baber/WOPTO huggingface dataset:
Patent CA-2076859-A1 (CA)
Title: All monolithic transceiver operative from a low voltage vcc dc supply
Inventor: STEIN MARC T
IPC: G06F13/00
Filed: 1992-02-06
Abstract: Abstract A  new  and   improved  all  monolithic  transceiver manufactured on a single semiconductor die and operative from a 5 volt DC power supply.  The transceiver meets all of the pulse width and  timing requirements  of  the  MIL-STD-1553 transceiver and is operative at high switching speeds and high output current levels to generate bi-phase TX OUT and TX OUT signals used to drive, respectively, two center tapped primary windings of an output transformer.  The transmitter includes two dynamically driven data channels which are driven out of phase and in a controlled manner that ensures that one data channel has been completely turned off before the other data channel  turns  on,  thereby maximizing power  transfer  and operating efficiency while minimizing unnecessary current drain and eliminating current spiking in the output of the transmitter.   The receiver of the transceiver includes a differential amplifier connected to drive first a balanced differential filter and then a differential window comparator which establish the bandwidth,  voltage thresholds,  gain-versus-frequency  characteristic   and  Q  point   of   the transceiver.    Advantageously,  the  above  all  monolithic construction is facilitated by the use  of MOS capacitor technology and by the use of chrome-silicon alloy technology to form, respectively, thin film capacitors and resistors on the surface of the monolithic die and used in the construction of  resistor-capacitor  filter  networks,  bias  and  load resistors,  and the like.   The above differential window comparator is connected to a pair of output logic drivers to generate therefrom RX DATA OUT and RX DATA our bi-phase output signals for use in controlling an associated computer.
Patent CA-2080346-A1 (CA)
Inventor: WHITTAKER MARK
IPC: C07D471/04
Filed: 1991-04-16
Abstract: ABSTRACT     Compounds of general formula I;                    I     wherein:            W represents a 5- or 6-membered aromatic heterocyclic ring containing one or more non-quaternised sp2 nitrogen atoms in its ring,  which heterocyclic ring may be optionally fused to a benzene  ring  or  to a further  5-  or  6-membered  aromatic heterocyclic ring containing one or more nitrogen atoms, wherein at least one of the said heterocyclic rings may also contain an oxygen or sulphur atom, and wherein any of the rings may be optionally substituted: with one or more substituents selected from C1-C6 alkyl, C1-C6 alkoxy, halo, CF3 and CN;            Z represents a) a divalent alkanediyl, alkenediyl or alkynediyl group from 2 to 8 carbon atoms which may be a straight or branched-chain having at least 3 carbon atoms in the chain linking W to the oxygen atom, wherein the said group is either unsubstituted or substituted by   one or more  substituents selected from hydroxy, C1-C6 alkoxy, C1-C6 alkylthio and halo: or, b) a   group wherein n is an integer from 0-3, X is O, S or CH2 and each of R7 and R8 is independently hydrogen or C1-C6 alkyl; or c) a -(CH2)qU(CH2)r- group wherein q is an integer from 0-2, r is  an  integer  from  1-3  and U  is  a phenylene,  furandiyl, tetrahydrofurandiyl,  thiophenediyl,  tetrahydrothiophenediyl, thiazolediyl or tetrahydrothiazolediyl group;            R1 represents a V group wherein V is a        .     group wherein t is an integer from 0-3 and each of R9, R10 and R11 is independently hydrogen, C1-C6 alkyl, C1-C6 alkoxy, C1-C6 thioalkyl,  halo,  CN,  NO2,  SOC1-C6 alkyl,  SO2C1-C6  alkyl, SO2(CH2)1-4CH2OH, SO2NH2, CO2H, CO2C1-C6 alkyl, CHO, COC1-C6 alkyl, CH2OH, OH, benzyl, benzoyl, CF3, CONH2, NHCOC1-C6 alkyl, or an NR15R16 group wherein each of R15 and R16 is independently hydrogen or C1-C6 alkyl; and each of R2,  R3,  R4,  R5,  and R6  represents  independently hydrogen, C1-C6 alkyl, C2-C6 alkenyl, halo, C1-C6 alkoxy, C1-C6 alkylthio,  C3-C8  cycloalkyl,  C4-C8  cycloaLkenyl,  CF3,  OH, OC(=O)C1-C6 alkyl, a V group, an OV group or an OC(=O)V group;   and their pharmaceutically and veterinarily acceptable acid addition  salts  and  hydrates  are  antagonists  of  platelet activating factor (PAF) and as such are useful in the treatment or amelioration of various diseases or disorders mediated by PAF.
Patent CA-2081506-A1 (CA)
Inventor: RUEL BERNARD G
IPC: H04M3/58
Filed: 1992-10-27
Abstract: This invention relates to arrangements for simplifying the transfer of a source of telecommunications signals, such as a telecommunications customer lineor telecommunications trunk, from a first port of a switching system to a second port of that same switching system. Such a transfer requires a transfer of a connection in the outside plant, usually in a manhole, and establishment of a connection from the outside plant to the second port, usually in a distributing frame of the switching system. Translation data is stored for the second port to indicate availability of the second port for assignment to a customer, and, in one embodiment of the invention, to identify the customer to be connected to that second port. In accordance with that embodiment of the invention, the customer line to the first port is tested in the manhole to verify the identity of that customer; the line to the second port is tested to see if the translation data for that second port comprises the same customer identification. If so, a request to assign the translation data for that customer to the second port is then transmitted from the manhole. In response to an acknowledgment that the translation data has been so assigned, the customer's line is transferred to the second port. Advantageously, the translation data can be stored and a connection to the second port can be established ahead of time in the switching system, and the transfer of the line can be carried out by one individual in themanhole without requiring the cooperation of other craft in the switching system.
Patent CA-2089713-A1 (CA)
Inventor: MORTENSON CARL N
IPC: B62B1/00
Filed: 1993-02-17
Abstract: A hand truck with an upright main frame and a handle part at its upper end has a forwardly extending nose at its lower end for supporting a load thereon which rests back against the main frame when the main frame is in vertically rearwardly tilted position, and a wheel and axle assembly at its lower end to support it for travel. An auxiliary support frame, having a ground engaging wheel at its lower end is pivotally connected near its upper end to the main frame for movement from the main frame to a spread position. A rearwardly extendible first link structure, pivotally connected to the main frame, is hingedly connected to a second link structure, pivotally connected to the auxiliary frame. Force exerting, compressible spring mechanism, connected pivotally to one of the link structures and to one of the main frame and attachment frame, exerts a moment arm force moving the link structures through an in-line position to lacked over-center position when the auxiliary frame is spread, and positively resists inadvertent movement of the link structures out of looked position, while positively forcing the link structures and auxiliary frame to folded position once the link structures have been moved back from over-center position and through the in-line position.
Patent CA-2090398-A1 (CA)
Title: Transport wagon comprising a wagon frame supported on on-track undercarriages
Inventor: THEURER JOSEF
IPC: E01B27/02
Filed: 1993-02-25
Abstract: A transport wagon (1) is provided with a wagon frame (4) supported on on-track undercarriages (2) and a conveyor belt (8) extending in the longitudinal direction of the wagon and arranged so as to be inclined relative to the track plane, forming a lower-lying receiving end (11) and an elevated discharge end (12), with which side walls (13) are associated, extending in the longitudinal direction of the conveyor belt, to delimit laterally and form a storage space (14). The wagon frame (4) is formed from a number of frame parts (5) disposed one behind another in the longitudinal direction of the wagon, joined together in an articulated manner in each case in the region of an on-track undercarriage (2), forming an articulation point (6), and having respective individual conveyor belts (8).
Patent CA-2091812-A1 (CA)
Title: Valve guide insert
Inventor: KAMMERAAD JAMES A
IPC: F01L3/08
Filed: 1993-03-17
Abstract: A thin-walled valve guide insert for lining and relining a valve guide of an internal combustion engine includes opposing ends each having a tapered insertion section thereon.  The tapered insertion section defines a reduced outer diameter to facilitate installing the insert into a valve guide bore have a nonchamfered opening, and further defines a reduced inner diameter so that the insert has a substantially continuous wall thickness throughout its length and thus maintains the structural integrity of the insert from end to end.  In the preferred embodiment, the valve guide insert is made of a phosphor bronze material of about .018 inch thickness or less, and includes a lengthwise slit therein.  The insert is sprung open longitudinally along the slit and must be radially compressed so that the insert defines a sufficiently small outer diameter so that it can be axially installed in a press-fit condition into the valve guide bore of the engine.  Both ends of the insert are formed with the tapered insertion section so that the insert can be positioned without regard to which end is directed toward the valve guide.  Also disclosed is a tool for inserting the insert into the guide valve, the tool including an outwardly tapered junction adapted to spread one of the tapered insertion sections of the insert into longitudinal alignment with the insert to reduce the tendency to crush same from end forces exerted on the insert while installing the insert into the valve guide.  Still further a process is disclosed for forming the guide valve insert with ends having tapered insertion sections thereon.
Patent CA-2093119-A1 (CA)
Title: Plane hollow reinforced concrete floor with two-dimensional structure
Inventor: BREUNING JORGEN I
IPC: E04B5/43
Filed: 1991-09-30
Abstract: The invention presents a technique to development of plane hollow reinforced concrete floor slabs with two-dimensional structure.        Constructions developed by this technique will widely and with considerable profit replace conventional floor structures. The technique makes it possible to chose higher strength and stiffness, less volume of materials, greater flexibility, better economy or an arbitrary combination of these gains. The technique makes it possible to create a total balance between bending forces, shear forces and stiffness (deformations), so that all design conditions can be fully optimized at the same time. The technique presents a distinct minimized construction, characterized by the ability that the concrete can be placed exactly where it yields maximum capacity. The technique offers unusual profits compared with the conventional compact two-way reinforced slab structure: less volume of materials (concrete 40-50 %, steel 30-40 %); 100-150 % higher strength; up to 200 % higher span. The technique is suitable for both in situ works and for prefabrication.
Patent CA-2093333-A1 (CA)
Title: Flexible ladder for use on moving conveyances
Inventor: LOEBER FREDERICK W
IPC: B60R3/00
Filed: 1991-10-21
Abstract: A flexible ladder for use on moving conveyances which provides frontal stability but lateral flexibility, the ladder having a first (40), a second (42) and a third (44) strut member each formed of flexible material and each supported in a generally vertical plane, the strut members being parallel to each other with the second strut member between the first and third strut members. A  first set of steps (46) are secured between the first and second strut members and a second set of steps (40, 50) are secured between the second and third strut members, the steps being vertically spaced apart from each other and the upper ends of each of the strut members being affixed to a moving conveyance, the ladder providing for ascent of an operator to the operating position on the conveyance but permitting lateral flexibility if the ladder engages an obstruction on the surface on which the machine moves.
Patent CA-2093705-A1 (CA)
Title: Loudspeakers
Inventor: ROBERTS MARTIN
IPC: H04R1/28
Filed: 1993-04-08
Abstract: ABSTRACT            LOUDSPEAKERS           A transmission  line  loudspeaker comprises at least one driver, an acoustic filter in the form of a cavity, and a transmission line. The driver is positioned adjacent to the entry to the transmission line so that the driver effects a parallel driving of both the filter and the transmission line simultaneously.  The driver can alternatively be positioned within the transmission line, again provided that it is close to the entry. The low frequency response of the loudspeaker is thereby improved.            (Fig.5)
Patent CA-2094722-A1 (CA)
Title: Thiazole derivatives
Inventor: OHTA MITSUAKI
IPC: C07D417/04
Filed: 1991-10-18
Abstract: ABSTRACT       The present invention relates to thiazole derivative represented by the general formula (I):                (I) or a pharmaceutically acceptable salt thereof, which has a selective agonistic activity for 5-HT3 receptor, a pharmaceutical composition thereof, and a process for producing the same.
Patent CA-2099725-A1 (CA)
Title: Methods and apparatus for applying powder to workpieces
Inventor: MULDER DOUGLAS C
IPC: B05B15/04
Filed: 1993-06-29
Abstract: Abstract An apparatus for spraying powder coating material includes a rotatable turret which moves articles to and from a work station.  A powder spray gun is operable to spray a pattern onto each of the articles in turn while the article is at the work station.  The powder flows through the spray gun as a series of pulses.  A diverter assembly is operable to divert a portion of each pulse of powder away from the nozzle to more sharply define the pulse.  An excess powder collector draws a flow of powder away from the work station.  A virgin powder container supplies powder to a powder collector container which supplies powder to a powder feed container which supplies powder to the spray gun.  Sensors associated with the virgin, collector and feed containers ensure that a predetermined quantity of powder is maintained in each container.  During transport of powder from the virgin and collector containers, the containers and their associated pumps are vibrated to facilitate the flow of powder.  The powder spray gun is mounted on a three axis adjustment assembly to enable the powder spray gun nozzle to be accurately positioned relative to an article at the work station.
Patent CA-2102101-A1 (CA)
Title: Multi-Frequency Automotive Radar System
Inventor: ASBURY JIMMIE R
IPC: G01S13/931
Filed: 1992-05-04
Abstract: A Doppler control circuit for a CW or pulse Doppler radar system for monitoring not only the phase shift between echo signals from several targets but also the amplitude difference between the several targets and to further tune the radar to a particular target among one or more targets from which echo signals return. The control circuit can be used in state of the art CW or pulse Doppler type cedar systems. In a further system, a continuously generated radar signal is repeatedly transmitted at different frequencies in time division fashion to define a succession of transmit and receive frames. The receive frames are divided into a plurality of time interval windows with selected windows being used to detect received signals at the different frequencies. The remaining windows can be used for subsystems of the radar system. The rate of phase shift of received signals at a reference frequency is used to determine closing rate (positive ar negative) while the phase shift difference between received signals at two frequencies is used to determine range and target direction. In yet a further system, a special circuit is provided for conditioning selected portions of the Doppler frequency spectrum to attenuate or de-emphasize portions of the echo signal corresponding to selected targets in the radar system environment, such as rain or stationary wayside objects, in order to give such echo signals less weight in determining roadway hazards.
Patent CA-2104148-A1 (CA)
Title: Process for the preparation of substituted benzenes and benzene sulfonic acid and derivatives thereof and a process for the preparation of n,n'-substituted ureas
Inventor: BAUMEISTER PETER
IPC: A61K31/00
Filed: 1993-08-16
Abstract: A process for the preparation of substituted benzenes or benzenesulfonic acid and its derivatives comprising diazotisation of an aminobenzene or ortho-amino-benzenesulfonic acid derivative followed by homogeneous palladium-catalysed coupling with an olefin and heterogeneous palladium-catalysed hydrogenation of the olefinic substituent, wherein the homogeneous catalyst is reduced and precipitated as metal after the coupling in the reaction mixture and used as a heterogeneous palladium catalyst for the hydrogenation step. The process is particular suitable for the preparation N-benzenesulfon-N'-triazinyl-urea herbicides. Compounds that can be made by this process are of formula Ia: Ar-CHR a-CHR b R c ~(Ia), wherein R a, R b and R c are independently of each other selected from H; C1-C20alkyl; C1-C20nitriloalkyl; C1-C20hydroxyalkyl; C1-C20halogenalkyl; C1-C12alkyl-COOR d, C1-C12alkyl-CO-NR e R f, C1-C12alkyl-SO2OR d or C1-C12alkyl-SO2-NR e R f, wherein R d, R e and R f independently are H, C1-C12alkyl, phenyl, benzyl or cyclohexyl; C1-C20alkyl-CO; C1-C20alkoxy; C1-C20nitriloalkoxy; C1-C20haolgenalkoxy; C1-C20alkylthio; C1-C20halogenalkylthio; -SO2OR d, -SO2-NR e R f, -COOR d or -CO- NR e R f, wherein R d, R e and R f have the above meanings; halogen; -CN; -NR e R f, wherein R e and R f have the above meanings; phenyl and benzyl; wherein the phenyl and benzyl are unsubstituted or substituted by C1-C20alkyl; C1-C20nitriloalkyl; C1-C20hydroxyalkyl; C1-C20halogenalkyl; C1-C12alkyl-COOR d,~ C1-C12alkyl-CO-NR e R f, C1-C12alkyl-SO2OR d or C1-C12alkyl-SO2-NR e R f, wherein R d, R e and R f have the above meanings; C1-C20alkyl-CO-; C1-C20alkoxy; C1-C20nitriloalkoxy; C1-C20halogenalkoxy; C1-C20alkylthio; C1-C20halogenalkylthio; -SO2OR d, -SO2-NR e R f, -COOR d or -CO-NR e R f, wherein R d, R e and R f have the above meanings; halogen; -CN; or -NR e R f, wherein R e and R f have the above meanings; and wherein R d can also represent -OM or -O (M1)1/2, where M is an alkali metal atom or a tertiary ammonium group, having from 3 to 18 carbon atoms, and M1 is an alkaline earth metal atom; and Ar means C6-C20aryl or C3-C20heteroaryl having 1 to 6 heteroatoms from the group of O, S and N, the aryl and heteroaryl being unsubstituted or substituted by C1-C20alkyl; C1-C20nitriloalkyl; C1-C20hydroxyalkyl; C1-C20halogenalkyl; C1-C12alkyl-COOR d, C1-C12alkyl-CO-NR e R f, C1-C12alkyl-SO2OR d or C1-C12alkyl-SO2-NR e R f, wherein R d, R e and R f have the above meanings; C1-C20alkyl-CO; C1-C20alkoxy; C1-C20nitriloalkoxy; C1-C20halogenalkoxy; C1-C20alkylthio; C1-C20halogenalkylthio; -SO2OR d, -SO2-NR e R f, -COOR d or -CO-NR e R f, wherein R d, R e and R f have the above meanings; halogen; -CN; -NR e R f, wherein R e and R f have the above meanings; -OH or -SH.
Patent CA-2104358-A1 (CA)
Inventor: TENDICK RICHARD C
IPC: B65B13/20
Filed: 1993-08-18
Abstract: ABSTRACT OF THE DISCLOSURE    A bundling apparatus includes a upper and lower platens, at least one of which moves vertically across a plate.  The plate is preferably slightly slanted to  prevent a stack of articles on the lower platen from toppling over.  A continuous wrapping sheet is fed to the plate for wrapping the stack after compression between the platens.
Patent CA-2106238-A1 (CA)
Title: Telecommunications answering feature method and apparatus
Inventor: FLORENCE LLOYD M
IPC: H04M3/48
Filed: 1993-09-15
Abstract: In a telephone system, if the telephone set of a called party is unavailable, an incoming call may progress to become intercepted at an attendant position or at a voice features server. A call take back feature permits the called party to be aware of an intercepted call progress so that the called party may retrieve the incoming call by going OFF HOOK and conversing directly with the calling party. A call screening feature is also available. The call screening feature permits the called party to hear the calling party's voice during an intercepted call progress via an audible link to the intercepted call progress. The called party may, at his discretion, retrieve the incoming call from the intercepted call progress by going OFF      HOOK and conversing directly with the calling party.
Patent CA-2107437-A1 (CA)
Title: Information processing system
Inventor: TAKANO TOSHIYA
IPC: G06F13/42
Filed: 1993-09-30
Abstract: ABSTRACT OF THE DISCLOSURE            In an information processing system, a wait state signal is inserted into a RDY signal, according to which data are transmitted through memory and I/O buses.  A CPU controls the number of the wait state signal to adjust the difference of the transfer speeds of the memory and I/O buses.
Patent CA-2108765-A1 (CA)
Inventor: SCHMIDT JACQUELYN A
IPC: D04H1/42
Filed: 1993-10-19
Abstract: Abstract The present invention provides a narrow orthopedic casting tape which can be handled in longer lengths suitable for economical production of coated fabric products.  The narrow casting tape of the present invention is knitted asa wide fiberglass fabric with at least one removable connecting yarn in the length (i.e., warp) direction of the fabric which acts to connect two narrower strips of fiberglass fabric.  The removable connecting yarn is subsequently removed from the fabric by a heat treatment process which separates the wider fabric into two narrower fabrics and also heat sets the fabric. Alternatively, the removable connecting yarn may be removed from the fabric by a dissolution process.  Narrow fabrics of the present invention can also be constructed of organic yarns.      The present invention also provided a tearable orthopedic casting tape which has a high degree of extensibility.  The tearable casting tape of the present invention is knitted as a wide fabric, preferably fiberglass, with at least one tearable connecting yarn in the length direction of the fabric which acts to weakly connect two or more narrower fabrics.  The tearable connecting yarn is capable of being easily torn or slit causing the fabric to separate into narrower webs.
Patent CA-2108983-A1 (CA)
Title: Bushing for an automobile suspension system
Inventor: CARPER ROBERT L
IPC: F16F1/393
Filed: 1993-10-22
Abstract: ABSTRACT OF THE DISCLOSURE   An elastomeric bushing for the suspension system of an automobile is described as having a unique plastic/metal insert which is successively surrounded by rubber and a cylindrical metal band. The insert comprises a hollow metal cylinder to which is secured a durable plastic material, such as nylon, which has a longitudinal sectional profile which includes a smoothly rounded bulbous portion which curves outwardly from the inner metal cylinder. The plastic bulbous portion, in said profile, includes a pair of sides which diverge in the direction of the metal cylinder and then curve outwardly towards adjacent opposing ends of the metal cylinder where they terminate.