baber/WOPTO huggingface dataset:
Patent CA-2381393-A1 (CA)
Title: Transmission method with frequency and time spread at transmitter level
Inventor: HACH RAINER
IPC: H04B1/69
Filed: 2000-08-10
Abstract: The invention relates to a transmission method for the broadband, wireless o r wire information transmission via a channel using spreading methods. Said channel is subject to perturbations and multipath propagation. The aim of th e invention is to transmit messages via channels that are disturbed by multipa th propagation. The aim of the invention therefor is to provide a multiple acce ss method which allows to transmit signals with a high symbol rate and which ca n react to changes in the data amount and to requirements with regard to transmission speed and bit error rate in a flexible manner with maximum spectral efficiency, whereby said requirements vary according to the users. The invention also relates to a method for transmitting information symbols with a certain symbol rate via a channel with a certain bandwidth, whereby t he information symbols are subjected to frequency spreading and time spreading at transmitter level and a corresponding despreading at receiver level. The respective spreadings and thus the system gain can be adaptively matched to the required transmission quality and the channel characteristics.
Patent CA-2381934-A1 (CA)
Title: Pressure independent control valve
Inventor: CARLSON BENGT A
IPC: F16K31/126
Filed: 2000-08-17
Abstract: Simple APCV, ADPCV and PICV's are provided. The APCV's are referenced to the atmosphere and control the gauge pressure, either upstream or downstream. The ADPCV's are the same as the APCV's, differing in that they are not referenced to the atmosphere. They are instead referenced to a second point in the fluid flow system and control the differential pressure. The PICV's are control valves connected in series with ADPCV's and control the fluid flow rate through the valve independently of variations in the line pressure. A preferred APCV has a valve body (1) with connections for a single-phase fluid line and a flow passage between the inlet (2) and the outlet (3) of said fluid line, with an opening having a defined seat orifice (7) intersecting the flow passage. A moveable assembly, comprising a disk (5) or cup is connected to a pressure sensing member (4), having essentially the same effective surface area. The moveable assembly, is biased by a force, and is free to automatically move to any intermediate position between fully open and closed, producing a desired outlet pressure which minus the reference pressure, times the effective surface area of the disk or cup generates an opposing force equal to the biasing force.
Patent CA-2382027-A1 (CA)
Title: Outil de coupe de tuyaux explosif
Inventor: BOX WADE L
IPC: E21B29/02
Filed: 2000-08-16
Abstract: L'invention concerne un ensemble outil de coupe de tuyau explosif (10, 10') composé d'un boîtier (20, 20'), son extrémité fermée étant caractérisée par une forme arrondie (22, 22'), et contenant une charge en forme d'anneau (48) constituée de deux demi-charges (42). La charge en forme d'anneau (48) est composée d'une surface de portée (31) située sur un support (50, 50'), adjacente à l'extrémité fermée du boîtier (20, 20'), et d'une extrémité arrière retenue par un anneau (38) rattaché à l'ouverture de l'extrémité ouverte (24, 24') du boîtier (20, 20'). Deux demi-coussinets (28) juxtaposés servent d'assiette ayant un apex (A) incurvé selon une section transversale afin d'accroître la masse de métal en forme de dard de perforation par détonation de la charge formée (48). La forme arrondie (22, 22')de l'extrémité fermée du boîtier (20, 20') offre à l'invention une résistance accrue à la pression face à une épaisseur de paroi et un matériau de construction donnés, et lui permet de contourner des obstacles plus aisément que ne le ferait un boîtier muni d'une extrémité plate classique lorsqu'il est introduit dans un puits.
Patent CA-2385641-A1 (CA)
Title: Flat-proof rim for a pneumatic tyre of a wheel
Inventor: CHIU YU-PU
IPC: B60C17/04
Filed: 2002-05-09
Abstract: A flat-proof rim for a pneumatic tyre of a wheel is disclosed. The flat-proof rim includes a circular rim body (10) having an outer periphery. A plurality of spaced linkages are arranged along and movably connected to the outer periphery of the rim body (10), and each have a hoof (40) adapted to be movable between a radially inner position and a radially outer position relative to the rim body (10). In addition, there is provided an apparatus for driving the linkages so that the hoofs (40) are moved from the radially inner positions to the radially outer positions when the pneumatic tyre is deflated while the wheel is rotated at a high speed.
Patent CA-2387111-A1 (CA)
Title: Forming fabric woven with warp triplets
Inventor: STONE RICHARD
IPC: D03D/
Filed: 2000-10-12
Abstract: A forming fabric having a paper side layer and a machine side layer comprises at least two systems of weft yarns and a single set of warp yarn triplets. In the fabric weave pattern, each member of each triplet set of warp yarns interweaves with the paper side weft yarns to occupy in sequence segments of an unroken warp path in the paper side surface, and the members of each triplet interlace in pairs with single machine side layer weft yarns.  Each segment in the unbroken warp path is separated by at least one paper side layer weft yarn. The machine side layer interlacing points can be regularly or irregularly spaced. After heat setting, the fabrics typically have a warp fill from boutt 105 % to about 140 %, an open area of at least 35 % in the paper side surface, and an air permeability typically from about 3,500 to about 8,200 m3/m2/hr.  Paper products made using these fabrics have enhanced printability.
Patent CA-2390626-A1 (CA)
Title: Measuring speech quality
Inventor: KEANE MICHAEL
IPC: H04M3/22
Filed: 2002-06-13
Abstract: When the PESQ and similar algorithms are used to measure speech quality, a particular voice call is set up to transmit only test voice signals over a communications network. This enables the test voice signals to be easily identified and provides a means of determining the amount of degradation that occurs as a result of transmission of the test voice signals. However, one problem is that in packet switched networks the transmission characteristics change with time. Thus the estimated MOS score obtained cannot be assumed to give an accurate speech quality measure for a voice call later made between the same two points. By adding test voice information to an ongoing voice call and transmitting that test voice information integrally with the ongoing voice call these problems are addressed. The test voice information is sent in packets during silent periods in the voice call such that the voice call is not affected by the test voice information. An identifier is used to identify or label the packets comprising test voice information. In the case that real-time transport protocol is used, the identifier is preferably a payload type value.
Patent CA-2391792-A1 (CA)
Title: Sram controller for parallel processor architecture
Inventor: WHEELER WILLIAM
IPC: G06F13/16
Filed: 2000-08-17
Abstract: A controller for a random access memory includes an address and command queue that holds memory references from a plurality of microcontrol functional units. The address and command queue includes a read queue that stores read memory references. The controller also includes a first read/write queue that holds memory references from a core processor and control logic including an arbiter that detects the fullness of each of the queues and a status of completion of outstanding memory references to select a memory reference from one of the queues.
Patent CA-2394936-A1 (CA)
Title: Wavelength cross-connect
Inventor: DUCELLIER THOMAS
IPC: G02B6/35
Filed: 2002-07-24
Abstract: An optical cross-connect having an input port for launching a beam of light into the optical cross-connect, at least two output ports, each output port for selectively receiving a beam of light, a dispersive element for dispersing the beam of light into separate wavelength channels, and a switch core for independently switching at least one individual wavelength channel between ports. The switch core includes a cylindrical ATO element, two cylindrical relay lenses, and two opposing deflector arrays. Conveniently, the deflector arrays are either liquid crystal phase arrays or reflective MEMS  arrays.
Patent CA-2395752-A1 (CA)
Inventor: EISENBERG PETER M
IPC: G06V30/00
Filed: 2001-01-05
Abstract: L'invention concerne une interface utilisateur destinée à un système de demande d'identification par radiofréquence. Cette interface peut comprendre des éléments graphiques, des bruits, des lumières ou une combinaison de cela, en vue de fournir des informations à un utilisateur concernant les objets soumis à la demande d'identification.
Patent CA-2396683-A1 (CA)
Title: Superabsorbent cellulosic fiber
Inventor: NEOGI AMAR N
IPC: A61F13/53
Filed: 2001-01-17
Abstract: A modified cellulosic fiber having superabsorbent properties is described. T he modified fiber of the invention has a fibrous structure substantially identical to the cellulosic fiber from which it is derived. The modified fib er is a water-swellable, water-insoluble fiber that substantially retains its fibrous structure in its expanded, water-swelled state. The modified fiber i s a sulfated and crosslinked cellulosic fiber having a liquid absorption capacity of at least about 4 g/g. In one embodiment, the modified fiber is a n individual, crosslinked, sulfated cellulosic fiber. In another aspects, the invention provides a rollgood that includes the modified fiber, absorbent composites and articles that include the modified fiber, and methods for making the modified cellulosic fiber.
Patent CA-2399927-A1 (CA)
Title: Process for preparing 4,5-dihydro-1,3-thiazoles
Inventor: JAUTELAT MANFRED
IPC: C07D277/10
Filed: 2002-08-28
Abstract: The present invention relates to an improved and more economical process for the synthesis of 4,5-dihydro-1,3-thiazoles carried out in a single vessel without the isolation of intermediates.
Patent CA-2400278-A1 (CA)
Inventor: DEPOORTER MARK CHARLES
IPC: A01F12/60
Filed: 2002-09-19
Abstract: Novel covers for grain storage tanks on harvesting machines such as combines. Rigid cover panels of the cover are preferably fabricated of double-wall plastic to limit weight of the cover while providing desired strength and rigidity. The rigid cover panels can be pivoted about top edges of an underlying grain tank whereby the cover panels function as a height extension of the underlying tank, thus to increase the grain-carrying capacity of the tank. Flexible transition panels are preferably mounted to the rigid cover panels to bridge spaces between edge regions of the rigid cover panels when the rigid cover panels are raised to their upright, tank-extending orientations. A preferably single underlying actuator in the tank, in combination with mechanical linkages, can simultaneously raise all the rigid cover panels, all the flexible transition panels, and the discharge end of a clean grain elevator which discharges grain into the tank.
Patent CA-2400926-A1 (CA)
Title: Client-server multitasking
Inventor: LUNENFELD HARVEY
IPC: G06F17/30
Filed: 2001-02-22
Abstract: A client-server multitasking system and process capable of information and/or service retrieval from the same and/or different ones of servers substantially simultaneously and on-the-fly, using the same and/or different ones of queries of the same and/or different ones of the servers, and sorting, grouping, and/or organizing responses therefrom substantially on-the-fly, and communicating service and/or information responses to the requestors and/or users substantially simultaneously and on-the-fly. The client-server multitasking system and process are capable of use on a variety of networks, such as global area networks, and in particular the internet, metropolitan area networks, wide area networks, and local area networks, and are capable of searching search engines and/or other sites substantially simultaneously and on-the-fly. The client-server multitasking system and process are capable of sorting, grouping, and/or organizing results therefrom the servers, search engines, and/or sites, in accordance with instructions from the requestors, and/or users, and/or instructions resident within the client-server multitasking system and/or process. The client-server multitasking system and process are capable of use in a variety of applications, and capable of information comparison and/or trend analysis of information from the same and/or different sources substantially simultaneously. The client-server multitasking system and process are capable of building a client-server multitasking system search engine and/or database therefrom responses returned from the servers, search engines, and/or sites being queried and/or searched, and/or having requests made thereof, is capable of being searched and/or queried, querying sites referenced therein the client-server multitasking system search engine and/or database, and updating information and/or services stored therein.
Patent CA-2402049-A1 (CA)
Inventor: WILSON WILLIAM
IPC: B60G11/02
Filed: 2001-02-23
Abstract: Dans cette invention, un ensemble (60) ressort à lames destiné à être utilisé comme composant actif dans des systèmes de suspension de véhicules comprend un composant (63A) à ressort lame sur lame complet auquel est relié un composant (64) à ressort lame sur lame incomplet. Le ressort (63A) lame sur lame complet s'étend sensiblement sur toute la longueur de l'ensemble (60) ressort à lames, et le ressort (64) lame sur lame partiel s'étend sensiblement sur toute la longueur d'un des leviers en porte-à-faux (66, 68). Dans un premier mode préféré de réalisation, lorsque l'ensemble (60) ressort à lames présente des leviers en porte-à-faux avant (66) et arrière (68) de longueur sensiblement inégale, l'ensemble (60) ressort à lames fournit un angle de chasse constant pour son axe associé au cours de la flexion de l'ensemble, en raison des rebonds. Dans un second mode préféré de réalisation, lorsque l'ensemble (60) ressort à lames présente des leviers en porte-à-faux avant (66) et arrière (68) de longueur sensiblement égale, il fournit un angle de chasse variable à son axe associé au cours de la flexion de l'ensemble, en raison des rebonds. Dans un autre mode préféré de réalisation, la partie siège (70) de l'axe du ressort (63A) lame sur lame complet est conçue de manière à amener à force la position de l'axe associé à l'ensemble (60) ressort à lames sur un angle de chasse prédéterminé.
Patent CA-2402559-A1 (CA)
Inventor: SANCILIO FREDERICK D
IPC: A61K31/565
Filed: 2001-03-05
Abstract: L'invention concerne une composition de matière présentant un mélange de composés oestrogéniques actifs. Le mélange est présent en une forme chimiquement pure. Le mélange contient des sels d'estrone conjuguée, équiline conjuguée, de .DELTA.?8,9¿-déhydroestrone conjuguée, 17.alpha.-estradiol conjugué, 17.alpha.-dihydroéquiline conjuguée, 17.beta.-dihydroéquiline conjuguée, 17.beta.-estradiol conjugué, équiline conjuguée, 17.alpha.-dihydroéquiline conjuguée, et 17.beta.-dihydroéquiline conjuguée. Le mélange contient également les mêmes composés oestrogéniques essentiels présents dans des oestrogènes équins conjugués dérivés naturellement. L'invention concerne également des produits médicamenteux contenant la composition de matière, ainsi que des méthodes d'utilisation de ces produits médicamenteux pour traiter des mammifères nécessitant un traitement. L'invention concerne aussi des méthodes d'analyse de mélanges contenant des oestrogènes conjugués.
Patent CA-2402918-A1 (CA)
Inventor: ANDREASEN STEFAN
IPC: G06F17/30
Filed: 2000-03-31
Abstract: The invention relates to a method of retrieving attributes from at least two data sources (DS) by accessing the data sources(s) (DS), identifying a number of attributes (A) of said data source(s) (DS), associating/assigning at least two attributes to a set of associated attributes (ASA), storing a retrieving profile (RP), according to which attributes (A) of the data sources may be retrieved. According to the invention, multiple data sources may be accessed by users having limited resources, such as time and money, as access may be established by means of a simple query, which may subsequently be effected by means of the stored retrieving profile.
Patent CA-2403469-A1 (CA)
Inventor: NIGAM ASUTOSH
IPC: B32B7/02
Filed: 2001-03-19
Abstract: The present invention features processes and compositions for producing a metallic-looking image on a substrate having a reflective or luminescent surface. The process utilizes an opaque coating composition containing an opaque coating agent comprising a mixture of a polyacid and a polybase. When applied to a light-emitting, reflective or luminescent substrate, the opaque coating composition at least partially masks the light-emitting reflective or luminescent surface of the substrate, but becomes increasingly translucent or transparent when contacted with a recording liquid such as an ink, revealing the light-emitting, reflective or luminescent surface.
Patent CA-2410058-A1 (CA)
Title: Trocar assembly with cushioned activator
Inventor: RACENET DAVID C
IPC: A61B17/34
Filed: 2001-05-25
Abstract: A trocar assembly is provided which includes an obturator having a sharpened tip supported on one end thereof and a hand grip supported on an opposite end thereof. A cusioned grip member is supported on the hand grip. The cushioned grip member includes a slip resistant surface and is positioned on pressure contact regions of the hand grip.
Patent CA-2410464-A1 (CA)
Title: Diagnostic et classification de maladie et d'incapacite par impulsions a champ magnetique basse frequence (cnps)
Inventor: THOMAS ALEX W
IPC: A61B5/05
Filed: 2001-06-07
Abstract: L'invention concerne l'utilisation d'impulsions à champ magnétique permettant de diagnostiquer et de classifier la gravité d'états pathologiques et d'incapacités chez des humains et des animaux.
Patent CA-2413979-A1 (CA)
Inventor: BARTLEY STUART L
IPC: C10M129/93
Filed: 2001-06-21
Abstract: L'invention concerne des compositions carboxyliques hydrocarbyle substituées et des dérivés de celles-ci comme agents améliorants la dispersion/viscosité, destinés à des compostions d'huiles lubrifiantes et de carburants. Des compostions carboxyliques sont dérivées (A) d'un polymère hydrocarboné ayant un M¿n? compris entre environ 20,000 et environ 500,000, et (B) un composé carboxylique .alpha.,.beta.-insaturé préparé par la réaction (1) d'un composé actif de méthylène de formule (I), et (2) un composé carbonyle de formule générale (II), dans laquelle R?a¿ représente un H ou un hydrocarbyle et R?b¿ désigne un élément du groupe comprenant un H, un hydrocarbyle et (III), dans lequel chaque R' représente, de manière indépendant, un R ou un OR et chaque R désigne, de manière indépendante, un H ou un groupe hydrocarbyle; ainsi qu'un alkyle inférieur, des acétals, des cétals, des hémiacétals et des hémicétals du composé carbonyle (2). Des compositions carboxyliques dérivées sont obtenues par réaction des compositions carboxyliques avec un réactif sélectionné dans le groupe comprenant (a) des amines caractérisées par la présence dans leur structure d'au moins un groupe H-N< condensable, (b) d'alcools, (c) de métaux réactifs ou de composés métalliques réactifs, et (d) une combinaison d'au moins deux de l'un quelconque des composés (a) à (c), les composants de (d) mis en réaction avec la composition carboxylique de manière simultanée ou séquentielle, dans un ordre quelconque.
Patent CA-2415063-A1 (CA)
Title: Photodynamic treatment and uv-b irradiation of a platelet suspension
Inventor: MOHR HARALD
IPC: A61K41/00
Filed: 2001-07-04
Abstract: The invention relates to a method for inactivating viruses and for killing leukocytes in platelet suspensions by a combination of photodynamic treatment and UV-B irradiation.
Patent CA-2415064-A1 (CA)
Title: Selective chemical binding for olefins/paraffins separation
Inventor: HENDERSON JOHN FREDERICK
IPC: C07C7/152
Filed: 2002-12-23
Abstract: The present invention provides a process for the production of high purity olefin and diolefin components employing a separation system based on the separation of olefins and diolefins from non-olefinic materials using selective chemical binding reactions of olefins and diolefins, the release of the olefins and diolefins through a reverse chemical reaction, and separation of the olefins and diolefins into higher purity components by distillation, overcoming the drawbacks of the prior cryogenic separation processes.
Patent CA-2415361-A1 (CA)
Inventor: HARRIS PAUL DAVID
IPC: G01N29/46
Filed: 2001-07-23
Abstract: The present invention relates to apparatus and method for determining a characteristic, such as stiffness, of a log, stem, wood piece or other wood specimen. A wave generator 102 produces a frequency varying signal which drives a transducer 103 which is coupled to the specimen to impart a frequen cy varying acoustic wave into the specimen. A receiver sensor 105 detects the resulting acoustic wave and a transmit sensor detects the output from the transducer 103. A characteristic response 109 of the specimen is determined from the receiver sensor signal, transmit sensor signal and excitation signa l using digital 107 and analogue 106 signal processing. The characteristic 108  is determined from the characteristic response 109.
Patent CA-2417921-A1 (CA)
Title: Gastric access port
Inventor: DELEGGE REBECCA
IPC: A61M1/00
Filed: 2001-08-15
Abstract: An improved mechanism for attaching a feeding tube to a feeding delivery system is presented. The feeding delivery system is attached to an elongated connecting member that is pivotally attached to a bolster. After attachment, the elongated connecting member is rotated to engage another tube at the base of the pivot. Before pivoting, the passageway is blocked by the interference of the elongated connecting member. As the elongated connecting member is rotated, the conduit system aligns and becomes a passageway to and from the stomach. The device provides a three part rigid plastic fit that does not wear out over a number of uses. The device prevents splash events, which occur when a feeding adapter is opened or when the adapter or valve is forced open by a cough or gastric pressure build up.
Patent CA-2419214-A1 (CA)
Inventor: SJOLANDER BJORN
IPC: B24B3/33
Filed: 2003-02-19
Abstract: A grinding apparatus for grinding the hard metal inserts or working tips of drill bits (percussive or rotary), tunnel boring machine cutters (TBM) and raised bore machine cutters (RBM), said grinding apparatus having means to provide relatively high feed/grinding pressure
Patent CA-2421548-A1 (CA)
Title: Amidine inhibitors of serine proteases
Inventor: ARTIS DEAN R
IPC: A61P43/00
Filed: 2001-09-05
Abstract: Inhibitors of serine proteases are provided having formula (I) wherein X, R1, R2, R3, R4 and R5 are as defined herein. In particular, the compounds bind to factor VIIa, tissue factor/factor Xa complex, thrombin, trypsin, plasmin and kallikrein and have anticoagulant activity. Pharmaceutical compositions comprising the compounds are useful for inhibiting the formation of veinous and/or arterial thrombi in vivo.