baber/WOPTO huggingface dataset:
Patent CA-1321036-C (CA)
Title: Method and apparatus for protecting computer software utilizing coded filter network in conjunction with an active coded hardware device
Inventor: CHOU WAYNE W
IPC: G06F21/00
Filed: 1989-06-23
Granted: 1993-08-03
Abstract: METHOD AND APPARATUS FOR PROTECTING COMPUTER SOFTWARE     UTILIZING CODED FILTER NETWORK IN CONJUNCTION     WITH AN ACTIVE CODED HARDWARE DEVICE      Inventors:  Wayne W. Chou and Richard E. Erett ABSTRACT          Filter networks are incorporated within a software protection hardware device which is plugged into a communications port of a computer which device will select bits or combinations of bits emanating from the communications port resulting from commands of a controlling software in use with the computer which is desired to be protected.  The filter networks select the bits of a disguised predetermined control code which when matched with a stored reference code results in an output from the filter used to activate functions within the protection device.  A stream of bits including a disguised predetermined control code issuing from the computer through the security device are compared with a stored reference code in a programmable memory.  When a match occurs an output emanates providing an acknowledgment code to the computer indicating that the hardware device has been plugged in and is a proper one.  The stored reference code can be provided by a programmable memory using an intermediate storage register between the programmable memory and the selection network.  The intermediate storage register is clocked changing the reference code in a predetermined manner.  Accordingly, the reference code is changed in accordance with what is stored in the programmable memory and by the content of an intermediate register at any given time, the effect of which is to continually change the reference code by clocking the intermediate register.
Patent CA-1326103-C (CA)
Inventor: GORMAN JOHN E
IPC: C08F287/00
Filed: 1989-06-26
Granted: 1994-01-11
Abstract: A B S T R A C T            METHOD FOR PREPARING FUNCTIONALIZED        HYDROCARBON POLYMERS      A process for incorporating carboxyl and/or carboxyl derivative functionality into a hydrocarbon polymer which is substantially free of ethylenic unsaturation.  The functionalization is accomplished by contacting the functionalizing agent or agents with the polymer in the presence of a free radical initiator in a blending apparatus capable of imparting high mechanical energy into the reaction medium.  The blending apparatus is preferably an extruder and most preferably a non-intermeshing twin screw extruder.  The amount of degradation resulting from the presence of a free radical initiator and the high mechanical shear at the elevated temperatures employed during the contact-ing is reduced by effecting the contacting in a suit-able diluent.  Similarly, the amount of polymer cross-linking and/or coupling is reduced through the use of a suitable diluent.  The polymer is maintained in the molten phase during the reaction.
Patent CA-1325079-C (CA)
Inventor: RICHMOND BARRY J
IPC: A61F11/04
Filed: 1989-07-06
Granted: 1993-12-14
Abstract: APPARATUS AND METHOD FOR TRANSMITTING PROSTHETIC             INFORMATION TO THE BRAIN                    ABSTRACT OF THE DISCLOSURE       An apparatus and method for transmitting prosthetic information to the brain contains an array of sensory elements that receive energy from an external stimulus and process those signals via neural filters and neural waveforms to produce a pulse or 'spike' train that is temporally encoded with information that is functionally related to the external stimulus.  The simulated spike trains, when applied to an appropriate area of the brain, produce perceptions that are functionally related to the sensed external stimuli so that a subject can discriminate between different spike trains representative of different external stimuli.
Patent CA-1323078-C (CA)
Inventor: FLACHENECKER GERHARD
IPC: H03B5/08
Filed: 1989-07-21
Granted: 1993-10-12
Abstract: ABSTRACT OF THE DISCLOSURE.           A high-frequency power oscillator is built around a power amplifier  utilizing semiconductors in a complementary or quasi-complementary stage which operate in a switching mode of operation.  The output of the amplifier supplies high-frequency oscillations to a load  impedance through an output filter composed of a series-resonant circuit and a parallel-resonant circuit.  A feedback driving voltage is obtained from the output filter in a manner providing a first portion of the driving  voltage from a voltage present in the parallel-resonant circuit for voltage feedback and a second portion of the driving voltage obtained by current inverse feedback from the current in the series-resonant circuit.  These two components of the driving voltage are combined in an addition circuit and supplied to an input of the power amplifier through a pulse modification stage. In the case of high load impedances the operating frequency is as close as possible to the resonant frequency of the parallel resonant circuit and the superimposed current inverse feedback prevents the provision of an operating frequency that would approach the resonant frequency of the series-resonant  circuit    even       when the losses in the series-resonant circuit are small.  The ability to use a   low-loss series-resonant circuit makes possible increased operation reliability, safety and efficiency.
Patent CA-1334362-C (CA)
Title: Process for lowering the dielectric constant of polyimides using diamic acid additives
Inventor: STOAKLEY DIANE M
IPC: H01B3/30
Filed: 1989-08-31
Granted: 1995-02-14
Abstract: Linear aromatic polyimides with low dielectric constants are produced by adding a diamic acid additive to the polyamic acid resin formed by the condensation of an aromatic dianhydride with an aromatic diamine.  The resulting modified polyimide is a better electrical insulator than state-of-the-art commercially available polyimides.
Patent CA-1330416-C (CA)
Inventor: CRABTREE WAYNE L
IPC: B27L5/02
Filed: 1989-09-25
Granted: 1994-06-28
Abstract: ABSTRACT OF THE DISCLOSURE A mechanism for adjusting the orientation of the arms that carry the backup rollers in a core steady rest.  The rollers are rendered fixed relative to each other and relative to the arms. The arms are adjusted toward and away from the log as necessary to maintain equal contact of the two rollers on the log.  The adjustment is preferably accomplished by mounting the arm ends opposite the rollers to an eccentric that pivots the arm ends in an arc toward the log.
Patent CA-1295373-C (CA)
Title: High gain bandpass filter
Inventor: MILLEN TED I
IPC: H03H11/12
Filed: 1989-09-26
Granted: 1992-02-04
Abstract: ABSTRACT OF THE DISCLOSURE          The present application relates to an active bandpass amplifier comprising a single stage operational amplifier, a bridged "T" network single frequency elimination filter in the negative feedback path of the amplifier and a phase shift correcting capacitor associated with the bridged "T" network single frequency elimination filter to effect a phase shift sufficient to maintain an appropriate feedback such that the amplifier is stable.  The bridged "T" network single frequency elimination filter in conjunction with the circuit capacities and phase shifts in the integrated circuits introduces a phase shift which would result in the amplifier oscillating when the network is placed in the feedback path and the corrective capacitor effects a corrective phase shift to render the amplifier stable.  Such a bandpass amplifier allows high gain and high "Q" and the gain is many times higher than that of a conventional single stage amplifier where gain is typically limited to approximately 5 and the "Q" is limited to about 25.  In the present case, this bandpass amplifier is capable of gains of greater than 10 and substantially higher "Q". Such an amplifier is advantageously used in a receiver and in a signalling system.  The high gain capability of the receiver is particularly advantageous in a mining environment where the receiver can be used as part of a signalling system.
Patent CA-1323260-C (CA)
Inventor: ELROD ALVON C
IPC: F02B75/18
Filed: 1992-05-05
Granted: 1993-10-19
Abstract: ABSTRACT OF THE DISCLOSURE           A method is provided for attaining a desired engine performance comprises the steps of changing the angular position of a variable camlobe (or cam) member relative to a fixed camlobe (or cam) member from a first angular position to a second angular position.  In changing from the first to the second angular position, the variable camlobe (or cam) member moves in a predetermined direction relative to the direction of rotation of a camshaft.  The predetermined direction and the magnitude of the angular movement of the variable camlobe (or cam) member is dependent at least in part upon at least one desired operating condition of the engine.  The method further comprises changing the angular position of both camlobe (or cam) members relative to a reference point of a drive pulley.  This change in the angular position of both of the camlobe (or cam) members relative to the reference point involves movement of the camlobes (or cams) in a direction relative to the direction of rotation of a camshaft.  The direction and magnitude of this movement is based at least in part upon at least one desired operating condition of the engine.
Patent CA-1323391-C (CA)
Inventor: SHIRAI NOBORU
IPC: B60B7/06
Filed: 1992-05-29
Granted: 1993-10-19
Abstract: Abstract A wheel cover for a motor vehicle comprises a main body having a plurality of holding claws integrally circumferentially formed on a rear surface of the body, the holding claws being provided with an engaging portion formed on a radial outside surface of a head portion.  A resilient reinforcement ring has approximately the same diameter as the diameter defined by the holding claws.  Each claw has a projection integrally formed on the radial inside surface of its head portion, this projection protruding substantially radially inwardly with respect to the inside surface of the head portion and including a wire-ring surface that engages and holds the reinforcement ring.  The latter is inserted into the wire-ring engaging surface, whereby such surfaces of each of the holding claws, when the wheel cover is removably fitted to a wheel, are pressed to contact a rim of the wheel by the inherent resilience of the holding claws and the ring.  An opening penetrates the claw radially and is positioned under the projection, a metal mold being positionable within this opening for integrally forming the wire-ring surface when molding the wheel cover.
Patent DK-165673-C (DK)
Inventor: VOGG HUBERT
IPC: B01D53/34
Filed: 1988-05-05
Granted: 1993-05-24
Abstract: In the process for the retention of mercury from flue gases of a combustion unit, in which lime and sorbents are injected into the flue gas stream in order to reduce the emission of harmful gases, the mercury concentration in the flue gas from combustion units, into which lime has been injected upstream of the dust precipitator, is to be reduced at least down to the statutorily required value, especially down to a maximum of 100  mu g of mercury/m<3>. In view of the large quantity of chemicals which must be added to the flue gas in order to reduce the emissions of pollutants, only those carbonaceous solids can be used for the retention of mercury which are cheap and available in a sufficient quantity, in order to allow economical operation of a combustion unit. This is achieved, if raw coke is mixed with the reactant (lime). The raw coke with adsorbed mercury, then formed in the flue gas purification, is separated off together with the lime reaction product and fly ash in the dust precipitator and finally dumped.
Patent DK-163271-C (DK)
Inventor: KASAI KAZUMI
IPC: A44B19/36
Filed: 1986-06-23
Granted: 1992-07-13
Abstract: A bottom-end-stop assembly for a slide fastener comprises a pair of intercoupling male and female members (1), (2) of thermoplastic synthetic resin adapted to be molded on adjacent bottom ends of opposed fastener stringers (19), (20). The male member (1) has an inner longitudinal projection (5) and a pivot pin (6). The female member (2) has an inner longitudinal groove (8) receptive of the projection (5), and an inwardly opening support hole (10) receptive of the pivot pin (6) for pivotal movement of the male member (1). The male member (1) has at least one aperture (4) in the projection (5) so that the stringer tape (19) is clamped between a pair of mold members (22), (23) so as not to become wavy during the molding. The male member (1) also has on opposite surfaces a pair of reinforcing ridges (7), (7) remote from the inner longitudinal side of the male member (1).
Patent DK-165402-C (DK)
Inventor: SCHAFFT ERNST
IPC: B21D37/14
Filed: 1988-09-12
Granted: 1993-04-05
Abstract: The circulating shelf (2), which serves in particular for the storage of upper and lower tools (4, 6) for a press brake (1), is provided, in addition to its usual loading and unloading aperture (11) arranged in the region of the front wall (9), with a loading and unloading aperture (14) arranged in the region of a side wall (12), which aperture (14) makes it possible for tools to be transferred over the shortest possible route by means of transfer bridges (42, 43) from the circulating shelf (2) to the press brake (1), and vice versa. 
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Patent DK-165442-C (DK)
Inventor: LISIECKI ROBERT E
IPC: B65D5/54
Filed: 1988-12-15
Granted: 1993-04-19
Abstract: A flat top, thermoplastic coated, paperboard container having weakened lines (48a,b,c) formed thereon such that the top (44) may be opened by breaking through a weakened line at the front (22) and progressively breaking the weakened lines along the sides upon peeling back the cover panel, to provide access to the contents. Provisions (76) are included for covering the weakened lines on the inside of the container to prevent leakage.
Patent FI-72922-C (FI)
Inventor: BOSCHE EUGENE RUSSELL
IPC: B31B50/32
Filed: 1977-05-25
Granted: 1987-08-10
Abstract: Apparatus for forming a seal between layers of a carton of thermoplastic coated paperboard material and the like wherein the thermoplastic material in the area to be sealed serves as the sealant and is activated to flow by frictional heat generated by a vibration welding horn and is then allowed to cool and set under pressure to form the seal between the layers. The carton first moves to an activating station wherein the layers to be sealed are engaged on opposite surfaces by a vibrating horn and a back-up means for a time sufficient to activate the thermoplastic material to flow. The carton is then carried to one or more clamping and sealing stations at a different location from the activating station with the thermoplastic material in the activated state. The layers to be sealed with the activated thermoplastic is then engaged on opposite surfaces by a pressure pad and a back-up means for a predetermined period of time to permit the activated thermoplastic to cool and set and form a seal.
Patent FI-86799-C (FI)
Inventor: NISHIKAWA HIROKAZU
IPC: A01N25/12
Filed: 1986-02-07
Granted: 1992-10-26
Abstract: Rapidlydisintegratable active-component-containing foamable compositions can be obtained by the present method:
 an active component (Component-C) is mixed into a solid alkali metal or alkali earth metal salt of carbonic acid (Component-A) and/or a solid aliphatic carboxylic acid (Component-B), and then mixed together after being moisturized separately with approx. 0.5-5% (w/w) water.
Patent FI-86716-C (FI)
Inventor: COLLINS PAUL WADDELL
IPC: C07C405/00
Filed: 1986-11-21
Granted: 1992-10-12
Abstract: This invention encompasses prostaglandins of the for- mJlawherein R represents hydrogen or lower alkyl having 1 to 6 carbon atoms; R, represents hydrogen, vinyl, or lower alkyl having 1 to 4 carbon atoms and the wavy line represents R or S stereochemistry; R<sub>2</sub>, R<sub>3</sub>, and R<sub>4</sub> are hydrogen or lower alkyl having 1 to 4 carbon atoms or R<sub>2</sub> and R<sub>3</sub> together with carbon Y form a cycloalkenyl having 4 to 6 carbon atoms or R<sub>3</sub> and R<sub>4</sub> together with carbons X and Y form a cycloalkenyl having 4 to 6 carbons. Compounds of this invention have potent gastric antisecretory and cytoprotective properties with unexpectedly low diarrheogenic side effects.
Patent FI-90941-C (FI)
Inventor: TARRAL RENE
IPC: A61K9/46
Filed: 1987-01-19
Granted: 1994-04-25
Abstract: L'invention concerne la préparation de nouveaux couples effervescents et de compositions les contenant par réaction d'acide citrique avec un carbonate ou bicarbonate alcalin, le milieu étant amené à réagir avec dégagement d'anhydride carbonique jusqu'à ce que l'acide soit transformé en citrate mono- ou di-alcalin. 
<??>Les couples comprennent un mélange de citrates mono- et di-alcalin dans un rapport pondéral compris entre 8/1 et 1/10. 
<??>Suivant une réalisation particulière de l'invention, ces compositions pharmaceutiques contiennent également un antacide pour le traitement simultané d'hyperacidité stomacale et d'hypersécrétion d'histamine au niveau des récepteurs H2.
Patent FI-94341-C (FI)
Inventor: SACCOMANO NICHOLAS ALEX
IPC: C07D233/38
Filed: 1987-12-22
Granted: 1995-08-25
Abstract: Antidepressant agents having the formula <CHEM> wherein R<1> is a polycycloalkyl group; R<2> is methyl or ethyl, X is O or NH; and Y comprises a 5- or 6-membered heterocyclic ring having one or two nitrogens; or fused bicyclic heterocyclic rings having a total of three nitrogen atoms, one in each ring and one angular nitrogen.
Patent NO-161964-C (NO)
Inventor: GROBB FINN
IPC: B26F/
Filed: 1987-02-12
Abstract: In order that holes may be produced in a simple and safe manner in a plaster plate (1) to be used as sound adjuster in a room, holes (15) are punched out of the plate, e.g. in the shape of slits, by means of a cutting tool. Hereby the considerable dust and noise inconveniences caused by the hitherto known machining are avoided. By slits (15) that must lie close to each other, it is possible to punch in two stages, i.e. first with double distance and then in the space between. This prevents fracture of the plaster and tearing of any paper that may be on the surface. The cutting tool is provided with punches (7, 8), in a shape corresponding to the holes. Each punch is provided with an inclined blade (10) which forms an angle of the horizontal of 13 DEG . The cross sectional shape of the blade is V-shaped, with two blades (11) running along the sides of the punch. In this manner the material (9) is punched out in a gentle and even manner, whereby is obtained a perfect hole free from burrs and fractures of the plaster in the edge area.
Patent NO-162812-C (NO)
Inventor: ALVILA LEILA
IPC: C07C29/16
Filed: 1987-03-11
Abstract: The invention concerns a dual step process for producing isobutylene from propylene and synthesis gas. In the first step propylene is contacted with synthesis gas at elevated temperature in the presence of a catalyst system containing a mixture of monometal compounds M4 (CO)12 and M4 (CO)12 and/or bimetal compound M2M2 (CO)12. The alcohol mixture thus obtained is dehydrated in the second step for producing a product fraction containing isobutylene in plenty.
Patent NO-168914-C (NO)
Inventor: SVENSSON GUNNAR
IPC: F28D19/04
Filed: 1988-12-13
Abstract: The present invention relates to a rotary heat exchanger (10) for recovering heat or cold and/or moisture from gas flows. The heat exchanger comprises a casing (12) which incorporates gas-flow channels (16, 18). The heat exchange rotor (22) forms part of a withdrawable rotor unit (55), which also includes a frame (28) on which the rotor is journalled, a transverse wall (56) having an opening for accommodating the rotor, a rotor drive motor (40), and a cover plate (38) which is intended to cover an opening (36) in the casing (12) through which the rotor unit can be withdrawn. Arranged between the transverse wall (56) and the peripheral surface (62) of the rotor (22) is a radially directed peripheral seal (60), to which is connected within the area of the frame (28) an axial seal (82) and a diametrical seal (48) respectively.
Patent NO-178065-C (NO)
Inventor: CALVERLEY MARTIN JOHN
IPC: A61P37/00
Filed: 1991-07-25
Abstract: The present invention relates to compounds of formula (I), in which formula R stands for an alkyl group containing from 7 to 12 carbon atoms optionally substituted with a hydroxy group; and derivatives of the compounds of formula (I) in which one or more hydroxy groups have been transformed into -O-acyl or -O-glycosyl or phosphate ester groups, such masked groups being hydrolyzable in vivo, in pure form or in mixtures. The present compounds find use in both the human and veterinary practice in the treatment and prophylaxis of autoimmune diseases, including diabetes mellitus, hypertension, inflammatory diseases such as rheumatoid arthritis and asthma as well as diseases characterized by abnormal cell differentiation and/or cell proliferation, and/or imbalance in the immune system.
Patent CA-2006806-C (CA)
Title: Track counter for optical disk
Inventor: NOMURA MASARU
IPC: G11B7/085
Filed: 1989-12-28
Granted: 1994-09-20
Abstract: ABSTRACT            A track counter for counting the number of tracks a light beam traverses when an optical head moves over an optical disk in the radial direction, comprises apassage    signal generating circuit employing a reflection of said light beam from said optical disk, for detecting that the light beam has traversed a track and for releasing a passage signal on that occasion, a counter for counting the passage signals released  by  the signal  generating  circuit,  a  count suspending circuit for forecasting that the light beam will traverse a specific position of a track and for suspending the count of aforementioned counter during this forecast period,  and  a  count  value  compensating  circuit  for calculating,  while the count of the passage signals is suspending by the count suspending circuit, the number of tracks the light beam traversed during this period, and for adding this calculated number to the count value of said counter.  This track counter  is  arranged to provide  an accurate count of the number of tracks traversed and to compensate both for ID sections and surface scratches. Access speed of the optical head is thus enhanced.
Patent CA-2007244-C (CA)
Inventor: GOHLKE GERHARD
IPC: B65D25/28
Filed: 1990-01-05
Granted: 1997-09-30
Abstract: A carrying-handle attachment in which the bracket plate that is releaseably attached to the carrier body and which can be spread apart by at least one dividing gap in the installed state fits with an undercut section formed on its under side over the outer edge of a projection that is molded into the container body so as to form a shape-locking fit.