baber/WOPTO huggingface dataset:
Patent CA-2520780-A1 (CA)
Title: High power implantable battery with improved safety and method of manufacture
Inventor: SCHMIDT CRAIG L
IPC: H01M4/50
Filed: 2004-03-31
Abstract: Implantable medical devices in embodiments of the invention may include one or more of the following features: (a) a hermetic enclosure, (b) a low-power control circuit located in the enclosure, (c) a high-power output circuit located in the enclosure for delivering an electrical pulse therapy, (d) a power source and circuitry located in the enclosure for powering the low-power control circuit and the high-power output circuit, the power source and circuitry, (e) a first high-rate cell, (f) a second high-rate cell electrically connected in parallel to the low-power control circuit and the high-power output circuit, (g) and at least one resistive load electrically connected between the first high-rate cell and the second high-rate cell, the at least one resistive load having a resistive value tolimit, in the event of an internal short in one of the high-rate cells, the rate by which the shorted high-rate cell drains the other high-rate cell.
Patent CA-2522434-A1 (CA)
Inventor: WENZEL WILLIAM R
IPC: E21B4/00
Filed: 2005-09-20
Abstract: A method of adjusting backlash in a down hole bearing assembly involves providing in side by side relation on an outer surface of an inner mandrel a circumferential first threaded seat adapted to accommodate a first nut which engages the first threaded sea t by rotation in a first rotational direction and becomes disengaged by rotation in a second rotational direction and a circumferential second threaded seat adapted to accommodate a second n ut which engages the second threaded seat by rotation in the second rotational direction and becomes disengaged by rotation in the first rotational direction. The first nut is threaded onto the first threaded seat to place the inner mandrel in tension with a first stop and a second stop engaging a thrust bearing. The second nut is coupled to the first nut to resisting any rotational movement of the first nut in the second rotational direction.
Patent CA-2523461-A1 (CA)
Title: Systems, methods, and devices for processing audio signals
Inventor: BARZEGAR FARHAD
IPC: G10L19/00
Filed: 2005-10-13
Abstract: Certain exemplary embodiments provide a method comprising a plurality of activities, comprising: via a CPE gateway: initiating a communications connection between an audio device coupled to the CPE gateway and a network coupled to the CPE gateway; and negotiating on behalf of the audio device with the network for a parameter associated with processing an audio signal to be transmitted across the network, the audio signal corresponding to a selected audio bandwidth from a plurality of audio bandwidths.
Patent CA-2524338-A1 (CA)
Inventor: LUDVIGSEN CARL
IPC: H04R25/00
Filed: 2003-05-09
Abstract: A composite hearing aid system comprises two hearing aids (11, 31) with respective microphones (12, 32) and electronic receivers (17, 37), a microphone (42) and a transmitter (41) adapted to transmit the signal from t he microphone (42) to the electronic receivers. At least one of the hearing aid s (11, 31) comprises means for inverting the phase of the signal received by t he electronic receivers (17, 37). When the phase of the received signal is inverted in one of the hearing aids (11, 31), a release from masking is obtained, and the perceived signal-to-noise ratio is improved. The invention provides a composite hearing aid system, a hearing aid and a method for processing audio signals.
Patent CA-2524527-A1 (CA)
Inventor: GRYC WOJCIECH K
IPC: G06Q50/26
Filed: 2005-10-26
Abstract: There are disclosed systems, method and tools for facilitating group collaborations. In an embodiment, collaborative ideas are represented in a modified tree data structure in which ideas are stored in nodes of the tree (an "idea tree"). Each node may be associated with data storage means, such as a table of records, in which different kinds of data can be stored. Data stored in the idea tree, or a part thereof, may be created, modified, deleted or organized by using various types of collaboration tools. A participant's interaction with the idea tree, or a part thereof, using a particular collaboration tool may be mapped as a transformation of the idea tree from one state to another. Other participants may simultaneously or successively interact with the idea tree, or a part thereof, using the same or a different collaboration tool. A coherent representation of collaborative ideas can be developed and organized without excessive manual effort.
Patent CA-2526011-A1 (CA)
Title: Method for obtaining crude 1,3-butadiene from a c4 fraction
Inventor: HEIDA BERND
IPC: C07C11/167
Filed: 2004-05-19
Abstract: The invention relates to a method for obtaining crude 1,3-butadiene from a C4 fraction, by means of extractive distillation, using a selective solvent in a partition column (TK) in which a partition (T) is arranged in the longitudinal direction of the column, forming a first partial region (A), a second partial region (B) and a lower common column region (C), an extractive wash column (K) being arranged upstream of said partition column. The operation of the partition column (TK) is adjusted by regulating the energy input thereinto (TK) using a bottom evaporator (V) and by means of the arrangement of the number of theoretical separating stages in the lower common column region (C), in such a way that a bottom flow (17) consisting of a purified solvent can be obtained from the partition column (TK).
Patent CA-2526718-A1 (CA)
Title: Braze end isolation layer for generator armature winding bar and method for applying the isolation layer
Inventor: SOWERS LAWRENCE LEE
IPC: F01D25/08
Filed: 2005-11-10
Abstract: A brazed joint between an armature winding bar strand package (16) and a hydraulic header clip end fitting (18) including: a plurality of solid strands (34) and a plurality of hollow strands (36) arranged in a tiered array and forming the strand package, the plurality of hollow strands having free ends that extend axially beyond corresponding free ends of solid strands; a cavity (42) in the end fitting into which extents the free ends of the hollow strands and solid strands, and an essentially phosphorous-free silver braze alloy (50, 52) joining the free ends of the plurality of hollow strands and said corresponding free ends of solid strands to each other and to interior surfaces of the end fitting, wherein said braze alloy forms an isolation layer (52) over the free ends of the solid strands.
Patent CA-2526996-A1 (CA)
Title: High-pressure discharge lamp having a pulse starting device, and operating method for a high-pressure discharge lamp
Inventor: HIRSCHMANN GUENTHER
IPC: F21Y101/00
Filed: 2005-11-15
Abstract: The invention relates to a high-pressure discharge lamp having electrodes arranged inside a discharge vessel which define a discharge path of a gas discharge in the discharge vessel, and having a starting device, arranged inside the lamp base for the high-pressure discharge lamp and designed as a pulse starting device, for starting the gas discharge in the discharge vessel, and having, arranged outside its discharge vessel, an auxiliary starting electrode coupled to the pulse starting device, the voltage input of pulse starting device being connected in parallel with the discharge path of the high-pressure discharge lamp, such that according to the invention the voltage across the discharge path serves as supply voltage for the pulse starting device. Also disclosed is an operating method for such a high-pressure discharge lamp.
Patent CA-2529219-A1 (CA)
Inventor: TANAKA DON
IPC: A61M1/04
Filed: 2005-12-07
Abstract: A collateral ventilation bypass system with chest tube evacuation device may be utilized in combination to removed trapped air from the lungs. With the chest tube evacuation device, any air trapped in the pleural space may be evacuated through the bypass system to prevent a pneumothorax.
Patent CA-2530792-A1 (CA)
Inventor: RAISANEN TIMO
IPC: B65D65/42
Filed: 2004-04-27
Abstract: The invention relates to a package intended for thermal treatment comprising a fibre-based packaging material treated with a hydrophobic size and comprisin g one or more layers for reduced water penetration outside and/or inside the fibre substrate. The package of the invention is characterised by the fibre substrate being treated with a combination of a wet-strength size, a hydrophobic size and an aluminium and/or calcium compound for increased heat resistance of the packaging material, and in that the ratio of hydrophobic size to the aluminium and/or calcium compound is 1:1-1:10.
Patent CA-2532158-A1 (CA)
Title: Opposing pump/motors
Inventor: GRAY CHARLES L JR
IPC: F16H61/4096
Filed: 2004-06-16
Abstract: Two motors (12, 14) are arranged on opposing sides of a common shaft (16), drive plates (30, 32) of the pump/motors (12, 14) being rigidly coupled to each other, for example by being in hard contact with opposing sides of the shaft (16). Control means are provided for selectively moving the two pump/motors substantially simultaneously to a selected displacement angle, using mechanical systems alone and in combination with hydraulic systems.
Patent CA-2532867-A1 (CA)
Inventor: DICK STEPHEN G
IPC: H04L12/26
Filed: 2004-10-21
Abstract: A method and system is disclosed for providing intelligent remote access to wireless transmit/receive units (WTRUs). A translator is provided in base stations so that system controllers may issue application level network management protocol messages to base stations. The messages are transmitted by the translator to a medium access control (MAC) messaging protocol and forwarded to WTRUs. Information provided by WTRUs to base stations is translated from a MAC protocol to an application level network management protocol so that the information may be accessed by system controllers using application level network management protocols.
Patent CA-2536389-A1 (CA)
Title: Cable connector
Inventor: MOLL HURLEY CHESTER
IPC: H01R24/38
Filed: 2004-08-24
Abstract: A cable connector is provided. The cable connector includes a connector housing having a cavity for receiving a contact along an axis, and the cavity has a protrusion therein. The protrusion extends through the axis so that as the contact is inserted into the cavity along the axis, the contact is deflected by the protrusion until the contact moves past the protrusion into a locked position. The contact has a body section with at least one wing extending therefrom. The wing contacts the protrusion as the contact is inserted into the cavity along the axis causing the contact to rotate about the axis.
Patent CA-2536761-A1 (CA)
Inventor: HUGGETT ANTHONY COURT
IPC: B31B50/68
Filed: 2004-07-29
Abstract: This invention relates to a collapsible container (1) and more particularly, but not exclusively, to a collapsible container for use in packaging and transportation. The collapsible container includes a number of panels (2) each having a panel body, with elongate tubular members (6) secured to edges of the bodies. Each of the tubular members has at least one recessed section that forms interlocking engagement means.
Patent CA-2538554-A1 (CA)
Inventor: WILLING BERT
IPC: G01N21/39
Filed: 2004-07-30
Abstract: The gas detector device comprises at least a VCSEL source (34, 36) and at least a light sensor (54, 56) for detecting a light beam (50, 52) having passed through a sample chamber (48) containing a given gas to be detected.  The sensor is a photodiode in a first embodiment and its detection signal is time derivated by an electronic derivator (64) and then provided to two lock-in amplifiers (84, 86) in order to generate a F-detection and a 2F-detection, F being the frequency of a wavelength modulation of the source, and thus to provide two corresponding measuring signals the division of which gives a precise value of the gas concentration. In a second embodiment, the source is a pyroelectric sensor which directly provides a detection signal proportional to the time derivate of the light beam incident on this sensor. In this last case, the electronic derivator is thus eliminated.
Patent CA-2540348-A1 (CA)
Title: Methods 0f enhancing stress tolerance in plants and compositions thereof
Inventor: FERNANDES MARY
IPC: A01H5/00
Filed: 2004-09-29
Abstract: Increased tolerance to abiotic stress in a plant is provided by introducing DNA expressing a cold shock protein, e.g. bacterial cold shock protein.
Patent CA-2541457-A1 (CA)
Inventor: BRUNSON MARK E
IPC: B23D59/00
Filed: 2006-03-29
Abstract: A saw with a base assembly, a table pivotably attached to the base assembly, a housing pivotably attached to the table, at least one rail slidably connected to the housing, and a saw assembly disposed on the at least one rail. The saw assembly includes a motor, and a blade driven by the motor. The saw also includes a dust collector attached to the saw assembly, the dust collector having a tube that extends through the housing.
Patent CA-2541506-A1 (CA)
Title: Immunogenic compostion and method of developing a vaccine based on psoralen inactivated hiv
Inventor: KARP NELSON M
IPC: A61K39/12
Filed: 2004-10-25
Abstract: An antigenic and immunogenic composition of predetermined inactivated strains of human immunodeficiency virus (HIV) is disclosed. Inactivation is through psoralen and ultraviolet radiation; the composition is rendered more effective by the removal of structural features of HIV that interfere with immune response. In particular, sialic acid is removed to enhance immune recognition of the composition and to impair Complement Factor H binding. CD55 and CD59 are also removed to prevent the binding of Complement Factor H. Determination of strains for inactivation may be though immunotherapeutic genotyping or probabilistic assessment of risk of exposure.
Patent CA-2547011-A1 (CA)
Inventor: LI ANWU
IPC: B23K20/02
Filed: 2004-11-19
Abstract: This invention relates to a method of bonding a metallic membrane with metallic part involving pressing a smooth surface of the metallic membrane against the smooth surface of the metallic part, and heating the metallic membrane and metallic part to a temperature above the half melting point of the metallic membrane while subjecting the metallic membrane and metallic part to a controlled environment of a proper gas atmosphere. The metallic membrane can comprise palladium and the pressurized gas can comprise one of hydrogen, an inert gas or their mixture.
Patent CA-2547307-A1 (CA)
Inventor: HUMPHREYS ERIC R
IPC: C07D473/32
Filed: 1997-01-20
Abstract: Process and novel intermediates for preparing the L-monovaline ester of 2-(2-amino-1,6-dihydro-6-oxo-purin-9-yl)-methoxy-1,3-propanediol (ganciclovir) and its pharmaceutically acceptable salts. The present process and monoester intermediates provide for monoesterification by an L-valine derivative, resulting in a monocarboxylate-monovalinate which is then selectively hydrolyzed under basic or enzymatic conditions to give the monovaline ester of ganciclovir, of formula (I)   in high yield and purity. These products are of value as antiviral agents with improved absorption.
Patent CA-2548609-A1 (CA)
Inventor: KRUTTSCHNITT ANDREAS
IPC: B62D5/00
Filed: 2004-12-02
Abstract: The invention relates to a superimposed steering system (1) for a vehicle, in particular a servo-assisted or power steering system for a motor vehicle. Said system comprises a differential drive (4), which is configured as a shaft drive (11) and has a first input shaft (2) and a second input shaft (3), for superimposing the rotational angles that occur in the first and second input shafts (2,3) on an output shaft (5) of the differential drive (4). The output shaft (5) acts on an input shaft (6) of a steering gear (7). The first input shaft (2) interacts with a steering handle (9) by means of a steering shaft (8) and the second input shaft (3) interacts with a servo motor (10). The aim of the invention is to provide a superimposed steering system that can apply an additional steering angle, without play, to the output shaft (5) and that has a simple, cost-effective, space-saving construction, whilst being easy to install. To achieve this, the first input shaft (2) is directly connected in a detachable manner to a radially flexible flex-spline (13) of the shaft drive (11), said first input shaft (2) passing through an eccentric drive core (12) of the shaft drive (11), which extends into the radially flexible flex spline (13).
Patent CA-2548852-A1 (CA)
Inventor: KRBEC MARIANNE
IPC: B60J5/06
Filed: 2004-12-22
Abstract: An unlock mechanism for a rotary door operator of a transit vehicle includes a pivotally disposed unlock member adapted for rotating a lock member into an unlock position and activating a valve for discharging the fluid pressure from the drive cylinder to enable manual opening of the door. A spring is provided for biasing the unlock member to a non-activated position. The unlock member may be activated either with a cable or a lever handle. A lock sensing switch provides a feedback on the lock condition to the transit vehicle control system. Additionally, a guiding bracket is provided for securing the cable in proximity of the unlock member.
Patent CA-2548962-A1 (CA)
Title: Method and apparatus for directional drilling
Inventor: LAKING RODGER
IPC: E21B10/26
Filed: 2003-12-11
Abstract: The present invention is directed at a pullhead/reamer for use in digging a hole in the ground; comprising a first end (22) shaped to receive a mandrel struts, connecting the first end to the second end, the struts defining a set of open flutes (48) therewithin; and a set of slurry jets (50); wherein when the pullhead/reamer is in use, the set of slurry jets release a pressurized liquid to mix with the ground producing a slurry which enters the pullhead/reamer via the open flutes.
Patent CA-2549456-A1 (CA)
Title: Process of preparing glycolaldehyde
Inventor: PUGH ROBERT IAN
IPC: C07F9/6571
Filed: 2004-12-15
Abstract: The invention provides a process of preparing glycolaldehyde by reacting formaldehyde with hydrogen and carbon monoxide in the presence of a catalyst composition which is based on, a) a source of rhodium, and b) a ligand of general formula R1P-R2(I), wherein R1 is a bivalent radical that together with the phosphorous atom to which it is attached is an optionally substituted 2-phospha-tricyclo[3.3.1.1{3,7}]-decyl group, wherein from 1 to 5 of the carbon atoms has been replaced by a heteroatom, and wherein R2 is a monovalent radical which is an optionally substituted hydrocarbyl group having from 1 to 40 carbon atoms; a catalyst composition of use in said process; and a process of preparing ethylene glycol from the glycolaldehyde thus prepared.
Patent CA-2549876-A1 (CA)
Inventor: WALTERS CAMERON
IPC: H02M7/06
Filed: 2004-07-19
Abstract: A method and apparatus is disclosed for providing a regulated voltage output from a variable voltage source, alternately using saturation control and cancelling control to regulate output.
Patent CA-2552381-A1 (CA)
Title: Systems and methods for the selection and purchase of digital assets
Inventor: SULLIVAN JOHN J
IPC: G06Q30/00
Filed: 2004-12-30
Abstract: The present invention provides systems and methods for enabling a customer to sample content and select content for purchasing while the customer is in a retail store. Advantageously, the customer may be given one or more options for the delivery of the content.
Patent CA-2553167-A1 (CA)
Title: Biased card deal
Inventor: CAMPBELL DARRELL D
IPC: A63F1/14
Filed: 2004-10-07
Abstract: Published without an Abstract
Patent CA-2554412-A1 (CA)
Title: Rapid acquisition methods and apparatus for gps signals background
Inventor: KRASNER NORMAN F
IPC: H04W64/00
Filed: 2005-01-27
Abstract: A method and apparatus are disclosed for fixing the location of a receiver using transmitted signals that include a unique periodically repeating sequence. The apparatus and method are useful in communication systems, especially unsynchronized systems, such as A-GPS utilized on GSM and UMTS  cellular telephone systems. A received signal is stored by the receiver for at least two repetitions of the periodically repeating sequence. FFT operations are performed, and the resulting data frequency samples are pruned responsive to a hypothesized residual frequency. This reduces the number of subsequent calculations required and the processing time. A correlation series is determined from the pruned samples and reference frequency samples corresponding to a hypothesized transmitter. If a match is found, a code phase offset is determined; if not, the process is repeated with another hypothesized residual frequency. Multiple correlation series similarly obtained may also be incoherently combined prior to this examination.
Patent CA-2559655-A1 (CA)
Inventor: MOQUIN PHILIPPE
IPC: H04M1/60
Filed: 2006-09-13
Abstract: A system and method for automatic identification and integration of audio/visual devices in a room for multi-media conferencing operation. Each device includ es a circuit that periodically emits a signal that is recognized by another device. Upon receiving the signal, the other devices respond with information relating to how they can inter- communicate with each other over one or more networks they are connected to. An ad- hoc conferencing network is established between the integrated devices, such that the quality of multi-media conferencing is improved through the use of all the available devices within a room. The signal is preferably one that is confined to a room, and a specific protocol can be implemented to manage the exchange of information between the devices.
Patent CA-2559899-A1 (CA)
Title: Shingle with interlocking water diverter tabs
Inventor: MARTINIQUE JEFF
IPC: E04D1/12
Filed: 2005-03-11
Abstract: A shingle includes a body having a top surface, a bottom surface, an upper end, a lower end, a first side, and a second side. The body has a width defined as the distance between the first and second sides and a length defined by the distance between the upper and lower ends. In a preferred embodiment, the shingle also includes a water diverter tab attached to the first side for channeling water onto the top surface of a lower adjacent shingle, and a recess adjacent to the second side for receiving the water diverter tab of a laterally adjacent shingle in an interlocking manner. An anchor tab attached to the second side s cures the lower ends of adjacent, interlocked shingles.
Patent CA-2562089-A1 (CA)
Title: Apparatus, system and methods for dispensing products
Inventor: GAASCH THOMAS F
IPC: G07F11/26
Filed: 2005-04-15
Abstract: Products are dispensed from a dispensing apparatus in which products marked with transaction information are received in a two-dimensional array of moveable bins. In response to control information synthesized from transaction information on the products in the bins and a dispense request, the array is operated to place a bin at a dispensing station on the dispensing apparatus.  At the dispensing station, a mechanism is operated in response to the control information to provide access to the bin. A product in the bin may then be retrieved.