baber/WOPTO huggingface dataset:
Patent CA-2288673-A1 (CA)
Title: Ellipsometre equipe de deux lasers
Inventor: HEMMES KLAAS
IPC: G11B7/135
Filed: 1998-05-08
Abstract: On décrit un ellipsomètre muni de moyens d'éclairage qui produisent un premier faisceau lumineux (g¿1?) ayant une première fréquence angulaire (.omega.¿1?) et un deuxième faisceau lumineux (g¿2?) ayant une deuxième fréquence angulaire (.omega.¿2?), un séparateur de faisceau neutre (N) comportant une face d'attaque pour recevoir un faisceau de mesure (g'¿m2?) qui, pendant le fonctionnement, est produit par balayage d'un échantillon (S;OD1;OD2) au moyen du deuxième faisceau lumineux (g¿2?), et une face arrière pour recevoir le premier faisceau lumineux (g¿1?). Un faisceau d'interférence est formé sur la face arrière pendant le fonctionnement, et les moyens d'éclairage comprennent deux sources laser (L1, L2). L'ellipsomètre est équipé d'un circuit de commande (C) présentant au moins une entrée pour recevoir des informations concernant la première et la deuxième fréquences angulaires (.omega.¿1?, .omega.¿2?) ou la différence entre elles, et au moins une sortie couplée à au moins une ou deux sources laser pour réguler la différence entre la première et la deuxième fréquences angulaires (.omega.¿1?, .omega.¿2?).
Patent CA-2288833-A1 (CA)
Title: Peripherally acting anti-pruritic opiates
Inventor: FARRAR JOHN J
IPC: A61K31/445
Filed: 1998-06-19
Abstract: Anti-pruritic compositions and methods of using the compositions for the prevention or treatment of pruritus comprising formula (I), wherein M is (a), (b) or (c), R, R2, R3, R4, R7, Ar1 and Ar2 are as defined in the specification in a pharmaceutically acceptable carrier.
Patent CA-2290659-A1 (CA)
Title: Carrier inserter with carrier folding apparatus and method
Inventor: BRETL ROBERT J
IPC: B31F1/00
Filed: 1998-05-19
Abstract: A card insertion system (38) for automatically producing card packages of cards (32) attached to folded card carrier forms (30) having a top (81), a bottom (83), a leading edge (85), a lagging edge (87), a pair of intermediate leading and lagging fold lines (80A, 80B) dividing the carrier form into a leading end section (82), a middle section (84) and a lagging end section (86), the improvement being a carrier form folding apparatus (64), having a first folding station (98) with a folding wall (90) engageable by the leading edge (85) for folding the leading end section (82) along the leading fold line (80A) and up and over the top (81) of the middle section (84) as the carrier form (30) is moved through the first folding station (98) to form a partially folded carrier form (30). A second folding station (116) with a folding wall (12) engageable by the folded edge (80A) of the partially folded carrier form (30) at the leading fold line (80A) for folding the lagging end section (86) along the lagging fold line (80B) over the bottom of the middle section (84) as the partially folded carrier form (30) is moving through the second folding station (116) to form a fully fold carrier form (30).
Patent CA-2291702-A1 (CA)
Title: Vascular retractor
Inventor: VAN BLADEL KEVIN H
IPC: A61B19/00
Filed: 1998-05-27
Abstract: A self-supporting retractor (10) for holding open an anatomic space for performing endoscopic surgical procedures. The retractor includes a substantially rigid elongate member (12) having proximal (14) and distal ends (16) having a "C" cross section, defining a passage (18) and a longitudinal working window (20) along the retractor. The distal end (16) is preferably rounded to facilitate insertion along a dissected space with minimized tissue trauma, and may include a hooded portion (80) enclosing the passage at the distal end. The elongate member (12) may include radially-cooperating segments or edges to maximize the area of the space held open by the retractor. The retractor may include a handle or a pivotal finger grip (94) on the proximal end (14) to manipulate the retractor during use, and/or a curved handle (32) to tent the incision providing access to the dissected space. The retractor may also include a channel member (40) for an endoscope, integrally formed or pivotally attached to the retractor.
Patent CA-2296352-A1 (CA)
Title: Metropolitan wide area network
Inventor: ZENDLE ALLAN M
IPC: H04W84/04
Filed: 1998-07-21
Abstract: A wide area communication network includes at least two hub sites which are interconnected by a communication backbone. Each hub site provides millimeter microwave wireless coverage in at least one sector. At least two remote sites reside in each sector and are coupled to a corresponding hub site via a point to multi point broadband millimeter microwave wireless system. The network preferably includes at least one service node which is accessible to the remote sites via the hub sites and backbone.
Patent CA-2298605-A1 (CA)
Title: Curable compositions based on functional polysiloxanes
Inventor: DONNELLY KAREN D
IPC: C09D5/03
Filed: 1998-07-21
Abstract: Curable compositions containing novel polysiloxanes having various reactive functional groups are disclosed. The curable compositions are useful as both ambient-cured and thermally-cured coating compositions which provide such properties as excellent appearance, mar resistance, acid etch resistance, adhesion, pot life, improved tack time, mar resistance and corrosion resistance.
Patent CA-2299488-A1 (CA)
Title: Modular partition system
Inventor: SHAMIR DAVID
IPC: E04B2/74
Filed: 2000-02-24
Abstract: A modular partition system is based upon a panel frame structure formed of vertical members of substantially lesser thickness than the panels to be formed, which may be joined end-to-end in a modular manner, and side-by-side to join vertical ends of adjacent panels, and horizontal C-section rails secured to opposite sides of the vertical rails with mouths of the C-sections facing outwardly. Cladding panels are secured by vertically-spaced sets of spring clips engaging respectively upper and lower surfaces of vertically-spaced horizontal rails, and panels and other furnishings are secured to brackets engaged within the C-section of horizontal rails. The relationship of the horizontal and vertical members allows for easy cabling, and the use of the clamps permits panels and furnishings to be located without substantial regard to the horizontal modularity of the system. The basic panelling system requires a minimum number of different modular parts.
Patent CA-2300573-A1 (CA)
Inventor: YANG HONG-KUI
IPC: H04B1/707
Filed: 2000-03-14
Abstract: A method and apparatus for reducing the peak power probability of a spread spectrum signal by clipping the signal to constrain its spectrum within error-shaped bounds. The method includes the steps of generating a clipping threshold signal, generating a clipping error signal responsive to both the clipping threshold signal and the spread spectrum signal, filtering the clipping error signal to produce a shaped error signal, and subtracting the shaped error signal from the spread spectrum signal.
Patent CA-2302561-A1 (CA)
Title: Cleansing and conditioning article for skin or hair
Inventor: HASENOEHRL ERIK JOHN
IPC: A61Q5/02
Filed: 1998-08-31
Abstract: The present invention relates to a substantially dry, disposable, personal cleansing article useful for both cleansing the skin or hair, and more particularly to a disposable cleansing article having a substrate which preferably comprises of multiple layers. These articles are used by the consumer by wetting the dry article with water. The article comprises a water insoluble substrate having at least a first portion that is wet extensible and at least a second portion that is less wet extensible than said first portion and a lathering surfactant. Preferably, the articles of the present invention further comprise a conditioning component.
Patent CA-2303331-A1 (CA)
Inventor: TONCELLI LUCA
IPC: B29C67/24
Filed: 1998-10-21
Abstract: In the method of producing slabs made of granulated stone materials and/or sand bound with a hardenable resin by compaction under vacuum and subsequent hardening of the resulting raw slab, in which, before the vibratory compaction, the mixture is spread with substantially uniform thickness on a support, the said support being protected by a highly resilient sheet material, the flat configuration of the lower sheet is replaced by a shaped configuration comprising a flat base and a peripheral frame projecting from the flat base for a predetermined height so as to define a seat of dimensions corresponding in plan to those of the slab to be produced, the aforementioned peripheral frame having a height which is lower by a predetermined amount than that of the final slab to be produced so that, when the completely flat upper sheet is placed on the upper surface of the mixture, a space of predetermined depth remains between the peripheral edge of the upper sheet and the top of the aforementioned frame.
Patent CA-2303641-A1 (CA)
Inventor: GIRGENSOHN ALBRECHT
IPC: B22D11/16
Filed: 2000-03-31
Abstract: A method of determining the friction between the strand shell and the mold during continuous, casting with an oscillating mold includes measuring with the use of controlled double-acting hydraulic cylinders and with a predeterminable measuring frequency the pressures of always both chambers of all oscillating cylinders as well as the lifting positions of the pistons corresponding to these pressures, and by computing from these data the friction force acting at any point in time between the strand shell and the mold walls.
Patent CA-2305743-A1 (CA)
Title: Composition de polyacetal presentant une durete amelioree
Inventor: FLEXMAN EDMUND ARTHUR
IPC: C08L59/00
Filed: 1998-10-08
Abstract: L'invention concerne une composition de polyacétal présentant une dureté améliorée ainsi qu'une meilleure résistance à l'usure et une fluence supérieure. Cette composition de polyacétal comprend 100 % en poids de polyacétal et 0,5 à 5 % en poids d'un copolymère bloc dont la partie centrale se compose d'un polymère amorphe formant un domaine élastique à température ambiante et qui possède des chaînes de polyéthylène glycole avec un poids moléculaire de 2000 ou plus au niveau de ses deux extrémités.
Patent CA-2307902-A1 (CA)
Inventor: EWING ROBERT LOWELL
IPC: F21V23/00
Filed: 2000-05-09
Abstract: A modular ornamental luminaire assembly including a luminaire electrical chamber, an ornate cover, and an electrical assembly which is easily affixable or removable from the ornate cover. The luminaire electrical chamber houses an electrical terminal block and an electrical disconnect. The luminaire electrical chamber further includes at least one hollow support arm for supporting the luminaire's optical unit in spatial relation to the electrical components. The hollow support arm maintains and protects the electrical connection between the optical unit and electrical assembly. The electrical assembly is easily affixable to the underside of the cover and easily removable with the cover from the luminaire electrical chamber when the cover is removed from the chamber. The electrical assembly is removed by disconnecting the electrical assembly from the electrical disconnect.
Patent CA-2308484-A1 (CA)
Title: Polymer optical waveguide and method for fabricating the same
Inventor: JANG WOO HYUK
IPC: G02B1/04
Filed: 1998-11-04
Abstract: The present invention discloses a polymer optical waveguide and a method of fabricating the same. The polymer optical waveguide comprises a core formed of polymer containing fluoride (F) of a 12-37 wt.% on the basis of total weight of the polymer, and having repeating units with at least two -C(=O)-N-C(=O) functional groups or at least four -N-C(=O)- functional groups; and a cladding in contact with the core and formed of polymer having a refractive index lower than the polymer for forming the core. If a core layer is etched according to the ICP etching method, the etch rate becomes at least three times faster than that of the conventional RIE etching method. Also, etching characteristics including uniformity of an etched plane and vertical profile are improved, thereby reducing damage to an optical waveguide. Thus, the light scattering loss of the optical waveguide can be minimized. Also, the method for fabricating of a polymer optical waveguide according to the present invention is useful for mass production of polymer optical waveguides.
Patent CA-2308560-A1 (CA)
Title: Reel for supporting optical fibres and method for controlling the deformations experienced by the said reel during winding
Inventor: BOCCIOLA LORENZO
IPC: B65H75/14
Filed: 1998-11-04
Abstract: Reel for supporting optical fibres comprising a winding drum (2) having a tubular cylindrical shape, a pair of containing flanges (3), each of which is positioned close to one of the end edges (2a) of the said drum, a central core (6) positioned coaxially inside the winding drum (2) and at least one pair of interconnecting flanges (7) positioned either side of a transverse median plane (X-X) of the reel (1), each of which extends from the central core (6) to the winding drum (2). The said interconnecting flanges (7) are joined to the winding drum (2) at an attachment point (P) and to the central core at an anchor point (P'). This anchor point (P') is positioned closer to the transverse median plane (X-X) of the reel than is the attachment point (P) so as to form a given angle between the said interconnecting flange (7) and the core (6) such as to limit deformation of the containing flanges during rotation.
Patent CA-2309032-A1 (CA)
Inventor: KIM CHONG-DON
IPC: H04M3/00
Filed: 1999-08-28
Abstract: A device and method for generating orthogonal codes differing in length according to symbol rates. An orthogonal code length corresponding to a variable symbol rate is calculated to determine an effective bit number. A  chip count value is sequentially generated up to a maximum value, which can be counted by the effective bit number. An orthogonal code is generated by a logic operation of an orthogonal code index which is converted into the binary number of the effective bit number and the sequentially generated chip count values.
Patent CA-2310728-A1 (CA)
Inventor: HARPER ROBERT C
IPC: H04L1/08
Filed: 1998-11-23
Abstract: L'invention concerne un téléavertisseur (400) à protocole de réception d'appels avec messages ainsi qu'un procédé (602) et un appareil d'émission (906) et de réception (920) d'un message d'appel sélectif qui comprend un signal indicateur (610) désignant au moins un récepteur et un signal de données destiné au récepteur. Dans ledit procédé, le signal indicateur (722) est d'abord émis puis retardé pendant un intervalle de temps prédéterminé. Au moins une partie du premier signal indicateur et un signal de message sont émis (706) pour le récepteur (920) une première fois. Une diversité dans le temps du signal indicateur avant l'émission du message réel est ainsi assurée. Un signal d'alerte (ex. un monobit) (100) désignant un récepteur ainsi qu'une adresse (202, 204) correspondant au récepteur peuvent être utilisés.
Patent CA-2311747-A1 (CA)
Inventor: TIMMER WILLEM
IPC: B04C5/14
Filed: 2000-06-14
Abstract: A device for separating particles from a fluid comprises a number of separation units. Each separation unit comprises a number of elongate cyclones which are arranged parallel to and next to one another. Each cyclone is provided with a feed, an overflow discharge and an underflow discharge.      Each separation unit furthermore comprises a first chamber, into which the overflow discharges of the cyclones open out, a second chamber, in which the cyclones are arranged, which second chamber contains the feeds of the cyclones, and a third chamber, into which the underflow discharges of the cyclones open out.      The chambers are substantially cylindrical and are stacked as seen in the longitudinal direction of the cyclones. The separation units are also stacked as seen in the longitudinal direction of the cyclones.
Patent CA-2311945-A1 (CA)
Inventor: JOSEPH EUGENE G
IPC: D04H1/42
Filed: 1998-04-03
Abstract: A dispensable nonwoven cohesive wrap that is generally dispensed from a self-wound roll. The nonwoven cohesive wrap comprises mutually entangled fibers at least some of which are pressure-sensitive adhesive fibers. The cohesive wrap also generally has a basis weight of from 40 to 200 grams/m2, a tensile strength of at least 100 grams/2.5 cm and a T-peel from itself of from 1 to 30 grams/2.5 cm. The wrap is preferably a single layer material without a separate adhesive coating or release coating where the adhesive fibers extend through the entire depth dimension of the wrap, such that a portion of the adhesive fibers are on both faces of the wrap, and preferably are uniformly distributed across the length and width dimensions of the wrap.
Patent CA-2312096-A1 (CA)
Inventor: STOCKDALE JIM
IPC: G06F1/00
Filed: 2000-06-22
Abstract: A mass storage data protection system for use with a mass storage device in a gaming machine to protect the mass storage device from unauthorized commands. The mass storage data protection system includes a mass storage device command latch, a timing circuit for timing signals between the mass storage device command latch and the mass storage device, a comparator and a comparator command register in communication with the comparator. The comparator command register includes commands that generate a fault within the mass storage data protection system such that when the comparator receives a command from the mass storage device command latch corresponding to the command within the comparator command register, a fault is generated within the mass storage command latch.
Patent CA-2312134-A1 (CA)
Title: Jet-propelled boat
Inventor: ABE TOMOHISA
IPC: B63H11/107
Filed: 2000-06-22
Abstract: To enable changing of course when a jet stream from a jet pump has stopped or is low. A nozzle 30 of a jet pump 20 is constructed so as to be rotatable, and a rudder 32 that does not project downwards further than a boat bottom 11a is provided at the nozzle 30. A rudder channel 18 for guiding water flow W to the rudder 32 is provided separately from a jet pump channel 24. It is preferable for the rudder 32 to be duct-shaped and it is preferable for the rudder channel 18 to be formed of a watercourse plate with an end at the front with respect to a direction of travel opening away from the boat body when driving of the jet pump 20 is halted or when the rotational speed of driving of the jet pump is a prescribed value or less.
Patent CA-2312606-A1 (CA)
Title: Surface-modified titanium dioxide
Inventor: MEYER JURGEN
IPC: C09D7/62
Filed: 2000-06-27
Abstract: Pyrogenically produced titanium dioxide surface-modified with ammoniumfunctional silanes is produced by spraying the pyrogenically produced titanium dioxide with the silane, with the silane mixture or with a solution of the silane or silane mixture in ethanol, and tempering.      It can be used in the field of cosmetics in sunblocks, in toner powders, in paints and varnishes, in silicone rubber, as abrasives and polishes, for example, in the field of CMP.
Patent CA-2313711-A1 (CA)
Inventor: LASKO VINCENT P
IPC: C09J7/21
Filed: 2000-07-11
Abstract: A nonwoven material, such as a fibrous nonwoven web or a plastic film is provided, which is made by applying adhesive in a pattern on one side thereof, and then aperturing the nonwoven material.
Patent CA-2314874-A1 (CA)
Inventor: SOSKA GEARY VICTOR
IPC: B29C35/02
Filed: 1998-02-20
Abstract: Dispositif de nettoyage (10) qui permet de faire sortir le matériau résiduel d'un moule (12) possédant une surface de moulage (13). Le dispositif comprend un robot (14) doté d'un bras (16) pouvant se déplacer selon une pluralité de degrés de liberté et comportant une extrémité libre. Un laser (18) connecté au robot (14) comporte une extrémité de sortie montée sur le bras (16), près de son extrémité libre, de façon à pouvoir être positionnée par ledit robot. Un système de distribution optique (38) comprend une pluralité de fibres optiques, chaque fibre ayant une première extrémité connectée au laser (18) et une seconde extrémité, l'extrémité de sortie, fixée sur l'extrémité libre du bras du robot (14). Les extrémités de sortie des fibres optiques (42) sont alignées de façon que le laser forme un ruban de lumière (18b) sur la surface de moulage (13). Une unité de commande (46) connectée au robot (14) dirige le bras (16) de façon à lui faire effectuer au moins une série prédéterminée de mouvements. Un support rotatif (48, 54) est placé à proximité du robot (14) et le moule (12) est posé sur le support. Le robot (14) positionne l'extrémité de sortie du laser (18) par rapport à la surface de moulage (13) de façon à diriger la lumière (18a) émise par le laser. La lumière frappe la surface et en fait sortir le matériau résiduel, pendant que la rotation du support (48, 54) aligne les différentes parties de la surface de moulage avec l'extrémité de sortie du laser.
Patent CA-2318104-A1 (CA)
Title: Network switch with panic mode
Inventor: KONING G PAUL
IPC: H04L69/40
Filed: 1999-01-13
Abstract: A switch is provided for use in a communications system for transmitting traffic from a first user to a second user. The first and the second users (X, K) are interconnected by a primary communications path (410) and a redundant communications path (420). The switch includes a first port configured to receive hello communications indicative of a proper operation of the primary communications path and a second port for receiving data communications. A  switch control (288) monitors the receipt of the hello communications, directs the forwarding of received data communications up to a threshold capacity and, if the received data communications exceed the threshold capacity, drops at least a portion of the received data communications such that forwarded data communications are below the threshold capacity.
Patent CA-2318193-A1 (CA)
Title: Mixing block for mixing multi-component reactive material coating systems and an apparatus using same
Inventor: BAZIL KURT D
IPC: B01F23/10
Filed: 1999-01-12
Abstract: The present invention provides a mixing block for mixing fluid components of a multi-component system and which includes at least two components inlets (202, 204. wherein each component inlet receives a respective component or components of the multi-component system; and a solvent inlet (210), wherein the solvent inlet receives solvent for use in cleaning the mixing block. The mixing block further includes at least two flow channels (212, 214), which intersect, wherein an upstream end (216, 218) of each of the intersecting flow channels (212, 214) is connected to at least one of the component inlets (202, 204) and a downstream end of each of the intersecting flow channels is connected to a mixed material reservoir (224), wherein the mixed material reservoir (224) is further connected to and supplies mixed material to an outlet (206). The mixing block also includes a solvent chamber (232) which is connected to both the solvent inlet (210) and the upstream ends of the intersecting flow channels (219, 214) end a solvent diverter (230) which diverts solvent back into the component inlets (230) to facilitate cleaning of the component inlets (202, 204) as well as the intersecting flow channels (212, 214), mixed material reservoir (224) and outlet (226). Additionally, an apparatus which utilizes the above described mixing block is also disclosed.
Patent CA-2319512-A1 (CA)
Inventor: TODD MELVIN
IPC: G03B17/56
Filed: 1999-01-21
Abstract: A fixed-position, but manually adjustable, video camera mounting assembly employs frictional bearing elements (48) in place of ball bearings that are present in a corresponding motor-driven (14) remotely controllable movable mounting assembly (10, 12). The frictional bearing elements (48) are endless toroidal coil springs which provide durability and satisfactory performance over a wide range of temperatures.  The endless coil springs (48) are fashioned from linear springs (50) which have an open end (52) and an opposed reduced-diameter end (56) which is pluggable into the open-end.