baber/WOPTO huggingface dataset:
Patent CA-2317611-A1 (CA)
Title: Method and apparatus for performing targeted interference suppression
Inventor: KLEIDER JOHN ERIC
IPC: H04L27/00
Filed: 1999-01-04
Abstract: The invention relates to a communication system (300) having a receiver (304) that is capable of performing targeted interference suppression. An interference classifier (314) within the receiver (304) analyzes a signal received from a channel (306) and identifies and classifies interference components within the signal. An interference suppressor (316) then suppresses the interference components in the signal based on interference type. In one embodiment, the interference suppressor (316) includes a plurality of interference suppression modules that are each optimal for suppressing certain interference types. The interference suppressor (316) selects one of the interference suppression modules based on the type of interference present in the received signal. In another embodiment, a hybrid interference mitigation system (10) is provided by combining targeted interference suppression, frequency hopping adaptation, and processing gain adaptation.
Patent CA-2318530-A1 (CA)
Title: Method and devices related to features or feature agent and method of controlling process flow between features
Inventor: KARLSSON HAKAN
IPC: H04Q3/00
Filed: 1999-01-08
Abstract: The present invention relates to a feature agent (20), a central control unit in an exchange in a telecommunication network, an exchange and a telephone network all comprising such a feature agent, a computer program product for realizing such a feature agent as well as a method of controlling the process flow between and through a number of features (22, 24, 26) subscribing to a certain event. The feature agent receives, in an event receiver (30), the event, selects, in a selector (32) and from an encountered control point of the process flow, a feature (22) having the highest priority from a list (list1) comprising features of differing priorities subscribing to said event and to the combination of control points including at least the encountered control point and hands over control of the process flow to that feature for continuing the process flow in the selected feature.
Patent CA-2323516-A1 (CA)
Inventor: CROFT JAMES J III
IPC: F03B13/14
Filed: 1999-03-15
Abstract: A power transfer system for converting recurring wave movement within the ocean to electrical energy. The system comprises pressure sensing structure such as a pressure transducer (10) or combination movable magnet and coil (50), positioned below water level and at a location (20) of wave movement for (i) registering changes in height of water (18 and 19) above the pressure sensing structure (10, 50) and (ii) providing electrical power output corresponding to changes in gravity force associated with the changes in the height of water. A transfer medium (12) is coupled at one end to the pressure sensing structure and extends at a second end to a shore location. A power receiving device such as a bank of storage batteries (14) or electrical load is coupled to the transfer medium at the shore location for receiving the power output from the transfer medium and for processing the power for use.
Patent CA-2324482-A1 (CA)
Inventor: HILDEBRAND DAVID GORDON
IPC: A47K10/38
Filed: 2000-11-06
Abstract: ABSTRACT        IN A HOLDER FOR ROLLED PAPER PRODUCTS, IT IS KNOWN TO HAVE A      CENTER ROD TO HOLD THE ROLL AND A TEAR ROD SET OFF TO THE SIDE     OUTSIDE OF THE ROLL DIAMETER TO TEAR THE DISPENSED PAPER      AGAINST.    IN THIS INVENTION THE TEAR ROD IS MOUNTED ON A DISC THAT      ROTATES THE TEAR ROD TOWARD THE CENTER OF THE ROLL. THE TEAR      ROD KEEPS TENSION ON THE ROLL ACTING AS A BRAKE ON THE ROLL AND      WHEN PAPER IS TORN, PLACES MORE PRESSURE AGAINST THE ROLL.
Patent CA-2324547-A1 (CA)
Inventor: BURGESON JOHN R
IPC: A01M31/00
Filed: 2000-10-26
Abstract: A reusable hanging container and scent wick for attracting big game has a closed end with hanging means for supporting the container above the ground. An opening into the container is located on the bottom of the container with a cap to sealably close the container. A scent wick for receiving and disbursing a big game scent is sized to fit within the container to permit the sealing of the container with a cap. The scent wick is shaped to permit a substantial portion of the wick to fall out of the container to expose the scent wick while the container above protects the wick from falling moisture.
Patent CA-2326207-A1 (CA)
Title: Providing quality of service guarantees to virtual hosts
Inventor: GOYAL PAWAN
IPC: G06F15/00
Filed: 2000-11-17
Abstract: A method facilitates providing appropriate quality of service guarantees to a plurality of virtual hosts on a single physical host computer. A server application program and its child processes service communication requests made to the plurality of virtual hosts. Quality of service parameters associated with the virtual hosts are stored. Communication requests made to a specific one the virtual host are detected.  The quality of service parameters associated with the specific virtual host are obtained.  Operating system resources are utilized to guarantee, to a child process of the server application program, a quality of service according to the obtained quality of service parameters associated with the virtual host. Communication between the virtual host and the client is allowed to proceed, the communication being managed by the child process.
Patent CA-2327539-A1 (CA)
Inventor: HASH STEPHEN M
IPC: A61P31/04
Filed: 1999-04-30
Abstract: The present invention provides isolated and purified DNA encoding feline CD80 (B7-1) ligand, feline CD86 (B7-2) ligand, feline CD28 receptor, or feline CTLA-4 (CD152) receptor, as well as vectors comprising nucleic acid encoding feline CD80, feline CD86, feline CD28, or feline CTLA-4. The present invention provides host cells transformed with CD80-encoding vectors, CD86-encoding vectors, CD28-encoding vectors, or CTLA-4-encoding vectors. The invention provides polypeptides encoded by the nucleic acid of feline CD80, feline CD86, feline CD28, or feline CTLA-4. The present invention provides a vaccine comprising an effective amount of polypeptides encoded by the nucleic acid of feline CD80, feline CD86, feline CD28, or feline CTLA-4. The present invention also provides vaccines which further comprise immunogens derived from pathogens. The invention provides for vaccines capable of enhancing an immune response. The invention also provides for vaccines capable of suppressing an immune response.
Patent CA-2330894-A1 (CA)
Inventor: ZHAO YUE
IPC: G02F1/137
Filed: 2001-01-12
Abstract: The invention is a technique that uses reactive diacrylate monomers carrying azobenzene groups to accomplish both the induction and the stabilization of a long-range, uniaxial molecular orientation of ferroelectric liquid crystals (FLCs) in the absence of rubbed surfaces. The process consists in dissolving 5-10 wt% of an azobenzene diacrylate monomer in a FLC host, and polymerizing the monomer while irradiating the mixture with linearly polarized light. The mechanism involves the formation of an optically induced anisotropic azobenzene polymer network that, in turn, induces and locks in the FLC orientation. Both thermal and photopolymerization can be used. In the former case, the polymerization can be carried out in either the isotropic or the nematic phase of the FLC host; while in the latter case, it can be proceeded in all phases. The irradiation is generally turned off after polymerization, but if the polymerization is performed in the isotropic phase, it should be turned off after cooling the sample into one of the liquid crystalline phases of the FLC host. The stabilization of the aligned chiral smectic-C phase is characterized by the recoverable long-range molecular orientation when cooled from the isotropic phase.
Patent CA-2332369-A1 (CA)
Inventor: FLEISCHER WOLFGANG
IPC: A61K31/47
Filed: 1999-05-27
Abstract: A drug delivery system comprising a tightly compacted solid medicament stock having an essentially isotropic solid state structure comprising an active agent and which stock is suitable for the generation of inhalable particles containing said active agent, wherein the tightly compacted solid medicament stock comprises at least one active agent which is associated with a particulate carrier material, especially comprising liposomes.
Patent CA-2333356-A1 (CA)
Title: Method for sequential injection of liquid samples for radioisotope separations
Inventor: EGOROV OLEG B
IPC: G21G4/00
Filed: 1999-05-26
Abstract: The present invention is a method of separating a short-lived daughter isotope from a longer lived parent isotope, with recovery of the parent isotope for further use. Using a system with a bi-directional pump and one or more valves, a solution of the parent isotope is processed to generate two separate solutions, one of which contains the daughter isotope, from which the parent has been removed with a high decontamination factor, and the other solution contains the recovered parent isotope. The process can be repeated on this solution of the parent isotope. The system with the fluid drive and one or more valves is controlled by a program on a microprocessor executing a series of steps to accomplish the operation. In one approach, the cow solution is passed through a separation medium that selectively retains the desired daughter isotope, while the parent isotope and the matrix pass through the medium.  After washing this medium, the daughter is released from the separation medium using another solution. With the automated generator of the present invention, all solution handling steps necessary to perform a daughter/parent radionuclide separation, e.g. Bi-213 from Ac-225 "cow" solution, are performed in a consistent, enclosed, and remotely operated format.  Operator exposure and spread of contamination are greatly minimized compared to the manual generator procedure described in U.S.  patent application 08/789,973 herein incorporated by reference. Using (16) mCi of Ac-225, there was no detectable external contamination of the instrument components.
Patent CA-2334306-A1 (CA)
Title: High productivity whole tree harvesting method and system
Inventor: OSTLIE L DAVID
IPC: A01G23/081
Filed: 1999-06-08
Abstract: A tree harvester for continuously cutting and accumulating trees and a method for using such a harvester is disclosed. The harvester has a frame with a cutting area and a large elongate accumulation area. A tree severing device is secured to one end of the frame and a continuous rail having accumulating arms secured to its extends from the cutting area to the rear portion of the accumulation area. The arms are equally spaced apart from each other along the rail, with each arm traveling in a continuous circuit along the rail such that it moves from the cutting area to the accumulation area. During use, the harvester is aligned with a row of trees to be cut. As the first tree is cut by the severing device, an accumulating arm is positioned behind the tree and moves it to the rear most available portion of the accumulation area. As the harvester travels down the row of trees, each tree in the row is cut and moved to the rear most available portion of the accumulation area. In a preferred embodiment, the harvester is self-propelled, has a curfless cutter, and travels forward along the row of trees to be cut at the same speed as the arms travel around the circuit.
Patent CA-2334764-A1 (CA)
Title: Pulse control in laser systems
Inventor: SMART DONALD V
IPC: B23K26/06
Filed: 1999-06-02
Abstract: A pulsed laser system includes a laser pump (14), a laser rod (12), a reflector (18) interposed between the laser pump and the laser rod, through which energy from the laser pump enters the laser rod, an output reflector (28) through which energy is emitted from the laser rod, a switch (20) interposed between the laser rod and the output reflector, and a control device. The control device allows a primary laser pulse emitted from the las er rod during the emission period to impinge on a workpiece and blocks from the  workpiece secondary laser emission occurring during the emission period afte r emission of the primary pulse. The pulsed laser system is operated over a range of repetition rates, so as to cause laser energy emitted during plural  emission periods at each repetition rate. A portion of the laser energy emitted is directed toward the target structure.
Patent CA-2336949-A1 (CA)
Title: Tent construction and method for manufacturing this tent construction
Inventor: HOLTKAMP EGBERT BEREND
IPC: E04H15/16
Filed: 1999-07-12
Abstract: Method for manufacturing a tent construction having at least one panel manufactured from suitable cloth, and tent construction manufactured utilizing the method. A basic panel is manufactured from a material of desired properties and is provided with one or more covering panels or waterproof material that form part of the outer wall of the tent construction. The basic panel may consist of relatively narrow edges of durable material or of an entirely or partially closed panel of open, breathing material.
Patent CA-2338559-A1 (CA)
Inventor: KANERVO ANTTI
IPC: H01P7/04
Filed: 1999-08-26
Abstract: The present invention relates to a modified coaxial cavity resonator and a filter utilising such resonators. The cavity resonator is provided with a cavity wall (203, 204, 205), which includes on its inside at least one conductive body (201, 301, 401), which body forms an open-circuit at one end and is longitudinally, substantially shorter than a normal quarter-wave resonator. The conductive body (201, 301, 401) includes a main conductive rod (206, 405), which is in one end (209, 407) attached to the cavity wall, and at least one additional conductive protruding means (207, 302, 402, 403), such as a rod, substantially perpendicularly attached to the free end (208, 406) of the main rod (206, 405). The cross-sectional diameter of the additional rod is 0,5 to 2 times the cross-sectional diameter of the main rod (206, 405), and preferably approximately the same as the cross-sectional diameter of the main rod. By attaching the additional rod (207, 302, 402, 403) the total physical length of the conductive body is not substantially shortened, but rather redirected in another direction.
Patent CA-2339398-A1 (CA)
Inventor: YOSHIWARA KIYOTAKA
IPC: B22D45/00
Filed: 2001-03-05
Abstract: A casting method includes the steps of cooling a molten metal to form a metal slurry containing a solid phase, cooling the metal slurry to form a solid metal material and heating the metal material to a semi-melted metal material and supplying it into a mold. A casting apparatus includes a first device for cooling a molten metal to form a metal slurry containing a solid phase and a second device for cooling the metal slurry to form a solid metal material. The metal material is then heated to a semi-melted state and the resultant metal material is poured into a mold. A method for manufacturing a metal material being heated to a semi-melted state and then supplied into a mold, includes the steps of cooling a molten metal to form a metal slurry containing a solid phase and cooling the metal slurry to form a solid metal material. An apparatus for manufacturing a metal material being heated to a semi-melted state and then supplied into a mold, includes a first device for cooling a molten metal to form a metal slurry containing a solid phase and a second device for cooling the slurry to form a solid metal material.
Patent CA-2340800-A1 (CA)
Inventor: GUESDON ALAIN
IPC: A01M7/00
Filed: 2001-03-15
Abstract: The sprayer, consisting of a spray bar (6) with nozzles on a wheeled chassis (2, 3), has the bar connected to the chassis by a single quadrilateral hitching mechanism (12) set vertically and parallel to the lengthwise median plane of the chassis. The hitching mechanism, which can also be in the shape of a trapezium or parallelogram, has upper (13) and lower (14) arms connected to the chassis and spray bar by pivots (15, 16, 17, 18) and is adjusted by an actuator (19) with a power cylinder (20).
Patent CA-2344189-A1 (CA)
Inventor: HEKAL IHAB M
IPC: C08L77/00
Filed: 1999-09-17
Abstract: The present invention includes processes and resulting structures for producing a modified polymer (25) having interconnecting channels (45). The interconnecting channels (45) act as controlled transmission passages through the polymer. A hydrophilic agent (35) is blended into the polymer so that it is distributed within the polymer. In one embodiment, an absorbing material (30) is blended into the polymer so that the absorbing material is distributed within the product. The product is solidified so that the hydrophilic agent (35) forms passages (45) in the product through which a desired composition is communicable to the absorbing material (30) that is entrained within the product. The solidified product may be used to form a desired shaped article such as plug type inserts (55) and liners (70) for closed containers, or it may be formed into a film, sheet (75), bead, or pellet.
Patent CA-2345982-A1 (CA)
Inventor: BROWN SCOTT
IPC: B29C67/00
Filed: 1999-10-12
Abstract: Composite devices for tissue engineering are provided having a gradient of one or more of the following: materials, macroarchitecture, microarchitecture, or mechanical properties, which can be used to select or promote attachment of specific cell types on and in the devices prior to and/or after implantation.  In various embodiments, the gradient forms a transition zone in the device from a region composed of materials or having properties best suited for one type of tissue to a region composed of materials or having properties suited for a different type of tissue. The devices are made in a continuous process that imparts structural integrity as well as a unique gradient of materials in the architecture. The gradient may relate to the materials, the macroarchitecture, the microarchitecture, the mechanical properties of the device, or several of these together. The devices disclosed herein typically are made using solid free form processes, especially three-dimensional printing process (3DPTM). The device can be manufactured in a single continuous process such that the transition from one form of tissue regeneration scaffold and the other form of tissue regeneration scaffold have no "seams" and are not subject to differential swelling along an axis once the device is implanted into physiological fluid.
Patent CA-2346503-A1 (CA)
Title: Showerhead
Inventor: CHEN JACKSON
IPC: B05B1/18
Filed: 2001-05-07
Abstract: A showerhead includes a housing and a face plate to confine a chamber therebetween. A plurality of spray nipples are mounted on the face plate. Each spray nipple includes a nozzle body and a securing sleeve member. The nozzle body is made of a deformable material, and includes a stem portion with a shank end fitted to a respective inner peripheral wall in the face plate, a tapered end extending outwardly of a front major wall of the face plate, and a shoulder portion formed at a juncture of the shank and tapered ends. An enlarged head portion is secured to the shank end opposite to the tapered end, and defines an abutment shoulder to abut against a rear major wall of the face plate. A spray passageway extends from the stem portion through the enlarged head portion. Thus, the tapered end is bendable relative to the front major wall such that particulate dirt will be bounced out of the spray passageway once the tapered end swings back to its original state.      The securing sleeve member is sleeved on the shank end, and abuts against the shoulder portion and the front major wall to cooperate with the abutment shoulder to clamp the face plate therebetween so as to secure the respective spray nipple to the face plate.
Patent CA-2346668-A1 (CA)
Inventor: MOHRSCHLADT RALF
IPC: C08G69/28
Filed: 1999-10-05
Abstract: The invention relates to the utilization of lactams, aminocarboxylic acids or the mixtures thereof as accelerator or co-catalyst in the production of polyamides from aminonitriles and water and to a corresponding production method.
Patent CA-2347566-A1 (CA)
Inventor: BOGAN DECLAN
IPC: A61L15/28
Filed: 2001-05-10
Abstract: The invention provides solid, porous, substantially insoluble composition comprising at least 25% by weight of an oxidized cellulose and having iron bonded thereto. The invention also provides a method of sequestering dissolved iron from an aqueous solution by contacting the solution with a porous, substantially insoluble solid containing at least 25% by weight of an oxidised cellulose. The selective iron-binding property of oxidized cellulose is used in the treatment of bacterial infections.
Patent CA-2348090-A1 (CA)
Title: Oral pulsed dose drug delivery system
Inventor: GUO XIAODI
IPC: A61P25/28
Filed: 1999-10-20
Abstract: A multiple pulsed dose drug delivery system for pharmaceutically active amphetamine salts, comprising an immediate-release component and an enteric delayed-release component wherein (1) the enteric release coating has a defined minimum thickness and/or (2) there is a protective layer between the pharmaceutically active amphetamine salt and the enteric release coating and/or (3) there is a protective layer over the enteric release coating. The product can be composed of either one or a number of beads in a dosage form, including either capsule, tablet, or sachet method for administering the beads.
Patent CA-2348278-A1 (CA)
Title: Variable pitch aircraft propeller control with two-speed transmission
Inventor: CARTER JAY W JR
IPC: B64D35/00
Filed: 2001-05-24
Abstract: A variable pitch aircraft propeller control uses a two-speed planetary gearbox between a turbine engine and an adjustable pitch propeller. For maximum efficiency, the rotation rate of the propeller is high at aircraft take-off to generate maximum static thrust. However, when at high altitude and at high speed, the propeller rotation rate is reduced to hold the vector sum of the aircraft forward speed and the propeller rotational tip speed at the speed that results in the highest efficiency for the propeller. The two-speed transmission supplies these two gear ratios. At takeoff and low altitude flight, a low gear ratio is used. At high altitude, a high gear ratio is used. The gear ratio may be manually selected by the pilot, or automatically changed by the propeller controller to obtain the best combined efficiency for the engine and the propeller.
Patent CA-2349050-A1 (CA)
Title: Collapsible compartment for a shopping cart
Inventor: NADEAU SERGE
IPC: B62B5/08
Filed: 2001-05-29
Abstract: The present invention relates to a collapsible compartment of a shopping cart. The collapsible compartment includes a swinging rear wall and fixed side walls of the shopping cart and a pivoting assembly. The pivoting assembly comprises a pivoting base wall having a first edge for pivot connection to the swinging rear wall and a second edge opposite the first edge. It further comprises a pivoting front wall having a first edge for pivot connection between the side walls of the shopping cart, and a second edge, opposite the first edge thereof, pivotally connected to the second edge of the pivoting base wall. The compartment further includes a pivoting panel assembly having a panel pivotable between a first position where the panel rests over the base wall and a second position where the panel is covering leg holes in the swinging rear wall, and an out of reach spring element to urge the panel in the second position.
Patent CA-2349273-A1 (CA)
Title: Projection method and projector device
Inventor: HARAYAMA ATSUSHI
IPC: G03B21/00
Filed: 2001-05-31
Abstract: A single polarizer projector with a color switch and a projection method thereof, wherein the mean luminance of the inputted video signal is calculated so that the transmittance of the color switch can be controlled by the mean luminance in such a fashion that the transmittance is set to a maximum (100%) while setting the same to a low level (50%), thereby preventing unnaturail blackening of relatively dark image for improving the contrast ratio.