baber/WOPTO huggingface dataset:
Patent CA-2280547-A1 (CA)
Title: Liquid discharge head, liquid discharge method and liquid discharge apparatus
Inventor: ISHINAGA HIROYUKI
IPC: B41J2/14
Filed: 1999-08-20
Abstract: A liquid discharge head comprises heating members for generating thermal energy to create bubbles in liquid, discharge ports forming the portions to discharge the liquid, liquid flow paths communicated with the discharge ports, at the same time, having bubble generation areas for enabling liquid to create bubbles, movable members arranged in the bubble generation areas to be displaced along with the development of the bubbles, and regulating members to regulate the displacement of each of the movable members within a desired range, and with energy at the time of bubble creation, the liquid being discharged from the discharge ports. For this liquid discharge head, each of the liquid flow paths holds bubbles while bubbling, at the same time, being provided with gaps arranged on the sides of the movable member to allow the liquid on the upstream thereof to flow into the bubble generation area while bubble disappearing. With the structure thus arranged, the meniscus is drawn into the liquid flow path quickly immediately after the bubble disappearing of bubble begins, and then, with a strong force of the meniscus, the trailing portion of the liquid column connected with the discharged droplet is cut off outside the discharge port, hence making the number of satellites smaller for the enhancement of the quality of prints.
Patent CA-2282890-A1 (CA)
Title: Therapeutic heterocyclic compounds
Inventor: HILL ALAN PETER
IPC: C07D403/06
Filed: 1991-06-06
Abstract: (see formula I) The present invention is concerned with compounds of formula (I), wherein n is an integer of from 0 to 3; W is a group of formula (i), (ii) or (iii), wherein R is hydrogen or C1-4alkyl, X is -O-, -S-, -NH- or CH2, Y is oxygen or sulphur and the chiral centre (*) in formula (i) or (ii) is in its (S) or (R) form or is a mixture thereof in any proportions; and Z is a group of formula (iv), (v) or (vi) wherein R1 and R2 are independently selected from hydrogen and C1-4 alkyl and R3 is hydrogen or C1-4 alkyl; and their salts, solvates and physiologically functional derivatives, with processes for their preparation, with medicaments containing them and with their use as therapeutic agents, particularly in the prophylaxis and treatment of migraine.
Patent CA-2283460-A1 (CA)
Title: Plants having resistance to multiple herbicides and their use
Inventor: WALKER ALAN K
IPC: A01H5/10
Filed: 1998-03-05
Abstract: This invention relates to a plant, seed, variety, inbred and hybrid. More specifically, the invention relates to plants having resistance to at least two herbicides. The invention also relates to methods of producing a hybrid plant and methods of producing a plant having resistance to at least two herbicides.
Patent CA-2290623-A1 (CA)
Title: Assessment of the condition of fruit and vegetables
Inventor: BRIGGS PETER DAVID SINCLAIR
IPC: G01N33/02
Filed: 1998-05-15
Abstract: An assembly for measuring the condition of fruit and vegetable is disclosed which comprises an expandable resilient bellows arrangement (10) having a passive sensor (22) mounted therein. In use, the bellows (10) can be expanded so as to bring the passive sensor (22) into contact with, or adjacent to, an item of fruit or vegetable whereby the sensor can react to a property of the fruit or vegetable and produces a signal related to that property. The bellows (10) can then be contracted away from the fruit or vegetable. The sensor (22) can detect the properties of, for example, surface gas detection, chlorophyll fluorescence, visible and Near Infra Red spectrometry and charge transfer. An arrangement is also disclosed in which a plurality of bellows (10) are mounted on a rotatable mounting (510) whereby by rotation of the mounting (510), the bellows (10) can be brought sequentially into a position in contact with, or adjacent to, a respective fruit or vegetable.
Patent CA-2292357-A1 (CA)
Inventor: RYAN JAMES G
IPC: H04R1/40
Filed: 1999-12-17
Abstract: The present invention increases the aperture size of a microphone array by introducing a diffracting structure into the interior of a microphone array. The diffracting structure within the array modifies both the amplitude and phase of the acoustic signal reaching the microphones. The diffracting structure increases acoustic shadowing along with the signal's travel time around the structure. The diffracting structure in the array effectively increases the aperture size of the array and thereby increases the directivity of the array. Constructing the surface of the diffracting structure such that surface waves can form over the surface further increases the travel time and modifies the amplitude of the acoustical signal thereby allowing a larger effective aperture for the array.
Patent CA-2292592-A1 (CA)
Title: Intermediate transfer blanket and method of producing the same
Inventor: TEPER CARLOS
IPC: G03G15/16
Filed: 1997-06-03
Abstract: A method of producing a coating on a member comprising: providing a body portion; coating the body portion with a catalyst material for a release coating material; and overcoating the catalyst material with an uncured polymer material for which the catalyst is active. Preferably, the release coating material is a condensation type silicone.
Patent CA-2293205-A1 (CA)
Title: Multiple circuit cryogenic liquefaction of industrial gas
Inventor: NENOV NENO TODOROV
IPC: F25J1/02
Filed: 1999-12-24
Abstract: A method for more efficiently cooling and liquefying industrial gas wherein refrigeration for the cooling and liquefaction is generated using first and second defined multicomponent refrigerant fluids in separate refrigeration circuits to cover a wide temperature range from ambient to cryogenic temperature.
Patent CA-2293586-A1 (CA)
Inventor: GOTTFRIES JOHAN
IPC: A61K9/20
Filed: 1998-06-08
Abstract: The invention relates to a method for the determination of dose-level characteristics, such as physicochemical properties, functionality and/or quality, of a multiple unit system comprising a plurality of individual subunits (12). A number of said subunits (12) are individually analysed for obtaining precise characteristics for each individually analysed subunit (12).  Said dose-level characteristics of the multiple unit system are determined based the thus-obtained precise characteristics for each individually analysed subunit (12). The invention also relates to an industrial process in which this method is used, and to the use of the claimed method in a process for designing a multiple unit system formulation product.
Patent CA-2293971-A1 (CA)
Title: Steering of internet access to sponsors
Inventor: ALLES ANTHONY L
IPC: G06Q30/00
Filed: 2000-01-06
Abstract: This invention provides an Internet Access Provider (IAP), a simple mechanism to steer users to given Internet services, such as the Web pages, of sponsors. The mechanism allows a sponsor to grant a dial-in user unlimited access to the Internet after the user has first accessed its Internet services.  The invention is thus important for any IAP that wants to receive income from sponsors by steering Internet users to their services. In the ultimate case, an IAP could receive all its income from sponsors and thus be able to offer the Internet access for free. The key characteristics of the present invention is that a user is steered to the Internet services of a sponsor based on a sponsor specific called telephone number or a sponsor specific login name. The IAP does not need to uniquely identify the user and therefore no user specific PINs are needed. Sponsors can simply promote their offers by publicly advertising their sponsor specific Internet access telephone numbers or login names. The user registration process (if any) and the determination of when unlimited access should be granted is handled by the sponsor. The functions of the IAP are sponsor independent and the amount of information that needs to be transferred between the sponsor and the IAP is minimized.
Patent CA-2298408-A1 (CA)
Inventor: STENTZ ANDREW JOHN
IPC: H04B10/18
Filed: 2000-02-14
Abstract: In an optical communication system, the signal power level injected into each of one or more optical fiber spans is reduced so as to suppress undesired non-linear effects. This reduction in injected signal level is made possible by remotely pumped amplification in the spans that are affected.
Patent CA-2304145-A1 (CA)
Inventor: BERNET YORAM
IPC: H04L29/08
Filed: 1998-06-03
Abstract: A method and computer program product for classifying network communication packets being processed in a network stack. The computer program product is a centralized packet classifier (80) that receives classification requests from drivers (86, 88, 90, 92) or other clients according to a defined interface. This reduces the cost for producing a driver (86, 88, 90, 92) since less code is required initially at development time as well as a corresponding reduction in maintenance costs. The present invention groups drivers or other clients that utilize a certaint body of classification information into classification families.      Further, reference patterns used to make classifications are stored in separate databases depending on whether they are specific or general.     These exists a single specific pattern database for all specific reference patterns regardless of classification family having a constant search time and a general pattern database for each general reference pattern for each classification family defined to the system whose search time may vary according to the amount of information contained therein.      When servicing a classification request, the packet classifier (80) will first search the specific pattern database followed by a search it the appropriate general pattern database if necessary.
Patent CA-2304536-A1 (CA)
Inventor: DE VERDIER LISA
IPC: H04B7/26
Filed: 1998-09-29
Abstract: A mobile communication system and method for determining relationships between cells within an area including non-neighboring cells. The invention makes use of relatively strong coding of base station identifiers, substantially synchronized idle frames, and broadcast control channels which are transmitted on designated time slots for different co-channel cells within an area. The invention allows cell relation and synchronization information to be determined efficiently and reliably to allow for system performance improvements.
Patent CA-2305416-A1 (CA)
Inventor: BERGGREN SOREN
IPC: H01F29/12
Filed: 1998-09-29
Abstract: The invention relates to a method for regulating an induced voltage in transformer, alternatively reactive power of a reactor, wherein a winding (5;  26) is achieved with an insulating electric conductor including at least one current carrying conductor, a first layer having semiconducting properties arranged to surround the conductor, a solid insulation layer arranged to surround said first layer, and a second layer having semiconducting properties arranged to surround the insulating layer, wherein a regulating winding (3, 22) is arranged around a magnetic flux carrier (1), and wherein the length of said regulating winding around the magnetic flux carrier is varied. The invention also relates to an arrangement for the realization of the method and a transformer/reactor including such an arrangement.
Patent CA-2305559-A1 (CA)
Title: Methods of refolding proteins by use of zwitterionic low molecular weight agents
Inventor: VICIK STEVEN M
IPC: C12N15/09
Filed: 1998-08-24
Abstract: Methods are disclosed for refolding proteins of the TGF-.beta. family of proteins. The methods employ as refolding agents one or more compounds which are non-detergent zwitterionic compounds, such as sulfobetaines, substituted pyridines, substituted pyrroles and acid substituted aminocyclohexanes.
Patent CA-2306758-A1 (CA)
Title: Dispositif de transfert de materiau
Inventor: KELDERS JOHANNUS HUBERTUS JOZE
IPC: B65H35/07
Filed: 1998-10-29
Abstract: L'invention concerne un dispositif (1) permettant de transférer sur une surface (9) un matériau correcteur présenté sur un support (7) de type bande. Ce dispositif comprend un boîtier (2) comprenant une bobine (3) débitrice rotative pour le support (7) portant le matériau correcteur, une bobine réceptrice pour le support après transfert du matériau, un élément (6) de transfert à poser sur la surface (9), le long duquel le support (7) avec le matériau sont guidés, et des moyens (8) déplaçables, permettant de couvrir l'élément (6) de transfert et d'empêcher ainsi le transfert involontaire de matériau lorsque le dispositif n'est pas utilisé. Les moyens de couverture peuvent être actionnés par un élément (21) d'actionnement qui dépasse d'une paroi du boîtier (2). Les moyens de couverture peuvent comprendre un élément (8) coulissant qui peut prendre une forme au moins partiellement flexible.
Patent CA-2307508-A1 (CA)
Inventor: NYE TIMOTHY L
IPC: B62D25/20
Filed: 2000-05-04
Abstract: An operating mechanism for use in a vehicle having a bedroom slide out, the bedroom slide out having a platform which is movable laterally relative to a vehicle having a stationary floor. The operating mechanism laterally moves the movable room section relative to the stationary room section between a retracted position and an extended position, and has a height adjustable frame. The frame includes overlapping side members which are slidably moveable relative to each other and fastenable at two or more discrete heights.
Patent CA-2307918-A1 (CA)
Title: Toggle mechanism for toggle switches
Inventor: OSTROVSKY MICHAEL
IPC: H01H23/02
Filed: 2000-05-09
Abstract: A modular toggle mechanism assembly has a housing assembly, a toggle handle pivotally mounted in the housing assembly and movable between a first position and a second position, biasing means for selectively biasing the toggle handle in the first position or the second position, and an actuator arm connected to the toggle handle and capable of selectively actuating an external switching device as a function of the position of the toggle handle. The modular toggle assembly also includes an external switching device in selective association with the toggle handle. The housing assembly includes an upper housing and a lower housing configured to be secured together, wherein a portion of the toggle handle extends from an opening in the upper housing for user operation of the handle. The biasing means is a toggle spring positioned in the lower housing, and the assembly further includes a toggle arm extending from the toggle handle which contacts at least a portion of the toggle spring when the toggle handle is moved between the first and second positions. The toggle spring is a flat spring member located in a channel and supported on substantially distal ends by a pair of support arms. The toggle arm makes contact with substantially the middle of the spring member through a predetermined arc defined by the rotational movement of the toggle arm.
Patent CA-2308319-A1 (CA)
Title: Wire harness connector
Inventor: YAMAMOTO MASAHIRO
IPC: H01R13/631
Filed: 2000-05-12
Abstract: A connector having a plug housing assembly supporting female contacts thereon, and a cap housing assembly supporting male contacts thereon. The plug housing assembly has a bolt rotatably passing therethrough and a locking plate for holding the male contacts. The cap housing assembly has a cavity receiving the plug housing assembly and a nut portion provided on a bottom portion of the cavity. A nut receiving recess, which receives the nut portion in the cap housing assembly when both the housing assemblies are fitted to each other, is provided in the plug housing assembly. A screw portion of the bolt is provided so as to be exposed within the nut receiving recess without protruding outward from the plug housing assembly. The locking plate has an actuator which is depressibly protruding from a circumferential surface of the plug housing assembly.
Patent CA-2309867-A1 (CA)
Inventor: CHILD LAURA E
IPC: A63B59/70
Filed: 2000-05-30
Abstract: Why was I the one to envision this modification you ask? Perhaps it's because, as in many cases where one is remote from a field of endeavor, I could see the forest in spite of the trees. " THE SHTICK " is comprised of a regular wooden ice rink Hockey stick with "bumper-padding" on all feasible surfaces and edges that have potentially harmful impact with other players. In fact, the only areas of the stick that I'd leave "as is" are both sides of the blade - crucial to the handling of the puck, and the lower edge of the blade for the same reason.      This product may not catch fire too readily with the Pro adult sector who may or may not make a show of initial resistance. Actually, I see it welcomed by the parents of the up and coming Pee-Wee and Junior Leaguers who would find it comforting to know that their child is likely to cause less injury to others.      A natural rubber, such as a "gummy" crepe rubber would probably test well. The handle, after being wrapped with a 1/4 in. sheet of rubber would then be shrunk-wrapped with a sturdy vinyl which would include the logo, lettering, (etc.)
Patent CA-2310086-A1 (CA)
Title: Wear control with dispersants employing poly alpha-olefin polymers
Inventor: BOFFA ALEXANDER B
IPC: C10M141/10
Filed: 1998-10-20
Abstract: A lubricating oil composition comprising oil, and an additive combination comprising a poly alpha-olefin polymer dispersant with a number average molecular weight above 2500, and a metal dihydrocarbyl dithiophosphate sufficient to yield a phosphorous content of up to 0.1 percent weight based on the total weight of the oil. The poly alpha-olefin polymer can be ethylene alpha-olefin copolymer such as ethylene-1-butene or ethylene-1-butene-hydrocarbyl polyamine. Preferably, the ethylene-1-butene-hydrocarbyl polyamine has a number average molecular weight of about 3300.
Patent CA-2310390-A1 (CA)
Title: Method and system for increasing the efficiency and productivity of a high temperature furnace
Inventor: CHARON OLIVIER
IPC: C21B9/10
Filed: 2000-05-31
Abstract: An oxygen enrichment system is provided which uses the existing air/fuel burners of a regenerative furnace to distribute additional oxygen to the burners for increased efficiency, and reduced nitrous oxide emissions. The centrally positioned cooling air lances in the burners of a regenerative furnace are modified to deliver oxygen when the burners are firing for oxygen enrichment. During the burner firing cycle, oxygen is delivered from an oxygen supply through the oxygen lance to provide a central oxygen jet. The fuel is delivered concentrically around the oxygen jet. During the non-firing cycle of the burner, cooling air or other cooling fluid is delivered from the cooling air supply through the oxygen jet for cooling the offside of the furnace.
Patent CA-2311924-A1 (CA)
Title: Method and apparatus for distributing audiovisual content
Inventor: STERN MICHAEL R
IPC: G06Q30/00
Filed: 1998-08-07
Abstract: An advertising method and system (10) to disseminate information concerning multiple products includes a database (22) containing the information and provides a perceivable stimulus to a consumer positioned proximate to a site, with the site being remotely disposed with respect to the database. To disseminate the information, a set of software modules (NMC 12) an employed which implement a set of functionalities intended to provide centralized management, remote distribution, and the stimulus. The stimulus is provided by playback of digitally encoded information (48) which may include a stimulus that is either auditory (16), visual (18), tactile or any combination thereof. The stimulus may be provided by a dedicated multimedia kiosk (30) which includes a monitor, digital processor having a sound card and an input device, such as a keyboard or a mouse. In addition, the stimulus may be provided using products advertised for sell in the retail store where the customer is located or in conjunction with a kiosk (30). The stimulus may be either interactive or non-interactive.
Patent CA-2312619-A1 (CA)
Title: Brake cylinder using dual piston assemblies
Inventor: DAUGHERTY DAVID W JR
IPC: B61H13/24
Filed: 2000-06-27
Abstract: A brake cylinder for use in a railway vehicle braking system is provided. The brake cylinder comprises a cylindrical casing engageable with the railway vehicle braking system, a hollow piston assembly which is mounted for reciprocal movement within the cylindrical casing and having a hollow portion defined by a back wall and at least one sidewall. A small piston assembly is positioned within this hollow portion and includes a first surface facing the back wall of the hollow portion and a peripheral edge portion for sealingly engaging an inner surface of the sidewall of the hollow portion. A first space is defined by the back wall of the hollow portion, at least a portion of the inner surface of the at least one sidewall and the first surface of the small piston. Fluid communication means are provided which are in fluid communication with the first space for supplying fluid pressure within this first space during a brake application of the railway vehicle braking system resulting in movement of the hollow piston assembly away from the small piston assembly and consequently initiating a braking sequence of the railway vehicle braking system. This fluid communication means also evacuates fluid pressure from the first space during a brake release of the railway vehicle braking system resulting in movement of the hollow piston assembly toward the small piston assembly.
Patent CA-2313211-A1 (CA)
Title: Fault tolerant subrate switching system
Inventor: LINDBERG LARS OLOF MIKAEL
IPC: H04M3/26
Filed: 1998-12-11
Abstract: A plurality of input signals are switched in an apparatus including redundant switching planes and hardware for receiving an output signal from each of the redundant switching planes. Each switching plane is for switching the plurality of input signals, and each switching plane includes at least two switching modules, each switching module being connected to receive a subset of the input signals directly from an input signal source coupled to the apparatus. Each switching module is further connected to receive a remaining subset of the input signals from remaining switching modules on the same switching plane; and each switching module generates an output signal having components selected from the plurality of input signals. To improve performance in the event of a double fault, each switching module detects whether any of the remaining switching modules on the same switching plane are faulty. In response to any such detection, the switching module substitutes a signal representing a logical zero for those portions of the output signal that are selected to include one or more components from the faulty switching module. Also, when the means for receiving the output signal from each of the redundant switching planes detects that each of the output signals received from corresponding switching modules in the redundant switching planes is invalid; it responds by logically OR'ing the received output signals together. In this way, the likelihood of recovering a valid output signal is increased. In one embodiment of the invention, each switching module is a subrate switching module.