baber/WOPTO huggingface dataset:
Patent CA-1213326-A (CA)
Inventor: SIEGEL STEFAN A
IPC: H04B10/43
Filed: 1984-09-06
Granted: 1986-10-28
Abstract: SWITCHED BIAS CIRCUIT FOR HIGH SPEED   LIGHT EMITTING DIODE TRANSMITTER     Abstract of the Disclosure A circuit provides two-level data bursts for transmission on a fiber optic bus by turning on and off a light emitting diode, in accordance with high and low levels of a data burst signal.  In a first, adjustment mode, the diode is excited with current from a first source of first programmable means.  The current increases from zero to a first level IB, at which the diode is emitting light at an intensity corresponding to a knee in the operating characteristic curve of the diode.  The first programmable means stores the value of the current level of IB.  While the first current source is still supplying current IB, a second current source within second programmable means supplies to the diode additional current.  Current from the second source increases from zero until the diode is emitting light at a second desired level.  The second level occurs when the diode is being excited with a total current IB+IM, which is the desired operating point on the diode's operating characteristic curve.  The second programmable means stores the value of current IM, which is being produced by the second current source.  During a data transmission mode, switching means in the circuit supplies from the first source to the diode current at a level determined by the stored value IB during the entire data burst; and supplies to the diode additional current from the second source at a level determined by the stored second value of IM only during the high level parts of the data burst signal.  In the absence of a data burst, neither current source is operative and the diode is not excited.
Patent CA-1217619-A (CA)
Inventor: MIKI ISAO
IPC: B29C45/03
Filed: 1984-09-28
Granted: 1987-02-10
Abstract: METALLIC MOLD FOR DIE-CASTING          Abstract of the Disclosure The metallic mold for die-casting comprises a stationary die having a biscuit portion receiving molten metal for die-casting and branched runners connected to the biscuit portion so as to receive the molten metal from the biscuit portion, an intermediate die having a plurality of pin runners there-through at positions spaced apart from each other with the proximal ends thereof aligned with the distal ends of the branched runners, respectively, and a movable die having a plurality of mold cavities to form a multiple-cavity die or a mold cavity for a large sized die-cast product, the constricted distal ends of the pin runners being opened into the mold cavities or the mold cavity at positions spaced apart from each other so as to insure the even dis-tribution of the molten metal in the mold cavities or the mold cavity thereby permitting a high quality of die-cast products to be achieved.  In order to positively prevent the solidified metal in the pin runners from being-stuck and held at the side of the intermediate die when the intermediate die is moved apart from the stationary die after die-casting, an arresting undercut is formed in the distal end each of the branched runners aligned with the respective proximal end of the pin runner so that the metal remaining in each of the arresting undercut integrally solidifies with the metal in the respective pin runner after die-casting operation to generate an arresting force tending to hold the metal solidified in the pin runners at the side of the stationary die thereby preventing disadvantages which might occur when the metal solidified in the pin runners is held stuck to the side of the intermediate die necessitating trouble-some and time consuming operations for removing such stuck metal by stopping the die-casting production line.
Patent CA-1234399-A (CA)
Inventor: SMITH GORDON W
IPC: A63G31/16
Filed: 1984-10-10
Granted: 1988-03-22
Abstract: COCKPIT CABINET ASSEMBLY            ABSTRACT OF THE DISCLOSURE    A  space atmosphere establishing modular cockpit  unit for  video  games includes a front module unit including  a box-like  cabinet for containing a video monitor or  screen setting   on   a  box-like  pedestal   divided   into   two compartments,  a  top  compartment  for containing  a  coin feeding mechanism and a bottom compartment for containing a coin box with a spaced opposed second modular unit defining a  operator's  seat  mounted on  a  box-like  pedestal  for-containing  the  game  electronics and  the  second  module including   arm   rests  containing  video   controls   for manipulation  by the operator and a backrest with forwardly projecting  wings containing audio speakers for  the  sound effects  of the video game,  the entire assembly positioned and arranged to define a cockpit like structure providing a spaceship-type cockpit atmosphere.
Patent CA-1269805-A (CA)
Inventor: LACHENAL DOMINIQUE
IPC: D21C9/16
Filed: 1984-10-12
Granted: 1990-06-05
Abstract: 1. Process for bleaching chemical paper pulps by means of an alkaline hypochlorite solution and then hydrogen peroxide, without intermediate washing of the treated pulp, characterized in that the hydrogen peroxide is added when 85% to 95% of the hypochlorite is consumed.
Patent CA-1250174-A (CA)
Inventor: BENEDIKT GEORGE M
IPC: G03F7/012
Filed: 1984-10-12
Granted: 1989-02-21
Abstract: POLYNORBORNENE NEGATIVE PHOTORESIST                   ABSTRACT OF THE DISCLOSURE A negative photoresist is formed from a photosensitized ("PS") composition having as an essential component, a homopolymer or copolymer having a major molar amount of a ring-opened unsubstituted tetracyclic norbornene ("NB"), and/or a substituted tetracyclic NB having non-polar substituents, and a minor amount, if any, of another NB, optionally also similarly substituted with non-polar substitutents. The negative photoresist formed by exposure of a film about 1 micron thick of the PS composition to ultraviolet light in the range from about 220-450 nanometers forms, in the contact mode, a pattern of lines and spaces which are developed in a substantially aliphatic hydrocarbon solvent so as to provide a high resolution in the range from about 1 micron to about 2 microns in the pattern. Lines in the pattern have essentially vertical walls and substantially unswollen contours.
Patent CA-1268897-A (CA)
Title: Gonadoliberin derivatives and process for the  preparation thereof
Inventor: GULYAS TAMAS
IPC: C07K7/06
Filed: 1984-12-21
Granted: 1990-05-08
Abstract: Abstract The invention relates to gonadoliberin derivatives of the general formula (I) Glp-His-Trp-Ser-Tyr-X1-X2-X3-Pro-X4 wherein X1         is a glycyl group or a D-isomer of any natural or synthetic amino acid group, X2         represents an L-amino acid group having 1 to 4 carbon atoms in the side chain, L-phenyl--alanyl or L-tryptophyl group, X3         represents an L-amino acid group having a C1-4 alkyl or C2-4 alkanoyl-amide side chain, and X4         is a glycine amide or a C1-4 alkyl amide group, with the proviso that if X1 stands for a group other than glycyl and X2 is a tryptophyl group then X3 may not be leucyl, and the addition salts formed with therapeutically use-able acids and complexes thereof. Furthermore the inven-tion relates to a process for preparing these compounds.              The new gonadoliberin derivatives can be effectively used for the reproduction process of fish, birds and mammals.
Patent CA-1236007-A (CA)
Inventor: HICKMAN ALVIN E
IPC: B23K31/02
Filed: 1985-01-23
Granted: 1988-05-03
Abstract: "SUCKER ROD SCRAPER METHOD AND DEVICE"                ABSTRACT OF THE DISCLOSURE           A plurality of sucker rod scrapers are securely attached in spaced apart relationship to a length of sucker rod for scraping paraffin deposits from the interior of a tubing string, thereby ob-viating obstruction to the flow of oil therethrough by maintaining a satisfactory effective flow area within the tubing string. The scrapers each have a spiraled scraping surface wound helically about the sucker rod and attached at each opposed end thereof by the provision of a clamping member which includes a U-band and a heat shield. The U-band has confronting marginal edge portions which overlap the edge portions of the heat shield.  The heat shield has a slot formed centrally therein for receiving a tab located at either of the opposed ends of the spiraled scraper.  The confront-ing edges of the U-band are welded to one of the marginal opposed ends of the scraper, while the heat shield prevents the metal of the sucker rod being elevated to a temperature which changes the characteristics thereof.
Patent CA-1256337-A (CA)
Title: Process for the preparation of thermoplastic  composites
Inventor: PEAKE STEVEN L
IPC: C08J5/04
Filed: 1985-01-28
Granted: 1989-06-27
Abstract: PROCESS FOR THE PREPARATION OF THERMOPLASTIC COMPOSITES                ABSTRACT OF THE DISCLOSURE       This invention relates to a process to produce resin matrix materials.   More particularly,  it relates to an improved method to prepare resin-reinforced fiber compo-sites, such as sheets and tapes, and their consolidation under heat and pressure into laminates.
Patent CA-1240670-A (CA)
Inventor: BOX LARRY
IPC: C08B1/00
Filed: 1985-02-01
Granted: 1988-08-16
Abstract: ABSTRACT OF THE DISCLOSURE       Disclosed are modified polysaccharide materials comprising the reaction product of water-wettable polysaccharide with N,N'-methylenebisacrylamide and methods of making same. The materials are useful in the preparation of products characterized by their increased bulk and absorbency.
Patent CA-1256525-A (CA)
Title: Alarm for milk cooler
Inventor: GURNEY ROBERT A
IPC: G01K15/00
Filed: 1985-05-10
Granted: 1989-06-27
Abstract: An alarm for a milk cooler which sounds when the temperature of milk within the cooler exceeds a predetermined value. A switch permits the device to be turned off to prevent it from sounding when milk is being discharged from the cooler or when the cooler is being cleaned with hot cleaning solvent. However when fresh milk is being introduced into the cooler that switch is overridden and the alarm sounds should the milk not be cooled to the required temperature after a predetermined interval of time.
Patent CA-1229180-A (CA)
Inventor: ELLWANGER RUSSELL C
IPC: H01L21/3105
Filed: 1985-06-12
Granted: 1987-11-10
Abstract: ABSTRACT: "Method of forming an insulator on a patterned conductive layer."     A structure having a substantial planar surface is created by a method in which an insulating layer (24) that has an upward protrusion (26) is formed on a patterned conductive layer (20) having a corresponding upward pro-trusion (22). An additional layer (28) having a substan-tially planar surface is formed on the insulating layer. Using an etchant that attacks the additional layer much more than the insulating layer, the additional layer is etched to expose at least part of the insulating protrusion. The additional layer and the insulating layer (as it be-comes exposed) are then etched with an etchant that attacks both of them at substantially the same rate. This brings the upper surface down without exposing the conductive layer, particularly its upward protrusion.
Patent CA-1267351-A (CA)
Inventor: LANDSNESS CLIFFORD A
IPC: B29D30/18
Filed: 1985-08-21
Granted: 1990-04-03
Abstract: ABSTRACT A tire building machine that allows for free axial movement of positioned beads towards a tire drum during expansion of the tire drum.  The axial movement of the bead is effected by a rubber sleeve that envelops the tire drum and a pair of bead carrier assemblies, each one located axially outwardly of the drum.  Subsequent to positioning the bead in a tire building process, the beads are locked into place by means attached to each of the bead carrier assemblies.  Expansion of the drum causes the sleeve to effect inwardly axial movement of the bead carrier assemblies toward the drum carrying the tire beads towards the drum, and retraction of the drum causes outwardly axial movement of the bead carrier assemblies away from the drum.
Patent CA-1259802-A (CA)
Inventor: MURZYN PATRICK J
IPC: B24C3/16
Filed: 1985-10-18
Granted: 1989-09-26
Abstract: IN-SITU REMOVAL OF OILY DEPOSITS FROM THE INTERIOR SURFACES OF CONDUITS          Abstract of the Disclosure The in-situ cleaning of conduits containing oily deposits is facilitated by the concurrent passage of cleaning particles and a non-agglomerating drying agent therethrough in a propelling gas stream.  In cycling cleaning operations, the preliminary injection of drying agent into the conduit prior to said concurrent use of cleaning particles and drying agent further enhances the overall in-situ cleaning operation.           D-14,715
Patent CA-1252886-A (CA)
Inventor: JONES R SIDNEY JR
IPC: G03C1/72
Filed: 1985-12-03
Granted: 1989-04-18
Abstract: ABSTRACT OF THE DISCLOSURE           Provided is an optical data storage medium comprising a chromophore/polymer composition information layer, wherein the polymer and chromophore are chemically bound so as to improve chromophore/polymer compatibility.  If necessary, the chromophore or the polymer may be modified to improve their interaction. When modification is desired, it is preferred to modify the polymer so as not to disturb the chromophore structure, which is generally selected for its absorption features.  The interaction between the chromophore and polymer can be either covalent on non-covalent.  The overall result is an information layer having improved chromophore/polymer compatibility.
Patent CA-1240691-A (CA)
Inventor: SPIVACK JOHN D
IPC: C08L33/02
Filed: 1985-12-13
Granted: 1988-08-16
Abstract: SUBSTITUTED DIBENZO DIOXAPHOSPHEPINS AND           DIOXAPHOSPHOCINS          Abstract of the Disclosure Hydroxyphenylthio-substituted phosphites of the formula   prepared by the reaction of the appropriate phosphorus and phenol compounds, said phosphites being useful as stabilizers of organic polymers and lubricating oils to counteract the degradative effects of light, heat and air.
Patent CA-1217020-A (CA)
Inventor: BALL DOUGLAS C
IPC: E04B2/76
Filed: 1986-02-17
Granted: 1987-01-27
Abstract: ABSTRACT OF THE DISCLOSURE          An improved and more versatile space divider system for open office interiors includes as a major com-ponent a structural beam or spine supported at each end by vertically adjustable legs.  Feet on the legs provide the required lateral stability to support or hang components such as work surfaces, filing systems and the like from the beam.  The legs have a smooth exterior surface yet permit beams to be connected thereto at a wide variety of angles, particularly at any 45° increment from the vertical axis of the leg.   Each beam may be provided with a midpoint connection so that one beam may be connected to and extend normal to the other without a leg beneath the point of connection. 1cm/
Patent CA-1243755-A (CA)
Inventor: MARMET PATRICK
IPC: G07C9/00
Filed: 1986-04-07
Granted: 1988-10-25
Abstract: 1. An electromechanical device for manipulating a code-controlled door or access comprising a control unit arranged in the vicinity of the lock of said door or access and having a code input interface comprising a keyboard or the like (1), said interface (1, 2) being connected to a comparator (3) which also receives the normal code recorded in electronic form in a memory (4), said comparator controlling an electrical actuator (6) when the code entered by the user on the keyboard (1) is the same as the normal code recorded in the memory (4), and a remotely situated monitoring unit, the control unit also comprising an alarm circuit (7, 12-15) which is sensitive to the actuation of a coercive code generating an alarm for coding under coercive which is transmitted to the monitoring unit, characterised in that said coercive code is a short code entered after the normal code and in that said alarm circuit is actuated for a short period by entering the normal code.
Patent CA-1250323-A (CA)
Inventor: DANIELSON PAUL S
IPC: C03C3/087
Filed: 1986-04-16
Granted: 1989-02-21
Abstract: Abstract of the Disclosure This    invention    is    concerned    with    a narrowly-defined composition  area of  glasses  in the alkaline   earth   aluminosilicate   system   especially suitable   for   fabricating   tungsten-halogen   lamp envelopes.  The invention comprises the use of arsenic in  the  batch  in  such  amounts  as  to  yield  about 0.17-0.3% by weight as  analyzed  in  the  glass  as  a secondary  fining  agent  to  insure  a  seed  count  no greater  than  10/in3.   The  base  glass  compositions consist essentially, in weight percent, of about:    SiO2      64-68          BaO       0-5 CaO       11-14          SrO       0-4 Al2O3   16.5-18.5    BaO+SrO       2-6.5
Patent CA-1257487-A (CA)
Inventor: IZATT EDWARD
IPC: B25B13/04
Filed: 1986-05-13
Granted: 1989-07-18
Abstract: BOX END WRENCH            ABSTRACT OF THE DISCLOSURE         Conventional  multi-point box end wrenches or ring wrenches  are broached  completely therethrough  so that when used on a bolt head or nut spaced above a sur-face, the wrench can slide down clear of the bolt head or nut and thus slip as pressure is being applied thereto.          Also,  it is difficult to ensure that the full depth of the wrench is engaged upon the bolt head or nut and that the plane of the wrench head is substantially parallel with the plane of the bolt head or nut.   In the present invention, the broaching terminates spaced from the upper side of the blank from which the wrench is formed thus defining a retaining shoulder which rests on the upper surface of the bolt head or nut so that the wrench cannot slip downwardly thus maintaining an aligned engagement of the wrench with the bolt head or nut yet at the same time permitting the member, such as a stud, upon which the nut is engaged, to pass clear through the wrench head without interference to the threads of the stud, as the nut is being manipulated by the wrench.
Patent CA-1259975-A (CA)
Inventor: GALLAGHER P CHRISTOPHER J
IPC: F21V7/00
Filed: 1986-06-23
Granted: 1989-09-26
Abstract: LIGHTING APPARATUS     Abstract of the Disclosure Efficiency of a lighting apparatus containing one or more pairs of fluorescent tubes is improved by eliminating one tube of each pair, installing a new pair of sockets positioned to hold the remaining tube at a location in a vertical plane between the original tube locations, positioning a new reflector in the fixture so that it reflects light from the repositioned remaining tube, and making electrical connections to the new sockets.  This can be done by making connections to original sockets.  The reflector is supported by spring clips held in place by the same fasteners which secure the new sockets.  The spring clips are positioned to allow installation and removal of the new reflector without loosening the fasteners.
Patent CA-1263762-A (CA)
Inventor: ROBINSON IAN NEVILL
IPC: G11C15/04
Filed: 1986-08-12
Granted: 1989-12-05
Abstract: A PATTERN ADDRESSABLE MEMORY           ABSTRACT The present invention consists of a memory system for storing and retrieving data sequences of symbols in response to a query sequence.  Each of the sequences is made up of three types of symbols, constants, delimiters, and variables.  A data sequence is retrieved in response to a query sequence if the two sequences can be made identical by replacing the variables in each sequence by constants or combinations of constants and delimiters, said combinations beginning and ending with a delimiter.          To reduce the time needed to search the memory for all data sequences corresponding to a given query sequence, multiple processing units are employed.          In addition to carrying out rule-based searches, the memory system can also efficiently retrieve all records containing a specified list of key words.
Patent CA-1261427-A (CA)
Inventor: PROCTOR ROBERT H
IPC: F25B45/00
Filed: 1986-08-26
Granted: 1989-09-26
Abstract: ABSTRACT OF THE DISCLOSURE      An air conditioner charging station includes oil and refrigerant reservoirs, a vacuum pump, and an electronic sequencing unit.   A header conduit connected to the reservoirs and vacuum pump is connected to a cross-over conduit, which in turn is connected to conduits extending to the high and low pressure sides of an air conditioner compressor. Electrically operated valves are provided in the cross-over conduit, in a dump conduit connected to the cross-over conduit, and in branch conduits connected to the reservoirs and to the vacuum pump.  An over-ride control of the cross-over valve is provided, responsive to the pressure of the high pressure side and an over-ride control is provided for cross-over valve, activated if the ambient temperature is below a predetermined level. An excessively high pressure in the high pressure side causes the closing of the valve in the refrigerant reservoir branch conduit.
Patent CA-1273033-A (CA)
Title: Controllable mechanical seal
Inventor: SALANT RICHARD F
IPC: F16J15/34
Filed: 1986-09-25
Granted: 1990-08-21
Abstract: CONTROLLABLE MECHANICAL SEAL            ABSTRACT:            A controllable  mechanical  seal   (18)   for  sealing  a shaft  (16)  rotatable  relative  to  the  housing  (12)  of  a fluid  machine  (10)  includes   first  (24)  and  second  (30)  face elements   having   first   (34)   and   second   (36)   radial surfaces.    The  first  element  (24)  is  adapted  for  rotation with the shaft  (16).   The second element  (30)  is adapted to be  stationary  within  the  housing  (12).  One  of  the  elements is  movable  axially  relative  to  the  shaft.    The  first  and second  surfaces  (34,36)  are  adapted  to  define  a  gap  (38) within  which  there  is  a  thin  lubricating  fluid  film.    An actuator  (32,32a)  is  provided  for  deforming  at least one  of the  surfaces  so that the  gap converges in a direction from a  high  pressure  side  (20)  to  a  low  pressure  side  (22)  of the  seal.     A  sensor  (48)  is  provided  for  measuring  a temperature   indicative   of   incipient contact   of   said surfaces  (34,36).    A control  system  (46)  responsive  to  the sensor  (48)  generates  an  external  voltage  which  is  applied to  the  actuator  to  control the  convergence  of the  surfaces and  thus  maintain  an  optimum  thickness  of  the  lubricating film for a wide range of operating conditions.
Patent CA-1275061-A (CA)
Inventor: VAN ELTEN ELBERTUS J
IPC: B65G1/08
Filed: 1986-10-06
Granted: 1990-10-09
Abstract: ABSTRACT         This invention relates to a system for the order collection of boxes, cases, crates and the like with products, comprising gravity roller tracks (4) arranged in adjacent rows, provided with a crate supplier (1) along the high feed-in side and an order discharge track (16) along the low discharge side.         According to the invention the boxes, cases, crates and the like are transferred from the lower end of a gravity roller track either onto an order discharge conveyor (16) extending along the lower discharge side or cover this discharge track onto a short storage track (17) arranged in line with the gravity roller conveyor.