baber/WOPTO huggingface dataset:
Patent CA-2209020-A1 (CA)
Inventor: HERNANDEZ FRANCISCO M
IPC: A61N5/10
Filed: 1997-06-26
Abstract: In a radiation emitting device, particularly in a radiation treatment device (2), the actual radiation delivered to an object (13) via a radiation beam (1) is adjusted dependent on various parameters. Jaws (100, 102, 104, 106) are arranged between a radiation source and an object (13) to provide opening (110). The radiation delivered to the object is a function of (i) opening (110) in jaws (100, 102, 104, 106), (ii) the position of the radiation source, and (iii) the output radiation from a radiation source. Calculations are performed to provide beam patterns (202-206). These beam patterns (202-206) provide the parameters needed for the desired radiation treatment.
Patent CA-2209351-A1 (CA)
Title: A network flow framework for online dynamic channel allocation
Inventor: SHIVAKUMAR NARAYANAN
IPC: H04W16/10
Filed: 1997-06-30
Abstract: The invention relates to a dynamic channel allocation system for a mobile communication system wherein mobile units communicate with the base station on allotted channels. The channel allocations are determined according to a framework of network flows including flow paths with nodes representing active mobile units, base stations and channels used for communication between active mobile units and their respective base stations. A new call from a mobile unit is added by finding the shortest available augmenting path for the added unit. The edges between nodes can include cost and capacity factors which can be used to determine desirable reconfigurations for the network.
Patent CA-2213443-A1 (CA)
Title: Insecticidal peptides from spider venom
Inventor: KRAL ROBERT M
IPC: A01N63/50
Filed: 1996-02-16
Abstract: This invention relates to the purification of a family of insecticidally effective peptides isolated from the spider, Calisoga sp., characterized by their neurotoxic effect on insect pest and low mammalian toxicity. The cDNA  sequences for three of these peptides have been isolated, and the complete coding sequence is provided. This invention also discloses methods for producing recombinant peptides, as well as methods of utilizing these peptides as insecticidal agents.
Patent CA-2213515-A1 (CA)
Title: Heat-sinking structures and electrical sockets for use therewith
Inventor: BEANE ALLAN F
IPC: H01R13/719
Filed: 1996-02-21
Abstract: A process of making a heat-sinking structure (5), which includes providing a mold (15) having cavities (12a) closed at one end and open at another end, the cavities (12a) corresponding to the heat dissipating surfaces on the heat-sinking structure (5), at least partially evacuating ambient gases from the cavities (12a), filling the mold (15) with molten material, and solidifying the same to form the heat-sinking structure (5). A combination structure of electromagnetic interference filter (130) and electrical socket assembly (128, 132) includes an electromagnetic interference filter (130), at least one terminal blade (118) passing through the electromagnetic interference filter (130), and a block of electrically insulating material (126). The terminal blade (118) provides an electrically conductive path and a connection mechanism configured to inter-fit with another electrical conductor. The electromagnetic filter (130) comprising the terminal blade (118) is molded into the electrically insulating material (126) to form an electrical socket (128, 132). The terminal blade (118) passes trough the electrically insulating material (126) and has exposed ends.
Patent CA-2215396-A1 (CA)
Title: A cleaning device and cleaning method
Inventor: FRITSCH JOSEPH FREDERICK
IPC: G11B7/12
Filed: 1996-03-14
Abstract: A cleaning device (1) for cleaning a lens (2) of a laser head (3) of a compact disc player comprises a carrier disc (5) which is substantially similar to a standard compact disc.    Cleaning brushes (14 and 15) are located on the carrier disc (5) on a face (6) thereof which, in use, faces the laser head (3) for cleaning the lens (2) as the carrier disc (5) rotates in the compact disc receiving location of the compact disc player. A non-reflective band (25) is printed on and extends around the outer periphery (12) of the carrier disc (5) for returning the laser head (3) from the outer periphery (12) of the carrier disc (5) to an inner periphery (11), so that as the laser head (3) cycles between the inner and outer peripheries (11 and 12) across the brusches (14 and 15), the brushes (14 and 15) engage the lens (2) in two different relative directions for cleaning thereof.
Patent CA-2216317-A1 (CA)
Title: Nurser liner
Inventor: FLECKNOE-BROWN ANTHONY E
IPC: B65D5/72
Filed: 1996-03-22
Abstract: There is provided a nurser liner that facilitates stacking and nesting of the liner while maximizing liner capacity. In particular, it permits a plurality of the liners (10) to be contained within a container (20) having limited internal space while allowing the liners (10) to denest properly and individually from the container (20). The nurser liner (10) includes a rim (30) that is located at one end of the liner (10) and a step (40) that is located a predetermined distance from the rim (30). In addition, the outer walls (28) of the liner (10) are slightly tapered inward from the rim (30).  The step (40) and the tapered outer walls (28) insure uniform spacings (66) between nested liners (10) for easy dispensing, optimal spacing between liners (10) and maximum liner capacity.
Patent CA-2217307-A1 (CA)
Title: Polymeric composition for dampproofing walls
Inventor: ROBERTS MICHAEL G JR
IPC: C09D125/04
Filed: 1997-09-29
Abstract: A dampproofing composition comprising from about 25 to about 80 parts by weight of a polymer based compound, from about 15 to about 70 parts by weight of a solvent, and from about 5 to about 60 parts by weight of a processing oil, to total about 100 parts by weight, wherein the solvent producesa substantially homogeneous solution.
Patent CA-2217581-A1 (CA)
Title: Bioremodelable prosthesis and methods of preparing and uses thereof
Inventor: CARR ROBERT M JR
IPC: A61F2/06
Filed: 1996-03-12
Abstract: This invention is directed to prosthesis, which, when implanted into a mammalian patient, serves as a functioning replacement for a body part, or tissue structure, and will undergo controlled biodegradation occurring concomitantly with bioremodeling by the patient's living cells. The prosthesis is treated so that it is rendered non-antigenic so as not to elicit a significant humoral immune response. The prosthesis of this invention, in its various embodiments, thus has dual properties. First, it functions as a substitute body part, and second, it functions as bioremodeling template for the ingrowth of host cells.
Patent CA-2218707-A1 (CA)
Title: Process for preparing 4-amino-1, 2, 4 triazole
Inventor: BOURDAUDUCQ PAUL
IPC: C07D249/08
Filed: 1997-11-06
Abstract: A process is claimed for the preparation of products of formula (I): -R = H, or 1 - 10C alkyl, possibly substituted by one or more aryl, heteroaryl, hydroxy or alkenyl groups; by the reaction of hydrazine with a deficiency of carboxylic acid R-COOH, followed by elimination of the water of reaction and possibly water of dilution of the acid and hydrazine. Also claimed, are the reaction products, obtained with a high degree of purity.
Patent CA-2219592-A1 (CA)
Inventor: PATTERSON RALPH A
IPC: H01S3/0933
Filed: 1997-10-29
Abstract: A power boosted source of broadband optical power comprising a broadband light source, optical fiber amplifier and a relative intensity noise reduction system. The optical fiber amplifier amplifies the power level of the optical input signal to provide a power boosted source of broadband optical power out of an output port.  A coupler samples a portion of the broadband optical power out of the output port as a sample portion signal.  A detector and transimpedance amplifier detect the optical signal and provide a buffered signal having an instantaneous amplitude that faithfully characterizes the intensity of the sample portion signal.  A bandpass amplifier amplifies the buffered signal and provides an output control signal to a light source responsive to a composite bias and control current for providing an output optical signal.  The output optical signal is coupled to the input of the optical fiber amplifier to be the optical input signal to the optical fiber amplifier.  The output optical signal from the ELED has a substantially constant output intensity level and smooth and bell shaped broad band spectrum with a center optical wavelength within the gain bandwidth of the optical fiber amplifier.
Patent CA-2221713-A1 (CA)
Inventor: PLASCHKA REINHARD
IPC: B42D25/29
Filed: 1997-03-20
Abstract: The invention relates to a data carrier, in particular bank note, paper of value, identity card or the like, having a security element disposed on the surface thereof. The data carrier is provided in at least one partial area with a background layer containing at least one authenticity feature.      The optically variable element is applied to this background layer such that it overlaps the latter at least partly but does not completely cover it.
Patent CA-2222033-A1 (CA)
Title: Process for making heterocyclic compounds
Inventor: WARD JOHN STANLEY
IPC: A61K31/41
Filed: 1996-04-19
Abstract: The present invention relates to a process for making intermediates useful for preparing therapeutically active azacyclic or azabicyclic compounds.
Patent CA-2223865-A1 (CA)
Title: Dispositif d'alimentation d'un amplificateur de puissance pour terminal de radiocommunications mobiles
Inventor: ATTIMONT LUC
IPC: H03G3/00
Filed: 1997-12-29
Abstract: Dispositif d'alimentation d'un amplificateur de puissance pour terminal de radiocommunications mobiles Dispositif d'alimentation d'un amplificateur de puissance (1) pour terminal de radiocommunications mobiles, apte à fournir une puissance d'émission susceptible de présenter des variations relativement rapides et des variations relativement lentes, ce dispositif (2) étant essentiellement caractérisé en ce qu'il comporte: - un tripôle actif de puissance (3) pour la commande dudit amplificateur de puissance, recevant une tension de commande (Vc) fonction desdites variations relativement rapides et une tension (Vt) dite tension d'alimentation de ce tripôle actif, et fournissant audit amplificateur de puissance un courant d' alimentation donné (Ia) sous une tension donnée (Va) dite tension d'alimentation de cet amplificateur de puissance, - des moyens (5) de génération de tension d'alimentation dudit tripôle actif, aptes à fournir audit tripôle actif une tension d'alimentation (Vt) variable de manière à ce que, pour une valeur donnée de ladite puissance d'émission susceptible de présenter des variations relativement lentes, la chute de tension aux bornes dudit tripôle actif soit minimale.
Patent CA-2228886-A1 (CA)
Title: Apparatus for the purification of liquids and a method of manufacturing and of operating same
Inventor: TESSIER DAVID F
IPC: B01D61/48
Filed: 1998-02-06
Abstract: A method of manufacturing an apparatus for the electrodeionization of a fluid includes determining the flow rate of the fluid to be deionized, its initial concentration of ionic impurities, a desired post-processing concentration of ionic impurities and appropriately selecting the number of diluting compartments for use in the apparatus and the electrical current to be applied between the anode and cathode in the apparatus and manufacturing the apparatus accordingly. A method of operating an apparatus for electrodeionization of a fluid includes monitoring the concentration of ionic impurities of the fluid to be deionized, monitoring the concentration of ionic impurities of the fluid which has been processed by the apparatus, determining the flow rate of the fluid to be deionized and altering the electrical current applied between the anode and cathode to maintain a predefined relationship between the drop in the concentration of ionic impurities of the fluid through the apparatus and the electrical current and the flow rate within a selected range of values. A novel electrodeionization apparatus includes an electrodeionization core, means for determining the concentration of the ionic impurities of fluid to be processed within the apparatus, a means for determining the concentration of the ionic impurities conductivity of fluid which has been processed within the apparatus, a measuring device to determine the flow rate of fluid processed by the apparatus, a current sensing device to measure the electrical current applied to the anode and cathode and a control device to process these values and to alter the electrical current applied to the anode and cathode of the apparatus to maintain a predefined ratio between the measured values within a selected range of values.
Patent CA-2228928-A1 (CA)
Title: Flow conditioner profile plate for more accurate measurement of fluid flow
Inventor: LANASA PAUL J
IPC: G01F15/00
Filed: 1994-12-21
Abstract: The present invention relates to a profile plate for inducing pseudo-fully developed in fluid flowing under turbulent flow conditions in a pipeline of circular cross-section. The plate is comprised of a circular plate body having a center, an upstream face, and a downstream face. The body includes a central array of through bores having a porosity (P1) of from about 3.0 to about 5.0%. A second array of through bores are centered on the locus of a second circle. The porosity (P2) of the second array ranging from about 19.0 to about 21.0%. There is also a third array of through bores having a porosity (P3), where P3=PT-(P1+P2). The through bores are located on the locus of a third circle.
Patent CA-2229466-A1 (CA)
Inventor: WIEDEMAN ROBERT A
IPC: H04L69/14
Filed: 1998-02-13
Abstract: A satellite communications system (10) includes at least one satellite (12); a system controller (38); a plurality of gateways  (18); and at least one user terminal  (13) operable for bidirectionally communicating with at least one of the gateways through the at least one satellite. Individual  ones  of  the  plurality  of  gateways  are bidirectionally  coupled  to  at  least  one  terrestrial communications system  (4)  and act to couple the user terminal to the terrestrial communication system through at least one satellite. In accordance with an aspect of this invention, individual ones of the plurality of gateways are operable for receiving an access request from the user terminal, through at least one satellite, and are further operable  for  notifying  the  requesting  user  terminal, through at least one satellite, that the user terminal is one  of  accepted  by  the  gateway  for  establishing  a communication link and not accepted by the gateway for establishing the communication link. A gateway that does not  accept a user terminal  can  indicate  to the user terminal, based at least in part on a determined location of the user terminal, an identification of a gateway to which the user terminal should apply for access or log-in purposes. The system further includes a data network (39) that interconnects the system controller and the plurality of gateways.  The data network may be conveyed by and embodied in one of a wired network, a wireless network, and a combination of a wired network and a wireless network.
Patent CA-2229900-A1 (CA)
Title: Current collector for lithium ion batteries
Inventor: KANG HONG-YOEL
IPC: H01M4/66
Filed: 1998-02-18
Abstract: An improved current collector for use in lithium ion batteries includes an aluminum grid of the type used for making conventional current collectors that is coated with a layer of zinc, the outermost portion of which is oxidized to zinc oxide. The current collector is made by first cleaning an aluminum grid in an aqueous basic solution to remove its outer layer of alumina. The cleaned aluminum grid is then coated with zinc by contact with an aqueous solution of zinc oxide. The coated aluminum grid is rinsed and dried in air to oxidize the outer surface of the zinc and form an outer layer of zinc oxide. The resulting zinc-coated current collector can be made into a battery with a higher conductivity at the interface between the current collector and the electrode active materials than a battery made with a conventional aluminum current collector. It also has a rough outer surface which improves its adhesion to the polymeric layers used in constructing a plastic lithium ion battery.
Patent CA-2230232-A1 (CA)
Title: Two-cycle engine
Inventor: AMANO MASASHI
IPC: F02B25/20
Filed: 1998-02-23
Abstract: |Problems to be Solved|       To provide a compact two-cylinder engine in which cylinders are juxtaposed closely, exhaust control valves have a simple shape, a mechanism for activating the exhaust control valves are simplified in order to facilitate assembling and maintenance of components, and improve exhaust gas purification.   |Means to Solve the Problems|   In the two-cycle engine 9, the scavenging passages 54(f) of the scavenging ports 53 adjacent to the exhaust ports 39 are flat in their cross section and extend to the sides of the exhaust ports 39. This structure can maintain the predetermined cross sectional area of the scavenging passages but reduce a width of the cylinder section.  Further, in the two-cycle engine having a plurality of juxtaposed cylinders, the exhaust passages 58 of the cylinders are arranged in the direction substantially orthogonal with the juxtaposed direction of the cylinders, and the exhaust control valves 40 are positioned near the exhaust ports in order to control an opening amount of the exhaust ports. The exhaust control valves 40 are rotatably supported by the pivot 48 extending substantially in parallel with the juxtaposed direction of the cylinders, and are turned in the plane which is parallel with the opening direction of the exhaust ports 39.
Patent CA-2231362-A1 (CA)
Title: A data maximizing serial to parallel bus interface in a data processing system and method therefor
Inventor: KU YI-MING
IPC: G06F13/16
Filed: 1998-03-09
Abstract: A serial/parallel interface for interfacing the serial port of a microcontroller with parallel bus devices, and a protocol for communicating with the same. The interface operates to maximize through-put with minimum handshaking. When the bus device is a nonvolatile memory containing the operating software of the microcontroller system, the interface provides for dynamic updating of the operating program. It also relieves the constraints imposed on the number of bus devices accessible to the microcontroller system because of the limited number of I/O pins available on the microcontroller.
Patent CA-2232021-A1 (CA)
Title: Split load cradle for conveyor belts
Inventor: MAFRA EUSTAQUIO
IPC: B65G15/60
Filed: 1998-04-22
Abstract: A split load cradle for conveyor belts comprised of two pipes (1 and 2) is disclosed. The longer pipe (1) incorporates vertical arms (3, 4 and 5) having an upper ends obliquely facing each other wherein the end rolls (11) of the load cradle (10) are pivoted. Between the shorter arm (5) and the shorter arm (4) an intermediary roll (12) is also pivoted between. The second shorter pipe (2) is just like the first longer pipe (1). Both longer and shorter pipes (1 and 2) are longitudinally split in their lower part by a narrow slot (6) and fit said pipes around and axially into another pipe (7) having a lower diameter. This arrangement is attached to the structure (8) of the conveyor belt (T).
Patent CA-2233958-A1 (CA)
Inventor: FECKO TIBOR
IPC: F16H1/32
Filed: 1996-10-03
Abstract: A gearbox, in particular a planetary gearbox, has a base body (40), at least one rotary output body (50) and a ring-shaped running space (1) designed in the bearing area of the output body (50) and provided with running surfaces (40e, 44b, 59a, 59b) for cylindrical rolling bodies (47, 47'). Some rolling bodies (47) are oriented approximately in the axial direction with respect to the axis of rotation (40a) of the gearbox whereas the other rolling bodies (47') are positioned approximately in the radial direction.
Patent CA-2234044-A1 (CA)
Title: Roofs
Inventor: RICHARDSON CHRISTOPHER
IPC: E04B7/04
Filed: 1998-04-03
Abstract: An eaves beam for use in constructing a conservatory roof has a channel therein for receiving a bolt for securing a glazing bar to the eaves beam, and a bolt received in the channel, the bolt having a head pivotable in the channel in order to vary the angle of a glazing bar secured by the bolt relative to the eaves beam.
Patent CA-2235022-A1 (CA)
Title: Variable orifice gas lift valve assembly for high flow rates with detachable power source and method of using same
Inventor: PRINGLE RONALD E
IPC: F16K1/52
Filed: 1998-04-16
Abstract: The present invention is a surface controlled gas lift valve designed for high flow rates and used in a subterranean well, comprising: a valve and actuating assembly for sealable insertion in a mandrel. The valve has a variable orifice which alternately permits, prohibits, or throttles fluid flow into the valve, and a detachable and/or remote actuator are disclosed. The valve may be actuated using momentary bursts of hydraulic pressure to the actuating assembly. Variable orifice opening settings are achieved by providing successive bursts of hydraulic pressure to the actuating assembly, which cause a cylindrical cam within the actuating assembly to be indexed between multiple support positions. The orifice valve and the actuator while operatively connected, may be separately installed in or retrieved from the mandrel by either wireline or coiled tubing intervention methods.
Patent CA-2235025-A1 (CA)
Title: Bone morphogenetic protein and fibroblast growth factor compositions and methods for the induction of cardiogenesis
Inventor: BROGLEY MICHELE A
IPC: A61K47/42
Filed: 1997-08-13
Abstract: A cardiogenic composition comprising a purified mixture of a transforming growth factor-.beta. protein and a fibroblast growth factor is disclosed. In another embodiment, the present invention is a method of inducing cardiogenesis in cells of a non-cardiac lineage comprising the steps of exposing cells to the composition and observing the development of cardiac cells.
Patent CA-2238287-A1 (CA)
Inventor: PEARCE MICHAEL DAVID
IPC: H04L12/66
Filed: 1997-10-13
Abstract: A transmitting device (15) for communication over a multiplicity of networks having a communication manager (22) and a mobility manager (20). The mobility manager (20) includes a database (40) having a net table (42) of potential networks and a filter (38). The filter (38) generates a prioritized list of qualifying networks over which a data object is to be transferred. Also described is a method for sifting through and filtering the net table (42) of potential networks and their characteristics. A prioritized list of qualifying networks is generated wherein each qualifying network has a priority. A  transmission request is generated based on a combination of the data object and the prioritized list of qualifying networks and is transmitted over the selected qualifying network (26, 28 or 30) having a highest priority.
Patent CA-2240031-A1 (CA)
Inventor: MADEIROS DOUGLAS BARBOSA
IPC: D21H11/14
Filed: 1998-06-09
Abstract: A method for the manufacture of paper products includes the feeding of a carbon dioxide stream to a product flow which includes a material containing an aluminum compound. The material is preferably wastepaper containing aluminum sulfate or papermaker's alum. The material may also be a product flow of wastepaper (containing aluminum sulfate) to which a supply of virgin pulp has been added. The carbon dioxide addition to the product flow reduces the pH of the product flow to a level of acidity which allows a dissolution of the aluminum compound and incorporation thereof throughout the product flow.
Patent CA-2240075-A1 (CA)
Title: Novel benzoylguanidine derivatives, process for their preparation and their use in the preparation of medicines
Inventor: BUERGER ERICH
IPC: C07D333/40
Filed: 1997-01-16
Abstract: The present invention concerns novel benzoyl guanidine derivatives, a process for their preparation and their use in the preparation of medicines. The novel benzoyl guanidine derivatives correspond to the general formula (I).