baber/WOPTO huggingface dataset:
Patent CA-2343900-A1 (CA)
Title: Method for reference signal generation in the presence of frequency offsets in a communications station with spatial processing
Inventor: ROSENFELD DOV
IPC: H04B7/08
Filed: 1999-08-17
Abstract: A method for generating a reference signal from a modulated signal transmitted to a communications station that includes an array of antenna elements and spatial processing means including: separating from the signals received at the antenna elements a copy signal corresponding to the signal transmitted by a particular remote station using an initial spatial weight vector corresponding to the particular remote station; determining from the terminal copy signal a reference signal having substantially the same frequency offset and time alignment as the received antenna signals; and computing a new spatial weight vector by optimizing a cost function, the cost function using the received antenna signals and the reference signal. For demodulation, the method further includes extracting the symbols of the modulated signal.
Patent CA-2344647-A1 (CA)
Title: New derivatives of 6-(4-phenylbutoxy)hexylamine and process for producing salmeterol
Inventor: BESSA BELLMUNT JORDI
IPC: C07C217/10
Filed: 1999-09-20
Abstract: The present invention refers to new derivatives of the 6-(9-phenylbutoxy)hexylamine of the general formula (I):   (see formula I) wherein: ~ R1 is CHO or CHOR3OR4, where R3 and R4 independently are C1-C6 alkyl, aralkyl, or they form 5 or 6 membered cyclic acetals; and ~ R2 is H, benzyl or an alkyloxycarbonyl, aryloxy-carbonyl, aralkyloxycarbonyl or acyl group: and to a process for its obtention.        The invention also refers to a new process for obtaining Salmeterol or its pharmaceutically acceptable salts, characterised in that reaction of an organometallic compound of the general formula (13) is carried out in an inert solvent at low temperature with a synthetic intermediate of the general formula (I) , wherein R1 is CHO, and R2 is an alkyloxycarbonyl, aryloxycarbonyl, aralkyloxycarbonyl or acyl group.
Patent CA-2347046-A1 (CA)
Title: Method and system for the prevention of undesirable activities of executable objects
Inventor: ELGRESSY DORON
IPC: G06F21/12
Filed: 1999-10-13
Abstract: A method for preventing undesirable activities of Executable Objects via an application, comprising denying to the same application, or one or more of i ts threads, access to a secured resource if it has previously exhibited Interne t behavior and has not met a specific condition for accessing the resource, an d denying the application, or one or more of its threads, Internet behavior if , at the time access is sought, it is accessing a secured resource. Events whi ch are representative of Internet behavior are recorded in a memory. A record i s kept, so that all the resources that should kept secured and when an application that has previously exhibited Internet behavior attempts to acce ss one such secured resource, access to the secured resource is denied, unless at least a predetermined period of time has passed since the last Internet behavior, or it has performed at least a predetermined number of operations after exhibiting Internet behavior; or another preset condition has been fulfilled.
Patent CA-2347249-A1 (CA)
Title: Mutant plk protein and gene encoding the same
Inventor: OSADA HIROYUKI
IPC: C12N15/12
Filed: 2001-05-30
Abstract: A mutant Plk protein having a mutation in C-terminal domain thereof specified by amino acid residues of from 439 to 603 of amino acid sequence of wild-type Plk protein wherein said mutation decreases affinity with Hsp90 protein, and a gene encoding said mutant Plk protein are provided. A method for detecting an abnormal cell which comprises the step of detecting the mutant Plk protein or the gene encoding the protein is also provided.
Patent CA-2348474-A1 (CA)
Inventor: GLUCK ULRICH
IPC: A61P27/16
Filed: 1999-11-08
Abstract: The invention relates to an improved pharmaceutical substance as well as to an improved application device which is suitable for a more effective nasal administration of a substance.
Patent CA-2352379-A1 (CA)
Title: Optical router
Inventor: GRIPP JURGEN
IPC: H04B10/299
Filed: 2001-07-04
Abstract: An optical router is disclosed having at least one frequency router. The frequency router includes a plurality of input ports and a plurality of output ports. At least one input port, simultaneously receives at least two optical signals to be frequency routed, while at least one output port simultaneously presents at least two frequency routed optical signals. Each optical signal to be frequency routed is colored in response to destination information.
Patent CA-2356525-A1 (CA)
Inventor: CASTLE ROBERT W
IPC: F16K31/54
Filed: 2000-01-21
Abstract: A valve actuating device (20) for opening and closing a valve (22) is disclosed. The valve has a valve housing (28), a valve stem (48) attached to a valve member (50), the valve member being biased to an open position. The valve actuating device includes a bidirectional motor mounted on a housing (54), a pinion gear (66) and a rack (62) including a body having an end portion (74) which is engageable with the valve stem of the valve to maintain the valve stem in the closed position.
Patent CA-2356626-A1 (CA)
Title: Barbell and dumbbell safety spotting apparatus
Inventor: SLAWINSKI MICHAEL D
IPC: A63B21/078
Filed: 1999-11-23
Abstract: A barbell and dumbbell safety spotting apparatus (30) comprises a frame (32), two booms (54) pivotally mounted to and supported by the frame, two cables (72) respectively movably extending from the booms, two reciprocating drives (96) respectively operably connected to the cables to provide reciprocating movement of the cables, a rotary pawl clutch (116) operably connected to the drives to provide independent reciprocating movement of the cables and a lockable motor assembly (142) capable of selectively retracting and extending the cables. The cables are connectable to a barbell or dumbbells and retract and extend from the respective booms to provide reciprocating vertical movement of the weight assembly in free-weight fashion. The reciprocating drive comprises an endless chain (98) movably and operably extending about a rotatable sprocket gear (100) and a rotatable drive shaft (114) which is operably connected to the motor assembly. A counterweight (104) is mounted to the chain to maintain tension on the cable and assist in retracting the cable.  The cables are respectively mounted to the counterweights. Independent reciprocating movement of each reciprocating drive is provided by operably connecting the respective chain to the drive shaft by the rotary pawl clutch.  The rotary pawl clutch comprises a pawl base (118), at least one pawl (120) pivotally mounted to the pawl base, a solenoid (122) mounted to the pawl base and operably connected to the pawl to actuate the pawl, and a ratchet-sprocket gear (124) engagable with the pawl. The ratchet-sprocket gear has a ratchet wheel portion (134) and a sprocket portion (136). The pawl base is fixedly mounted to and rotates with the drive shaft. The ratchet-sprocket gear is rotatably mounted on the drive shaft with the ratchet wheel portion adjacent the pawl base and removably engages the respective pawl. Dumbbells are suspended from the respective cables by dumbbell clamps (160) removably attached thereto. Each dumbbell clamp has two spaced-apart plates (162) mounted to one another. Each plate has a notch (166) for receiving a grip (28) of the dumbbell. An elongated slot (168) intersects the notch, and a locking bar (170) is slidably secured therein. A spring (176) is disposed in each slot to bias the locking bar toward the notch to removably engage the grip.
Patent CA-2361787-A1 (CA)
Inventor: KAO TSAI-SHING
IPC: F16H35/10
Filed: 2001-11-09
Abstract: A damping transmission device for a motor has a transmission shaft (40) by which a connection of gears (20 and 30) can be driven by a motor (10). The transmission shaft (40) has a ring (50) and a washer (70) mounted therearound. A spring (60) is compressibly mounted around the transmission shaft (40), and mounted between the washer (70) and the ring (50) so as to absorb shock exerted onto the transmission shaft (40). The damping transmission device is able to provide a secure positioning and protect the motor (10) from undesirable rotation.
Patent CA-2362573-A1 (CA)
Title: Sterilization indicator for liquid peracetic acid procedures
Inventor: WOODSON LEWIS P
IPC: A61L2/28
Filed: 2000-01-20
Abstract: A sterilization indicator is useful for testing the effectiveness of sterilization procedures that disinfect objects by contacting them with a liquid sterilization procedure. The indicator includes an outer container having an open end and a cover material associated with the open end that is impermeable to liquids and bacteria. An enzyme-gel matrix is coated on a surface within the outer container that comprises a biologically inert polymeric gel and a source of an active enzyme dispersed within the gel. The enzyme has an activity that is correlated with the survival of at least one test microorganism that is commonly used to monitor the effectiveness of a sterilization procedure. A breakable ampoule within the outer container contains a substrate that is capable of reacting with any active enzyme remaining after the indicator has been subjected to a sterilization procedure to provide a detectable indication that the sterilization procedure was ineffective.
Patent CA-2362693-A1 (CA)
Inventor: BURNS DAVID H
IPC: C08F6/00
Filed: 2000-03-08
Abstract: A process and apparatus for passing a polymerization effluent, comprising solid polymer, unreacted monomer, diluent and minor amounts of contaminants, to a high pressure flash where most of the fluid components are flashed and wherein a slip stream comprising diluent and minor amounts of monomer is separated from the bulk of the flashed fluid components. The slip stream is subjected to olefin removal to give an essentially olefin-free stream for recycle to a catalyst mud preparation area. The bulk of the flashed fluid components are recycled directly back to the polymerization zone without expensive olefin removal, although treatment to remove other contaminants can optionally be performed. The polymer and entrained fluid is passed to a low pressure flash zone where the fluids are flashed off, compressed and joined with the flash from the high pressure flash tank.  Because the bulk of the fluids are removed in the high pressure flash, compression and cooling of product fluids prior to recycle is kept to a minimum.
Patent CA-2365395-A1 (CA)
Title: Default route coding
Inventor: BROWN DAVID A
IPC: H04L12/24
Filed: 2001-12-17
Abstract: A multi-level lookup table includes a plurality of search levels with each search level including a plurality of subtrees, each subtree representing a plurality of nodes. A search of the multi-level lookup table for an entry corresponding to a search key results in a value stored in an entry associated with the node in a subtree. A default value is associated with the root of the subtree. Multiple entries for the subtree can store the default value. To minimize route update time, the default value associated with the subtree is stored in a single location. Instead of storing the default value in multiple entries, each entry stores a use default indicator to indicate that the default value stored in the single location is to be used. To further reduce the number of locations to modify to update the default route, the single location can store an inherit indicator to indicate that the default value for the subtree is inherited from another subtree.
Patent CA-2366170-A1 (CA)
Title: Swirler burner
Inventor: PRIMDAHL IVAR IVARSEN
IPC: F23D14/24
Filed: 2001-12-27
Abstract: Swirling-flow burner with a burner tube comprising a central oxidiser supply tube and an outer concentric fuel supply tube, the oxidiser supply tube being provided with a concentric cylindrical guide body having static swirler blades and a central concentric cylindrical bore, the swirler blades extending from outer surface of the guide body to inner surface of oxidiser supply tube being concentrically arranged within space between the guide body and inner wall at lower portion of the oxidiser supply tube.
Patent CA-2366698-A1 (CA)
Inventor: OZIMEC JOHN
IPC: A47K10/38
Filed: 2002-01-08
Abstract: A multiple roll holder unit has a magazine in which rolls are stacked, and an associated roll holder having retaining arms moveable on opposite sides of a roll holding area. Actuation of a transfer mechanism having upper and lower cup members hinged at one side with each other causes a transfer of a lowermost one of the rolls in the magazine to the roll holding area as the retaining arms are retracted and set back following the motion of the cup members, releasing at the same time a depleted roll possibly held by the roll holder.
Patent CA-2369802-A1 (CA)
Inventor: BOUCHER JEAN-GUY
IPC: G01N15/06
Filed: 2002-01-29
Abstract: An apparatus for estimating the quantity of particles collected by a sucti on extractor includes a capturing element handling assembly including a pair of stationary plates disposed in a spaced relationship to define a gap therebetween, the stationary elements being provided with sets of main apertures disposed in alignment with each other to define a corresponding set of channels extendin g through the gap. A movable disk interposed within the gap is provided with a plurality of holders capable of receiving a plurality of filter-type particl e capturing elements. An actuator operatively coupled to the movable disk provides controlled movement thereof relative to the stationary plates. One of the main aperture s on the first stationary plate defines a first inlet in fluid communication with  an output fluid carrying line, while one aligned aperture on the second stationary pla te defines a first outlet for fluid communication with the output fluid carryin g line. The apparatus further includes an optical sensing device disposed in alignment with a secondary aperture provided on the first stationary element and extending therethrough to communicate with the gap, for inspecting a selected particle capturing element to generate a measurement signal representative of optical characteristics of the capturedparticles, and a data processor for analyzing  the measurement signal to generate an estimation of the quantity of particles captured by the selected element. A controller is operatively connected to the actuat or to selectively displace the movable disk from a capturing position to an inspection position in respect of a selected particle capturing element. There is provided a device for cleaning a previously inspected capturing element while the selected capturing element is in the capturing position.
Patent CA-2371000-A1 (CA)
Title: Accelerating the coloring of concrete and other substrates
Inventor: URBANEK THOMAS W
IPC: C04B41/70
Filed: 2002-02-07
Abstract: A method of treating a substrate that is exposed to the atmosphere, in which the substrate contains an oxidizable metal compound having a color and a development speed under atmospheric conditions, the method comprising the step of contacting the substrate with an oxidizer to increase the development speed of the color. The substrate may be natural, or manmade, such as a hydraulic material, for example concrete. The oxidizer is preferably free of chromates. The oxidizer is preferably applied to the substrate in an aqueous solution.
Patent CA-2371410-A1 (CA)
Inventor: VAN BEMMEL PETER P
IPC: G06F17/18
Filed: 2000-05-09
Abstract: A method is presented for generating a probability map, a cutoff map, and a confidence limit map in one single operation (16). The new method can also generate a cube representing a cubic volume of earth formation by using the same method for generating the aforementioned maps. This is accomplished by: gridding a cross section (22); Kriging the gridded cross section (24) thereby producing a plurality of expected values and a corresponding plurality of standard deviation; generating a plurality of probability density functions (26); integrating each of the probability density functions (28) thereby generating a plurality of cumulative distribution functions; choosing a value from each of the cumulative distribution functions (35) associated with each of the intersections of the gridded cross section; and assigning such value, and a unique color, to its associated intersection of the gridded cross section, thereby generating a map illustrating the characteristics of the cross section through the earth formation.
Patent CA-2376854-A1 (CA)
Title: Opto-electrical actuation system and method
Inventor: LEGGETT NIGEL DEREK
IPC: E21B47/12
Filed: 2000-06-09
Abstract: A selective optical actuation system for a plurality of electrical devices (20) comprises a variable pulse frequency pulsed light source (10) and an optical fibre network (12, 13, 14) distributing the light pulses to an actuation gateway for each device, comprising a photovoltaic converter (16) whose correspondingly pulsed electrical output is applied to a ferroelectric transformer (18). Only if the pulse frequency is within the resonant band for a given transformer will the voltage be raised above a threshold value rquired to actuate that device. Choice of light pulse frequency thereby determines the device(s) to be actuated.
Patent CA-2378153-A1 (CA)
Inventor: LIAN-HUI ZHANG
IPC: C12N1/19
Filed: 1999-11-17
Abstract: L'invention concerne une molécule isolée d'acide nucléique codant une protéine d'inactivation d'autoinducteur bactérien, la protéine codée et ses utilisations antibactériennes.
Patent CA-2380422-A1 (CA)
Title: Video image stabilization and registration
Inventor: MEYER PAUL J
IPC: H04N5/14
Filed: 2000-07-20
Abstract: A method of stabilizing and registering a video image in multiple video fields of a video sequence provides accurate determination of the image change in magnification (70), rotation (80) and translation (90) between video fields, so that the video fields may be accurately corrected for these changes in the image in the video sequence. In a described embodiment, a key area of a key video field is selected which contains an image which it is desired to stabilize in a video sequence. The key area is subdivided (30) into nested pixel blocks and the translation of each of the pixel blocks (60) from the key video field to a new video field is determined as a precursor to determining change in magnification, rotation and translation of the image from the key video field to the new video field.
Patent CA-2385837-A1 (CA)
Title: Diffusely-reflecting reversible electrochemical mirror
Inventor: CUNNINGHAM MICHAEL A
IPC: G02F1/1506
Filed: 2000-06-26
Abstract: A reversible electrochemical mirror device includes a substantially transparent first electrode (106) having a textured surface, and a second electrode (110) which may be distributed in localized areas. An electrolytic solution (112), disposed between the first and second electrodes, contains ions (116) of a metal which can electrodeposit on the electrodes. A negative electrical potential applied to the first electrode causes deposited metal to be dissolved from the second electrode into the electrolytic solution and to be electrodeposited from the solution onto the textured surface of the first electrode, thereby affecting the reflectivity of the device for electromagnetic radiation. Because of the textured surface, light striking the first electrode is diffusely reflected, making the device desirable for architectural and automotive glass applications. A surface modification layer (108) applied to the first electrode ensures that the electrodeposit is substantially uniform. A positive electrical potential applied to the first electrode causes deposited metal to be dissolved from the first electrode and electrodeposited from the solution onto the second electrode, thereby decreasing the reflection of radiation by the device.
Patent CA-2386178-A1 (CA)
Title: Valve relais modulee par pression de deux solenoides dotee d'une fonction de vidange rapide integrale
Inventor: ROSS CHARLES E
IPC: B60T8/50
Filed: 2000-09-29
Abstract: On obtient une performance améliorée dans un système de frein à air comprimé destiné à un véhicule en laissant s'échapper rapidement l'air d'un volume de commande (36) du piston de la valve relais (38'). Le mode de réalisation préféré concerne une valve de vidange rapide (78) dans le circuit d'air de commande permettant à la majorité d'air dans la cavité de commande de s'échapper directement dans l'air ambiant. L'orifice (72') à travers le solénoïde d'échappement (70') ne doit manipuler qu'un volume relativement petit d'air en amont de la valve de vidange rapide, par exemple, entre le diaphragme de vidange rapide (76) et le support du solénoïde d'entrée (80). On peut obtenir une performance améliorée par simple modification de la structure de la technique antérieure.
Patent CA-2389539-A1 (CA)
Title: Storage-stable prepregs on the basis of duroplastic, oleochemical matrices
Inventor: BEMMANN RALF
IPC: D06M15/55
Filed: 2000-10-21
Abstract: The aim of the invention is to obtain prepregs on the basis of duroplastic, oleochemical matrices that can be stored at room temperature. To this end, a fiber material that preferably contains natural fibers is contacted with a matrix material at temperatures of 40 to 80 ~C in the presence of a suitable catalyst and the fiber material impregnated with the matrix is cooled to temperatures of 30 ~C and less. The matrix material is chosen from a fatty substance with at least 12 C atoms that contains epoxide and/or hydroxyl groups, a cross-linking agent and a catalyst, and the matrix material has a Brookfield viscosity of 600 to 1400 MPa at temperatures of 40 to 80 ~C.
Patent CA-2389599-A1 (CA)
Title: Method and circuit for emphasizing contour
Inventor: MATSUNAGA SEIJI
IPC: H04N5/262
Filed: 2000-10-25
Abstract: More natural contour emphasizing processing is performed by detecting the direction of a contour with respect to a point where horizontal and vertical contours cross and a diagonal contour point. The times of an objective pixel and all the pixels adjacent to the objective pixel in the horizontal, vertical, diagonal directions are made to agree with one another, contour emphasis values weighted with respect to the brightness of the pixel that has the largest difference in brightness among the pixels adjacent in the directions and the brightness of the objective pixel are calculated and added to the objective pixel. In order to solve the problem in a diagonal contour point, if two weighted continuous contour emphasis values have the same signs, the before and after contour emphasis values are adopted, and otherwise, diagonal optimization that the before and after contour emphasis values are made zero is performed and they are added to the objective pixel. Thus, more natural contour emphasis is performed.
Patent CA-2389860-A1 (CA)
Title: Mitigation of coke deposits in refinery reactor units
Inventor: NAHAS NICHOLAS CHARLES
IPC: C10G9/32
Filed: 2000-10-20
Abstract: A method for mitigating the condensation of liquid hydrocarbons and subseque nt coke deposition in refinery reactor units by dew point suppression.
Patent CA-2390768-A1 (CA)
Title: Tunable dispersion compensator
Inventor: DUCELLIER THOMAS
IPC: H04B10/2513
Filed: 2002-06-14
Abstract: A chromatic dispersion compensator in a single-pass and a double-pass version is disclosed. In a single-pass version, the compensator has a diffractive grating for spatially separating an input optical signal into spatially spaced frequency components and a MEMS array of separate phase shifters, each for imparting an independent phase shift to a channel containing a range of the spatially spaced frequency components. In a double-pass version, a retroreflector is disposed to effect a double pass of the light beam through the grating and the phase shifters. The arrangement is effecting in reducing chromatic dispersion of the optical signal