baber/WOPTO huggingface dataset:
Patent CA-2245854-C (CA)
Title: Method for allocating frequency carrier in cellular system
Inventor: HAMABE KOJIRO
IPC: H04W16/12
Filed: 1998-08-27
Granted: 2003-10-07
Abstract: A frequency carrier allocating method is provided which can effectively utilize frequency carriers when the traffic of the uplink is asymmetric to that of the downlink in the FDD cellular system. Plural frequency carriers are arranged in each of two frequency bands FB1 and FB2. Base stations are divided into two groups BSG1 and BSG2. In the group BSG1, frequency carriers in the frequency band FB1 are allocated to the downlink of a base station while frequency carriers in the frequency band FB2 are allocated to the uplink thereof. In the group BSG2, frequency carriers in the frequency band FB2 are allocated to the downlink of a base station while frequency carriers in the frequency band FB1 are allocated to the uplink thereof. Bi-directional communication is performed between the base station and a mobile station using the frequency of the frequency carrier.
Patent CA-2246126-C (CA)
Title: New piperazine compounds
Inventor: TULP MARTINUS T M
IPC: C07D413/12
Filed: 1998-08-28
Granted: 2006-10-31
Abstract: The invention relates to a group of novel piperazine and piperidine derivatives having interesting pharmacological properties.      The compounds have the general formula (a) (see formula I) wherein - R1 is hydrogen or fluoro, - R' is H or C1-4-alkyl, R2 is H, C1-4-alkyl or an oxo group, or R' and R2 together represent a bond, - R" is H or C1-4-alkyl , and the dotted lines can represent a single or double bond; - p has the value 0-2, - Y represents C, O, N or S, - T represent N or C, - R3 and R4 independently are hydrogen or C1-4-alkyl, - n has the value 1 or 2, - Q is a group of the formula -CH2-C(R5R6)-Z-R7 wherein R5 and R6 represent H  or C1-7alkyl, C1-3-alkylphenyl, Z represents -C(R6R9)-O-, -C(R8R9)-C(=O)-, -C(R8R9)-C (=NOR10)-, -NH-C(=O)- or -O-CH2-, wherein R8 - R10 represent H or C1-4-alkyl, and R7 is a 5- or 6-membered cyclic group, aromatic group or hetero-aromatic group, or the 1- or 2-adamantyl group, which group R7 can be substituted with O-C1-4-alkyl, CN, halogen or C-1-4-alkyl, with the proviso that R 7 cannot be 1-alkylcycloalkyl, and that compounds wherein Z is the group-NH-C(=0)- and R5=R6=H, T is nitrogen, and the bicylic group is 1,4-benzoxazin-8-yl, quinoxalin-5-yl, quinolin-5-yl, indol-4-yl, benzoxazol-7-yl, benzimidazol-4-yl, benzothiazol-7-yl are not included, and salts thereof. These compounds have high affinity for both the dopamine D2 receptors and serotonine 5-HT1A receptors.
Patent CA-2249207-C (CA)
Inventor: HENRY BRIAN
IPC: A63G21/20
Filed: 1998-10-05
Granted: 2004-03-02
Abstract: A playground shuttle device includes a track having an upper surface and a lower surface and a support structure connected to and supporting the track.  The shuttle device includes a shuttle having a housing defining a chamber through which the track traverses and a transport assembly carried by the housing. The transport assembly includes a plurality of wheels rotatably mounted thereto and positioned so as to ride along the upper surface of the track. The transport assembly includes a brake assembly operably connected thereto by a biasing element. The brake assembly includes at least one brake element that is engagable with the track. The brake assembly is movable relative to the transport assembly between a brake position wherein the brake element engages the track and a free-roll position wherein the brake element is disengaged from the track. When a force is applied to the brake assembly against the biasing element, the brake elements are disengaged from the track to move the shuttle to the free-roll position. Removal of the force from the brake assembly engages the brake element with the track to move the shuttle to the brake position.
Patent CA-2250840-C (CA)
Inventor: BOLD GUIDO
IPC: C07C233/21
Filed: 1997-04-14
Granted: 2006-07-04
Abstract: There are described compounds of formula (I*) wherein R1 is lower alkoxycarbonyl, R2 is secondary or tertiary lower alkyl or lower alkylthio-lower alkyl, R3 is phenyl that is unsubsituted or substituted by one or more lower alkoxy radicals, or C4-C8cycloalkyl, R4 is phenyl or cyclohexyl each substituted in the 4-position by unsaturated heterocyclyl that is bonded by way of a ring carbon atom, has from 5 to 8 ring atoms, contains from 1 to 4 hetero atoms selected from nitrogen, oxygen, sulfur, sulfinyl (-SO-) and sulfonyl (-SO2-) and is unsubstituted or substituted by lower alkyl or by phenyl-lower alkyl, R5, independently of R2, has one of the meanings mentioned for R2, and R6, independently of R1, is lower alkoxycarbonyl, or salts thereof, provided that at least one salt-forming group is present. The compounds are inhibitors of retroviral aspartate protease and can be used, for example, in the treatment of AIDS. They exhibit outstanding pharmacodynamic properties.
Patent CA-2251856-C (CA)
Inventor: ORNDORFF ROY LEE JR
IPC: B05D5/08
Filed: 1997-04-18
Granted: 2004-04-06
Abstract: A bearing assembly for supporting a drive shaft includes a cylindrical housing (15), and a plurality of elastomeric bearing sections (20) disposed within the housing. The bearing sections (20) are bonded to the housing (15) by fist applying a pattern of alternating parallel lines of adhesive to the inner diameter of the housing, installing the bearing sections (20), and inflating an airbag within the housing to thereby apply a uniform radial pressure to the inside of the housing while the adhesive cures.
Patent CA-2260016-C (CA)
Title: Substituted pyridines as selective cyclooxygenase-2 inhibitors
Inventor: DUBE DANIEL
IPC: C07D213/00
Filed: 1997-07-08
Granted: 2004-03-09
Abstract: The invention encompasses the novel compound of formula (I) as well as a method of treating COX-2 mediated diseases comprising administration to a patient in need of such treatment of a non-toxic therapeutically effective amount of a compound of formula (I). The invention also encompasses certain pharmaceutical compositions for treatment of COX-2 mediated diseases comprising compounds of formula (I).
Patent CA-2261550-C (CA)
Inventor: NEGISHI TOHRU
IPC: G02C1/06
Filed: 1999-02-09
Granted: 2005-11-01
Abstract: An ophthalmic mounting for bifocal lenses includes a pair of rims on which a pair of right and left bifocal lenses are mounted. The rims are symmetrically arranged with respect to a vertical axis. The ophthalmic mounting includes a pair of pad arms connected to the rims, and a pair of nose pads detachably secured to the pad arms and oriented to diverge downwardly from the vertical axis. The nose pads includes a pair of generally flat bodies, a pair of guides integrally formed in the bodies and having a pair of elongated guide recesses, and a pair of slides. The slides have a pair of sliding portions slidably received within the respective guide recesses, and a pair of mounting portions connected to the respective sliding portions and detachably secured to the pad arms. The guide recesses lie on two substantially parallel imaginary vertical planes, respectively so as to enable the slides to be smoothly moved along the guide recesses.
Patent CA-2264878-C (CA)
Title: Optical dispersion compensation
Inventor: LAMING RICHARD IAN
IPC: H04B10/2569
Filed: 1997-08-04
Granted: 2006-10-31
Abstract: A chirped optical fibre grating formed by impressing a chirped substantially periodic refractive index variation on a polarisation-maintaining optical fibre. The polarisation state of a laser transmitter (10) is maintained through an external modulator (20) and a polarisation maintaining circulator (30) by the use of polarisation maintaining fibre pigtails (40) aligned to one of the principal axes of high birefringence optical fibre used to fabricate the dispersion compensating grating (50). On reflection, light is output from the third port (60) of the circulator. Since only one polarisation mode of the grating (50) is excited, the PMD in the grating is eliminated. The polarisation maintaining circulator (30) comprises input/output lenses (32) at each port, a polarisation beam splitter (34) and a Faraday rotator (36). Light entering the circulator at the input port is arranged to be in a polarisation that passes through the polarisation beam splitter (34) towards the second port of the circulator. The light is rotated by 45° in the rotator (36). The grating (50) and the fibre pigtail at the second port of the circulator are arranged with their principal axes rotated by 45° with respect to the axes of the input to the circulator. Light reflected from the grating is then further rotated by 45° by the rotator, into the polarisation which is deverted by the polarisation beam splitter (34). This light is therefore diverted to the third output (60) of the circulator. Another embodiment in which two chirped gratings (100, 110) are formed in high birefringence polarisation maintaining fibre with axes aligned, and a 45° Faraday rotator (120) is placed inbetween.
Patent CA-2265350-C (CA)
Inventor: REICHEL KURT O
IPC: E04B2/86
Filed: 1999-03-16
Granted: 2007-10-23
Abstract: A reinforcing bar support or hanger for use in a masonry block wall incorporates a pair of supporting arms for contacting the surface of a supporting block and includes vertically extending hanger members terminating in a rebar cradle for receiving and supporting a rebar to be positioned within the wall. The support arms have a transverse length less than the transverse thickness of the masonry wall and the vertical thickness of the support arms is equal to or less than the thickness of the mortar joints between successive courses of the wall. The hanger may include longitudinally extending ridges for assisting in the transverse positioning of the hanger within the masonry block.
Patent CA-2266116-C (CA)
Title: Multiplexors with a flat top spectral channel shape
Inventor: DUCELLIER THOMAS
IPC: G02B6/34
Filed: 1999-03-18
Granted: 2003-11-11
Abstract: A multiplexing/demultiplexing optical circuit provides a demultiplexed output spectrum of channels having a flat amplitude response without sacrificing optical power. A phased array implementation and a diffraction grating implementation both rely on a first dispersion of the beam to be demultiplexed and subsequent division of the wavelengths into channels. Local inversion is induced within each channel of the dispersed wavelengths about a channel central wavelength. After the wavelengths are spatially inverted, they are once again provided to a dispersion element or array effectively nullifying the dispersion effects across the channel band to provide output channels having a substantially "flat-tops", while providing good channel separation through global dispersion of all the wavelengths.
Patent CA-2270352-C (CA)
Inventor: OROCIO REUEL S
IPC: B42D15/10
Filed: 1997-11-17
Granted: 2003-03-18
Abstract: L'invention concerne un système d'identification et d'information permettant d'établir un lien entre des entités discrètes. Ce système comprend des informations primaire (30) et secondaire (40) concernant des entités primaire et secondaire, lesquelles informations sont stockées sur des supports d'information primaire (14) et secondaire (16). On peut coder les informations primaire et secondaire en vue d'une lecture mécanique établissant le lien entre les entités primaire et secondaire.
Patent CA-2277067-C (CA)
Inventor: HEIMANN ROBERT L
IPC: C25D9/04
Filed: 1998-01-30
Granted: 2010-01-26
Abstract: The disclosure relates to a process for forming a deposit on the surface of a metallic or conductive surface. The process employs an electrolytic process to deposit a mineral containing coating or film upon a metallic or conductive surface.
Patent CA-2279378-C (CA)
Inventor: REESLEV MORTEN
IPC: C12Q1/34
Filed: 1998-01-30
Granted: 2005-10-11
Abstract: A method for selectively determining a fungal biomass by detection of a fung al enzymatic activity that is present in substantially all fungal species, such as enzymes involved in chitin metabolism (chitinase , chitin synthase, chitosanase, N-acetyl-glucosaminidase and .beta.-N-acetylhexosamidase). The invention can be used for detecting a fung al biomass in environmental samples, food products, plant materials, building materials, industrial fungal cultures or sample from a human being or animal including blood samples. In particular, 4-methylumbelliferyl N-acetyl-.beta.-D-glucosaminide is used as substrate fo r .beta.-N-acetylhexosamidase (EC 3.2.1.52). This enzyme activity correlates with the amount of fungal biomass present in a sample.
Patent CA-2279760-C (CA)
Title: An adapter and socket assembly for a compact fluorescent lamp
Inventor: PASTERNAK BARTON A
IPC: H01R33/94
Filed: 1999-07-30
Granted: 2002-09-17
Abstract: An assembly for use with a compact fluorescent lamp includes a socket and an adapter. The socket includes a housing having a top surface and a recess extending downward from the top surface toward the bottom end of the socket. The recess is shaped and dimensioned to receive the starter housing of the compact fluorescent lamp. Provided on the top surface are a plurality of spaced apart holes, each hole being positioned to receive one of the terminal pins of the fluorescent lamp. The adapter is designed to connect the compact fluorescent lamps having different types of base configurations with the socket. The adapter includes a base from which a starter housing and a plurality of terminal pins extend downward.  The starter housing is positioned to be telescopically received by the recess of the socket. The starter housing is surrounded by the terminal pins that are positioned away from one another in order to be inserted in the spaced apart holes of the socket. In one embodiment, the base may include a recess for receiving the starter housing of the compact fluorescent lamp and a plurality of spaced apart holes. Each hole is positioned to receive one of the terminal pis of the fluorescent lamp. In another embodiment, the base may have attached thereto a secondary adapter for use with the fluorescent lamp.
Patent CA-2280684-C (CA)
Inventor: LAMB KARL J
IPC: H02K49/06
Filed: 1998-02-20
Granted: 2002-08-20
Abstract: An adjustable coupler has a group of magnet rotors with permanent magnets separated by air gaps from non-ferrous conductor elements presented by a group of conductor rotors. The air gaps are adjusted by axial movement of one of the groups relative to the other to vary the slip of the coupler and control the load speed under varying load conditions.
Patent CA-2283807-C (CA)
Inventor: ENGLAND MELVIN GERRARD
IPC: G01N3/08
Filed: 1998-03-12
Granted: 2007-10-09
Abstract: There is disclosed a method and apparatus for testing the static load-bearin g capacity of a pile, wherein a test load is applied to the top of the pile (2) by way of a jack (1) braced against a reaction membe r (3) and the magnitude of the test load and the resulting displacement of the pile are measured and communicated to an electronic computer (7). The electronic computer (7) issues control signals to the jack (1) in response to the measured magnitude of the test load so as to apply a predetermined regime of test loads to the top of the pile (2). By automatically monitoring the applied test load, it is possible to maintain a desired load with a high level of accuracy for an extended period of time without the need for operator intervention.
Patent CA-2284096-C (CA)
Title: Anti-microbial coatings having indicator properties and wound dressings
Inventor: PRECHT RODERICK JOHN
IPC: A01N59/16
Filed: 1998-02-17
Granted: 2007-12-04
Abstract: Multilayer anti-microbial materials formed to produce an interference colour, and thus an indicator of anti-microbial effect, are provided. The materials include a partly reflective base layer and a partly reflective, partly transmissive top layer balanced to produce an interference colour. The top layer is formed from an anti-microbial metal with atomic disorder. Dissolution or a change in composition of the top layer on contacting an alcohol or electrolyte causes a change in optical path length so as to produce a change in the interference colour of the material. Multilayer, laminated wound dressings are also provided. The dressing includes a first and second layer, and preferably a third layer. The first and third layers are formed of perforated, non-adherent materials and most preferably carry an anti-microbial coating as above. The second layer is sandwiched between the first and third layers and is formed of an absorbent material. At least one of the layers is formed from a plastic material. The layers are laminated together by ultrasonic welds spaced intermittently on the dressing to allow the dressing to be cut to size with delaminating.
Patent CA-2285568-C (CA)
Inventor: EWICK DAVID W
IPC: C06C7/00
Filed: 1998-03-31
Granted: 2004-08-17
Abstract: An initiator (100) assembled from a housing (112), an output charge (144) and an initiation means (110, 120, 58, 54) includes a pulverulent ignition charge (46a) disposed in direct initiation relation to the initiation means, and an output charge (144) that may contain a pulverulent deflagration-to-detonation transition (DDT) charge (144a) and an explosive base charge (144b). The ignition charge (46a) has an average particle size of less than 10 microns, or even less than 5 microns, e.g., 1 to 2 microns. The initiation means may include a semiconductor bridge (18) and the ignition charge (46a) may be compacted with a force of less than about 5880 psi, e.g., with a force of 1000 psi. In another embodiment, an initiator (210) includes a low-energy electrical initiator (234), a loosely packed BNCP ignition charge (218) and a pyrotechnical output charge (214).
Patent CA-2290580-C (CA)
Title: Device and method for selecting turbo or non-turbo error correction codes based on data type or length
Inventor: PARK CHANG SOO
IPC: H04L1/08
Filed: 1999-04-06
Granted: 2007-09-18
Abstract: There are provided channel encoding/decoding device and method to efficiently transmit/receive voice and data. Data with a low data rate or a short data frame is convolutionally encoded and data with a high data rate or a long data frame is turbo-encoded, thereby increasing encoding performance.
Patent CA-2292544-C (CA)
Inventor: GERLICH JOHAN THEODOOR
IPC: B28B23/02
Filed: 1998-07-16
Granted: 2006-02-14
Abstract: Cette invention concerne une plaque de plâtre renforcée qui comprend une première couche de papier (11), un noyau fait d'un matériau à base de ciment (15), un treillis de renfort (7), ainsi qu'une autre couche de papier (2). Cette couche de papier (2) est adjacente au treillis de renfort (7) qui peut entrer en contact elle.
Patent CA-2293911-C (CA)
Title: Echo cancelling/suppression for handsets
Inventor: POPOVIC MIRJANA
IPC: H04M9/08
Filed: 1999-12-29
Granted: 2004-06-01
Abstract: A method for suppressing echo signals generated in a communication path such as acoustic coupling between a speaker and a microphone in a telephone device handset includes the steps of monitoring signals supplied to the communication path to determine an attribute thereof and masking signals received from the communication path as a function of the determined attribute of the monitored signals thereby to suppress echo.
Patent CA-2297037-C (CA)
Title: Semiconductor devices and methods with tunnel contact hole sources
Inventor: WIERER JONATHAN J
IPC: H01S5/323
Filed: 1998-07-21
Granted: 2005-02-22
Abstract: Semiconductor devices and methods are disclosed in which the amount of p-type material can be minimized, with attendant advantages in electrical, thermal, and optical performance, and in fabrication. A form of the disclosure is did to a generally planar semiconductor device wherein a layer of p-type semiconductor material (122, 119, 126) is disposed over a layer of n-type semiconductor material (105, 107, 110), and an electric potential is coupled between the p-type layer and the n-type layer, and wherein current in the device that is lateral to the plane of the layers is coupled into the p-type layer. A tunnel junction is adjacent the p-type layer for converting the lateral current into hole current. In an embodiment of this form of the disclosure, the tunnel junction is as an n+/p+ (132, 131) junction oriented with the p+ (131) portion thereof adjacent the p-type layer. The lateral current can be electron current in the n+ layer (132) and/or electron current in a further layer of n-type material disposed over the tunnel junction.
Patent CA-2304882-C (CA)
Inventor: KOJOVIC LJUBOMIR A
IPC: H02J3/18
Filed: 1998-09-23
Granted: 2004-12-07
Abstract: A power distribution network including a voltage support transformer (1A,B) is disclosed which uses the fault current from a line (A or B) of the power distribution network in which a fault condition exists to support or stabilize the voltage across one or more other lines of the network connected to the same bus and seeing the same source impedance, to maintain the voltage in those lines substantially at the pre-fault levels. The voltage support or stabilization in the unfaulted line is based upon a current change due to the impedance change in the faulted line caused by the fault.
Patent CA-2309004-C (CA)
Inventor: NAKATSUKA KAZUMITSU
IPC: A61K6/884
Filed: 2000-05-23
Granted: 2010-02-02
Abstract: Provided are a substantially transparent adhesive composition for hard tissue, and a method for producing it. The adhesive composition exhibits good adhesiveness to hard tissue, especially to both enamel and dentin, and has the advantage of improved bonding durability especially in water. This contains (a) a water-insoluble, acid group-containing polymerizable monomer which has, in the molecule, at least one hydrocarbon group selected from an alkylene group having from 8 to 25 carbon chains, an alkyl group having from 8 to 25 carbon chains and an aromatic group, and/or its salt, and (b) water, and has pH of from 1.0 to 6Ø This is produced by mixing (a) a water-insoluble, acid group-containing polymerizable monomer which has, in the molecule, at least one hydrocarbon group selected from an alkylene group having from 8 to 25 carbon chains, an alkyl group having from 8 to 25 carbon chains and an aromatic group, (b) a basic compound capable of forming a soluble salt with the acid group-containing polymerizable monomer, and (c) water to thereby give a mixture having pH of from 1.0 to 6Ø
Patent CA-2310275-C (CA)
Title: Apparent network interface for and between embedded and host processors
Inventor: BALLANTYNE TODD ANDREW
IPC: G06F15/16
Filed: 1998-11-12
Granted: 2007-05-01
Abstract: An apparent network interface (30) permits an embedded processor (20) to communicate to a host processor (2) using standard network communication mechanisms/protocols such as TCP/IP, NFS, FTP, HTTP, etc. The web server protocol HTTP is particularly useful because it permits the embedded computer to publish a user interface for remote monitoring and remote control using a standard web browser application. The invention provides the host computer (10) with an apparent network interface (30) that appears to be a standard network device, such as an Ethernet interface card. This apparent network interface (30) communicates directly with the embedded processor (20) which appears to be a device on the apparent network.  Significant cost savings and performance enhancements are realized by implementing the communication directly over the host computer's peripheral bus (6) rather than using standard network hardware such a Ethernet hardware.