5016235 | Arrangement for reading an optically readable light reflective carrier The present invention concerns an arrangement for reading an optically readable light reflective carrier on which data is stored in the form of the diffractive data elements which are deviations from a reference surface. The data elements each have a plur... | 05/14/1991 |
| 5015051 | Integrated single-mode isolator waveguide and application to a semiconductor laser Integrated single-mode isolator waveguide having a heating means (3) making it possible to increase the efficiency of the isolator (1). The invention also provides for an intermediate layer (5) located between the guide layer (1) and the substrate (2). Ap... | 05/14/1991 |
| 5013580 | Video recording/play-back head, method for making it and apparatus applying said method Video recording/play-back heads concerning rotating heads subjected to wear are disclosed. The structure of this head is such that the active part of the magnetic head as well as the drum are coated with a wear-resistant layer.... | 05/07/1991 |
| 5014042 | Ice detector, especially for aircraft A source sends light towards a receiver through an optical channel, a part of which has an interface with the external environment. The light that reaches this interface is reflected towards the receiver when the external environment is in contact with ai... | 05/07/1991 |
| 5012321 | Interconnection device between the cells of a pre-implanted hyperfrequency integrated circuit The invention concerns pre-implanted circuits in a rapid semiconductor such as GaAs, comprising a network of cells formed of active and passive components. The cells are supplied but are not interconnected between one another. The interconnection between ... | 04/30/1991 |
