baber/WOPTO huggingface dataset:
Patent EP-0325939-A2 (EP)
Inventor: GELLRICH NORBERT DR RER NAT
IPC: H01J37/32
Filed: 1989-01-11
Abstract: The invention relates to a process for planarising a structured surface of a semiconductor device. An insulating layer is deposited on the structured surface and the surface of said insulating layer is then levelled by spinning on a polymer. The process according to the invention for completely transferring this flat surface into the insulating layer to be levelled includes a dry etching process in which the processing gas essentially contains no oxygen so that it is possible to detect the end point by measuring the change in intensity of the CO emission line. The etching process can automatically be switched off by means of the end point signal before the polymer has been completely removed, but the remaining insulating layer only exhibits steps with round edges and of low height. If it is intended to obtain a completely flat surface, the etching process is automatically interrupted when the surface still partly contains polymer but is completely flat. In a subsequent process step, the oxygen which is released by etching the oxygen-containing insulating layer and accelerates the polymer etching rate can then be compensated for by adding a suitable gas so that a completely flat insulating surface is produced. <IMAGE>
Patent EP-0328146-A2 (EP)
Inventor: AMERICA WILLIAM G
IPC: G01N30/22
Filed: 1989-02-10
Abstract: Liquid chromatography column coupling assembly having a column enclosed in a housing member to form a column cartridge and including coupling assemblies at respective ends of the cartridge, each comprising a coupler member and a collar member. The coupler member and collar member are tubular in configuration and disposed in coaxial telescoping relation with one end of the coupler member abutting the respective end of the column with an annular seal interposed therebetween. The collar member has one end threaded onto the end of the column housing and at its opposite end an inwardly extending radial flange coacting with an outwardly extending radial flange on said one end of the coupling member. Rotation of the collar member when threading it onto the column housing causes relative axial displacement of the member to compress the seal between the abutting ends of the column and coupler member.
Patent EP-0340579-A2 (EP)
Inventor: SCHLOGL GUNTER DR
IPC: B65D65/40
Filed: 1989-04-24
Abstract: A novel shrink film which consists of several polyolefinic layers is described. The base layer contains polypropylene and an added resin, and the top layers consist of polyolefinic seal raw materials. The film has a shrinkage of more than 15% in the crosswise direction at 90 DEG C and less than 6% in the longitudinal direction, likewise at 90 DEG C. The novel film is produced by coextrusion and subsequent orientation in the longitudinal and crosswise directions, the longitudinal orientation, however, being carried out in such a way that the value of the birefringence of the longitudinally oriented film,  DELTA n, does not exceed the range from 12 to 15 . 10<-><3>.
Patent EP-0344532-A2 (EP)
Inventor: JEKAT HERBERT DIPL-ING DR
IPC: F04D29/10
Filed: 1989-05-18
Abstract: The invention relates to a sealing device of the bearings of a rotating shaft with its associated drive unit on agitator mechanisms or pump impellers which treat aggressive, explosive, radioactive or toxic media or solid suspensions. On the product side, an axial face seal is arranged between the agitator shaft and the housing of the agitator mechanism, whilst on the drive side a static hermetically sealing sealing element is installed between the shaft and the drive unit on the one hand and the housing on the other hand. The interior of the housing in which the bearings are installed is filled with a lubricant which is maintained at a pressure equal to or above the pressure in the product container. 
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Patent EP-0351660-A2 (EP)
Inventor: DZIURLA HEINZ-JURGEN
IPC: C08J3/22
Filed: 1989-07-07
Abstract: The invention relates to conductive blends of thermoplastics, such as polyethylene terephthalates and polybutylene terephthalates (PET and PBTP), polycarbonates (PC), polyester carbonates (PEC) and polyamides (PA), and conductive black.
Patent EP-0351782-A2 (EP)
Inventor: SUDO YUKA
IPC: C07C69/773
Filed: 1989-07-18
Abstract: The invention relates to optically active compounds represented by the general formula I
     wherein R 1 , R 2 , R 3 , R 4 , Q 1 , Q 2 , Q 3 , and M are defined as in the specification, methods and intermediates for their preparation, liquid crystal compositions comprising at least one optically active compound of formula I and their use in electrooptical display, switching and modulation devices.
Patent EP-0364808-A2 (EP)
Inventor: BOTTENBRUCH LUDWIG DR
IPC: C07C37/20
Filed: 1989-10-03
Abstract: Die Erfindung betrifft ein Verfahren zur Herstellung von Dihydroxidiarylalkanen aus Carbonylverbindungen und Phenolen unter hohem Druck.
Patent EP-0368039-A2 (EP)
Title: Verschluss für eine photogrammetrische Aufnahmekamera
Inventor: FELLE KARL
IPC: G03B9/60
Filed: 1989-10-17
Abstract: Der Verschluß wird intermittierend betrieben, indem die Drehscheiben (1a/b, 2a/b) für jeden Belichtungsvorgang aus einer Startposition heraus, in der die Scheiben stillstehen, beschleunigt und nach dem Ende des Belichtungsvorganges wieder stillgesetzt werden. Die Startposition ist hierbei so berechnet, daß sich für alle Belichtungszeiten eine konstante Zugriffszeit (Auslöseverzögerungszeit) ergibt. In einem Ausführungsbeispiel ist für den Betrieb des Verschlusses eine Elektronik vorgesehen, die einen Positions- und einen Geschwindigkeitsregelkreis enthält. Während jedes Belichtungsvorganges wird der Antrieb für die Drehscheiben des Verschlusses zwischen den beiden Regelkreisen umgeschaltet.
Patent EP-0369191-A2 (EP)
Inventor: KREITZBERG JOHN S
IPC: E02F9/28
Filed: 1989-10-20
Abstract: A tooth point (10') having key slots top and bottom wherein the rear walls of the slots (16',17') are outwardly convergent relative to the front walls to permit receipt of a curved locking pin (15').
Patent EP-0379677-A2 (EP)
Inventor: RALEIGH WILLIAM JOHN
IPC: C09K23/54
Filed: 1989-11-30
Abstract: Novel polysiloxane polymers are provided having general formula
      wherein R¹ is a polyoxyalkylene radical of the formula
      x has an average value from about 5 to 400, y has an average value of at least 1 and n has an average value from at least 1 to 200. Water-in-oil emulsions comprising the novel polysiloxane polymers are also described.
Patent EP-0372568-A2 (EP)
Inventor: AOKI SHIGEO
IPC: H04N9/12
Filed: 1989-12-08
Abstract: In a projection device according to the present invention, light from a point light source unit (30) is reflected by a first reflecting mirror (21) to produce parallel rays, which are applied to a color active matrix liquid crystal display unit (22). The parallel rays having passed through the liquid crystal display unit (22) are converted by a second reflecting mirror (23) into a bundle of rays of a desired solid angle for projection onto a screen (13).
Patent EP-0377217-A2 (EP)
Inventor: DIETZ PAUL H
IPC: H03K19/0185
Filed: 1989-12-28
Abstract: A CMOS level shift circuit with active pull-up uses a pair of pull up transistors (T5, T6) activated during the period when an output node needs to be rapidly pulled up. The pull up transistors are activated by the outputs of a combinatorial logic (I1, I2, N1-N4) or memory circuit detecting when a change of input signal has occurred and activating the respective pull up transistor to bring the output to the proper state.
Patent EP-0338677-A2 (EP)
Inventor: NISHIHARA H KEITH
IPC: G06V10/40
Filed: 1989-03-17
Abstract: A system for shape recognition includes a spatial convolution filter which has an approximately band pass response. The filter is applied to a camera image and the sign of the filter's output is used to produce a second binary image. At sufficiently coarse (low center spatial frequency) scales, this image tends to change isolated shapes into single blob-shaped regions. The same convolution operator is then reapplied to this binary signal blob image and peaks in the output of the second convolution are used as the primitive elements for building a shape description. By processing the image with operators of two different scales the peaks shift position. The location of peaks from the coarse scale operator together with vectors to the fine scale peaks provide a description of the shape for a look-up table or other system.
Patent EP-0336738-A2 (EP)
Inventor: HARVEY PETER
IPC: G02B6/44
Filed: 1989-04-05
Abstract: A circumferentially rigid flexible tube for use in loosely housing at least one optical fibre in an optical cable - especially an aerial optical cable - is manufactured by forming a plurality of flexible elongate flexible bodies (6,16,26), each of which has a transverse cross-section approximating to a sector of an annulus and in each of which a multiplicity of non-metallic reinforcing elements (28) are encapsulated in and evenly distributed throughout the cross-sectional area of an extruded body of electrically insulating plastics material (29); causing each flexible body as it emerges from the extrusion die (33) to follow a helical path in such a way that the convex outer arcuate surface of the body is maintained outermost and so treating the body that the plastics material in which the reinforcing elements are encapsulated sets; laying up the helically advancing flexible bodies together to form a flexible tube (5,15,25) of circular cross-section which is rotating about its longitudinal axis and feeding at least one flexible optical fibre (21) into the bore of the tube as it is being formed; and taking up the flexible tube in such a way that any residual torsion in the tube is removed.
Patent EP-0352957-A2 (EP)
Inventor: MILLER WILLIAM JAMES
IPC: C03B37/15
Filed: 1989-07-19
Abstract: A fiber optic coupler is formed by providing a glass tube having a longitudinal aperture (12) extending therethrough. Glass optical fibers (22, 24) each having a core, cladding and coating are disposed within the longitudinal aperture, the fibers extending beyond each end thereof. The coating is removed from that portion of the fibers in the midregion of the tube but remains on that portion of the fibers extending into the ends of the apertures. The coating can be removed prior to inserting the fibers into the tube, or it can be removed from that portion of the fibers in the midregion of the tube by oxidation, depolymerization or the like. The aperture is formed by a plurality of flattened walls, the dimensions and orientations of which are such that the cross-section of the aperture in the central region of the tube is symmetrical with respect to a plane passing through the longitudinal axis of the tube. At any cross-section of the aperture that is adjacent the coated regions of the fibers, each fiber coating contacts two walls of the aperture. The fibers are held taut to effect a tension therein, and the midregion of the tube is heated, collapsed about the fibers, and drawn to reduce the diameter thereof over a predetermined length.
Patent EP-0357442-A2 (EP)
Inventor: NISHIJIMA TOYOKI
IPC: G03C1/43
Filed: 1989-09-01
Abstract: A silver halide photographic light-sensitive material improved in fastness to light of the color image formed thereon. The photographic material comprises a support and a silver halide emulsion layer containing a dye-forming coupler, a compound represented by the following Formula I, and a compound represented by the following Formula II:
      wherein R and R, each represents a straight or branched chain alkyl group having 1 to 4 carbon atoms or a straight of branched chain alkenyl group having 1 to 4 carbon atoms; R₅ and R₆ each represents a straight or branched chain alkyl group having 5 to 18 carbon atoms or a straight of branched chain alkenyl group having 5 to 18 carbon atoms; and R₃, R₄, R₇ and R₈ each represents a straight or branched chain alkyl group having 4 to 8 carbon atoms.
Patent EP-0338986-A2 (EP)
Inventor: KERBER ELMAR DR
IPC: B01J31/02
Filed: 1989-04-11
Abstract: There is described a synergistically acting mixture for regulating the growth of plants which consists of a) a cyclohexanedionecarboxylic acid derivative of the formula I <IMAGE> in which R represents C1-C4-alkyl or C3-C6-cycloalkyl and R1 represents hydroxyl, C1-C6-alkoxy, C1-C6-haloalkoxy, C2-C10-alkoxyalkoxy, C2-C10-alkylthioalkoxy, C3-C6-alkenyloxy or a phytophysiologically acceptable metal salt or ammonium salt of such a derivative, and b) a 5-(trifluoromethanesulphonamido)aceto-2,4-xylidide of the formula II <IMAGE> in which R2 and R3 individually in each case are hydrogen or C1-C4-alkyl, R2 and R3 together are a 2-5-membered alkylene bridge which can be monosubstituted or polysubstituted by C1-C4-alkyl. The mixture is suitable for inhibiting the growth of grasses and weeds in lawns and for inhibiting the growth in cereal and soybean crops in the sense of an improved resistance to breaking or lodging and increased yields.
Patent EP-0381246-A2 (EP)
Inventor: SUZUKI NARIKO C O NEC CORPORAT
IPC: G06F9/38
Filed: 1990-02-05
Abstract: A microprocesseur comprises a decoder for decoding an instruction supplied thereto and producing a decoded instruction, storage means for temporarily storing said decoded instruction, means for producing an execution ready signal when said decoded instruction stored in said storage means is brought into a ready state for execution, means responsive to said execution ready signal for reading out said decoded instruction from said storage means, an execution unit for receiving and executing the read-out decoded instruction, means responsive to information representing that a conditional branch instruction is decoded by said decoder for masking the execution ready signal for at least one instruction which is decoded by said decoder and stored in said storage means during an unsettled period of branch condition of said conditional branch instruction, and means responsive to branch success or branch fail- r ure determined under the settled branch condition of said conditional branch instruction for removing said masking of the execution ready signal or changing the execution ready signal to an invalid state.
Patent EP-0392410-A2 (EP)
Inventor: NAKAMURA KENJI
IPC: G06Q99/00
Filed: 1990-04-09
Abstract: A document editing apparatus having a schedule control data input means which adds schedule control data to document data and/or the voice data, and a schedule controller which displays document data on a display according to a schedule control data and time data obtained from a timekeeping means (10), and/or reproduces voice data using voice reproducing means (7).
Patent EP-0403954-A2 (EP)
Title: Clear track signalling device for railways
Inventor: VON PIEVERLING KLAUS DR-ING
IPC: B61L1/14
Filed: 1990-06-13
Abstract: 2.1 If train length signalling devices containing radar devices are used for clear track signalling, it has hitherto been possible for wrong signals to occur. It is the aim that such echo signals should not be processed to form speed values/train lengths which come from other vehicles for which no clear track signalling is to occur. 2.2 Echo signals can be subjected to a range selection by using a modulated radar transmitter (4) which feeds at the same time an antenna (6) directed vertically and an antenna (7) directed obliquely towards the train to be evaluated. The echo signals picked up by one antenna (6) determine the beginning and end of the train; the echo signals from the other, obliquely directed antenna (7) produce the respective train speed. 2.3 Railway safety engineering/clear track signalling. <IMAGE>
Patent EP-0415111-A2 (EP)
Title: Betriebs-Ersatz-Taktversorgung für digitale Systeme
Inventor: SARKOEZI IMRE
IPC: H03B28/00
Filed: 1990-08-01
Abstract: Betriebs-Ersatz-Taktversorgung für digitale Systeme, inbesondere für synchrone Multiplexsysteme und Vermittlungsysteme, mit einem Betriebstakt-Oszillator (VCOb) und mit einem Ersatz-Oszillator (VCOe), deren Betriebs-Taktsignal (TSb) bzw. Ersatz-Taktsignal (TSe) auf Baugruppen (BG1, BG2, ...) geführt werden, bei der mindestens eine Taktsignal-Summierschaltung (SU) vorgesehen ist, die gleiche harmonische Spektralsignale unterschiedlicher Amplitude des Betriebs-Taktsignals (TSb) und des Ersatz-Taktsignals (TSr) zu einem resultierendem Spektralsignal (Sr) addiert. <IMAGE> <IMAGE>
Patent EP-0414261-A2 (EP)
Inventor: SHIKATA HIROYUKI C O INTELLECT
IPC: A61B8/00
Filed: 1990-08-24
Abstract: A convex probe (10) constituted by N ultrasonic transducers arranged in a row at a predetermined curva­ture is driven by  k  (N > k) ultrasonic transmission/­reception drive circuit (12, 14, 16, 18) each of which is driven to perform a transmitting or receiving operation with a delay corresponding to an externally supplied delay value.  k  adjacent ultrasonic transducers to be driven by the  k  ultrasonic transmission/reception drive circuit (12, 14, 16, 18) so as to perform a transmitting/receiving operation are switched and selected. Ultrasonic reception signals respectively obtained by the  k  ultrasonic transmission/reception drive circuit (12, 14, 16, 18) are added. The addition signal is then subjected to detection and signal processing to calculate ultrasonic data. The ultrasonic data is collected to generate a one-frame image. The obtained image is then displayed. In this case, delay values for setting transmission/reception directions of ultrasonic beams to be parallel to a desirably set ultrasonic beam direction are respectively supplied to the  k  ultrasonic transducers selected by the switching operation.
Patent EP-0421148-A2 (EP)
Inventor: FOCKE HEINZ
IPC: B65B43/12
Filed: 1990-09-07
Abstract: In the production of (cigarette) packagings from die-cuts (10) made of thin cardboard, these are supplied in the form of a die-cut stack (15), mainly in containers (cartons 16). For the mechainsed, extensively automatic conveying of the die-cut stacks (15) to the packaging machines, specially designed cassettes (32) are used, which are designed to receive the contents of a carton (16) of die-cut stacks (15). The cartons (16) are opened mechanically by a cutting aggregate (39) by removal of a side wall (30). By means of special extraction aggregates (59), the die-cut stacks (15) are removed via the open carton side and deposited directly in an adjacent cassette (32). 
<??>By means of central emptying of the cartons (16) and mechanised transport of the die-cut stacks (15) by means of special operation-linked cassettes (32), a mechanised transport circuit for the packaging material is created. 
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Patent EP-0420025-A2 (EP)
Inventor: GOODARD LLOYD EDWIN
IPC: C07B61/00
Filed: 1990-09-19
Abstract: 3,5-dialkyl-4-hydroxybenzyl-substituted benzene compounds are made by reacting 2,6-dialkyl-4-methoxymethyl phenols with a benzene compound having an unsubstituted nuclear position in an inert solvent and in the presence of sulfuric or sulfonic acid catalyst while distilling methanol by-product from the reaction mixture as it forms.
Patent EP-0402994-A2 (EP)
Inventor: DEVANEY MARK JOSEPH JR C O EAS
IPC: B01L3/00
Filed: 1990-06-07
Abstract: Disposable reaction packs for use in automatic analysis equipment are known. These packs comprise a body which is divided into successive chambers, each of which contains a fluid. Mixing of the fluids in such packs is achieved by manually applying pressure to each chamber of the reaction pack to open the seal between each chamber. This process is time-consuming, inaccurate and could result in damage to the reaction pack. Described herein is apparatus (10) for transferring liquid from one chamber to another in successive chambers of a chemical reaction pack (12). The apparatus (10) comprises a support surface (16) on which the packs (12) are placed, and a plurality of pressure applicators (20) which are driven to apply pressure to the packs (12). Temperature control elements (70) are also provided to heat and cool the liquid contained within each chemical reaction pack (12).
Patent EP-0417823-A2 (EP)
Inventor: MACRAE ALASDAIR ROBIN
IPC: A23D7/00
Filed: 1990-08-21
Abstract: A process is described by which triglycerides-containing, short-chain fatty acid residues are interesterified enzymatically with long-chain fatty acids or their esters, while removing the liberated short-chain fatty acid compounds from the reaction mixture.
Patent EP-0395268-A2 (EP)
Inventor: AVIS RICHARD JOSEPH ANDREW
IPC: H04N7/01
Filed: 1990-04-11
Abstract: In, for example, a motion compensated video standards converter (Figure 1) wherein blocks in a first field or frame of a video signal are each compared with a plurality of blocks in the following field or frame of the video signal for deriving motion vectors representing the motion of the content of respective blocks between the first field or frame and the following field or frame, and wherein a correlation surface is generated for each block in the first field or frame, the correlation surface representing the difference between the content of the first block in the first field or frame and the content of each block in the following field or frame with which it has been compared; it is determined whether the correlation surface contains a clear minimum value of the difference by determining (22, 26, 30, 46) whether the minimum difference represented by the correlation surface differs from the next smallest difference represented by the correlation surface by more than a predetermined amount.
Patent EP-0397445-A2 (EP)
Inventor: VAISANEN RISTO
IPC: H04B1/04
Filed: 1990-05-08
Abstract: The present invention concerns a procedure for forming low power levels in a radio telephone transmitter in which high power levels are produced in a controllable amplifier stage (1), for instance in a class-C power amplifier. According to the procedure, a RF signal is before the amplifier stage (1) divided into two branches in a power divider (4), in one of which the Rf signal is conducted to said amplifier stage (1) for forming high power levels, and in the other branch the RF signal is conducted to an element (5) by which low power levels are produced, and said branches are com­bined in the output (RFout) of the transmitter. The element (5) is e.g. a PIN diode attenuator.
Patent EP-0409579-A2 (EP)
Inventor: BAUDRIT PATRICK
IPC: B60K5/12
Filed: 1990-07-17
Abstract: A strut for limiting movement and vibration of a motor vehicle engine comprises flexible walls (24B) respectively supporting pins (not shown) which are connected to the engine and the body member respectively. As engine movement of vibration takes place, the walls (24B) flex changing the relative volumes of fluid-containing chambers (28 and 30;32 and 34). Helical fluid pressure communication channels (58,60) interconnect the chambers at opposite ends of the strut and control and limit the flexing of the flexible walls (24B) and thus control and limit the movement and vibration of the engine. A further such channel (not shown) can be added which incorporates a movable piston for transmitting the fluid pressure, the piston being lockable to interrupt pressure transmission.
Patent EP-0413498-A2 (EP)
Inventor: OKADA RYOJI
IPC: F28F3/02
Filed: 1990-08-07
Abstract: A heat transfer member has a heat transfer unit (30) mounted on a mounting sheet (20). The heat transfer unit (30) comprises a plurality of layers (10) of wire mesh laminated and bonded together and to the mounting sheet (20). The spaces between the wires of the mesh layers (10) of the heat transfer unit (30) permit liquid to pass through the heat transfer unit (30) and so conduct heat away. A semiconductor element (IC chip) (50) is mounted on the mounting sheet (20), and to a base (10). The resulting assembly is immersed in a liquid. Preferably, the planes of the mesh layers (10) are generally perpendicular to the mounting sheet (20) and the semiconductor element (50) and the material of the mounting sheet (20) chosen to have a thermal expansion coefficient between that of the semiconductor element (50) and the heat transfer unit (30) to reduce thermal stresses. The wires of the mesh layers (10) are preferably of copper as this is inexpensive and provides satisfactory heat conduction.