baber/WOPTO huggingface dataset:
Patent CA-2089500-A1 (CA)
Inventor: NISHIMURA TATSUO
IPC: E21B47/10
Filed: 1993-02-15
Abstract: A method and an apparatus capable of measuring the density  of  steam  within  a  steam  pipe  even  in  limited environmental conditions such as in a steam injection well.  A vessel which accommodates therein first and second neutron detectors disposed in mutual longitudinal alignment with a neutron source interposed therebetween and in which the second detector is  covered with  a neutron  shielding capable  of absorbing thermal neutrons while allowing epithermal neutrons to penetrate therethrough is inserted into the steam pipe together with a thermal neutron shielding sheet completely surrounding the vessel.  From the neutrons which were emitted from the neutron source and penetrated through the neutron shielding and which have again penetrated through the neutron shielding in the opposite direction to again reach a steam region,  those epithermal neutrons which have not undergone transformation to thermal neutrons within the steam region are detected by the first and second detectors while the thermal neutrons resulting from the transformation are detected by the first detector only.  The steam density is determined on the basis of a cadmium ratio derived from the counts of the two detectors.
Patent CA-2095257-A1 (CA)
Inventor: DE GAUDENZI RICCARDO
IPC: H04J13/00
Filed: 1992-08-28
Abstract: 2095257 9305589 PCTABS00161 Avant de moduler la porteuse de transmission, chaque signal de données binaire se trouve codé individuellement en un symbole distinct appartenant à une constellation PSK de N symboles associés à N points distincts de manière à produire deux trains de signaux binaires (I, Q), le première train de signaux binaires (I) étant en phase avec le signal entrant et le second train de signaux binaires (Q) étant en quadrature de phase avec le signal entrant, et en ce que chacun des deux trains de signaux binaires (I, Q) précités est affecté d'une signature propre par combinaison avec un code d'étalement distinct (CI, CQ), de manière à produire deux trains de signaux composites étalés destinés à être appliqués chacun à un modulateur, les deux codes d'étalement (CI, CQ) précités étant en corrélation croisée quasi-orthogonale. Le procédé est utilisable dans un système de communications par satellite en particulier pour la transmission numérique du son et les communications par micro-terminaux terrestres.
Patent CA-2097587-A1 (CA)
Title: Gsm interference band selection and reduced power handover
Inventor: MENICH BARRY J
IPC: H04B7/26
Filed: 1992-08-24
Abstract: A method is offered of achieving a desired C/I ratio within a cellular system, at reduced transmitter power levels, by measuring a signal loss on a downlink between a base site transmitter (31) and mobile receiver (20) and calculating an uplink signal magnitude at a base site receiver. A communication channel is then selected from a number of communication channels based upon comparison of the uplink signal magnitude with pre-measured interference levels of each channel of the number of channels to produce a desired C/I ratio.
Patent CA-2098369-A1 (CA)
Inventor: GUIRL JAMES N
IPC: B05B15/12
Filed: 1993-06-14
Abstract: Washers for cleansing metal parts, filters, quartz tubes and the like are either drum washers, or washers in the form of cabinets equipped with sprays. Industrial washers are washers adapted for assembly line cleaning of metal parts.      Separate treating zones lead to the highly cleaned metal surfaces required by many coating processes. A conveying means is usually installed in the ceilings or floors of such washers for continuous transport of fabricated metal articles therethrough, and tanks are disposed in the base of such washers. Chemical cleaning agents utilized in industrial spray washers have a significant corrosive effect on the washer equipment. Herein a life-extending solution to the corrosion problem is provided. Plastic panels are carried by framework members to form a housing over the tanks, spray assembles and drain areas. A feature herein is the provision of framework members in the form of elongated expansion seals carrying the plastic panels while permitting expansion and contraction of the panels without buckling, without leakage or loss of seal despite differences in rates of thermal expansion of plastic and metal.
Patent CA-2099944-A1 (CA)
Title: Solid-State Switch
Inventor: KIDA JUNZO
IPC: H03K17/725
Filed: 1993-07-06
Abstract: A solid-state switch has a plurality of gate turn-off thyristors connected in the rungs of a ladder circuit and a plurality of diodes connected in the side rails of the ladder circuit.  The anode of the first gate turn-off thyristor is connected to the cathodes of the first and second diodes, the cathode of the first gate turn-off thyristor is connected to the anodes of the third  and fourth diodes.  The cathode of the second gate turn-off thyristor is connected to the anode of the second diode and the anode of the fifth diode, the anode of the second gate turn-off thyristor is connected to the cathode of the fourth diode and the cathode of the sixth diode.  The anode of the first diode and the cathode of the third diode are connected together at a common point, which is selected to be one terminal of the switch.  The cathode of the fifth diode and the anode of the sixth diode or the anodes of the last two diodes are connected together at a common point, which is selected to be the other terminal of the switch.
Patent CA-2101700-A1 (CA)
Title: Low-delay audio signal coder, using analysis-by-synthesis techniques
Inventor: DROGO DE IACOVO ROSARIO
IPC: G10L19/12
Filed: 1993-07-30
Abstract: The  low-delay  audio  signal  coding  system,   using analysis-by-synthesis  techniques,  comprises  means  (AFC, AFD)   for  adapting  the  spectral  parameters  and  the prediction order of synthesis filters  (SYC, SYD)  in the coder (CDA, CDB) and decoder (DA, DB), and of perceptual weighting  filters  (FP)  in  the  coder  at  each  frame, starting from the reconstructed signal relevant to the previous frame. In the case of a CELP coder, means (AGC, AGD)  are  also  provided  to  adapt,  starting  from  the reconstructed  signal,  a  factor,  bound  to  the  average power  of the  input  signal,  of the gain by which the innovation vectors are weighted. (Fig. 2).
Patent CA-2102785-A1 (CA)
Inventor: OPHIR JONATHAN
IPC: A61B8/00
Filed: 1992-05-07
Abstract: METHOD AND APPARATUS FOR ELASTOGRAPHIC      MEASUREMENT AND IMAGING                 ABSTRACT OF THE DISCLOSURE      An improved ultrasonic pulse-echo method and apparatus that has particular application in making precision measurements of compressibility in any backscattering material, in particular organic tissue, is disclosed.  The method employs a standard transducer or transducer containing device which is translated transaxially, thereby compressing or displacing a proximal region of a target body in small known increments.  At each increment, a pulse is emitted and an echo sequence (A-line) is detected from regions within the target along the sonic travel path or beam of the transducer.  Resulting time shifts in echo segments corresponding to features in the target, corrected for regions of varying sonic speed along the sonic path, provide relative and quantitative information concerning the strain caused by the compressions.  The stress imparted by the transducer and containing device is also determined, corrected for depth along the sonic path. The appropriate values for stress are divided into the respective values for strain along each path to yield an elastogram, or array of compressibility values, of the target.
Patent CA-2107390-A1 (CA)
Title: Packaging material and method of making a packaging material
Inventor: MUELLER WALTER B
IPC: B65D65/40
Filed: 1993-09-30
Abstract: A packaging laminate which includes a layer of polymethylpentene film and a sealant film. The films may be bonded by corona treatment. The laminate displays high oxygen transmission and heat resistance and may be used as a packaging material for produce such as cauliflower, broccoli and lettuce.
Patent CA-2110160-A1 (CA)
Title: Protective camera housing and optical system for use in destructive environments
Inventor: ADERMANN DAVID A
IPC: G08B15/00
Filed: 1992-06-12
Abstract: A protective camera housing is designed to protect a high speed film or video camera (16) or other delicate instrumentation whilst it films or operates in close proximity to a blast in an underground mine, or other destructive environment. A faceplate with an obtuse angle of attack to the direction of travel of forces generated during underground blasting, an inbuilt shock absorbing gasket between all body plates and chassis members, rubber mounting pods and a construction material which is ''bullet proof'' all combine to give a high degree of protection against explosion debris and blast shock waves. An optical prism (15) built into the said faceplate bends the camera field of view through 90 degrees, allowing the camera housing to be placed in a prepared ''hole in the mine tunnel wall'' where the high speed camera can ''look around the corner'' but remain protected from the destructive forces of the blast.
Patent CA-2113038-A1 (CA)
Title: Globe valve
Inventor: CREW DAVID R
IPC: F16K15/18
Filed: 1994-01-07
Abstract: ABSTRACT OF THE DISCLOSURE         A globe valve has a plug which is moveable into engagement with a seat with a suitable operating mechanism. The plug is guided for movement within a branch of the valve body by means of guide rods.  The guide rods are formed separately from the valve body and are secured in position by the combination of protrusion engaging a pocket at one end of each rod and a fillet weld at the opposite end of each rod.  The rods are preferably coated with a wear resistant material, for example stellite.
Patent CA-2113338-A1 (CA)
Title: Full open can end closure
Inventor: SLADE JOHN ALAN WALMER
IPC: B21D51/44
Filed: 1992-07-10
Abstract: A can end closure comprises (i) a panel formed with a rim portion (2) and (ii) a central panel (4) substantially fully severed from the rim portion (2) and having a peripheral free edge portion (5). The rim portion is formed with spaced parallel folded portions (F1 and F2) defining a groove G within which the peripheral free edge portion (5) of the central panel (4) is positioned.  Sealant (8) hermetically seals the central panel (4) to the rim portion (2). A push-in closure C in the central panel (4) comprises a closure tab (10) severed from the panel (4) along line (11) except for a hinge portion (12) and has a peripheral free edge portion (14) in overlapping underlying relationship with an edge portion (15) of the central panel (4). A latch means (17) formed in the edge portion (14) and engaging the free edge of the edge portion (15) prevents unintended inward movement of the tab (10).  Sealant (18) hermetically seals the push-in closure C. An inwardly direct abutment (19) formed in the central panel (4) adjacent the closure C opposite the hinge portion (12) comprises a substantially vertical wall portion that defines an anchor point for the tip of the bowl of a spoon inserted in the opening formed in the central panel (4) by inward displacement of the closure C and prevents withdrawal of the spoon as the spoon is levered against the rim portion (2) to deform the central panel (4) and remove it from the rim portion (2). The position of the peripheral free edge portion (5) between the folded portions (F1 and F2) facilitates easier removal of the central panel (4) from the rim portion (2) with a less variable removal force than was required with prior art constructions.
Patent CA-2115432-A1 (CA)
Title: Substituted .beta.-amino acid derivatives useful as platelet aggregation inhibitors
Inventor: BOVY PHILIPPE R
IPC: A61K31/215
Filed: 1992-10-06
Abstract: Novel substituted beta-amino acid; derivatives having general formula (I), are provided, in which e.g. R2 is selected from the group consisting of hydrogen, lower alkyl radicals, lower alkenyl radicals, lower alkynyl radicals, alicyclic hydrocarbon radicals, aromatic hydrocarbon radicals, wherein said radicals are optionally substituted with hydroxy, lower alkoxy, lower alkyl, halogen, nitro, cyano, azido, ureido, ureylene, carboxyl or carbonyl derivatives, trifluoromethyl, acyloxy, alkylthio, arylthio, alkylsulfenyl, arylsulfenyl, alkylsulfonyl, arylsulfonyl, amino, alkylamino, trialkylsilyl, aminosulfonyl, dialkylami-no, alkanoylamino, aroylamino, phenyl, naphtyl, lower alkynyl which are optionally substituted with one or more of the fol-lowing: halogen, nitro, lower alkoxy, lower alkyl, trialkylsilyl, azide and phenyl; the invention also pertains to pharmaceuti-cal compositions comprising such derivatives:
Patent CA-2116069-A1 (CA)
Title: Method and Apparatus for Error-Control Coding in a Digital Data Communications System
Inventor: IKEKAWA MASAO
IPC: H04L1/00
Filed: 1994-02-21
Abstract: In order to ensure that a predetermined bit(s) of a bit sequence to be transmitted is correctly received by a receiver, the predetermined bit is extracted from the bit sequence. The extracted bit is encoded and then combined with a bit sequence which has not been extracted. The combined bit sequence is convolutionally encoded and then transmitted to the receiver.      The bit sequence transmitted undergoes maximum-likelihood decoding using Viterbi algorithm, wherein the information of the predetermined bit encoding is used to decode the predetermined bit. Subsequently, the encoded predetermined bit portion is extracted and subjected to block decoding.
Patent CA-2118264-A1 (CA)
Title: Structure for fastening facing structural units
Inventor: BRANHAM WILLIAM K II
IPC: A47F5/08
Filed: 1994-10-17
Abstract: A structural assembly for fastening together and disengaging a slotted supporting unit and a supported unit having adjustable gripping means mounted thereon cooperable with the slotted supporting unit to apply compressive forces to the supporting unit and resulting tensile forces to the supported unit in order to maintain the fastened together units in facing planer relationship.
Patent CA-2121304-A1 (CA)
Title: N-acyl-n, n'-ethylenediaminetriacetic acid derivatives and process of preparing same
Inventor: PARKER BRIAN A
IPC: C07C231/02
Filed: 1994-04-14
Abstract: ABSTRACT   Novel N-acyl derivatives of ethylenediaminetriacetic acid are disclosed, as wellas a process for preparing the same.
Patent CA-2122559-A1 (CA)
Inventor: KANAI TOSHIHITO
IPC: H04B7/26
Filed: 1994-04-29
Abstract: The invention provides channel allocation method which achieves a high frequency utilization efficiency while suppressing the average transmission power by transmission power control. Selection priority degrees and initial minimum transmission power control amounts are set for all radio channels allocated to the system.      The initial minimum transmission power control amounts are set such that the radio channel having higher selection priority degree has higher or at least equal initial minimum transmission power control amount than the lower selection priority radio channel. Upon channel allocation, a radio channel is selected in accordance with the selection priority degree, by the way that calculating the transmission power control amount of the radio channel (S505 to 5507), comparing the transmission power control amount with the initial minimum transmission power control amount (S508), and when the transmission power control amount is equal to or higher than the initial minimum transmission power control amount, then use of the radio channel is permitted.
Patent CA-2122894-A1 (CA)
Inventor: HAUSTEIN HERBERT H
IPC: A01M31/02
Filed: 1994-05-04
Abstract: A  cab  and  observation  or  hunting  stand  is  temporarily attachable to and quickly and easily removable from the front and rear racks of  an ATV.   The  cab may be enclosed for weather protection if desired; at least one openable window and latchable door are provided.  The cab may include a foldable stand on top, for use as an observation and/or hunting stand.   Seating is provided in the stand, along with provision for a removable shade. Stabilization for the stand is provided by at least one stabilizer bar and an access ladder for the stand, which also serves as an additional stabilizing device.  The apparatus may be camouflaged if desired, and lighting may be included within the cab for low light level operations.
Patent CA-2127278-A1 (CA)
Title: Combined visored cap type protective helmet and pouch for bicyclists or the like
Inventor: SHIFRIN ROY
IPC: A42B7/00
Filed: 1993-01-04
Abstract: ABSTRACT OF THE DISCLOSURE      A visored cap-type protective helmet for a bicyclist or the like is formed of a spherical fabric head shell defined by an outer fabric body and a matching spherical inner lining. Circumferentially spaced, generally radial fold lines join the outer   fabric   body to   the   inner   lining   and   form circumferentially adjacent, separate, sector shaped, arcuate pockets.  Soft protective foam plastic pads sized to and of correspondingly  sector  shape  fill  the pockets.   A visor integrated to the head shell at a circumferential bottom edge projects outwardly at the front of the helmet.   A latching strip having one end fixedly mounted to a pocket at the front of the unit detachably fastens to a pocket at the rear of the head shell to permit the unit to be employed as a pouch for carrying articles and permitting the visor, when folded in, to be captured within the same pocket.
Patent CA-2127670-A1 (CA)
Inventor: FIELD MICHAEL
IPC: B44D3/12
Filed: 1994-07-08
Abstract: A re-sealable airtight paint applicator cover for re-sealable airtight containment of a paint-wetted area on a paint applicator has first and second clam shell members, the first clam shell member for snug removable airtight engagement with the second clam shell member so as to form a paint applicator wetted end containment cavity therebetween, the cavity adapted to receive therein the paint wetted area of the applicator, an aperture in the re-sealable airtight paint applicator cover for re-sealable airtight mating around a handle of the paint applicator.  The paint applicator wetted area may be placed between the first and second clam shell members and the first and second clam shell members removably and re-sealably mounted together so that the paint applicator wetted area is contained within the cavity and the cavity is airtight. The paint applicator handle extends from the aperture in the re-sealable airtight paint applicator cover.
Patent CA-2129378-A1 (CA)
Title: Temperature control system for an internal combustion engine
Inventor: KUZE YOSHIKAZU
IPC: F01P7/16
Filed: 1994-08-03
Abstract: A control thermostat is connected to a liquid cooling system of an internal combustion engine. The control thermostat has an inlet side housing, an outlet side housing, both the housing being communicated with each other to form a valve passage therein, a thermo-actuator provided in the valve passage, a valve operated by the thermo-actuator. The inlet side housing and the outlet side housing are communicated with coolant passages of the liquid cooling system so that a part of the coolant in the cooling system flows from the inlet side housing to the outlet side housing passing through the valve passage. The thermo-actuator is arranged so as to close the valve when the coolant temperature is higher than a predetermined temperature. A jacket is provided for transmitting heat of the coolant discharged from the outlet side housing to an element of the internal combustion engine, whereby controlling temperature of the element to a constant value.
Patent CA-2131740-A1 (CA)
Title: Power-Actuated Motor-Vehicle Door Latch with Antitheft Mode
Inventor: BUESCHER HANS-JOACHIM
IPC: E05B81/38
Filed: 1994-09-09
Abstract: A motor-vehicle door latch has a latching element movable between a latched position and an unlatched position, and a locking pawl engageable with the element and displaceable between a locked position retaining it in the latched position and an unlocked position allowing it to move into the unlatched position. Power actuation is effected by a planetary-gear drive including a reversible electric motor, a sun gear rotatable by the motor about the planetary axis, at least one planet gear meshing with the sun gear, a planet carrier carrying the planet gear, and a ring gear meshing with the planet gear. An actuating lever is displaceable by a door handle for movement of the locking pawl between the locked and unlocked positions. A coupling element is displaceable by a locking lever between a coupling position wherein it connects the locking pawl with the actuating lever for joint movement from the unlocked to the locked position, and a decoupling position wherein it permits the locking lever to move between its locked and unlocked positions independent of the locking pawl. The locking lever is movable by a manually operable locking element and the planet carrier. This door latch permits manual locking and unlocking of the latch in the antitheft-off condition without having to move the electric motor. An antitheft element is displaceable by the sun gear between an antitheft-on position wherein it maintains the coupling element in the decoupling position and an antitheft-off position wherein it permits movement of the coupling element between the coupling and decoupling positions. An arresting element selectively locks the plane carrier when the antitheft element is in the antitheft-on position.
Patent CA-2133434-A1 (CA)
Title: Apparatus for separating materials
Inventor: WOOD WARWICK N
IPC: B04B1/00
Filed: 1993-04-08
Abstract: Material separating apparatus comprising a rotatable main body (13) and a rotatable rotor (14) disposed within the main body. The rotor (14) comprises first and second end walls (16, 17) spaced apart from one another with a rotor chamber therebetween, with a plurality of generally radially extending blades (18) extending between the first and second end walls thereby separating the rotor chamber into a plurality of sub-chambers. A feed inlet chamber is disposed between the main body and the first end wall. The end walls have a circumferential clearance for permitting the flow of material into and the discharge of the heavier component out of the rotor chamber. A generally centrally disposed discharge is in communication with the rotor chamber for discharging the lighter component from the rotor chamber.
Patent CA-2133439-A1 (CA)
Title: Compounds useful for treating allergic and inflammatory diseases
Inventor: CHRISTENSEN SIEGFRIED B IV
IPC: C07C43/225
Filed: 1993-03-05
Abstract: Novel compounds of formula (I) are described herein. These compounds inhibit the production of Tumor Necrosis Factor and are useful in the treatment of disease states mediated or exacerbated by TNF production. The compounds of the present invention are also useful in the mediation or inhibition of enzymatic or catalytic activity of phosphodiesterase IV and are therefore useful in the treatment of disease states in need of mediation or inhibition thereof.
Patent CA-2133818-A1 (CA)
Title: Combined pressure testing and selective fired perforating systems
Inventor: BURLESON JOHN D
IPC: E21B43/116
Filed: 1994-10-06
Abstract: Abstract Of The Disclosure A system is provided for performing multiple operations on a well in response to multiple fluid pressure increases.  The system includes first and second pressure actuated firing heads and a source of actuating fluid pressure for the firing heads.          A first selective communication device is provided for isolating the  second firing head from the  source of  actuating  fluid pressure until after the first firing head has been actuated and for then communicating the second firing head with the source of actuating fluid pressure in response to actuation of the first firing head.  This system is particularly adapted for allowing pressure testing of a well upon a first fluid pressure increase, followed by perforation of the well upon a second fluid pressure increase.