baber/WOPTO huggingface dataset:
Patent EP-0431126-A1 (EP)
Inventor: LAURENT PIERRE ANDRE
IPC: H04B1/713
Filed: 1990-06-15
Abstract: Le procédé s'applique à la transmission de données à sauts de fréquence sur canal radio à faible taux d'ouverture entre émetteur et récepteur, les données étant transmises sur des paliers de fréquence successifs. Il consiste: à définir une heure d'émission; à positionner le récepteur sur la fréquence d'émission de l'émetteur à un instant prédéterminé avant l'heure d'émission; à synchroniser le récepteur sur une fréquence de bits de synchronisation transmise par l'émetteur; à détecter par corrélation dans le récepteur la présence d'un message sur le canal de transmission; à démoduler dans le récepteur les données reçues du canal de transmission, et à considérer les données comme justes tant que le niveau du signal transportant les données sur le canal de transmission n'a pas commencé à décroître. Application: Radio transmission sur canal météoritique.
Patent EP-0494163-A1 (EP)
Inventor: PERRY FORBES GEORGE DE BRIE
IPC: F16H37/08
Filed: 1990-08-29
Abstract: Transmission à réglage continu dans laquelle un élément de transmission produit un rapport de transmission variable entre un élément d'entrée (2) et un élément de sortie (3). Ce dernier actionne un élément de transmission de sortie (11) au moyen d'un système de remise en circulation de l'énergie (7-10) dans un premier régime de transmission, par l'intermédiaire d'un trajet de transmission sélectionnable (30-34). Celui-ci produit un entraînement à rapport fixe de l'élément d'entrée à l'élément de transmission de sortie et a un régime sélectionnable qui fournit un trajet de transmission (19-25) de l'élément de sortie à l'élément de transmission de sortie. La transmission est conçue de manière à ce que seule une opération d'embrayage soit nécessaire pour effectuer une transition synchrone d'un régime à l'autre.
Patent EP-0443445-A1 (EP)
Inventor: BARTHELT HANS-PETER
IPC: B23Q11/00
Filed: 1991-02-15
Abstract: In order to guide the drill on the one hand and remove the developing dust on the other hand when setting plug holes in building walls, a shell (18) is provided which has a sealable margin (17) lying in one plane. A support (21) for the drill is rigidly connected to this shell (18). In addition, the jig contains an air passage (9) which on the one hand is fluidically connected to a suction opening (20) near the support (21) as well as to the shell (18) and which on the other hand leads into a connection for a suction device. <IMAGE>
Patent EP-0461358-A1 (EP)
Inventor: ANDOH AKIRA
IPC: H03L7/187
Filed: 1991-04-12
Abstract: A frequency synthesizer includes a control circuit which outputs changeover signals for bringing one of a number of filters included in a loop filter (17) into electrical connection with a VCO (10) outputting a desired frequency signal, such that a phase difference signal passes through one filter when a demand for frequency changeover is made, and provides a frequency division ratio corresponding to said one filter to a variable frequency divider (12) and a reference frequency divider (22) whose phases are compared to produce the phase difference signal. In addition, the control circuit successively supplies changeover signals for performing selection of respective filters through each of which the phase difference signal passes, and provides frequency division ratios corresponding to filters tuned to the variable frequency divider and the reference frequency divider to change the output frequency of the VCO incrementally. Furthermore, the control circuit provides changeover signals for connection filters employed in a steady state. The time required between each step in the frequency changeover process can be shortened by setting a time constant for each of the filters to a value such that an intermediate output signal representative of a frequency determined by the frequency division ratio corresponding to each filter is stabilized in a short period of time.
Patent EP-0469482-A1 (EP)
Inventor: HEINRICHS FRANZ-LEO DR
IPC: C07C51/47
Filed: 1991-07-26
Abstract: Method of purifying salts of long chain aliphatic carboxylic acids, in particular montanic acids, characterised in that the crude salts are extracted with suitable organic solvents, in particular methyl ethyl ketone.
Patent EP-0496041-A1 (EP)
Inventor: PLACER ANTON
IPC: E05D5/02
Filed: 1991-10-15
Abstract: The invention belongs to the area of fittings for furniture, and relates to a dismountable and adjustable hinge for the incorporation into units of furniture. The hinge comprises a hinge arm (1) tightened to a base plate (4) by means of a tightening screw (6), whose neck (6''') limiting a trapezoidal recess (6'') at each inclination of the hinge arm (1) cooperates with shoulder sections (10) of a longitudinal recess (10') of an intermediate step (17) of the base plate (4). Into a female thread (14) there is screwed a threaded bolt (5) for adjusting the inclination of the hinge arm (1) with respect to the base plate (4), resting by its bottom surface (5') on a first step (16) of the base plate (4), for the limitation of shifting of the bolt (5) in longitudinal direction there being provided an abutment (22). In order to realize stable and safe interconnection of the base plate (4) and the hinge arm (1) at each inclination, an arcuated depression (13) with downwardly oriented transversal ribs (12) is foreseen, the ribs (12) continuously cooperating with ribs (11) foreseen on the upper surfaces of sidewalls of a third step (18) of the base plate (4).
Patent EP-0494380-A1 (EP)
Inventor: VANDERKELEN JAMES B
IPC: F04D27/02
Filed: 1991-12-09
Abstract: An improved ducted-fan type snowmaking machine and method wherein an impeller (24) within a duct (22) is driven at a variable speed selected to produce a variable noise level depending on the proximity of the apparatus to an inhabited area. The machine includes air stream straightening vanes (31) for converting a spiraling stream to a linear, laminar flow stream, and a plurality of neucleating nozzles (60) positioned within the confines of the duct.
Patent EP-0491301-A1 (EP)
Inventor: TOBITA MINORU
IPC: H03H21/00
Filed: 1991-12-13
Abstract: An apparatus and method for reproducing pit information precisely from a magnetic optical disk (31) without being adversely affected by heat accumulation. The signal reproducing apparatus reproduces signals using a neural network constituting a decoder (48) that decodes pits on the disk. The signal reproducing method provides learning using a sigmoid function and carries out signal reproduction using a step function.
Patent EP-0492379-A1 (EP)
Inventor: PARKER MERLE D
IPC: G02B27/10
Filed: 1991-12-18
Abstract: Optical multiplexer configurations are designed to minimize the volume of the multiplexer or minimize back focal distance of a lens (44) of a multi-color projection system. The multiplexer employs three liquid crystal modulators (62, 64, 66) under computer control to respectively and selectively transmit beams (12, 14, 16) of three different colors (G, R, B) for combination within the multiplexer which projects the combined modulated beams to the projection lens (44) for focusing an image on a display screen. Optical light paths are chosen within the multiplexer by arrangement and configuration of mirrors (FM1, FM2) and dichroic filters (DF1, DF2) to direct the beams (12, 14, 16) along folded paths within the multiplexer for combination and projection through a multiplexer exit window. For minimized volume of the multiplexer all beams (12, 14, 16) are folded within the multiplexer, but two of the color beams (12, 14) are each folded twice in a single common plane (xy) which is perpendicular to a plane (xz) of folding of the third beam (16).
Patent EP-0481558-A1 (EP)
Inventor: VAN SLUIJS CHRISTOFFEL PIETER
IPC: C08L77/00
Filed: 1991-10-10
Abstract: The invention relates to a process for the preparation of a polyamide/aromatic polyester composition having high temperature resistance and toughness. The composition is obtained by using polytetramethylene adipamide as polyamide and effecting the mixing of the polyamide and the aromatic polyester in the melt in the presence of paratoluene sulphonic acid.
Patent EP-0466512-A1 (EP)
Title: Process of operating a spark ignition internal combustion engine.
Inventor: LEEPER THOMAS ALBERT
IPC: C10L10/10
Filed: 1991-07-12
Abstract: Methods and compositions for reducing the maximum reactivity of exhaust products emitted by spark-ignition internal combustion engines. Gasoline having a minimum target octane number is formed by blending together base fuel blending components and at least one cyclopentadienyl manganese tricarbonyl compound in an amount equivalent to up to 1/32 gram of manganese per gallon. The manganese compound is used in lieu of an amount of one or more aromatic gasoline hydrocarbons required to achieve the same target octane number so that the maximum reactivity of the tailpipe exhaust products produced by the manganese-containing gasoline is less than the maximum reactivity of the tailpipe exhaust products produced by the same base fuel blending components not containing any such manganese compound but containing in lieu thereof an amount of one or more aromatic gasoline hydrocarbons required to achieve the same target octane number. There is thus provided a way of providing and using gasolines of suitable octane values while concomitantly reducing the potential for ground ozone formation, smog formation, and other grievous consequences of atmospheric pollution.
Patent EP-0476988-A1 (EP)
Inventor: KAWAMURA AKIO
IPC: H01L21/32
Filed: 1991-09-18
Abstract: A method for forming a semiconductor device isolation region including steps of forming a first silicon oxide film (2) on a silicon substrate (1), depositing a first silicon nitride film (3) over the first silicon oxide film (2), and removing the first silicon oxide film (2) and first silicon nitride film (3) in a device isolation region (5) by using a resist pattern (4), which is formed by a one-time photolithographic step, as a mask so as to expose the surface of the silicon substrate, removing the resist pattern, and oxidizing the exposed surface of the silicon substrate so as to form a second silicon oxide film (4) having a smaller thickness than the first silicon oxide film and to deposit a second silicon nitride film (7), removing the second silicon nitride film (7) by anisotropic etching until the second silicon oxide film (4) is exposed in the device isolation region so as to make the second silicon nitride film remain as the side wall portion (7a,7b) of the silicon nitride film in only the opening side wall portion of the first silicon nitride film, etching the second silicon oxide film in the opening (8) of the first silicon nitride film on a self-aligning basis by using as etching masks the first silicon nitride film and the side wall portion (7a,7b) of the second silicon nitride film remaining on the opening side wall portion of the first silicon nitride film, and selectively carrying out oxidation so as to form a thick silicon oxide film (9) in the device isolation region.
Patent EP-0442799-A1 (EP)
Inventor: MOURIES GERARD
IPC: H01G4/20
Filed: 1991-02-12
Abstract: The present invention concerns an impregnated electrical capacitor formed by the stacking or rolling of different metallized films characterised in that it comprises an alternation of metallized plastic sheets (100) of highly crystalline type and of non-metallized plastic sheets (130) of more amorphous type. <IMAGE>
Patent EP-0447285-A1 (EP)
Inventor: ANDRIEUX JEAN
IPC: A61K31/404
Filed: 1991-02-27
Abstract: Compounds of the formula:   <IMAGE>   in which: A represents   <IMAGE>   R represents linear or branched lower alkyl, R1 represents hydrogen or linear or branched lower alkyl, and R2 represents aryl or lower arylalkyl or aryl or lower arylalkyl substituted by lower alkyl, lower alkoxy, trifluoromethyl, or halogen, aryl means phenyl or naphthyl, as well as optical isomers, epimers and diastereoisomers and addition salts thereof with a pharmaceutically-acceptable acid, lower alkyl and lower alkoxy having 1 to 6 carbon atoms inclusive, and medicaments containing the same which are useful for the treatment of disorders of the melatoninergic system.
Patent EP-0467810-A1 (EP)
Inventor: THOMAS ISABELLE
IPC: C04B37/04
Filed: 1991-07-16
Abstract: Structure for vacuum sealing of a closed cavity by anodic welding of the lower periphery of a glass sheet (11) against the upper periphery of a silicon sheet (12). The glass sheet comprises, facing the cavity, an opening (21) passing through it and the silicon sheet comprises a paddle (22) arranged facing the opening. The paddle is integrally attached to at least a part of the silicon sheet by at least one silicon strip (23) which is sufficiently thin to be flexible. <IMAGE>
Patent EP-0495337-A1 (EP)
Inventor: CAMANI ALFREDO
IPC: E04C2/18
Filed: 1991-12-06
Abstract: The process consists in producing construction structural elements (7) whose internal volume is partially occupied by an elastomer material reduced in volume by compression. 
     It is particularly suitable for using, for this purpose, casings (3) of tires that are no longer usable. 
     The casings are reduced to pieces (3') and conveyed into a press (4) that performs their compression to reduce the volume 87%. Packages (3'') thus compressed are blocked in this situation by ties (6') or vulcanization and then inserted in a form (9) for concrete provided with the necessary reinforcement (7''). When the filling of the form with concrete (7') is performed and the setting has occurred, a lightened element (7) is obtained provided with a relative elasticity. 
     The process also achieves the important result of obtaining the elimination, without pollution, of tires no longer recyclable.
Patent EP-0512046-A1 (EP)
Title: Procede d'encollage de papier et produits similaires
Inventor: MALATESTA ALBERTO
IPC: D21H21/54
Filed: 1991-01-21
Abstract: On améliore la dispersion de l'encollage du papier en traitant la bouillie d'eau cellulosique avec des composés actifs cationiques et en mélangeant un produit d'encollage, pur ou en solution, avec l'eau puis en injectant le mélange sous forme de gouttelettes dans ladite bouillie d'eau cellulosique avant, pendant ou après la formation de la bande de papier, que ladite bande soit sèche ou non et en la séchant. Un appareil d'application de ce procédé amélioré est inclus.
Patent EP-0512079-A1 (EP)
Title: Procede de production de silice fusible a purete elevee
Inventor: CHIENG PAUL C
IPC: C01B33/18
Filed: 1990-11-21
Abstract: Procédé de production de poudre de silice à pureté élevée pouvant être fondue pour former des particules transparentes et exemptes de bulles. Une solution de fluosilicate d'ammonium est d'abord purifiée en enlevant la silice à forme colloïdale sur laquelle les impuretés de la solution ont été adsorbées. La poudre à pureté élevée est produite par ammoniation d'une solution aqueuse insaturée de fluosilicate d'ammonium. La poudre de silice produite est filtrée, lavée et séchée avant fusion. Des traitements supplémentaires préalables à la fusion tels que le lavage, le lessivage hydrothermique, la calcination et une combinaison de ces procédés peuvent être utilisés poru garantir une concentration basse de matériaux volatils.
Patent EP-0593467-A1 (EP)
Title: Renforcement d'un capteur au silicium micro-usine pour ecoulement de masse d'air dans la region de son element chaud
Inventor: ANG LEONCIO T
IPC: G01F1/692
Filed: 1991-06-26
Abstract: On place dans une cavité située à l'arrière d'un diaphragme au silicium, une matrice constituée de microsphères de verre et d'époxy polymérisé pour renforcer le diaphragme sans affecter de manière significative l'aptitude du capteur à répondre rapidement et avec précision aux changements de l'écoulement de la masse d'air. Le renforcement dont bénéficie le dispositif lui permet de remplir certaines conditions définissant jusqu'à quel point le dispositif doit être capable de supporter les dommages dus aux particules de poussière entraînées par l'air qui viennent heurter le devant du diaphragme.
Patent EP-0500040-A1 (EP)
Inventor: HENDERSON PHILIP BRUCE
IPC: C01B9/08
Filed: 1992-02-18
Abstract: A method is disclosed for the kinetic separation of gas mixtures using gas-solid chromatography. More specifically, a method is disclosed for the kinetically driven gas-solid chromatographic separation of NF₃ from CF₄ in significant volumes over a specific class of adsorbents to recover NF₃ at high purities, such as 99.99% NF₃.
Patent EP-0508452-A1 (EP)
Inventor: GREEN DAVID T
IPC: A61B17/064
Filed: 1992-04-10
Abstract: A bioabsorbable surgical fastener comprising a fastener member 100 and an interlocking retainer member 202. The surgical fastener has a total mass of less than 4 mg/transverse mm, thereby reducing the amount of foreign matter present at the wound site and facilitating faster resorption, while effecting hemostasis. The retainer member preferably has longitudinally extending slots 208 on the lateral sides of the retainer for allowing transverse expansion of the columnar members 206 into which the prongs 104 of the fastener member are locked. Fins 110 on both the lateral and transverse sides of the prongs provide extra strength, and stability during implantation. Stopping surfaces 116 prevent the fastener's barbed tip from exiting the opposite side of the retainer.
Patent EP-0591558-A1 (EP)
Inventor: HENNESSY ARNOLD
IPC: E03D5/00
Filed: 1992-04-21
Abstract: A water saver toilet is provided, of the type that applies a vacuum to the toilet bowl outlet to assist flushing, which effectively uses the vacuum and which can be of low height. The toilet bowl outlet includes upper and lower trap devices (44, 50 in Fig. 2) connected by a trapway (46), with the lower trap device being initially unobstructed. At the beginning of flushing, the initial water flow causes obstruction of the lower trap device to air flow, and a vacuum is then applied to the trapway to pull out water and debris from the toilet bowl. One vacuum source (Fig. 3) includes a diaphragm device (76) which separates a water chamber (82) from a vacuum chamber (80). The water chamber is initially filled with water, which is rapidly emptied during flushing, causing the diaphragm device to rapidly fall and produce a vacuum in the vacuum chamber that is connected to the trapway. A biasing device (84) allows the water chamber to deliver water at a considerable pressure, regardless of the level of the water chamber with respect to the toilet bowl. Another vacuum source (Fig. 7) includes a water powered actuator (158) that receives water from a pressured water pipe at the beginning of flushing, to rapidly raise a vacuum diaphragm (170) that produces a vacuum in a vacuum chamber (172) which is connected to the trapway.
Patent EP-0512453-A1 (EP)
Title: Game tool
Inventor: IEMURA OSAMU
IPC: A63F3/02
Filed: 1992-05-04
Abstract: A game tool comprising a game board (2), game pieces (l), and a preservation member (30) for temporarily preserving a fighting condition, in which the game pieces (l) are optionally arranged on the game board (2), in the fighting condition such that it is capable of being reopened at any time, if a fighting is temporarily interrupted. Further, a Go set (E) having numbered black stones (l) and white stones (l), and a pair of Go vessels (ll; l2) for receiving therein the stones (l) in number order can preserve game procedure without having to take a record of a game of Go. The game tool comprising a magnet-attractable metal plate (2), a transparent sheet, a game form and magnet playing-pieces (l) are optimum as teaching materials for Go. In a Go set in which longitudinal and lateral lines on a Go board (2) are formed respectively by metal lines, and magnetic Go stones (l) are used which are light in weight, it is possible to accurately place the stones (l) respectively at the points of intersection between the lines.
Patent EP-0529364-A1 (EP)
Inventor: WEISBRICH FRED ROBERT
IPC: A47F3/04
Filed: 1992-08-06
Abstract: The invention relates to a refrigerated display counter (1), having a product-receiving compartment (2) and a counter bed (3), in which a circulation flow (U) is conveyed, after refrigeration by means of a refrigeration source (4) and after humidification by means of hot water vapour (H) of a humidification device (5), through the product-receiving compartment (2) and, from there, at least partially back to the refrigeration source (4) and to the vapour feed point, at least some of the cold air being branched off (8) from the circulation flow (U) after refrigeration and being eddied in a mixing air chamber with hot water vapour fed into the mixing air chamber (6), and the humidified mixed air (M) thereby produced being conveyed into the product-receiving compartment (2) via at least one vapour outlet nozzle (7). 
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Patent EP-0554514-A1 (EP)
Inventor: WHITE NORMAN HENRY
IPC: G05D23/02
Filed: 1992-10-15
Abstract: A cryogenic pilot valve comprising a thermal sensing element of two disparate thermal expansion materials (1,2) on an actuator body (5) joined to a control fixture (6) having an integral valve wherein the actuator body and the control fixture are rigidly joined by loaded threads (7) which simultaneously serve as the calibration set point device.
Patent EP-0546534-A1 (EP)
Inventor: HEMING RICHARD
IPC: E05B65/44
Filed: 1992-12-10
Abstract: In a locking device for furniture doors, with a locking strip which is located on the body side and which is mounted movably between a locking position and a release position and extends horizontally over the region of two or more doors, the invention proposes that the locking strip be mounted so as to be movable in terms of height, a first height corresponding to the release position and a second height to the locking position, and the locking strip engaging, in its locking position, into recesses located on the door. It thereby becomes possible for the production costs to be capable of being kept as low as possible. Moreover, it becomes possible to actuate the locking strip with very little effort. <IMAGE>
Patent EP-0548798-A1 (EP)
Inventor: KURONO MASAYASU
IPC: C07J63/00
Filed: 1992-12-17
Abstract: An antiviral agent containing a compound represented by formula (I):
       
 wherein R₁ represents a substituted or unsubstituted alkyl group, a substituted or unsubstituted acyl group, a substituted or unsubstituted arylsulfonyl group, a substituted or unsubstituted alkylsulfonyl group, a substituted or unsubstituted phenyl group, or a substituted or unsubstituted heterocyclic group; R₂, R₃, and R₄, which may be the same or different, each represent a hydrogen atom, an amino group, a substituted or unsubstituted alkylamino group, an acylamino group, a substituted or unsubstituted alkyl group, a hydroxyl group, a substituted or unsubstituted alkyloxy group, a halogen atom, a carboxyl group, a substituted or unsubstituted alkylcarbonyl group, a substituted or unsubstituted alkoxycarbonyl group, a substituted or unsubstituted aryloxycarbonyl group, a substituted or unsubstituted carbamoyl group, a nitro group, a cyano group, a thiol group, a substituted or unsubstituted alkylthio group, a substituted or unsubstituted phenyl group, or a substituted or unsubstituted heterocyclic group; A represents a nitrogen group or a methylene group; m represents 0 or a natural number; and n represents a natural number, 
or a pharmaceutically acceptable salt thereof, are disclosed.