baber/WOPTO huggingface dataset:
Patent EP-0294143-A2 (EP)
Inventor: ALLISON JOE D
IPC: C09K8/88
Filed: 1988-05-31
Abstract: High permeability zones in subterranean formations are reduced in permeability by the gelation of water soluble polymers of polyalkylenimines, polyalkylenepolyamines and mixtures thereof in such formations with cross-linking agents containing difunctional groups which are capable of cross-linking with said polymers.
Patent EP-0298753-A2 (EP)
Inventor: KUMATA MASATAKA
IPC: C08L79/04
Filed: 1988-07-08
Abstract: A method is described for the production of a molecular composite suitable for use as a structural material for aircraft, automobiles and spacecraft, the method comprising dissolving a rigid aromatic polymer and a matrix polymer in an acidic solvent comprising an aqueous phosphoric acid solution and subsequently removing said solvent to yield a molecular composite with excellent structural properties with improved resistance to physical degradation and reduced corrosive effect on metals which come into contact therewith.
Patent EP-0305164-A2 (EP)
Inventor: EDWARDS ALLEN P
IPC: H04L27/36
Filed: 1988-08-24
Abstract: A novel vector signal generator is provided which includes a vector modulator (27) controlled by base­band manipulation circuitry (28). The output signal from the vector modulator is down converted (33) to a desired output frequency. The baseband manipulation circuitry provides, under digital control from, for example, a microprocessor, adjustments to the phase, carrier leak­age, and modulation levels of the I and Q signals. In this manner, a highly accurate vector modulated signal is generated within a wide range of carrier frequencies.
Patent EP-0313399-A2 (EP)
Inventor: UEDA HIROYUKI
IPC: G06F40/191
Filed: 1988-10-21
Abstract: There is disclosed a text processing apparatus allowing easy line-end process, namely division of a line-end word and hyphening. If a word at the end of a line exceeds the area of display or printing, the word is automatically transferred to a next line, but a part of the word that can be returned to the end of the original line is identified, and the operator is rendered possible to insert a hyphen after that part. Upon insertion of the hyphen, the above-mentioned part is returned to the end of the original line, and the remaining part of the word is displayed on the next line. In this manner the hyphening of line-­end word is made easy on the display, and the print can be obtained in the form as displayed.
Patent EP-0323102-A2 (EP)
Inventor: SHIBA TAKAHUMI C O PIONEER ELE
IPC: G11B20/04
Filed: 1988-12-19
Abstract: A recording medium (e.g. compact disk) reproduction device with an automatic volume control (7,10), retrieves the current reproducing level in response to a reproducing level memory command and maintains this in memory in a location corresponding to discriminating information for a given recording medium. During reproduction the stored reproduction level corresponding to a given recording medium to be played is read out and set based on the discriminating information.
Patent EP-0300953-A2 (EP)
Inventor: PLESCHIUTSCHNIGG FRITZ-PETER D
IPC: B22D11/04
Filed: 1988-06-24
Abstract: The invention relates to a continuous casting mould for manufacturing thin strands in slabbing size, with two opposite longitudinal walls, corresponding over at least part of the height of the mould to the longer cross-sectional sides of the strand to be cast, and two transverse walls approximately parallel to one another. 
<??>In order to create a mould of this kind, in particular in the dimension range of 40 to 90 mm x 400 to 200 mm, which guarantees minimum deformation of the strand shell within the continuous casting mould, likewise permits the use of an immersion nozzle and makes available the maximum amount of space for the immersion nozzle in the charging region of the continuous casting mould, it is proposed according to the invention that the longitudinal walls (8, 9) should be curved essentially in parallel in the lower region of the continuous casting mould (1) and form one portion (8', 9') of the mould and that, in the upper region, at least one of the longitudinal walls should merge tangentially into a straight portion (8'', 9'') which widens the charging cross-section. 
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Patent EP-0327084-A2 (EP)
Inventor: BLACKMAN ROBERT JEROME C O EAS
IPC: G03D3/08
Filed: 1989-02-02
Abstract: An improved photographic film processing apparatus is generally of the type wherein an upright processing rack (35) is located within a processing tank (1) adapted to contain a processing liquid for treating the emulsion side of a filmstrip (F), wherein a timing belt (21) is moved through a vertical guide slot (19) for advancement along the rack to draw successive sections of the filmstrip through a vertical processing channel (13) within the tank, and wherein a plurality of liquid distribution openings (91) to the processing channel direct the processing liquid against the emulsion side of a film section in the processing channel. 
     According to the invention, the tank (1) has respective integral portions (15, 9) shaped to define a first vertical side (17) of the guide slot (19) for the timing belt (21) and to define a first vertical side (11) of the processing channel (13) for the filmstrip (F). The rack (35) has respective integral portions (47, 43) shaped to define a second vertical side (49) of the guide slot (19), opposite the first vertical side (17) of the guide slot, and to define a second vertical side (45) of the processing channel (13), opposite the first vertical side (11) of the processing channel. The integral portion (43) of the rack (35) which defines the second vertical side (45) of the processing channel (13) includes the plurality of liquid distribution openings (91) to the processing channel. This arrangement provides a relatively simple, compact assembly.
Patent EP-0333070-A2 (EP)
Inventor: FLETCHER ERIC
IPC: G01D5/243
Filed: 1989-03-10
Abstract: According to this method: a. the value of the two trigonometric signals is sampled at the crests of a carrier frequency, b. the corresponding angle is determined from these signals through an analog/digital conversion by successive approximations, c. during a first phase of the conversion, the two first bits of this digitised angle are determined by detecting the polarities of the sine signal and of the cosine signal, d. during a second phase of this conversion, the third bit of this digitised angle is determined by comparing the absolute values of the sine and cosine signals, e. the largest value of this comparison is used as a reference for the analog/digital converter and the smallest value of this comparison as the input signal for this converter, f. with the aid of the third binary bit of the digitised angle, the nonlinear, tangent or cotangent function, used in inverse mode to determine the fourth to nth bits, is determined, g. the first three pure binary bits obtained by the first and second comparison phases are transformed into a Gray code with inversion of the highest order bit with each half-period of the carrier frequency, h. with the aid of the first three pure binary bits from the conversion of the digitised angle after transforming them into a Gray code, the octant of the angle to be determined is determined, i. during a third phase of the conversion, the fourth to nth bits of the digitised angle to be measured are determined through a nonlinear conversion weighted by the trigonometric function defined by the third bit of the conversion, j. the binary words, (all 0) or (all 1), required in the first two conversion phases for the determination of the polarity of the bits and in the third phase of the conversion for the determination of the trigonometric function used, are generated as a function of the positive or negative crests of the carrier frequency.
Patent EP-0335292-A2 (EP)
Inventor: ALLEN RICHARD C
IPC: A61P25/04
Filed: 1989-03-25
Abstract: The present invention relates to compounds of the formula I
      wherein R¹ is hydrogen, loweralkyl, loweralkylcarbonyl, loweralkylaminocarbonyl, cycloalkylaminocarbonyl, loweralkoxycarbonyl, aryloxycarbonyl, or arylaminocarbonyl; R² and R³ are independently hydrogen, loweralkyl, cycloalkylloweralkyl, arylloweralkyl, or loweralkenyl; R⁴ and R⁵ are independently hydrogen or loweralkyl; Y is halogen, loweralkyl, nitro, amino, loweralkylcarbonylamino, arylcarbonylamino, formyl or loweralkylaminocarbonyl; and n is an integer having a value of zero or 1; the geometrical isomers, optical antipodes or pharmaceutically acceptable acid addition salts thereof, and to a process for their preparation. 
     The compound have analgesic acetivities, and can, there­fore, be used as medicaments.
Patent EP-0337468-A2 (EP)
Inventor: GELLERT JOBST ULRICH
IPC: B23P15/00
Filed: 1989-04-13
Abstract: This invention relates to an injection molding nozzle (10) having an improved heating element (76) configuration in the tapered nose portion (26, 30) and a method of making it. A longitudinal portion (78) of the heating element (76) which is integrally brazed centrally into the nose portion (26) is bent back upon itself at least once to provide a multiple thickness part (100). The type and length of the multiple thickness part (100) which is selected to provide additional heat depends upon the application which the nozzle (10) is to be used for. The multiple thickness part (100) of the heating element (76) is swaged to provide a more circular cross-section before being brazed into a larger diameter part (98) of the heating element bore (96) through the nose portion (26) of the nozzle (10).
Patent EP-0347669-A2 (EP)
Inventor: ECKEL THOMAS DR
IPC: C08G75/23
Filed: 1989-06-09
Abstract: The present invention relates to a process for the preparation of high-molecular-weight, aromatic polyether sulphones from diphenols and dihaloaryl compounds which is characterised in that N-alkylated acid amides are employed as solvent and at the same time the water produced during the reaction is removed azeotropically.
Patent EP-0357015-A2 (EP)
Inventor: HERMANN MANFRED P DR
IPC: B01D25/168
Filed: 1989-08-30
Abstract: A membrane filter plate for filter presses includes either a membrane holding frame or plate having dovetailed recesses; at least one membrane having an associated covering frame; each membrane and covering frame combination having an associated filter cloth and each membrane edge having a dovetailed-shaped projection which engages in corresponding dovetailed recesses of the membrane holding frame or plate wherein each membrane edge is provided with a flute in the dovetailed-shaped projection and the covering frame is provided with a projection at locations corresponding to the flute which engages with the flute.
Patent EP-0359253-A2 (EP)
Inventor: SWEETLAND ROGER D
IPC: H01F7/16
Filed: 1989-09-14
Abstract: A protective boot formed of a resilient elastomeric material is provided having a housing with an opening therein through which the reciprocating shaft of a solenoid or like device projects with the shaft being axially movable relative to the housing of the solenoid through a stroke of a predetermined length from an extended position to a retracted position. The protective boot includes a first ring portion sealingly fixed to the housing about the opening and, a second ring portion sealingly fixed to and reciprocatable with the shaft. The body portion of the boot forms a fluid chamber about the shaft between the first and second ring portions, with the body portion comprising at least one pair of truncated conical sections each being integrally formed at their narrow portion with a respective one of the ring portions and an intermediate portion integrally formed between the widened portions of the conical sections. The conical sections and the intermediate sections are provided with axial convolutions, ribs, or both for maintaining the conical sections and the intermediate portion axially rigid during movement of the shaft between the extended position and the retracted position. These convolutions or ribs also permit the conical sections and the intermediate portion to circumferentially expand and retract during movement of the shaft between its extended position and its retracted position to maintain an essentially constant volume within the fluid chamber.
Patent EP-0325404-A2 (EP)
Inventor: KOBAYASHI HIDEKI
IPC: G01N33/543
Filed: 1989-01-17
Abstract: A method of immobilizing physiologically active substances on an inorganic support, comprising treating an inorganic support with an aminoalkylalkoxysilane having the general formula 
(RO)₃SiCH₂CH₂CH₂NH(CH₂) n NH₂ 
wherein, R is an alkyl group having 1 to 4 carbon atoms, and  n  is an integer having a value of 5 to 12, and chemically bonding said physiologically active substance by means of an amino group to said support.
Patent EP-0337595-A2 (EP)
Inventor: FREIDIN PHILIP
IPC: G06F1/22
Filed: 1989-02-14
Abstract: A terminal pin (28) of an integrated circuit can be controlled in three ways to function as an input or an output pin. A logic circuit (16, 20, 23, 26) permits the pin to be synchronously enabled as an output terminal under software control. The circuit also permits the pin to be asynchronously enabled as an output terminal under control of a signal applied to another pin of the integrated circuit. The circuit also permits continuous control of the terminal as an input pin. Maskable bits stored in registers (18, 22) and configuration bits stored in register (25) affords additional flexibility in establishing which of the three ways the terminal pin will be controlled.
Patent EP-0341841-A2 (EP)
Inventor: BUCH BRUCE D
IPC: G06F3/00
Filed: 1989-04-17
Abstract: A means and method for optimizing bus utilization is disclosed. In addition to traditional computer system components, one or more latch circuits are coupled to a computer data bus. The latch circuits latch data states on the data bus after the bus has been driven to a desired state by a system driver node. Tri-state drivers are preferred. Once a data state has been latched, the associated driver may be disabled without affecting the data state on the bus. The data state may then be sampled at any time, and the integrity of the data state is preserved, until a new data state is driven onto the bus by a driver node. The latch circuit parameters allow any system driver to readily overcome the latch action, yet preserve the driven data state as logically valid until it is overwritten. Data sampling from the bus is restricted solely during driver enable periods. Bus utilization is optimized without undue sacrifices in system power requirements.
Patent EP-0339920-A2 (EP)
Inventor: NAGASAKA MORITOSHI
IPC: H05H1/28
Filed: 1989-04-25
Abstract: A plasma arc working apparatus of water cooling type provides a circulation system (1) for circulating cooling water through a circulation passage (14, 15) in order to cool a working plasma arc torch (5) and an introduction device (302) for introducing pressurized gas into the circulation passage in order to drain the cooling water remaining in the circulation passage forcibly therefrom, when the power switch (7) for supplying electric power to the working apparatus is switched off.
Patent EP-0339968-A2 (EP)
Inventor: SWINDELL HAROLD VICTOR
IPC: H01C10/14
Filed: 1989-04-26
Abstract: In a process for the production of a rotary electrical potentiometer, a spindle means is provided initially in the form of a first part (10), which is adapted to be rotated by means external to a housing (1A, 1B), and a second part (11) to which is secured a wiper (15) which traverses a resistance track (2). The first and second parts (10, 11) of the spindle are mutually engageable such that one part is rotatable about the other. Relative rotation is effected between the parts (10, 11) such that with the first part (10) in a predetermined position of rotation relative to the housing (1A, 1B), the wiper (15) secured to the second part is arranged to be in a required position with respect to the resistance track (2). The two parts (10, 11), which suitably comprise a thermoplastics material are then secured together against further mutual rotation, e.g. using ultrasonic welding or heat sealing techniques.
Patent EP-0354651-A2 (EP)
Inventor: NAGAO YUJI
IPC: G07F17/34
Filed: 1989-06-22
Abstract: The present invention provides a slot machine for determining winning or losing by selecting predetermined symbols from symbol trains arranged on X reels, in accordance with a random number, in which the X reels have symbol trains of different numbers of symbols arranged thereon.
Patent EP-0368639-A2 (EP)
Inventor: BROWN CHARLES JEREMY
IPC: G02B6/00
Filed: 1989-11-08
Abstract: A cable anchorage for anchoring a submarine cable strength member comprises conically tapered parts (2,4,5), at least one of which has a surface (2C, 4B) roughened by tungsten carbide grit evenly distributed and firmly bonded thereto prior to assembly of the parts. The grit size is chosen so that a sufficient locking mechanism is achieved but the grit indentations in the wire are not deep enough to weaken the wires (3B, 3C). 
     An embodiment describes contra-wound wires and an intermediate insert (5) which can be omitted if only one layer of wires is being anchored.
Patent EP-0398012-A2 (EP)
Inventor: MAYER GUENTER
IPC: F15B15/28
Filed: 1990-04-05
Abstract: In a pneumatic or hydraulic working cylinder (10), an inductive sensor (20) is arranged in one of the cylinder heads (11, 12). The piston (14) has a disc (15) made of electrically conductive material, so that the distance s between the piston (14) and sensor (20) can be continuously determined. Continuous measurement of the motion of the piston (14) is possible because of the damping of the coil of the sensor (20). It is also possible to set specific prescribed threshold values with the aid of setting screws (22) and an evaluation circuit (21). This results in the possibility of particularly simple and exact monitoring of the piston position both at specific points and continuously over the entire working range. <IMAGE>
Patent EP-0405112-A2 (EP)
Inventor: KUHN SIEGFRIED ING-GRAD
IPC: B23Q1/01
Filed: 1990-05-15
Abstract: The invention relates to a machine tool with at least one tool movable at least in the X-direction, a headstock for fastening and driving the workpiece, and a tailstock as a counterstay, as well as at least two guides in the Z-direction on the bed of the machine tool, on which guides the tailstock and possibly the headstock can be displaced, one guide being fixed in the X-direction and the other one being free. In order to ensure that the unavoidable thermal expansion of the linearly movable components of the machine tool leads to the least possible dimensional deviations of the workpieces to be machined, this machine is designed in such a way that the first guide, fixed in the X-direction, consists of at least two guide surfaces lying at an angle to one another, the second guide, free in the X-direction, has at least one guide surface which is parallel to one of the two guide surfaces of the first guide, and the Y-axis forms an angle of  alpha 1 with the connecting line between the workpiece centre and the prismatic first guide, fixed with regard to the X-direction, which angle  alpha 1 is equal to an angle  alpha 2 which is present between the sliding plane of the second guide, free in the X-direction, and the connecting line between the first and second guide. <IMAGE>
Patent EP-0406692-A2 (EP)
Inventor: SHTARKMAN EMIL MEYER
IPC: F16D37/02
Filed: 1990-06-27
Abstract: A rheological fluid composition which is responsive to a magnetic field. The composition comprises magnetizable insulated, reduced carbonyl iron particles, a vehicle and a dispersant. The dispersant comprises fibrous carbon particles.
Patent EP-0410489-A2 (EP)
Inventor: TAKASHIMIZU SATORU HITACHI-KEI
IPC: H04N9/79
Filed: 1990-07-27
Abstract: A multi-mode display device is made integral with a multi-mode video signal recording and play-back device to enable a control circuit (3) and a control signal to be made common to each other. With this arrangement the circuit size can be reduced and at the same time the circuit configuration can be simplified. In addition, the operation of a circuit not related with the play-back signal is controlled or stopped by using a common control circuit (3) and then the power consumption can be reduced.
Patent EP-0418543-A2 (EP)
Inventor: EIDMANN FRITZ JUERGEN
IPC: F24F13/072
Filed: 1990-08-10
Abstract: The air blowing device has alternately arranged air outflow openings consisting of opposite inward formations and outward formations on the inside of both rail sides. The outward formations are designed as replaceable pieces to be built in and can be inserted in corresponding installation recesses of both rail sides. In this manner, it is possible, by means of the variable design of the formations, to bring about different air outflow cross-sections and air outflow angles or directions, so that optimum incoming air supply is guaranteed. Moreover, the formations can have grooves dividing them with arc-shaped runout towards the respective outflow opening, so that twisting of the air jets is achieved. <IMAGE>
Patent EP-0433596-A2 (EP)
Inventor: NOHSE DIETER GRUNDIG E M V
IPC: H04H20/00
Filed: 1990-10-16
Abstract: 2.1 When in mobile radio receivers which can receive RDS data the received quality drops below a certain limit, all alternative frequencies are first checked for their receive quality and if no receivable alternative frequency is found, a search run is started. In the case of disturbances which affect the entire frequency band as is the case, for example, in a tunnel or in an underground garage, such a transmitter search run is unwanted, as a rule, and should be suppressed if possible. 2.2 The unwanted transmitter search run is suppressed in that a fast unnoticeable search run is started before the transmitter search run, in which it is determined whether the entire frequency band is disturbed. If this is so, the frequency last received undisturbed is set and the transmitter search run is cancelled. The fast search run is repeated after a predeterminable time until transmitters can be received again. 2.3 Mobile radio receivers which are suitable for receiving RDS data.   <IMAGE>
Patent EP-0394072-A2 (EP)
Inventor: KATOH HIROAKI
IPC: G02B26/12
Filed: 1990-04-20
Abstract: A rotary reflecting device (18; 32), for use in optical scanning apparatus, of the type being rotatable about an axis of rotation therethrough and having a plurality of reflectors (20; 38) positioned at respective different angular locations around that axis, is characterised in that each of the said reflectors (20; 38) has two mutually-adjacent substantially planar reflecting faces (20a, 20b; 38a, 38b) which meet in a line (21) of intersection that is inclined with respect to the said axis of rotation, and in that the respective said lines (21) of intersection of adjacent reflectors (20; 38) of the device are inclined respectively at different angles (ϑ₁) with respect to the said axis of rotation. 
     The use of such a rotary reflecting device in optical scanning apparatus, for reading bar codes for example, can enable a satisfactory scanning pattern to be produced without the need for additional, and/or comparatively large, components such as are required in prior art optical scanning apparatus, thereby permitting a reduction in the overall size and cost of the apparatus.
Patent EP-0399824-A2 (EP)
Inventor: SASAKI ASAO C O FUJI JUKOGYO K
IPC: F01M11/12
Filed: 1990-05-24
Abstract: Conventional electrical resistance fluid level sensors have a sensor unit and a remotely mounted detector circuit connected by a wire along which signals are transmitted between the sensor unit and the detector. In consequence the sensor is vulnerable to interference. 
     Accordingly an electrical resistance oil level sensor is proposed having a cylindrical hollow sensor body (1) and a elongate inner electrode (4) provided in the sensor body (1) spaced from the inner wall of the sensor body (1). The sensor body (1) and the inner electrode (4) are made of conductive resin including carbon particles. An oil level detector circuit is provided in the sensor body.