baber/WOPTO huggingface dataset:
Patent GB-1459227-A (GB)
Title: Electronic circuitry and in particular to circuitry for the cross feed cancellation of second order distortion
IPC: G06G7/04
Filed: 1973-12-17
Abstract: 1459227 Non-linear amplifier circuits and multipliers UNISEARCH Ltd 17 Dec 1973 [15 Dec 1972] 58359/73 Heading G4G Second and higher-order distortion in a non- linear electronic device having at least two  inputs and at least one output, is reduced by incorporating cross-feeds into the input circuits such that one or more of the effective inputs of the device are functions of at least two of the variable electrical quantities (current or voltage) applied to the terminals of the device. The invention may be applied to a multiplier ideally performing the operation Z=KXY, where, because of imperfections, the actual output will be of the form where terms of higher order than two have been omitted. Suppose the desired output to be z = Kxy where x, y are the actual inputs. By means of cross-feeds between the inputs and off-set adjustments, the signals applied to the device are and the output signal is given by z = Z + z o  where z o  is the output off-set. The terms X, Y and Z may be eliminated between these equations and an expression for z found (given in the Specification). The expression contains a term Kxy (the desired output) and numerous other terms which can be reduced to a minimum by choice of x o , y o , b x  and b y . Thus, terms in x<SP>2</SP> and y<SP>2</SP> may be minimized by putting b x = -a x  and by= -a y . In the multiplier shown, only the input and output circuitry of a known (imperfect) device is illustrated. Variable resistors RV1, RV2 control b x  and b y  respectively whilst RVX, RVY and RVO control the offsets x o , y o  and y o . RVG controls the gain K. To set up the circuit, the X input amplitude is swept by, e.g. a sinusoidal signal, and zero signal applied to the Y input. Resistors RV1 and RVY are adjusted to minimize the peak-to-peak amplitude of the output, using a CRO. The test signal is then applied to the Y input and RV2, RVX are adjustment, these tests being repeated if necessary.
Patent GB-1300066-A (GB)
Title: A system for circulating liquid metal
Inventor: DUBSEK FRANTISEK
IPC: F04D7/06
Filed: 1969-11-28
Abstract: 1300066 Centrifugal pumps PRUNI BRNENSKA STROJIRNA ZAVODY KLEMENTA GOTTWALDA NARODNI PODNIK 28 Nov 1969 58391/69 Heading F1C A system for circulating liquid metal around a circuit 2, Fig. 1, comprises a tank 1 which stores the liquid metal with inert gas in the space thereabove, a submerged circulating pump 5, and one or more valves 20 located within the tank with their actuating spindles passing through seals 22 in the tank walls. Liquid metal leakage from the circuit into the tank via hydrostatic bearing 17 and valve seals 19, is replenished by liquid metal drawn into the pump through a check valve 18 which can be actuated by a mechanism 26. Driving motor 10 is located in an inert gas space 11. In an alternative embodiment, Fig.2 (not shown), the pump (5) draws in liquid metal directly from the tank, the return line (4) of the circuit discharges directly into the tank, and a submerged horizontal plate (27) positioned above the pump inlet and return line outlet prevents the stirring motion of the liquid below the plate being transferred to the liquid above. In another embodiment, Fig.3 (not shown), having a pump receiving liquid metal directly from the tank, a bearing (29) of the pump driving shaft is cooled by relatively cool liquid metal supplied through a vertical tube (32) which houses the shaft and bearing.
Patent GB-1281579-A (GB)
Title: Improvements in and relating to a semi-conductor mechano-electrical transducer
IPC: H04R23/00
Filed: 1969-12-02
Abstract: 1281579 Semi-conductor devices MATSUSHITA ELECTRIC INDUSTRIAL CO Ltd 2 Dec 1969 [4 Dec 1968 (2)] 58774/69 Heading H1K A semi-conductor mechano-electrical transducer comprises, a semi-conductor body 15, 16 on which is formed at least one columnar projection 17 of material, harder than the semiconductor material, serving to transmit a mechanical pressure to the semi-conductor body. The projection 17 may be of insulating material such as sapphire, quartz or ceramic formed directly on and adhering strongly to the body 15, 16, or it may be of hard metal such as tungsten, molybdenum, rhenium or tungsten-carbon alloy when it is formed on and adheres directly to an insulating layer, such as silicon oxide, on the semiconductor body which may be of silicon, germanium or selenium. The insulating projection is formed by electron, beam deposition or H.F. sputtering, and the metal projection is formed by vapour or chemical deposition, or sputtering and etched to; the required shape. The semi-conductor body may have a PN junction as shown, or may be a Schottky diode, Fig. 3 (not shown), when the projection and Schottky electrode may be of the same material. The transducer may comprise more than one columnar projection.
Patent GB-1151000-A (GB)
Title: Improvements in or relating to Devices for Measuring the Depth of Water, more particularly for Anglers.
Inventor: KOELLMANN WILFRIED
IPC: B63C11/02
Filed: 1967-12-29
Abstract: 1,151,000. Indicating depth of liquids. W. KOLLMAN and G. LAURIN. Dec. 29, 1967 [Jan.4, 1967], No. 59111/67. Heading G1H. [Also in Division A1] A device for measuring the depth of water comprises a vertically movable float 3 having a serrated underside 12 which rests on two flanges of a twin reel 7. A measuring line 9 with an attached lead 8 is wound on one part of the reel and an intermediate line 10, which is connected to the angling line or tied to a hook (23, Fig. 2 not shown) is wound on the other part of the reel in an opposite sense to the winding of the measuring line. The measuring line 9 passes over the drive roller (24, Fig.2 not shown) of a counter 25. When the device is cast into the water the float 3 disengages from the reel 7 allowing the lead 8 to drop. The depth of the water is indicated on the counter 25. To prevent a false measurement due to accidental reeling in or out of the line 9, there is a disengageable ratchet device at the end 16 of the reel. A locking clip 18, forming part of the ratchet device, has a hard rubber lining 21, and the spring force of the clip 18 provides braking means for the falling lead. Alternatively the measuring line ratchet is replaced by a disengageable ratchet for the counter. In a modification, the float rests on a reel which also forms the drive wheel of a counter equipped with a free wheeling device, wherein the angling line itself, or an intermediate line connected with the angling line passes with at least one turn over the reel, and the end of the line carries a lead. The device is also suitable for use by bathers.
Patent GB-1404870-A (GB)
Title: Thread supply device for textile machinery
IPC: D04B15/48
Filed: 1972-12-21
Abstract: 1404870 Knitting-machines, thread feed FOUQUET-WERK FRAUZ & PLANCK 21 Dec 1972 [23 Dec 1971] 59188/72 Heading D1C A thread storage-feeder comprises a rotatable drum 64 bearing a series of triangular ribs 2 onto which thread is wound, and a ring 80 including magnetisable material held floating by a magnet 81 and through which the thread is withdrawn. The drum is supported on a shaft 70 by a bearing 63. The shaft houses a tube 69, connected to a pneumatic supply, the lower end 74 of which communicates with a nozzle tube 78 in the drum. As yarn turns accumulate on the drum, increased pressure in the tubes bulges membrane 56 raising member 57. A constantly rotating gear 67 is raised, thereby breaking the drive connection to clutch disc 66 secured to the drum. The magnet is vertically adjustable. The ring 80 may be of steel which may be plastics coated, or may be of plastics with magnetic material embedded therein. In an alternative embodiment, Figure 5, the drum 64 is driven by a coaxial motor. The outer shell 120 of the motor drives a disc 117 via interengaging surfaces 118, 119. Disc 117 frictionally engages a clutch disc 128 secured to the top of the drum. Accumulation of yarn turns depresses tongue 124 and causes a pressure build up in chamber 123 closed by a membrane supporting a lifting disc 126. As disc 126 is lifted, drive to the drum is interrupted. A bulge 135 prevents the ring 80 being pulled off by a knot on the yarn. The feeder may be clamped in a vertical or inclined position to a pneumatic line and electric bus bar around the machine.
Patent GB-1358367-A (GB)
Title: Machine for crimping a synthetic yarn
IPC: D02G1/06
Filed: 1972-12-22
Abstract: 1358367 Crimping yarns; false-twisters BARMAG BARMER MASCHINENFABRIK AG 22 Dec 1972 [23 Dec 1971] 59470/72 Headings DID and D1F In a twist-crimping process, a running, preheated, synthetic, thermoplastic monofilament or multifilament yarn is subjected to at least two consecutive false-twisting operations by a friction-twisting e.g. ring, sleeve or disc, unit and a false-twist spindle which drive the yarn in the same direction of rotation. The single apparatus shown embodies a false-twist spindle 4 and unit 2, comprising overlapping friction discs 6, 7 and 8 one of which is adjustably pivotable, successively rotating the yarn 5. A number of crimping stations may be driven together by a belt 10 and belt drives 11 and 12 coupled thereto and whereby the rotational speed ratios between unit 2 and spindle 4 and also the direction of rotation may be adjusted. False twist extends back to heater unit 15 and a twist stop therebeyond. Unit 2 may be replaced by a friction sleeve (9) Fig. 2 (not shown).
Patent GB-1457547-A (GB)
Title: Deflection circuits for electron beam scanning
IPC: H03K4/69
Filed: 1973-12-28
Abstract: 1457547 Scanning circuits SONY CORP 28 Dec 1973 [28 Dec 1972] 59911/73 Heading H3T A single ended push-pull sawtooth scanning current generator includes switching means to connect a higher voltage source to the generator during the scan than during the fly-back so as to reduce dissipation in the circuit. At the end of the sweep transistor Q12 switches off and the voltage across the deflector coil rises steeply. This, via a differentiating circuit 16 triggers a gate controlled thyristor 18 so that a capacitor C 2  charges to a voltage E 2  higher than the normal supply Eo. In due course transistor Q11 is rendered conducting and saturates whereupon the fly-back is completed at a resonant frequency determined by C 1  and C 2  in parallel. Transistor Q11 comes out of saturation as the sweep commences, the voltage across the deflection coil falls and the thyristor switches off. C 2  is discharged to E 0  and the sweep is generated from this supply voltage. The gate controlled thyristor may be replaced by an SCR if the circuit is self-commutating and the trigger pulse for the thyristor may be derived externally (Fig. 6, not shown).
Patent GB-1324348-A (GB)
Title: Methods of securing electrical components to a carrier plate by infra-red soldering
IPC: H05K3/34
Filed: 1971-12-31
Abstract: 1324348 Soldering SIEMENS AG 31 Dec 1971 [5 Feb 1971] 60908/71 Heading B3R Apparatus for soldering a component to a carrier plate e.g. an electrical component to a pretinned location on a ceramic or glass carrier plate or circuit board, comprises an infra red source 1 and reflector 2 located below a glass filter plate 3 on which the carrier plate 6 may be placed the reflector 2 being adapted to focus infra-red radiation at the soldering location and the filter plate being adapted to filter out any visible light component of the radiation. By this means the soldering location may safely be observed by an operator through a microscope. The filter plate 3 is supported in an annular support 4 adapted to be preheated by an electric heater 5 so as to bring the carrier plate close to soldering temperature before the actual soldering operation. A nozzle 18 provides for a flow of cooling air to be directed on the soldered junction to cool and solidify the solder. The component 13 to be soldered on to the carrier plate 6 is held in an electrically controlled chuck 12 which may be lowered towards the carrier plate by a mechanism 14 controlled by a handle 14<SP>1</SP>. A potentiometer 15 connected to the mechanism 14 is arranged to increase the power supply to the infra red source, which may be a halogen lamp, and thus increase the intensity of radiation as the component is lowered on to the plate. The infra red lamp 1 may be adjusted in position relative to the reflector 2 by means of a handle 17 so as to focus the radiation at a point or provide a more spread heating effect.
Patent GB-2021409-A (GB)
Title: Pharmaceutical composition
IPC: A61K31/60
Filed: 1978-06-06
Abstract: A pharmaceutical composition comprising a compound having sodium cromoglycate like activity, as active ingredient, in combination with sulphasalazine, or with an aminosalicyclic acid or a pharmaceutically acceptable derivative thereof, packages containing the separate components of the composition and pharmaceutical formulations containing the composition.
Patent GB-2027494-A (GB)
Title: Sail power device
IPC: F03D3/00
Filed: 1978-07-12
Abstract: The device, for converting wind energy into reciprocal motion, comprises a diamond shaped sail 1, rotatably supported at upper and lower ends 12, 25 and tensioned around its periphery by a steel cable attached via bolts 7 to a rigid elliptical member 5 on which are mounted means 10 for causing portions of the sail 1 to camber out of the plane of the sail in respective opposite directions. The sail 1 when supported in a wind thus rotates about a vertical axis and at the same time vibrates backwards and forwards as it turns into and out of the wind, one axial end of the sail being attached to a reciprocating workload e.g. pump 30. <IMAGE>
Patent GB-2027116-A (GB)
Title: Mounting Means
IPC: F25D29/00
Filed: 1978-07-20
Abstract: In a refrigerator an expansion valve is opened and closed according to the temperature of the outlet 11 from an evaporation unit. A temperature sensor phial 12 is mounted on the outlet 11 by a strip of self-adhesive nylon fabric 14 which is wrapped around the phial and outlet and secured to itself. This provides an easy mounting even in difficult positions and also heat-insulates the phial which therefore follows more closely the temperature of the outlet. <IMAGE>
Patent GB-2033921-A (GB)
Title: Improvements in the preparation of linear alkylbenzenes
IPC: C07C7/13
Filed: 1978-09-19
Abstract: In a process for the preparation of alkylbenzenes by partial chlorination of linear C9-C15 paraffins, catalytic alkylation of benzene with the resulting mixture and fractionation by distillation of the alkylation products, at least a part of the unreacted paraffins recovered by fractionation and to be recycled to the chlorination stage is submitted, continuously or intermittently, to a purification treatment with molecular sieves. The content in undesired by-products of the alkyl-benzenes can thus be maintained at negligibly low values.
Patent GB-2030787-A (GB)
Title: Electrical machine with cryogenic cooling
IPC: H02K55/04
Filed: 1978-09-25
Abstract: A rotor (3) has a superconducting winding (7) with cooling ducts (8) connected to a heat exchanger (26) disposed in the cavity of the rotor which contains also a Ranque vortex tube (16), a peripheral outlet of which is connected to a cooling duct in a thermal-electromagnetic shield (13). The rotor (3) also comprises two power leads (39) to the rotor each having at least one cooling duct (40) connected to the central outlet (20) of the Ranque vortex tube. Reducer portions (9, 10) each have at least one cooling duct (11, 12) which has its first inlet close to the superconducting winding (7) and connected with the central outlet (20) of the Ranque vortex tube. The outlets of these cooling ducts (11, 12) are connected with the coolant discharge line (25). The tangential inlet (17) of the Ranque vortex tube is connected with the coolant supply line (19). The heat exchanger may be annular with the vortex tube disposed coaxially within it. Various other arrangements of the piping are disclosed. <IMAGE>
Patent GB-2006006-A (GB)
Title: Temperature sensitive strut
IPC: A62C37/12
Filed: 1978-09-27
Abstract: The strut 6 for a sprinkler head comprises an elongate member 7 formed by two components 10, 11 the confronting end faces of which are angled relative to a plane transverse to the main axis of the strut. A fusible element 9 co-operates with the components 10, 11 to prevent relative sliding movement between the confronting end faces under load up to a predetermined temperature at which the element 9 melts and the strut 6 collapses. The fusible element may be a plug located within the member 7 (Figure 1) or an external sleeve. A door control mechanism also incorporates the strut. The element 9 may be electrically conducting and the components 10, 11 electrically insulating allowing the element 9 to be electrically connected by a monitor circuit to a remote control station which gives an indication when the circuit breaks following dissolution of the element 9. <IMAGE>
Patent GB-2007534-A (GB)
Title: Spill-Proof Impinger
IPC: B01L5/04
Filed: 1978-10-26
Abstract: A spill-proof impinger (gas-trap) comprises a liquid container 1 which has a gas inlet tube 2 extending to the bottom of the container and a gas outlet tube 3 extending axially to the middle of the container so that when the container is filled with liquid to a level below the gas outlet tube, the tip of the outlet tube remains above the level of liquid on inversion of the container. The present impinger is useful for collection of dust, fumes, vapours and gases as test samples or for monitoring safety aspects and can be worn about the person of the operative. <IMAGE>
Patent GB-2033734-A (GB)
Title: Method and apparatus for producing sheet-like food
IPC: A21B5/03
Filed: 1978-10-31
Abstract: A method and apparatus for producing a baked sheet-like food article, wherein a dough of wheat flour or the like is stored in a storage tank 6, in which a rotary drum 22 is horizontally supported for transferring the dough sticking to the rotary drum to an endless rotary structure 11 horizontally supported for rotation in opposed relation to the rotary drum 22, and the dough thus transferred to the rotary structure 11 is then baked on the surface of the rotary structure. The rotary drum 22 may have raised regions 38 to produce discrete food articles of a desired shape, and may be cooled by water supplied through pipes 17. <IMAGE>
Patent GB-2010549-A (GB)
Title: Stochastic Calculation Using a Single Random Noise
IPC: G06F7/70
Filed: 1978-11-01
Abstract: The invention relates to a process and a device for obtaining, in stochastic calculation, an operator (e.g. the sum) for magnitudes x, y represented by electric signals, wherein said magnitudes are coded by means of the same random noise B and the magnitudes thus coded are applied to the inputs of a device 3 capable of performing logic functions. The invention is applicable to the stochastic processing or transmission of information. <IMAGE>
Patent GB-2011525-A (GB)
Title: Hinge with adjustable pin
IPC: E05D7/00
Filed: 1978-11-03
Abstract: The hinge comprises a body (2) having a screw-threaded bore (4) into which is screwed a screw-threaded shank (5) of a male pin (6) on which is rotatably supported a socket member (11). The body and the socket member bear screw-threaded members (3, 13) to fix them respectively to a fixed member of a structure and a member to be hinged thereto. When the hinge is thus attached. the hook member turns on the pin; the threads of the pin shank and the bore of the body being such as to prevent rotation of the pin. The top end of the pin is accessible from the top end of the hook member and bears a notch (8) to take a screw- driver to permit the pin shank to be screwed into the bore of the body to a greater or lesser extent to adjust the height of the hinged member relative to the fixed member. <IMAGE>
Patent GB-2035159-A (GB)
Title: Decorating wood by blasting
IPC: B27M1/00
Filed: 1978-11-22
Abstract: A wood panel board, post, beam or the like having a grain pattern on its surface is sand blasted in order to gouge out relatively soft material from between the lines of grain leaving the grain lines standing out in relief.
Patent GB-2012878-A (GB)
Title: Marine Vessel Noise Attenuator
IPC: B63H21/32
Filed: 1978-12-06
Abstract: The exhaust or the inlet duct of a marine gas turbine engine power plant installation comprises a porous duct 20, a plurality of circumferentially arranged non-porous channel members 22 attached to and axially spaced along the porous duct, the channel members and the porous duct together defining a plurality of annular noise attenuating cells, and at least one layer of heat insulating material 26 surrounding the channel members, the insulating material being contained with a cover 28 and attached to the porous duct. <IMAGE>
Patent GB-2014940-A (GB)
Title: Edge protector for transport crates
IPC: B65D71/04
Filed: 1979-01-25
Abstract: An edge protector for a transport crate, in particular for the external corners between the crate bottom 1, a crate wall 3 and transverse slats 4,5 serving as supports for the crate. The protector is constructed in the form of a surface fitment 15 and comprises a plurality of expendable bodies 16, 17, 34 forming a single structural unit made of high molecular weight high pressure polyethylene. The body 16 fits against the crate bottom, the body 17 fits against the outside of the slat 5 and the body 34 fits against the bottom of the crate wall 3. The corner between the bodies 16, 17 has an internally rounded apex 23, and at least one of the bodies 16, 17, 34 terminates in a thin-walled plate, such as the plate 25. The fitment 15 is secured to the crate by means of nails, staples or the like (not shown) passing through said thin-walled plates. <IMAGE>
Patent GB-2017465-A (GB)
Title: A heater for application to a window
IPC: H05B3/84
Filed: 1979-03-06
Abstract: A heater including a plurality of heater elements 11 for application to a window, and a bus bar arrangement 13 for making an electrical connection to said elements, said bus bar arrangement including an elongate support member 14 formed from electrically insulation material having a strip like portion 15 presenting a relatively broad surface to be adhesively secured to the window and a rib 16 of relatively narrow cross-section upstanding from the strip-like portion over which the elements are to extend, the bus bar arrangement further including a metal channel 17 of correspondingly narrow cross-section arranged to receive said rib so as tightly to trap said elements 11 against said rib and so make electrical connection thereto. <IMAGE>
Patent GB-2017831-A (GB)
Title: Deck water seal apparatus
IPC: B63B25/08
Filed: 1979-03-20
Abstract: A deck water seal apparatus for example for an oil tanker comprises a housing for sealing liquid having a gas outlet (2); a gas inlet conduit (1); an outer guide (6) surrounding a lower part of said gas inlet conduit; and an inner guide (7) having an open lower end mounted on said outer guide and extending into said gas inlet conduit to a height such as to prevent a liquid overflow in the normal state but to cause liquid overflow into said gas inlet conduit when a back pressure is applied from said gas outlet by any return flow of a gas opposing the normal flow of inert gas through the apparatus. <IMAGE>
Patent GB-2017576-A (GB)
Title: A Saw Guide Assembly
IPC: B27G5/02
Filed: 1979-03-26
Abstract: Each of two saw-guide units 3A, 3B which are adjustably clamped to two guide rods 4A, 4B is provided with a workpiece clamp 6 and a pair of posts defining slots for maintaining the saw blade in a predetermined position, relative to the longitudinal axis of the workpiece. The required distance apart of the two units, when forming the sides of a picture frame, is determined by placing the frame glass between reference surfaces 11a of blocks 11 on the units. <IMAGE>