baber/WOPTO huggingface dataset:
Patent EP-0444721-A1 (EP)
Inventor: DIEMER MARTINUS BERNARDUS JOHA
IPC: G02B6/12
Filed: 1991-01-23
Abstract: The invention relates to an integrated optical polarisation splitter based on the mode filter principle, in which the asymmetry, necessary therefor, of the waveguides is obtained by using a polable glassy polymer as optical waveguide material, which material is polarisation-sensitive in the poled state and is not, or virtually not polarisation-sensitive in the unpoled state. A Y-shaped optical waveguide pattern 8 of polable glassy polymer comprises a continuous optical waveguide formed by the optical waveguide sections 8.1 (incoming) and 8.2 (outgoing) in which the polymer is in the unpoled state and an outgoing optical waveguide section 8.3 which connects to said optical waveguide at an acute angle and in a tapered fashion and in which the polymer is in the poled state. Since the poled material is also electro-optical, an electric field, for example generated between electrodes 2 and 10, can still correct any small deviations in the asymmetry. Advantages are simple production, with relatively high tolerances, and a short integration length of the component.
Patent EP-0534007-A1 (EP)
Inventor: SEVENHANS JOANNES MATHILDA JOS
IPC: H03F3/45
Filed: 1991-09-25
Abstract: An operational transconductance amplifier (OTA) including a differential amplifier (M1/3) with a differential pair (M1/2) connected (VS) to a common current source (M3), and a control circuit (A, R1/2, M8/11) for obtaining a linear input volatge versus output current characteristic by maintaining the transconductance (gm) independent of the differential (VG2-VG1) and of the common mode (VG2+VG1) input voltages. 
     The control circuit includes a negative feedback circuit with a comparator or operational amplifier (A) whose inputs are connected to the above connection point (VS) and to a reference terminal (Vref) whose voltage follows that of the differential inputs (VG1/2), the output of the comparator (A) controlling the current source (M3). 
     The slope of the linear characteristic can also be modified by changing the voltage at the reference terminal (Vref) via an external input voltage terminal (VC). 
     An additional current mirror circuit (M4/7), also controlled by the control circuit, is provided for suppressing the common mode output current in the differential pair (M1/2), this current being generated by the action of the control circuit on the current source (M3).
Patent EP-0479387-A1 (EP)
Inventor: HERSTEIN MORRIS
IPC: C09C3/12
Filed: 1991-10-02
Abstract: An improved coating for cosmetic materials is disclosed. Fluoroalkylpolysiloxanes used as coatings for cosmetic powders and microparticulate materials provides the advantages of existing polysiloxane coatings plus provides advantages making the coated materials useful in emulsion systems and alkaline systems even when aged at high temperatures.
Patent EP-0509155-A1 (EP)
Inventor: ARNOLD JOHN FRANK
IPC: G05D23/19
Filed: 1991-03-26
Abstract: A radiant heating system comprises a radiant heating tube (1) suspended in a building (2) and provided with burners means comprising at least one burner unit (10) producing hot combustion gases which are drawn through the heating tube by a vacuum pump (6) to heat the tube, the heat output of the burner means being dependent upon the value of the negative pressure applied to the burner means through the heating tube. The burner means is arranged to have, at a predetermined normal operating value of negative pressure, a heat output calculated to maintain a desired temperature inside the building when the outside air temperature has a preselected value. The outside air temperature is sensed by a thermostat (8) during operation of the system and the value of the negative pressure applied to the burner means is increased by adjustable damping means (7, 11) when the outside air temperature falls below the preselected value, thereby increasing the heat output of the burner means to meet the increased thermal load. Constructing and operating the heating system in this way permits the capital cost of the system to be reduced in comparison to systems constructed and operated in a conventional manner.
Patent EP-0511443-A1 (EP)
Inventor: MCBEATH JOHN
IPC: G01N21/88
Filed: 1991-05-01
Abstract: An optical projection system for projecting a magnified image of an object includes a 1:2 relay lens (18) having a magnification of x0.5. The object (12) is illuminated by a collimated substantially parallel light beam from a source (10) and the 1:2 relay lens (18) produced an intermediate shadow image (19) at its focal plane. A projection lens (20) is located to project a magnified final image (16) of the intermediate image (19) on the screen (17). While it is preferred that the relay lens has a magnification of x0.5, the relay lens may have a different magnification less than x1.
Patent EP-0462896-A1 (EP)
Title: Improved flexible drive connector for an automobile speed indicator
Inventor: JAUNET JEAN-CLAUDE
IPC: G01P1/04
Filed: 1991-06-19
Abstract: The present invention relates to a connector for a flexible drive intended to be fixed to a speed indicator (speedometer) drive point comprising, as known per se, a casing (100) provided at its front end with a locking ring (122) provided with two diametrically opposing projecting teeth (127, 128) designed to fit into a groove (14) on a barrel of the drive point, characterised in that the connector also comprises a sleeve (200) designed to be translationally moved on the casing (100) between a rest position in which the sleeve (200) does not act on the locking ring (122) and a working position in which the sleeve (200) stresses the locking ring (122) into deformation in such a way that the locking teeth (127, 128) emerge from the groove (14) formed in the barrel of the drive point. <IMAGE>
Patent EP-0494003-A1 (EP)
Inventor: SEHIER PHILIPPE
IPC: H04L27/22
Filed: 1991-12-19
Abstract: Un système récepteur pour le traitement de signaux transmis à travers un canal de transmission dispersif à plusieurs trajets et reçus sur une pluralité de voies de diversité (20), ledit système récepteur comprenant des moyens (30) de numérisation desdits signaux reçus pour fournir des signaux numériques correspondants, un moyen (40) d'égalisation numérique auto-adaptatif à voies de diversité sensible auxdits signaux numériques pour fournir des symboles d'information et un moyen (70) pour engendrer un signal d'horloge-symbole qui commande les moyens de numérisation et le moyen d'égalisation, caractérisé en ce qu'il comprend en outre un moyen (50) de récupération de rythme sensible auxdits signaux numériques et auxdits symboles d'information pour engendrer un signal de commande de phase asservissant la phase du signal d'horloge-symbole. <IMAGE>
Patent EP-0490796-A1 (EP)
Inventor: GANCY ALAN B
IPC: C09K3/18
Filed: 1991-12-12
Abstract: Methanol, ethanol, and methanol/ethanol deicers are formulated to contain additives which inhibit evaporation of the deicers during application, thereby dramatically reducing evaporative losses. These additives also function to reduce flammability of accidental spills during transportation and handling. The additives consist of long chain aliphatic alcohols which are economical, effective at low concentrations, relatively non-corrosive, and relatively harmless to asphalt and Portland cement concrete pavements. 
     The inhibiting film which forms at the air/solution interface has been shown to be formed through absorption of atmospheric moisture into the deicer. Films are, surprisingly, formed when the inhibitor is at concentrations far below the equilibrium saturation concentration in the original test solution, at test temperature. 
     Addition of a controlled amount of water to the inhibited alcohol formulations desirably increases their density or specific gravity, and reduces the concentration of additive required to effectively inhibit evaporation losses of applied deicer. The added water also increases the solubility of added known deicers, e.g. urea in the formulation. 
     The function of an added deicer or freezing point depressant is to further increase the density or specific gravity of the formulation. Quite unexpectedly, however, it has been discovered that addition of a deicer such as urea to the inhibited methanol dramatically reduces methanol evaporation rate, i.e. reduces it far below the level which would have normally been anticipated through the application of Raoult's Law. 
     Preferred embodiment deicer formulation of this invention have exhibited virtually zero evaporation rate immediately upon pouring the deicer into shallow test vessels. Both magnetically-stirred and quiescent inhibited test liquids exhibit dramatically reduced evaporation rates. Deicers should therefore be effective on undisturbed and on trafficked roadways. 
     The novel evaporation-inhibition feature allows for the first time consideration for commercial use of economical alcohols possessing low osmolar weight and desirably low eutectic temperatures in the water/ice system.
Patent EP-0473549-A1 (EP)
Inventor: MEIER HANS-RUDOLF DR
IPC: C08K5/41
Filed: 1991-08-20
Abstract: Sulphoxides of alkylthiomethylphenols of the formula I 
<IMAGE>
 in which 
 
  R1 is hydrogen, C1-C20-alkyl, C2-C18-alkenyl, C5-C7-cycloalkyl, C5-C7-cycloalkenyl, phenyl or C7-C9-phenylalkyl, 
  R2 represents hydrogen, C1-C20-alkyl, C2-C18-alkenyl, C5-C7- cycloalkyl, C5-C7-cycloalkenyl, phenyl, C7-C9-phenylalkyl or a radical -CH2-SO-R5 in which R5 is C8-C20-alkyl which is optionally interrupted by -O-, -S- or -SO- groups, C2-C12-alkyl which is substituted by one to two hydroxyl groups, or phenyl, benzyl, -(CH2)nCOOR6 or -CH(CH3)COOR6 in which R6 is C1-C20-alkyl and n is 1 or 2, 
  R3 is hydrogen or a group -CH2-SO-R5 in which R5 is as defined above, and 
  R4 has the same meanings as R2 with the proviso that only one of the radicals R2, R3 or R4 represents the group -CH2-SO-R5 and that, if R4 is -CH2-SO-R5 and R1 and R2 are at the same time tert.-butyl or tert.-amyl, R5 is not C8-C14-alkyl, 
 or mixtures of these compounds with the corresponding non-oxidised compounds are suitable for stabilising organic materials which are sensitive to oxidative, thermal and/or light-induced degradation.
Patent EP-0443991-A1 (EP)
Title: Fire-proof protective wearing outfit
Inventor: CAPELLO GIUSEPPE
IPC: A62B17/00
Filed: 1991-02-20
Abstract: The protective outfit described is for activities with a risk of burns and has regions with different degrees of protection including a region (14) of minimum protection which constitutes a point where the external temperature can be detected.
Patent EP-0491043-A1 (EP)
Inventor: TSUYA KAZUHIDE SHINMEI-CHO -CH
IPC: B29B9/14
Filed: 1990-12-28
Abstract: A process for producing a fiber-reinforced polyamide resin composition suitable for use as a molding material, which comprises feeding a liquid lactam containing an anionic polymerization catalyst and another liquid lactam containing an activator to an impregnation chamber which mixing both lactams at a given ratio, impregnating a long reinforcing fiber with the lactam mixture to form a string in this chamber, forming a seamless coating layer of a thermoplastic resin around an outer periphery of the string, anionically polymerizing the lactam mixture contained in the string in a hot polymerization chamber, and cutting the string thus treated to size with or without peeling off the coating layer, thereby giving pellets. The obtained composition has a high adhesive strength between the reinforcing fiber and the resin and imparts excellent properties to a molding product.
Patent EP-0525086-A1 (EP)
Inventor: HOLCOMBE CRESSIE E
IPC: H05B6/80
Filed: 1991-04-15
Abstract: Le procédé décrit, qui permet de procéder à la nitruration d'un article de métal ou de métalloïdes formant du nitrure réfractaire, consiste à placer un article de métal ou de métalloïde consolidé à l'intérieur d'un four à micro-ondes et à introduire un gaz contenant de l'azote dans le four à micro-ondes. L'article en métal ou en métalloïde est chauffé à une température suffisante pour que le métal ou le métalloïde entre en réaction avec l'azote par application d'une énergie à micro-ondes à l'intérieur du four à micro-ondes. L'article en métal ou en métalloïde est maintenu à cette température pendant une période suffisante pour convertir l'article en métal ou en métalloïde en un article de nitrure réfractaire. Un procédé servant à appliquer un enduit, par exemple un enduit d'un oxyde, d'un carbure ou d'un carbonitrure, sur un article de métal ou de métalloïde par chauffage aux micro-ondes est également décrit.
Patent EP-0539392-A1 (EP)
Title: Mixtures of polycarbonate and poly(1,4-cyclohexenedimethylene terephthalate).
Inventor: SUBLETT BOBBY JAMES
IPC: C08G63/83
Filed: 1991-06-25
Abstract: Disclosed is a process for preparing polyesters of dimethyl terephthalate with 1,4-cyclohexanedimethanol using a catalyst comprising a titanium alkoxide and an alkaline earth metal salt.
Patent EP-0548091-A1 (EP)
Inventor: LINARES CARLOS GABRIEL
IPC: C11D3/33
Filed: 1991-08-05
Abstract: Des compositions détergentes comprenant un mélange d'agents tensio-actifs détergents non ioniques et zwitterioniques, un solvant de nettoyage hydrophobe, et un adjuvant de détergent de polycarboxylate permettent d'obtenir un meilleur nettoyage de toutes les salissures que l'on rencontre généralement dans la salle de bains. Les compositions possèdent un pH compris entre environ 1 et environ 5,5. Les compositions sont sous forme de liquides aqueux.
Patent EP-0495960-A1 (EP)
Title: Methods for rapid microbial detection.
Inventor: REES CATHERINE ELIZABETH DUNN
IPC: C12R1/19
Filed: 1991-08-08
Abstract: A method for testing for target bacteria involves adding bacteriophage to a sample to infect the bacteria in the sample; killing extracellular bacteriophage without killing phage-infected bacteria; amplifying bacteriophage remaining in the sample; and causing the bacteriophage to infect reporter bacteria and thereby produce an observable signal. The reporter bacteria are genetically engineered to have an indicator gene which on expression gives rise to a detectable signal, wherein expression of the indicator gene is initiated on bacteriophage infection of the bacteria.
Patent EP-0602030-A1 (EP)
Inventor: PERCIVAL-SMITH HARRY DAVID
IPC: B25B29/02
Filed: 1991-09-02
Abstract: Un dispositif à cylindre et piston annulaires comprend un cylindre annulaire et un piston destiné à celui-ci, le piston comprenant des parties de parois latérales qui se prolongent dans le cylindre vers la base de celui-ci, ces parties latérales se présentant sous forme de nervures annulaires à rétrécissement qui définissent ensemble un évidement de section transversale asymétrique.
Patent EP-0504605-A1 (EP)
Inventor: RUPPRECHT RUDOLF
IPC: B22D19/02
Filed: 1992-02-20
Abstract: 2.1. Cylinder liners are exposed to ever increasing stresses due to pressure and temperature, especially in their upper region. This gives rise to the requirement for the cylinder liner to be manufactured from very high-strength steel. At the same time, however, there should be no deterioration in the running characteristics of the piston rings on the surface of the cylinder liner relative to the running properties which can be achieved with grey cast iron. This double requirement has hitherto been met by spin-on deposition of a layer of grey cast iron on the inner surface of the cylinder liner but has the disadvantage of a very long cooling time and wide variations in quality. 2.3. In the method according to the invention, the steel ring (5) is heated to white heat in a casting mould (4) by means of an induction coil (6). Immediately following this, the casting mould (4) is filled with molten grey cast iron via casting channels (11). After the compound blank has cooled, it is removed from the casting mould (4) by the destruction of the latter and taken for further processing. 2.3. The method can be used for all cylinder liners made of grey cast iron. <IMAGE>
Patent EP-0500105-A1 (EP)
Inventor: GEKKA RYOICHI C O YAMAHA HATSU
IPC: F01N3/28
Filed: 1992-02-20
Abstract: The present invention relates to an exhaust gas arrangement for a motorcycle having an engine, particularly multiple cylinder engine, and an exhaust pipe assembly comprising at least a front exhaust pipe extending from the engine to an exhaust chamber and a rear exhaust pipe extending from said exhaust chamber to discharge exhaust gas therefrom, and an oxygen sensor for detecting the oxygen contents of the exhaust gas, wherein the oxygen sensor is disposed at the exhaust gas chamber extending upwardly and/or laterally therefrom.
Patent EP-0510698-A1 (EP)
Inventor: SANO MITSUNORI
IPC: H01L41/09
Filed: 1992-04-24
Abstract: The invention relates to a device using a leverage mechanism for amplifying a mechanical displacement produced by applying a voltage to a piezoelectric element. The device has a central support part, a pair of lever arms which are arranged oppositely and symmetrically with respect to a center axis of the support part and each connected to the support part by a hinge section, a piezoelectric element which has a longitudinal axis normal to the center axis of the support part and is fixed at two opposite ends to root ends of the two lever arms, respectively, and a resilient metal sheet beam which is fixed at its two opposite ends to the tip ends of two lever arms, respectively. A displacement of each end of the piezoelectric element is transmitted to the adjacent lever arm and amplified by lever action of each lever arm. As the amplified displacement is transmitted to the beam from the lever arms the beam makes a buckling motion, and a maximal displacement of the beam with respect to an end face of the support part becomes the output of the device. According to the invention a middle section of the beam is fixed to a protruding end of the support part, so that the device provides two simultaneous outputs one of which is a maximal displacement of the beam in a segment on one side of the fixed middle section and the other another maximal displacement in a segment on the opposite side of the middle section.
Patent EP-0518151-A1 (EP)
Inventor: BEITZKE BERNHARD DR
IPC: C07C205/38
Filed: 1992-06-01
Abstract: Nitrophenyl alkyl ethers can be prepared advantageously by reacting a nitrophenol with an alkyl halide in water as the reaction medium in such a way that the nitrophenol is introduced into water and the alkyl halide and a compound which binds hydrohalic acid are added simultaneously.
Patent EP-0576709-A1 (EP)
Inventor: WITTE HORST
IPC: B23Q3/02
Filed: 1992-07-02
Abstract: The diagonal element is used in combination with a system for constructing devices for clamping workpieces on machine-tool tables in a defined and reproducible position, with a base plate (10) which can be mounted on the machine table and has connecting bores, running at right angles to one another at regular grid spacings, for fastening holding parts (11) which are provided with connecting bores arranged at the same grid spacings as the base plate. When systems of this type are to be constructed like latticework in order to permit a robust and light construction, the predetermined grid size can only be maintained if the diagonal element has the following features:   1) transverse connecting bores (2) at a distance (5R) which corresponds to five times the grid spacing (R) - or a multiple of five times the grid spacing (R) - of the connecting bores in the base plate (10) and/or the holding parts (11); 2) end faces (7, 8) at each front end which are at right angles to one another and have an angle of 36.87 DEG  and 53.13 DEG respectively to the centre line (5) through the transverse connecting bores (2) and are provided as alternate angles at the two front ends;   3) half a grid spacing (1/2 R) of each end face (7, 8) relative to the centre line (6) through the adjacent transverse connecting bore (2); and 4) end connecting bores (4) at right angles to each end face (7, 8) through the centre line (6) of the adjacent transverse connecting bore (2). This diagonal element, which in its design is based on the Pythagorean theorem, permits a connection of base plate and/or holding parts while maintaining the grid size at the spacing of the parts to be connected. Here, the distance between the transverse connecting bores is the hypotenuse of the right-angled triangle. The distance between the holding parts corresponds to a cathetus, so that this distance, at five times the grid spacing of the transverse connecting bores, is equal to three times or four times the grid size. A graduation in a single grid size can be achieved by appropriate arrangement of the diagonal elements relative to the parts to be connected.
Patent EP-0522540-A1 (EP)
Inventor: AUDEVAL FABRICE
IPC: H04Q1/14
Filed: 1992-07-09
Abstract: The cable terminal includes a sectional member (1) carrying a fastening, receiving the cable, at least one connection unit (4) which is formed of identical pancake coils (40) stacked one on top of another and is fastened to the front of the sectional member, and line protection modules (5) for each pancake coil. It is characterised in that each pancake coil includes a dovetail system (42) formed on its upper and lower faces, parallel to their front and back edges, and so-called H-shaped internal line contacts accessible on its front and back faces, and in that each protection module (5) can be plugged into the back face of one of the pancake coils. Application: telephone distributor. <IMAGE>
Patent EP-0526752-A1 (EP)
Inventor: DIGRANDE JOHN THOMAS
IPC: G01B5/08
Filed: 1992-07-09
Abstract: A pellet diameter inspection system (10) has a laser scanning apparatus (14) operable for detecting and measuring the outside diameter of the pellets (P), a pellet transfer apparatus (12) operable for transferring pellets (P) end-to-end in a row along a feed path (L) past the laser scanning apparatus (14), and a pellet reject apparatus (20) operable for removing from the feed path (L) any off-sized diameter pellets (P) measured by the laser scanning apparatus (14). The pellet reject apparatus (20) includes an ejector member (44) and a support member (42) capable of supporting the ejector member (44) along and adjacent to one side of the feed path (L) and of moving the ejector member (44) through an eject stroke across the feed path from a home position to an end position in order to remove pellets (P) from the feed path and through a reverse stroke across the feed path (L) from the end position to the home position. The pellet reject apparatus (20) also includes an actuator (46) mounted to the support member (42) and, in turn, mounting the ejector member (44).
Patent EP-0530580-A1 (EP)
Inventor: VIGNOTTO ANGELO
IPC: G01P3/487
Filed: 1992-08-18
Abstract: A flux concentrator (17) for gauging the revolving speed between two members in relative rotation, of the kind made out of a toothed ring with an open shaped axial cross section, provided with an edge (18) for the assembly on a rolling bearing (10) and a pocket (24) for containing a sensor coil (16). The flux concentrator (17) extends from the non-rotating race (10) of the bearing to the rotating race (11) where it forms the pocket (24) with a surface of the race (11); a phonic wheel (14) facing the coil (16) is mounted on the same surface of the rotating race (11).
Patent EP-0529646-A1 (EP)
Inventor: HORIUCHI AKIHISA
IPC: G02B15/173
Filed: 1992-08-28
Abstract: A zoom lens includes, from front to rear, a first lens unit of positive refractive power, a second lens unit of negative refractive power, a third lens unit of positive refractive power and a fourth lens unit of positive refractive power, zooming being performed by moving the second and fourth lens units, and focusing being performed by moving the fourth lens unit, wherein the second lens unit is constructed from three single lenses, i.e., from front to rear, a negative first lens having a strong concave surface facing the image side, a negative second lens of bi-concave form and a positive third lens having a strong convex surface facing the object side.