baber/WOPTO huggingface dataset:
Patent CA-1082357-A (CA)
Title: Apparatus with attenuating element for reading a  record carrier
Inventor: VAN MEGEN EVERARDUS A
IPC: H04N5/85
Filed: 1976-05-27
Granted: 1980-07-22
Abstract: ABSTRACT:         An apparatus is described for reading a record carrier on which information is stored in an optically readable information structure, which apparatus includes a radiation source which supplies a road beam of great coherence length. By including a radiation attenuating element in the radiation path of the road beam, prefer-ably nearest to the radiation source, random intensity modulations in the read beam which modulations may be caused by undesired reflections in the radiation path, can be substantially reduced.
Patent CA-1060345-A (CA)
Title: Spermicidal vaginal composition comprising 1,2-benzisothiazole derivatives
Inventor: BUTTI ADRIANO
IPC: A61K31/425
Filed: 1976-06-30
Granted: 1979-08-14
Abstract: "SPERMICIDAL VAGINAL COMPOSITIONS COMPRISING 1,2-BENZISOTHIAZOLE DERIVATIVES"     Abstract Or the disclosure A spermicidal vaginal composition comprises a spermi-cidal-effective amount of a 1,2-benzisothiazole derivative having the general formula (I)   wherein:  X is either O or S; y is H; NO2; an halogen atom or an alkyl radical having from 1 to 4 carbon atoms; and R is H; a straight or branched alkyl or alkenyl radical having from 1 to 6 carbon atoms, optionally substituted by one or more hydroxyl, tertiary amino and alkoxyl groups;, a cycloaliphatic radical having from 3 to 8 carbon atoms; an alkyl radical optionally substituted by halogen atoms, alkyl or alkoxyl radicals; an aralkyl radical optionally having the aromatic moiety substituted by halogen atoms, alkyl and alkoxyl radicals; or an acyl radical -COR' wherein R' is an alkyl group having from 1 to 4 carbon atoms or an aryl radical.
Patent CA-1095666-A (CA)
Inventor: BAUER PETER
IPC: B60S1/52
Filed: 1976-07-30
Granted: 1981-02-17
Abstract: IMPROVED WINDSHIELD WASHER            Abstract of the Disclosure:             A windshield washer comprises a nozzle in which a liquid jet is formed and repetitively transversely swept before egressing from the nozzle body.  The swept jet breaks up into liquid droplets which impinge upon a wide area of a windshield.  In a preferred embodiment the nozzle is an oscillator, preferably a fluidic oscillator, in which the jet is swept oscillatorily between two extreme positions.  In still another form of the invention discrete slugs of liquid are alternately issued in at least two directions from a common nozzle body.
Patent CA-1073350-A (CA)
Inventor: KARRER FRIEDRICH
IPC: A01N39/00
Filed: 1976-08-24
Granted: 1980-03-11
Abstract: Abstract of the Disclosure New ethers of the formula   are disclosed, wherein R1 represents an alkyl group having 1 to 4 carbon atoms and Y represents an oxygen or sulphur atom.  These compounds are useful as pesticides, especially for the control of insects and pests of the order Acarina.  The compounds are also useful for combating ectoparasites which affect livestock and domestic animals.
Patent CA-1052258-A (CA)
Inventor: TATE OLIVER C
IPC: B23D23/00
Filed: 1976-09-08
Granted: 1979-04-10
Abstract: ABSTRACT OF THE DISCLOSURE           An improved can end trimmer provides for positioning a trimming knife on a rotating spindle in a manner such that it may be adjusted to proper alignment with another knife by means of a spacer fitting.  The invention further allows for the removal or replacement of the trimming knives without the necessity of alignment adjustments.
Patent CA-1062380-A (CA)
Inventor: LAUGHTON RICHARD V
IPC: B62K19/38
Filed: 1976-11-08
Granted: 1979-09-11
Abstract: IMPROVED WASTE WATER TREATMENT               ABSTRACT OF THE DISCLOSURE         Removal of nitrogenous and carbonaceous contaminants is carried out in a single sludge two-tank system by a symbiotic two-step process whereby the second tank mainly oxidizes ammonia to nitrate and the first tank mainly reduces nitrate to nitrogen gas.  Carbonaceous material is removed mainly in the first tank by a combination of biological uptake with cell growth and used as a final electron acceptor in respiratory denitrification.
Patent CA-1068617-A (CA)
Inventor: CONNER WAYNE L
IPC: F02M35/022
Filed: 1976-12-09
Granted: 1979-12-25
Abstract: ABSTRACT OF THE DISCLOSURE       A device for removing solid contaminant particles from a relatively high velocity axially flowing stream of gas, including means for separating the particles upon impact, deflecting the particles and applying a slight swirl thereto, whereby said particles flow through a discharge channel while relatively clean gas continues in its axial flow.
Patent CA-1060119-A (CA)
Inventor: BERETSKY IRWIN
IPC: G01N29/04
Filed: 1976-12-21
Granted: 1979-08-07
Abstract: ABSTRACT OF THE DISCLOSURE          Method and apparatus are provided for the determination of the Raylographic information of a body part which is ensonified by acoustical energy pulses by a particularly precisely focused acoustical focusing, system to produce acoustical energy echo pulses which are detected in coherent manner.  Fourier transformation of the pulses from the time to the frequency domain enables frequency domain deconvolution to provide the impulse response with minimization of mathematical instabilities and distortion of the frequency domain impulse response.          Noise extraction and spatial deconvolution filtering are included to respectively maximize signal to noise ratio and minimize distortive effects of body part sur-face non-orthogonality and combine with the above to provide for particular stability in the overall results and attendant increase in the axial resolution of Raylographic display and in the overall resolution of body part image displays.
Patent CA-1077136-A (CA)
Inventor: KOIZUMI AKIO
IPC: G05F1/56
Filed: 1977-01-21
Granted: 1980-05-06
Abstract: ABSTRACT OF THE DISCLOSURE               In a power supply circuit having a circuit for supplying an input DC voltage through a switching element to a winding, a circuit for producing a desired DC voltage by switching the switching element with a pulse and a circuit for detecting the level of the DC output voltage, and changing the duty ratio of the pulse with the detected output so as to stabilize the DC output voltage at a constant value.  There is provided a circuit which limits the maximum value of the duty ratio of the pulse.
Patent CA-1074457-A (CA)
Inventor: OKUMURA TOMISABURO
IPC: H01L21/8234
Filed: 1977-01-28
Granted: 1980-03-25
Abstract: METHOD FOR MANUFACTURING A SEMICONDUCTOR              INTEGRATED CIRCUIT DEVICE            ABSTRACT OF THE DISCLOSURE          In manufacturing an insulated gate semiconductor integrated circuit using both a self-alignment diffusion process and a non-self-alignment diffusion process, a mask having a combined pattern for a self-alignment diffusion and a non-self-alignment diffusion is prepared, an oxidation prevention layer for preventing thermal oxidation of the mask is selectively formed on a semi-conductor substrate, those areas of the semiconductor substrate which are not covered by the oxidation pre-vention layer are oxidized by thermal oxidation to form oxidized layers thereon, and impurities are diffused in the sequence of the non-self-alignment area and the self-alignment area to build in an insulated gate field effect transistor.  According to the present method, steps produced in the insulating layer on the semi-conductor substrate are minimized so that the breakage of the metallized pattern which extends over the stepped areas is prevented.
Patent CA-1106901-A (CA)
Inventor: CONSAUL JAMES W
IPC: G03G15/20
Filed: 1977-02-10
Granted: 1981-08-11
Abstract: Abstract of the Disclosure A contact fixing device and method for fixing electrostatic marking particles carried on a support material is disclosed.  The device includes a rotatably mounted fixing roller, a container for a supply of offset preventing material and applicator means for spraying the offset preventing material directly onto the peripheral surface of the fixing roller.  Control means are provided for activating the applicator means after a predetermined period of operation of the fixing roller.
Patent CA-1078072-A (CA)
Inventor: DAUB DIRK
IPC: H01L21/822
Filed: 1977-02-18
Granted: 1980-05-20
Abstract: ABSTRACT:     Safeguarded integrated circuit having two supply electrodes, an output electrode and an input electrode.          Between two of the electrodes the circuit comprises a safety circuit having a lateral bipolar transistor the emitter and collector zones of which are connected to the said electrodes.          The bipolar transistor is provided in a region which is surrounded by the substrate, serves as a base zone and has a conductivity type opposite to that of the substrate. A connection contact connected to the emitter is provided on said region and a modulatable resistance is formed between said connection contact and the active base zone by the said region. Application in particular to integrated MOS circuits.
Patent CA-1070492-A (CA)
Inventor: WELLINGTON SCOTT L
IPC: C09K8/90
Filed: 1977-03-09
Granted: 1980-01-29
Abstract: A B S T R A C T In an oil recovery process in which an aqueous solution thickened with a water-soluble anionic polysaccharide polymer (Xanthan gum) is injected into a subterranean reservoir, the stability of the solution viscosity is improved by de-oxygenating the aqueous liquid and then adding a sulphur-containing antioxidant, a readily oxidizable water-soluble alcohol or glycol, and a polysaccharide polymer.
Patent CA-1072134-A (CA)
Inventor: RAY JAMES A
IPC: C04B24/04
Filed: 1977-03-21
Granted: 1980-02-19
Abstract: CALCIUM ALUMINATE CEMENT COMPOSITIONS AND MIXES  AND  METHOD FOR PREPARING THEM                 Abstract of the Disclosure Compositions and mixes of calcium aluminate cement with or without aggregates and with controlled amounts of calcium formate and preparation of the same, which significantly accelerate the setting times and early compressive strength  gain of the product formed after addition of water for hydraulic setting of the cement.          By careful control of composition and particularly of amount of calcium formate included, new calcium aluminate cement compositions and mixes are provided, useful for patching, topping and other uses where fast setting, and high early strength characteristics are required.
Patent CA-1098622-A (CA)
Inventor: CHEN THOMAS T
IPC: B29C37/04
Filed: 1977-03-29
Granted: 1981-03-31
Abstract: LARGE CAPACITY MAJOR-MINOR LOOP             BUBBLE DOMAIN MEMORY WITH REDUNDANCY                             ABSTRACT A large capacity bubble memory device using a basic major-minor loop storage cell design.  The basic storage cell is repeated, typically in matrix form, on a suitable bubble domain structure.  The cell design is arranged so that interconnecting elements between respective cells permit magnetic bubble domains to be selectively transferred between cells in accordance with the status of switch elements.  Control signals control the switch status.  The cells include redundancy features so that cells can be interconnected to form a large capacity storage loop whereby chip yield is increased.
Patent CA-1097876-A (CA)
Title: Metallic soap as release agent for moulding composite  articles having isocyanate-based binding agent
Inventor: WOOLER ALAN M
IPC: B29C33/60
Filed: 1977-04-01
Granted: 1981-03-24
Abstract: ABSTRACT OF THE DISCLOSURE             A process for the manufacture of composite bodies or sheets such as chipboards, which comprises shaping in a mould or between mould surfaces mixture of a filler material such as liquocellulosic material and an isocyanate-based binding agent, there being provided at the interface of the mixture and mould surface or surfaces metal salt of a long chain aliphatic or cycloaliphatic acid.
Patent CA-1075044-A (CA)
Inventor: CICOGNANI MARIO
IPC: F16G5/08
Filed: 1977-05-04
Granted: 1980-04-08
Abstract: V-BELT                Abstract of the Disclosure A power transmission belt has an elastomeric body which is frusto-triangularly shaped in cross-section.  Such power trans-mission belts are commonly referred to as V-shaped belts.  The belt provided by the invention has a plurality of laterally spaced cords which are parallel to each other and are arranged longitu-dinally throughout the length of the belt.  At least those portions of the sides or flanks of the belt which bear against the walls of grooves of a pulley wheel when the belt is rotated are covered with an elastomeric composition having cut lengths of fibrous material embedded therein and disposed so the longitudinal axes of the fibers are substantially perpendicular to the longitudinal plane of symmetry of the belt.  The fibers may be impregnated with an organic polyisocyanate solution.
Patent CA-1083008-A (CA)
Inventor: KRUSE JOHN M
IPC: G05D16/06
Filed: 1977-06-10
Granted: 1980-08-05
Abstract: AXIAL FLOW THROTTLING VALVE                      Abstract of the Disclosure This application discloses a tube-type throttling valve assembly and the particular construction of the valve, along with the control passages and associated pilot controls.
Patent CA-1078909-A (CA)
Title: Visual display apparatus
Inventor: MAYER WILLIAM N
IPC: G09G3/285
Filed: 1977-08-12
Granted: 1980-06-03
Abstract: Apparatus for providing a visual display screen of the type formed from a plurality of gas cells wherein electrical voltages are capacitively coupled to selected cells to cause gas ignition and subsequent light emission, and wherein a preselected and repeatable pattern of color phosphor is deposited on selected cell surfaces in predetermined amounts to form a means for selecting any color and intensity combination over a wide range.
Patent CA-1087087-A (CA)
Inventor: BJERSTROM SVEN-ERIK
IPC: B29C37/00
Filed: 1977-08-12
Granted: 1980-10-07
Abstract: ABSTRACT OF THE DISCLOSURE        A machining tool for a moving thermoplastic body, having an elongated flattened knife-like shape, formed of metal having a good thermal conductivity, and heated by in-direct heating means, and adjustable mounting means for move-ably positioning such tool relative to the moving plastic body.        In one form the machining tool has a special shape bent in two places at right angles to provide upper and lower vertical portions offset from each other, and a horizontal intermediate portion, so as to form a lengthwise ridge or notch in the plastic body.        Preferably the heating means consists of an electrical heating element at one end of the machining tool.
Patent CA-1097387-A (CA)
Title: Door furniture
Inventor: HOOK JOHN L
IPC: E05C1/16
Filed: 1977-08-31
Granted: 1981-03-10
Abstract: ABSTRACT OF THE DISCLOSURE        Door lock apparatus in which a door latch mechanism is operated by inner and outer door handles coupled to a latch shaft extending through the latch mechanism.   Handles are coupled to ends of latch shaft by coupling devices enabling door to be locked from the inside to prevent entry from the outside but can still be opened from the inside by normal operation of outside handle.  Inside coupling device has limited lost-motion which is used to operate cam device to unlock the door on actuation of inner handles.
Patent CA-1076377-A (CA)
Inventor: OAKES WILLIAM J
IPC: B01D5/00
Filed: 1977-10-07
Granted: 1980-04-29
Abstract: ABSTRACT OF THE DISCLOSURE          An oil separation and heat recovery system for separating oil vapor from steam and recovering the oil and heat from the steam which incorporates an inclined duct connected to a barometric condenser with a container for oil at the lower end of the condenser.  Oil entrained in the steam is carried up the duct and over the barometric condenser.  The steam heats the condenser water that is recovered while the entrained oil flows back down the duct into a recovery container.
Patent CA-1098595-A (CA)
Inventor: TUNG PHAM N
IPC: H01L21/8226
Filed: 1977-12-20
Granted: 1981-03-31
Abstract: A LOGIC ELEMENT HAVING LOW POWER CONSUMPTION    Abstract of the Disclosure A logic element having low power consumption comprises first lateral PNP transistor whose base and  emitter are respectively connected to fixed bias sources the base voltage being smaller than the emitter voltage, and the collector of said transistor being integral with the base of a vertical NPN transistor integrated into the same substrate, the assem-bly forming a set of four layers defining three semiconductor junctions. The NPN transistor comprises several emitters one of which is connected to the base of another NPN transistor whose collector constitutes the output of the device and whose emitter is earthed.
Patent CA-1103043-A (CA)
Title: Electronic timepiece having shelf-life battery conservation latch
Inventor: LEUSCHNER HORST
IPC: G04G5/04
Filed: 1978-01-10
Granted: 1981-06-16
Abstract: ELECTRONIC TIMEPIECE Abstract of the Disclosure An electronic timepiece includes a shutdown latch circuit.  The latch circuit is initially set by insertion of a battery power source in the electronic timepiece.  When the latch circuit is set, all other circuits in the timepiece, and particularly the display circuits, are turned off to conserve battery power during the "shelf-life" of the electronic time-piece.  When the command switch is first activated, the latch circuit is reset, and all of the other electronic circuits are turned on in a predetermined initialized condition.
Patent CA-1092852-A (CA)
Inventor: LAFLEUR ALONZO D
IPC: B01D9/00
Filed: 1978-01-19
Granted: 1981-01-06
Abstract: ABSTRACT OF THE DISCLOSURE      A method for sampling and controlling the addition of suspended gases, liquids and solids in a control stream to a process stream is disclosed wherein the surface area of the suspended material acts as the determining feature for control of the process.  The measured surface area is compared with a preselected surface area to control the addition of the suspended material.  This method is particularly useful for the control of particulate seed material to the process stream in the Bayer process for the production of alumina.  The method is also broadly applicable to physical and/or chemical control means in an analytical scheme for controlling and monitoring any process.
Patent CA-1080015-A (CA)
Inventor: KASSER ALEXANDER
IPC: B65D65/38
Filed: 1978-01-25
Granted: 1980-06-24
Abstract: KRAFT PAPER                ABSTRACT OF THE DISCLOSURE     Method for the production of kraft paper for increasing its functional quality, particularly its tensile energy absorption, whereby the pulp being prepared in a conventional manner is processed by additional separate curlation directly before web formation for increasing the elastic stretch and a paper sack made of that kraft paper wherein the elastic stretch exceeds 1.8%.
Patent CA-1070131-A (CA)
Inventor: EMGARD LENNART
IPC: A23L3/16
Filed: 1978-02-13
Granted: 1980-01-22
Abstract: Abstract of the Disclosure The invention concerns a method for that for heat treatment of un-wrapped products, especially food products, by means of a fluid, especially a liquid, which has a temperature different from that of the product and which is caused to supply heat to the product or remove heat therefrom.  The new feature is that the product is placed on a support of high thermal conductivity and is covered by a thin, flexible and fluid-tight covering layer which can be brought to closely follow the product.  Upon flushing of such fluid towards the underside of the support and towards the top side of the cover, the fluid is adapted to cause the cover to adhere closely to the products, thereby establishing a maxi-mized contact surface for the exchange of heat between fluid and products.
Patent CA-1075130-A (CA)
Inventor: BEAUREGARD ANDREE
IPC: D03D29/00
Filed: 1978-03-29
Granted: 1980-04-08
Abstract: ABSTRACT OF THE DISCLOSURE            The disclosure describes a loom for high warp tapestry which is made of a frame mounted on a base and wherein the frame is adapted to receive a weft in downwardly displaceable fashion along its length.  The frame is made of two substantially parallel upright vertical members, an upper guide bar and a lower guide bar.  Both guide bars should enable the warp to slide over and above them respectively.  Both ends of the warp are mounted at the rear of the frame in transverse members which can be adjusted by drawing them closer together thereby produc-ing predetermined and uniform tension in the warp.  This loom is especially adapted to control the tension of the warp especially in the case where the thickness of the high warp tapestry is not uniform.
Patent CA-1109973-A (CA)
Title: Arrangement for converting discrete signals into a discrete single-sideband frequency division-multiplex- signal and vice-versa
Inventor: CLAASEN THEODOOR A C M
IPC: H04J1/05
Filed: 1978-03-30
Granted: 1981-09-29
Abstract: ABSTRACT:         TDM-FDM arrangement comprising a transfor-mation device for mutually mixing N digital-signals { xk(n) }  k = 1,2,3,...N and for generating N con-version signals ?{ sm(n) } wherein:   sm(n) =    amk xk(n) m = 1,2,3,...N     wherein amk represents an element of a constant value of an NxN-matrix A(N) = [amk] . Each of the conversion signals is applied to one of N sig-nal channels which each comprises a sampling rate increase element (SRI-element) and a digital filter having the transfer function Hm(W) wherein:              Hm(W) =           wherein: W1 arbitrary   These signal channels are connected to an adder for adding the signals occurring in the various signal channels in order to obtain the FDM-signal. If the filter bank which is formed by the digital fil-ters in the various signal channels are described by the filtering matrix ?(Wo) =        and by the filtering matrix      =                                 then  between the matrix A(N) and these filtering matrices the following relation exists   if W1 = 0, and the relation   A(N)T ?(Wo)   = 2IN     if W1 ? 0 wherein:          A(N)? represents the complex conjugate of A(N);          A(N)T represents the transposed matrix of A(N);          M  represents the increase factor of the SRI-elements; IN represents the NxN identity matrix.
Patent CA-1126077-A (CA)
Title: Antistatic photographic element containing an  alkyl sulfide terminated surfactant with  pendant carboxylic groups
Inventor: MACKEY E SCUDDER
IPC: G03C1/85
Filed: 1978-05-15
Granted: 1982-06-22
Abstract: ABSTRACT OF THE DISCLOSURE The susceptibility of polymeric film supports or polymeric coated paper to the accumulation of static electric charges can be greatly lessened by coating or swabbing such support or the uncoated side of a finished photographic film and paper with a polyfunctional anionic oligomeric surfactant or the alkali metal salt thereof, of the formula:       wherein R is an alkyl radical of 6-12 carbon atoms, R1 is H or methyl, a + b is from 4-50, and a/(a + b) is from 0 to 0.6.
Patent CA-1105463-A (CA)
Inventor: NEUMANN PETER
IPC: A61K31/445
Filed: 1978-06-19
Granted: 1981-07-21
Abstract: Abstract of the disclosure Compounds of formula I,                 I   wherein R1 is hydrogen, alkyl of 1 to 6 carbon atoms, alkenyl or alkinyl of 3 to 6 carbon atoms, cycloalkyl of 3 to 7 carbon atoms,cycloalkyl-alkyl of 4 to 8 carbon atoms, phenylalkyl of 7 to 9 carbon atoms or phenylalkenyl of 9 to 12 carbon atoms, the phenyl ring being unsub-stituted or mono-, di- or trisubstituted in-dependently by halogen, hydroxy or alkyl or alkoxy of 1 to 4 carbon atoms, R2 and R5, independently, are hydrogen or alkyl of 1 to 6 carbon atoms, R3 and R4, independently, are alkyl of 1 to 6 car-bon atoms, alkenyl or alkinyl of 3 to 6 carbon atoms, cycloalkyl of 3 to 7 carbon atoms, cycloalkylalkyl of 4 to 8 carbon atoms, alkoxy of 1 to 6 carbon atoms, hydroxyalkoxy of 2 to 6 carbon atoms, alkoxyalkoxy of 3 to 6 carbon atoms, hydroxyalkoxyalkoxy of 4 to 8 carbon atoms, alkenyloxy or alkinyloxy of 3 to 6 car-bon atoms, cycloalkyloxy of 3 to 7 carbon atoms or cycloalkyalkoxy of 4 to 8 carbon atoms, R6 is hydrogen, halogen, alkyl or alkoxy or alkyl-thio or alkylsulfonyl, each of 1 to 4 carbon atoms, trifluoromethyl, nitro or hydroxy, and X  is oxygen or sulphur are useful for treating coronary insufficiency and hyper-tension.