baber/WOPTO huggingface dataset:
Patent CA-2248486-A1 (CA)
Title: Apparatus for detecting arcing faults and ground faults in multiwire branch electric power circuits
Inventor: ELMS ROBERT TRACY
IPC: H02H3/10
Filed: 1998-09-28
Abstract: A multiwire branch circuit including two line conductors and a grounded, common neutral conductor is protected by a two pole circuit breaker connected to interrupt current flow in the two ungrounded line conductors. Three separate protection circuits provide arc fault protection for each of the ungrounded line conductors and ground fault protection for all three conductors. The arc fault detectors use the bimetal of the thermal-magnetic trip device for the associated line conductor, and therefore, are individually referenced to the associated line voltage. Hence, the outputs of the arc fault detectors are electrically isolated from each other and from the output of the ground fault detector, but operate a common trip circuit to open the two pole circuit breaker. The arc fault detectors have separate isolated power supplies. The ground fault detector is powered by a supply which is energized if either of the ungrounded line conductors is energized.
Patent CA-2250052-A1 (CA)
Inventor: HEARN DENNIS
IPC: C07C211/03
Filed: 1997-02-25
Abstract: A process for the amination of aliphatic alkane derivatives such as alcohols (mono and polyhydric) which uses catalytic distillation to take advantage of the condensing distillate within the distillation reaction zone in the distillation column reactor. The operation of the distillation column reactor results in both a liquid and vapor phase within the distillation reaction zone. The catalyst is prepared in the form of a distillation structure. The reaction is carried out in a distillation column reactor at a low hydrogen partial pressure, e.g. in the range of 0.1 psia to less than 10 psia.
Patent CA-2250721-A1 (CA)
Title: Seat slide apparatus
Inventor: KANDA YOSHIHIRO
IPC: B60N2/07
Filed: 1998-10-20
Abstract: A seat slide apparatus includes: a lock plate axially attached to a side surface of an upper rail of which a portion near a base portion is axially attached in a freely rotatable manner; a lock hole formed in a lower portion close to a free end of the lock plate; and a lock spring engaging the lock hole with a lock tooth of a lower rail by using an urging force. In the construction, the engagement of the lock hole with a lock tooth prevents a seat main body mounted to the upper rail from moving in a longitudinal direction and canceling the engagement makes the seat main body freely move in the longitudinal direction. A lockplate guiding long hole is formed in the upper rail. A lock spring locking means is provided on the lock plate at a portion corresponding to the lock plate guiding long hole in such a manner that the lock spring locking means is inserted into the lockplate guiding long hole and projects from the lock plate guiding long hole so as to lock the lock spring. Furthermore, a lock plate holding means is provided at a position corresponding to the free end portion of the lock plate in such a manner as to slidably hold the free end side of the lock plate.
Patent CA-2251030-A1 (CA)
Inventor: LOISON DANIEL
IPC: G02B27/22
Filed: 1997-03-05
Abstract: The invention is a system that comprises a camera lens (fig. 1 or fig. 2) which, along the optical axis, comprises an entry element (2), a spherical diopter lens (3), and the main elements (5 and 6), the whole being combined with one of several picture devices (7, 7bis, 8, 9, 10); and (11, fig. 3, fig. 4 or fig. 6) comprising for projection a screen (12) on the back of a Fresnel lens (13) disposed in the diametrical plane of a hollow transparent hemisphere (14), with or without transparent glass (17), or a screen of a receiver consisting of a semi-reflective surface, or a screen (18, 20, 22) of a solid transparent hemispheric receiver (19 or 21, 23 or 24).  The resulting image can be photographed or recorded in slide or photographic film form or can be formed on the photosensitive target of a video camera in order that it may be recorded on video tape or broadcast via a television system.  The viewer situated in front of one or the other of the said receivers can see a relief image of excellent quality.
Patent CA-2251212-A1 (CA)
Title: Multi-regional interactive program guide for television
Inventor: GUO ZICHENG
IPC: H04N5/445
Filed: 1998-10-20
Abstract: Interactive Program Guide (IPG) data for television is delivered to integrated receiver-decoders (IRDs) (130) in a decoder population via, for example, a satellite network (110,120). The IPG data provides scheduling information for global and local programming services which are carried via the satellite network as well as another network such as a CATV network (150) or a terrestrial broadcast network. Each IRD (130) is assigned to an IPG region using unit addressing. At the IRD (130), IPG data is filtered so that only the global data (400) and the region-specific data (405, 410, 415) for the IRD's IPG region is retained and processed by the IRD. Channel map data is also delivered to the IRDs so that bundles of IRD data can be filtered out using firmware filtering (185) to discard program sources that are not present in the channel map. The IRD data which is retained after filtering is used to provide scheduling information via an on-screen display (190, 195). A preferred source may be designated when there are duplicative channels on the different networks.
Patent CA-2251500-A1 (CA)
Title: Limiting electrical degradation of all-dielectric self supporting cables
Inventor: LANG IAN DEWI
IPC: G02B6/48
Filed: 1998-10-26
Abstract: An assembly for use adjacent an earthed suspension region 20 of an all--dielectric self-supporting cable 10 suspended in an electric field at said region from a tower or the like for limiting dry band arcing adjacent said region is disclosed. The assembly comprises an electrically conductive device 21 clamped to the cable remote from said region 20 and structure defining a current path having an arc gap connected between the device 21 and said earthed region 20
Patent CA-2252416-A1 (CA)
Title: Pipeline inspection apparatus
Inventor: QUESNEL RAY J
IPC: G01M3/38
Filed: 1998-11-03
Abstract: An apparatus for inspecting a lateral branch of a main pipeline from within the main pipeline comprises an inspection device adapted to fit within the lateral branch, a semi-rigid rod having a leading end attached to the inspectiondevice, an aligner for aligning the inspection device with a lateral branch, and a rod pusher for advancing the rod and inspection device into the lateral branch. The rod pusher is pneumatic and pushes the inspection device into the lateral branch by repeatedly gripping, advancing, and releasing the rod.
Patent CA-2252559-A1 (CA)
Title: Chromate passivating and storage stable concentrate solutions therefor
Inventor: GOODREAU BRUCE H
IPC: C23C22/38
Filed: 1997-04-07
Abstract: A concentrated aqueous solution containing: (A) a component of dissolved phosphate ions; (B) a component of dissolved hexavalent chromium; (C) a component of dissolved anions selected from the group consisting of BF4-, AlF6 -3, SiF6 -2, TiF6 -2, FeF6 -3, SnF6 -2, ZrF6 -2, and HfF6 -2; and (D) a component of free fluoride ions; and, optionally and preferably, (E) a component of dissolved trivalent chromium; and, optionally, one or more of: (F) a component of dissolved organic substances produced by reducing some hexavalent chromium initially added to trivalent chromium; (G) a component of dissolved, stably suspended, or both dissolved and stably suspended film forming polymer molecules; and (H) a component of dissolved, stably suspended, or both dissolved and stably suspended substances selected from the group consisting of silica and silicates is more resistant to development of precipitates during extended storage than similar compositions without the free fluoride component, and upon dilution makes at least equally satisfactory working compositions for forming a chromate conversion "passivating" coating on zinciferous surfaces.
Patent CA-2253189-A1 (CA)
Title: Simultaneous amplitude and force profiling during ultrasonic welding of thermoplastic workpieces
Inventor: GREWELL DAVID A
IPC: C08F214/18
Filed: 1998-04-29
Abstract: An ultrasonic processing method is disclosed wherein during the processing time interval the motional amplitude and engaging force of the resonating horn (20) and thereby the power and engaging pressure to the workpiece (24) is varied to improve weld strength and decrease weld cycle time. The variation in motional amplitude and engaging force may be in response to a process condition such as a change in dimensions of the workpiece, a sharp rise in the transducer power curve, or in response to the lapse of a predetermined time interval.
Patent CA-2253412-A1 (CA)
Title: Microparticles and their use in wound therapy
Inventor: MIDDLETON SARAH MARGARET
IPC: A61L24/00
Filed: 1997-05-14
Abstract: Soluble microparticles comprising fibrinogen or thrombin, in free-flowing form. These microparticles can be mixed to give a dry powder, to be used as a fibrin sealant that is activated only at a wound site.
Patent CA-2255960-A1 (CA)
Title: Manual modular pull station
Inventor: RANKIN ROBERT L
IPC: G08B25/12
Filed: 1996-05-20
Abstract: A pull box (12) for an emergency alarm system is disclosed having a modular construction that accommodates one or more optional modules in order to provide a wide variety of possible configurations. Also, the basic design of the pull station (12) provides for its resetting without requiring a cover of the pull station to be open. As part of the optional modules (41 and 42), the pull station may be configured to provide both local and general alarm signals, with the general alarm signal capable of being activated only by authorized personnel.
Patent CA-2258782-A1 (CA)
Title: Dental prosthesis system
Inventor: BRANEMARK PER-INGVAR
IPC: A61C8/00
Filed: 1997-06-12
Abstract: The invention comprises a dental prosthesis system incorporating a superstructure (4, 5), a positioning device, and fixtures (1) that are implantable in a person's jawbone. Each fixture (1) is anchored in the jawbone and its opposite end is arranged so that it will be possible to attach a superstructure (4, 5) to it. By means of the positioning device, fixtures (1) are implanted at definite positions and in definite directions, usually parallel directions. The superstructure includes prefabricated elements with fastening devices (8, 9) that can be attached to fixtures (1). In accordance with the invention, reference device (la) is designed to put the positioning device in place in such a way as to reliably provide the aforesaid definite positions and directions, therewith facilitating the use of prefabricated superstructures. Through its other aspects, the invention is related to significant components suitable for a dental prosthesis system of this type. Moreover, the invention comprises methods used in connection with the application of the dental prosthesis system.
Patent CA-2260775-A1 (CA)
Inventor: CORRIGAN PATRICK JOSEPH
IPC: C07H13/06
Filed: 1997-07-16
Abstract: A reaction mixture for manufacturing polyol fatty acid polyesters comprises a polyol, a fatty acid lower alkyl ester, a base initiator and a phase transfer catalyst. The phase transfer catalyst can be a quaternary ammonium compound, a crown ether, a polyethylene glycol, a polyethylene glycol ether, a polyethylene glycol ester or mixtures thereof. The process of making polyol fatty acid polyesters is carried out at low temperatures and essentially in the absence of a solvent or emulsifier. The polyol fatty acid polyester product stream produced by the foregoing process and reaction mixture has a lower concentration of reaction by-products such as di-fatty ketones and beta-ketoesters and of caramelized by-product which results from the breakdown of the polyol reactant.
Patent CA-2261886-A1 (CA)
Inventor: WIPF PETER
IPC: A61P35/02
Filed: 1997-07-08
Abstract: Peptidyl prodrugs of therapeutic agents having an activating function are disclosed. These therapeutic agents having activating functions include those having an amino, thiol, or hydroxyl function. Methods of making and using these prodrugs are also disclosed.
Patent CA-2264230-A1 (CA)
Inventor: PINARD DEBORAH L
IPC: H04M3/58
Filed: 1999-03-03
Abstract: In a communication system wherein a communication connection is established between a communication apparatus of a first subscriber and a communication apparatus of a second subscriber, a method of terminating the communication connection by a subscriber placed on hold comprises the steps of displaying to the on hold subscriber a prompt to leave a message; in response to selection of the prompt, recording the message left by the on hold subscriber; transmitting the message to the other subscriber; terminating the communication connection; and providing a visual indication to the other subscriber that the communication connection has been terminated by the on hold subscriber and that the on hold subscriber has sent a message. A method of signifying one of the subscriber's desire to return to a communication connection when the communication connection has been placed on hold is also provided.
Patent CA-2264683-A1 (CA)
Title: Universal operator station module for a distributed process control system
Inventor: HODGE MICHAEL L
IPC: G05B19/042
Filed: 1997-09-17
Abstract: A module (56) of a distributed process control system has a prior art kernel submodule (16'), a peripheral submodule (59), and an interface circuit (58) to provide for communications between the two submodules. The kernel submodule communicates with the interface circuit over a module BUS (18') which includes a data BUS and an address BUS.  The peripheral submodule communicates with the interface circuit over a peripheral component interface (PCI) BUS (60), a single thirty two bit BUS which is incompatible with the module BUS. The interface circuit permits such communications between the two submodules without requiring any hardware or software changes to the kernel submodule and the module BUS, nor to components of the peripheral submodule or its PCI BUS. The interface circuit includes interface registers, a control circuit which determines which submodule is permitted to write or read data and/or address into or from a given register of the interface registers. Input circuits controlled by control signals produced by the control circuit determines the source of the data and/or addresses written into a given register. An output circuit under the control of the control circuit determines the BUS over which the contents of a given register are transmitted to the addressed submodule.
Patent CA-2266875-A1 (CA)
Title: A panel sawing device
Inventor: BENUZZI PIERGIORGIO
IPC: B23D45/10
Filed: 1999-03-25
Abstract: A device for sawing stacks (1) of panels comprises cutting means consisting of a pair of similar carriages (8, 11) located on opposite sides of the stack (1). Each carriage mounts a first and a second circular saw (9, 12) and a first and a second circular scoring saw (10, 13). Both carriages (8, 11) can move in two directions (V1, V2) along an axis (Y) transversal to the feed axis (X) of the stack (1) so as to make a first and a second cut to corresponding first and second cutting depths (S1, S2) and substantially coinciding in a vertical plane (PV) in such a way as to saw right through the stack of panels (1).
Patent CA-2267597-A1 (CA)
Title: Method for indicating that a text message is present in a message central module of a mobile radiotelephone network
Inventor: KARAPETKOV STEFAN
IPC: H04W88/18
Filed: 1997-09-29
Abstract: The invention concerns a method for indicating the availability of a text message in a mobile radiotelephone network (PLMN) when the recipient is registered as a subscriber both in a mobile radiotelephone network (PLMN) and in another telecommunications network (PISN).   According to the invention, the accessibility of the subscriber in the other telecommunications network (PISN) is stored in the data base allocated to the subscriber in the mobile radiotelephone network (PLMN). The central messaging module (NZM) transmits a notice on the availability of a text message for the subscriber to a control module (SM) of the other telecommunications network (PISN). This control module (SM) displays then an information on a terminal (KE2) allocated to the subscriber in the other telecommunications network (PISN) indicating the availability of a text message in the central messaging module (NZM) of the mobile radiotelephone network (PLMN).
Patent CA-2267985-A1 (CA)
Title: Processus de co-production de pate pour transformation chimique et de xylane
Inventor: HYATT JOHN ANTHONY
IPC: D21C5/00
Filed: 1997-10-10
Abstract: La présente invention concerne un processus d'amélioration d'une pâte cellulosique de qualité papier permettant d'obtenir une pâte pour transformation chimique apte à être utilisée dans la préparation de rayonne viscose, d'éthers de cellulose et d'éters de cellulose tels que l'acétate de cellulose. Le processus utilise une séquence d'extraction alcaline, de traitement à la xylanase et d'extraction alcaline de façon à extraire la majeure partie du xylane qui peut être récupéré de façon à être utilisé dans la production de xylose, de xylitol et des furannes.
Patent CA-2269256-A1 (CA)
Title: Substituted tricyclics
Inventor: BASTIAN JOLIE ANNE
IPC: C07D471/12
Filed: 1999-04-16
Abstract: A class of novel tricyclics is disclosed together with the use of such compounds for inhibiting sPLA2 mediated release of fatty acids for treatment of conditions such as septic shock.
Patent CA-2274303-A1 (CA)
Title: Synthetic bi-epitope compounds useful as standard measure in biological dosage of troponin i
Inventor: GRANIER CLAUDE
IPC: G01N33/53
Filed: 1997-12-04
Abstract: The invention relates to synthetic biepitope compounds which can be used as standards in immunoassays, for the assay of troponin I, method for preparing them, compositions and kits containing such compounds as well as the immunoassay methods using such compounds.
Patent CA-2274733-A1 (CA)
Inventor: BLANCHARD STEPHANIE
IPC: A61K31/4985
Filed: 1999-06-11
Abstract: Composé de formule (I): <IMG> dans laquelle X représente N, C ou CH, Y représente N quand X représente C ou CH, ou Y représente C ou CH quand X représente N, R, représente un groupement alkyle éventuellement substitué, R2 et R3, identiques ou différents, représentent un groupement Z ou W, tel que défini dans la description. Médicaments.
Patent CA-2275320-A1 (CA)
Inventor: DECEGAMA ANGEL L
IPC: H04N7/26
Filed: 1997-12-16
Abstract: L'invention porte sur un procédé de compression/décompression de données codées numériquement permettant d'obtenir de meilleurs rapports de compression. Ledit procédé recourt à une transformée en ondelettes et à la réponse en fréquence de la perception humaine pour déterminer quels sont les coefficients importants pour la perception. Ledit procédé évalue les coefficients à haute fréquence rejetés par la transformée en ondelettes. Pour chacun des niveaux de la transformée inverse, le procédé évalue les coefficients à haute fréquence manquants en fonction du jeu complet des coefficients à basse fréquence et des coefficients de filtrage. La transformée en ondelettes inverse résultante constitue une reproduction de haute qualité de l'image originale.
Patent CA-2275405-A1 (CA)
Inventor: GOBLE COLIN CHARLES OWEN
IPC: A61B18/12
Filed: 1997-12-17
Abstract: L'invention concerne un générateur de hautes fréquences pour un système électrochirurgical comprenant un ensemble de deux électrodes prévu pour être immergé dans un fluide électriquement conducteur. Ce générateur comprend un circuit de commande permettant de réduire rapidement la puissance de sortie hautes fréquences fournie d'au moins 50 %, en au moins quelques cycles de tension de sortie hautes fréquences de pointe atteignant une limite de seuil prédéterminée. De cette manière, la coagulation tissulaire peut être assurée, par exemple, dans du sérum physiologique sans génération de vapeur significative. La même technique de limitation de tension de pointe est utilisée dans un mode de coupe ou vaporisation tissulaire pour limiter la taille de la poche de vapeur au niveau des électrodes et éviter le brûlage des électrodes. Le générateur comporte un étage push-pull de sortie avec un circuit de sortie résonnant en série, l'étage de sortie étant entraîné par un oscillateur à haute fréquence, à une fréquence qui, en général, diffère de la fréquence de résonance du circuit de sortie résonnant. La commande de puissance est assurée en faisant varier le temps de MARCHE des transistors de commutation constituant la paire de sortie push-pull et en modifiant l'intervalle entre la fréquence d'excitation et la fréquence de résonance du circuit de sortie résonnant en série. Dans un autre mode de réalisation, une configuration en pont utilisant deux paires push-pull est utilisée, ce qui donne une autre variable de commande de puissance: la phase relative des signaux d'entraînement des paires de transistors correspondantes.
Patent CA-2275820-A1 (CA)
Inventor: COOK GARY R
IPC: E21B47/04
Filed: 1999-06-21
Abstract: The present invention is a method for monitoring contact levels of fluids in a subterranean oil reservoir. A monitoring wellbore is provided from an earthen surface into the oil reservoir which includes an oil zone, a water zone, and a gas zone, each having a level in the reservoir. The monitoring wellbore contains a plurality of fluids including an oil phase, a water phase and a gas phase, each have a level in the monitoring wellbore which substantially corresponds to the level of the oil, water and gas zones, respectively, in the reservoir proximal to the monitoring wellbore. The method includes positioning a transducer pair having a first and a second transducer in the oil phase of the monitoring wellbore, transmitting a plurality of first acoustic output signals from the first transducer in a first direction and transmitting a plurality of second acoustic output signals from the second transducer in a second direction. A gas/oil interface is contacted with one of the first acoustic output signals and a first acoustic input signal is reflected back to the first transducer in response to the contact. A contact level of the oil and gas zones is determined from the first acoustic input signal. A water/oil interface is contacted with one of the second acoustic output signals and a second acoustic input signal is reflected back to the second transducer in response to the contact. A contact level of the oil and water zones is determined from the second acoustic input signal. The transducer pair is continuously maintained in the monitoring wellbore during a long-term monitoring period and determination of the contact levels is periodically repeated throughout the long-term monitoring period.
Patent CA-2276266-A1 (CA)
Inventor: GUNDRY STEVEN R
IPC: A61M25/00
Filed: 1998-01-09
Abstract: A cannula (14) comprises a proximal end (20), a distal end (22), and a lumen (24) extending between the proximal and distal ends, wherein at least a portion of the cannula body (18) is non-circular in cross section, preferably oval. A cannula wherein a portion of the cannula body is oval in cross section is ideally suited in surgical procedures wherein the cannula extends through a percutaneous aperture. The oval portion of the cannula body utilizes the space of the percutaneous aperture efficiently, thereby minimizing the necessary size of the access aperture.