baber/WOPTO huggingface dataset:
Patent GB-2259183-A (GB)
Title: Flat image-display apparatus
Inventor: IKEDA RIKIO
IPC: H01J3/02
Filed: 1992-03-04
Abstract: A flat display apparatus comprises a substrate 41, a plurality of electron sources 42 to 45 on the substrate 41, an electrode 47 facing the electron sources 42 to 45 via a vacuum space 46, and a light emitting means 65 on the side of the electrode 47 which is opposite to the substrate 41, the electrons being successively amplified by each electron source 42 to 45 and being incident upon the light emitting member 65. Primary cathode 53, of molybdenum or tungsten, is saw-tooth shaped at tip 53a and attracting electrodes 55a, 55b direct electrons therefrom to second electron source 43 comprising secondary emitter cathode 57, eg. of caesium oxide or magnesium oxide. Third electron source 44 provides further secondary emission amplification of the electrons from second source 43, and similarly the fourth electron 45 amplifies the electrons from source 44. The voltage difference between successive electron sources 42-45 may be 50-100 volts and a gate electrode 64 may be disposed between the sources and the anode 47. <IMAGE>
Patent GB-2271433-A (GB)
Title: Optical fibre fusion splicing with reciprocal movement
Inventor: MYERS DAVID LISTER
IPC: G02B6/38
Filed: 1992-10-08
Abstract: The tensile strength of an optical fibre fusion splice is increased and the attenuation of a splice reduced by reciprocation of one of the optical fibres to be spliced relative to the other during fusing, but after the fibres have been merged. <IMAGE>
Patent GB-2260660-A (GB)
Title: Cable feed-through and earthing unit
Inventor: KNUUTTILA JOUNI
IPC: H01R9/05
Filed: 1992-10-15
Abstract: A cable feed-through and earthing unit comprises: a conductive case (1) with opposite side walls (3) for locating or feeding through cables (7); and spring contacts (6) for earthing the cables. The spring contacts may be formed as helical springs parallel to the side walls. Stripped cables (7) extending between the sidewalls are contacted by virtue of tension in the springs (6). <IMAGE>
Patent GB-2260821-A (GB)
Title: LVDT for propeller pitch change system
Inventor: BAGGE WILLIAM J
IPC: B64C11/30
Filed: 1992-10-20
Abstract: A linear variable differential transformer assembly 60 for generating a feedback signal indicative of the pitch setting of blades 20 comprises a target armature 62 of magnetically permeable material mounted to the translating (and rotating) fluid delivery tube 50 and a stationary coil assembly 70 disposed coaxially about the fluid delivery tube 50 over the axial length thereof traversed by the magnetically permeable target 62. The stationary coil assembly 70 comprises a pair of identical secondary coil windings 72 and 76 disposed in axially spaced relationship and a primary coil winding 74 disposed centrally therebetween. The output signal 61 from the LVDT 62 is the difference in voltages induced in the two secondary coil windings 72 and 76. A second embodiment uses a pair of axially spaced target armatures and respective sets of coils (Fig. 3 not shown) to provide redundancy. <IMAGE>
Patent GB-2261299-A (GB)
Title: Optical interferometer
Inventor: DOWNS MICHAEL JOHN
IPC: G01N21/45
Filed: 1992-11-05
Abstract: An optical interferometer includes a beam splitter (131) having a partially reflecting metallic film (135, 137) adapted to induce phase difference between the transmitted and reflected component beams. It incorporates bidirectional fringe counter which includes a switching circuit to convert coupling within the fringe counter means from ac coupling to dc coupling when the counting rate falls below a predetermined threshold value.
Patent GB-2261922-A (GB)
Title: Friction clutch
Inventor: REIK WOLFGANG
IPC: F16D13/58
Filed: 1992-11-23
Abstract: A friction clutch 1, particularly for motor vehicles, with a pressure plate 3 which is rotationally secured but axially displaceable to a limited extent with a housing 2, there being between the housing 2 and pressure plate 3 an axially tensioned diaphragm spring 4 which on one side can pivot about a wire ring 12 supported by the housing and which on the other side biases the pressure plate in the direction of a clutch disc 8. The disc 8 can be clamped between this pressure plate 3 and the counter pressure plate 6. An adjustment device 16 compensating for the wear on the friction linings of the clutch disc is provided which causes a practically constant force biasing the pressure plate through the spring 4, said device including a ring-like member 17 having circumferentially extending ramps which move the ring 12 axially automatically in the event of wear. A plate spring biases an opposing pivot ring 11 towards the spring 4. The device 16, the plate spring and the pivots may have alternative constructions (Figs 12-32). <IMAGE>
Patent GB-2274163-A (GB)
Title: Gas analyser
Inventor: NEWBURY ROBERT C
IPC: G01N21/35
Filed: 1993-01-12
Abstract: A long open path optical gas analyser having broad a band light emitter and detector is provided. Light of selected wavelengths are produced from the light source, 1, by a wavelength selector (eg an acousto-optic cell which diffracts a polarised light beam), passed through an open space sample area, reflected back through the sample area and are directed to detector, 18, where signal processing means are provided to indicate the presence of a particular gas or gases and the concentration. The emitted light may be amplitude modulated. The phase difference between the emitted and detected light may be used to determine the emitter-reflector-detector path length. A visible laser may be used to align the apparatus. <IMAGE>
Patent GB-2266054-A (GB)
Title: A device for protracted release of active substances, perfumes and similar volatile substances
Inventor: HAUTMANN HORST
IPC: A61L9/12
Filed: 1993-02-02
Abstract: In order to provide a device for protracted delivery of volatile substances (such as perfumes and active substances) comprising a storage container (the delivery opening of which can be closed by means of a cap) and, instead of the cap, a holder (for a cellulose plate) which can be removably fixed on the delivery opening and also a wick (which is in contact with the plate and engages into the storage container), which device consists of only a small number of individual elements and the use of which is made easier, it is proposed that the holder (4) is formed on the side of the cap (3) facing away from the cap supports, the absorbent plate (5) is arranged on the side of the base of the cap equipped with the holder (4), and a wick (6) is held in the container (1), the end of which on the cap side projects out of the mouth of the container (1), and wherein the cap (3) in the closed position engages over the end of the wick and in the working position the end of the wick is held bearing against the absorbent plate (5). <IMAGE>
Patent GB-2275353-A (GB)
Title: Wrist watch
Inventor: TASOU ALECOS
IPC: G04G9/02
Filed: 1993-02-17
Abstract: A wrist watch (1) having a time display comprising two parallel linear scales (3a, 3b) with each scale indicating a different unit of time. The scales are multi-segment bargraph arrays with twelve segments in each. A first scale (3a) indicates hours and a second scale (3b) indicates minutes at five minute intervals. <IMAGE>
Patent GB-2281395-A (GB)
Title: Apparatus for use in manufacture and inspection
Inventor: NELSON ROGER JOSEPH
IPC: G01B5/00
Filed: 1993-08-18
Abstract: A modular system for use in manufacture and/or inspection of three-dimensional components such as pipework assemblies comprises, mounted a generally planar base (1), a plurality of first supports (10, 20). Each first support (10, 20) carries, via a second support (30,40) set on the first support, third support units which engage directly with part of the component being made or inspected. The third support units can include jigs or other fixtures for, e.g., positioning clips, end pieces or T-pieces. The connections between the support units may be adjusted to vary the position and orientation of the third support units to enable them to be located as desired. <IMAGE>
Patent GB-2276056-A (GB)
Title: Processing and displaying radar echo signals
Inventor: FUJIKAWA TAKUMI
IPC: G01S7/06
Filed: 1990-11-21
Abstract: Radar apparatus displays echo signals such that desired echo signals can be easily distinguished, with unwanted echo signals such as sea clutter eliminated, when any one of several display modes is selected. The apparatus comprises a buffer memory (3) for storing echo signals resulting from one search signal, a process memory (8), means (4) for correlating signals from the buffer memory with signals from the process memory, and supplying resultant clutter-reduced signals to the process memory, a frame memory (6) for storing the correlation output signals, and an indicator for displaying signals read out from the frame memory. Write addresses for the process memory are generated at (9) in dependance on antenna and own-craft bearings, whereas write addresses for the frame memory are generated at (5) in dependance on these bearings and the selected display mode. <IMAGE>
Patent GB-2279367-A (GB)
Title: Apparatus for gas diffusion coating
Inventor: PILLHOEFER HORST
IPC: C23C10/08
Filed: 1994-07-19
Abstract: The invention relates to apparatus for aluminum gas diffusion coating outer and inner surfaces of components, e.g. turbine blades where a gas mixture of halogenous gas, aluminum monohalide gas and negligible contents of aluminum trihalide gas is formed and the gas mixture is directed to flow over the outer and inner surfaces of a component to be coated. The apparatus comprises a retort chamber 3, multi zone furnace, gas inlet pipes 9, 10, aluminium sources 4, 11 and common outlet 12. <IMAGE>
Patent GB-944088-A (GB)
Abstract: 944,088. Loud-speaking telephones. TELEFONAKTIEBOLAGET L. M. ERICSSON. June 8, 1962 [June 8, 1961], No. 22389/62. Headings H4K and H4R. The description is identical with that of Specification 944,087, but the claims are directed to the feature that the two control amplifiers Tr1, Tr2 each have an output circuit including a symmetrically constructed rectifier circuit, wherein one symmetry point 5 in one rectifier circuit is connected to the corresponding symmetry point 5 of the other, a second symmetry point (centre tap of T3) of said one rectifier circuit of one control amplifier Tr1 is connected to the input of the other control amplifier Tr2, and a second symmetry point (centre tap of T4) of said other rectifier circuit is connected to the input of said one control amplifier Tr1, the arrangement being such that during operation and in the rest condition the D.C. passed by the two control amplifiers is substantially equal but when speech currents are fed to the input of one of the control amplifiers the current passed by said one control amplifier decreases and that passed by the other  increases.
Patent GB-2286931-A (GB)
Title: High power coaxial electrical connection
Inventor: PFENNING THOMAS M
IPC: H02G15/08
Filed: 1995-02-07
Abstract: An electrical connection is made between the central conductor of a coaxial cable 11 and a plasma injector 61 of a gun breech assembly 14, within a housing 34 that includes an access aperture 46 for the making of the connection. Plural cables 11 enter the housing via respective bores 36 in a split boss 37 and are held by screws 43; a clamp 47 holds a breech insert 58 to a split end of the housing so that plural injectors 61 engage within the central terminal 63 of the cable for screw connection via respective access apertures. Current from a high energy power supply fires the propellant 67 and projectile 66, the conductive housing 34 providing the return path to the outer conductors (18a, figure 3) of the cables 11. The housing is filled with apertured dielectric. <IMAGE>
Patent GB-2286847-A (GB)
Title: Apparatus and method for drilling boreholes
Inventor: DHINDSA JASBIR SINGH
IPC: E21B44/00
Filed: 1995-02-28
Abstract: A drilling system for drilling a borehole comprises a drill stem 12 having a drill bit at its one end for drilling the borehole. A draw works 30 containing a drum 32 having a line spooled thereon and coupled to the drill stem 12 controls the upward and downward motions of the drill stem. A draw works motor 38 is coupled to the draw works 30 for rotating the drum 32 in both the clockwise and counter clockwise directions. A rotary motor 90 is coupled to the drill stem 12 for providing rotational speed to the drill stem. A control circuit 60 controls the operation of the draw works and the rotary motor. The control circuit receives information from various sensors which includes information about the rate of penetration, weight on bit, hook load, and rotational speed of the drill bit. During operation, the control circuit 60 controls the rotation of the draw works 30 to control the upward and downward motions of the drill stem 12. <IMAGE>
Patent GB-2298775-A (GB)
Title: Grass cuttings collection
Inventor: BOZEAT MILES ROLAND WILLIAM
IPC: A01D43/077
Filed: 1995-04-20
Abstract: A lawnmower has a bifurcated radial fan 1 providing an air cushion flow 21 (for this embodiment) and a flow 2 for collection of grass cuttings. The collection flow takes entrained cuttings up a duct 7 and into a collection chamber 12 where the cuttings are separated from the air flow by centrifugal forces as the air circulates in the chamber. The air is recirculated via return duct 13. Fig shows a wheel embodiment having no air cushion flow.
Patent GB-2290744-A (GB)
Title: Method of forming a moulding end
Inventor: ERAYBAR ALEX
IPC: B60R13/04
Filed: 1995-06-08
Abstract: An elongated moulding (10) has an extruded length having a hollow interior defined by a base (16) and a cover (18) with at least one rib (22, figure 2) unitary with the base and extending toward the cover in supporting relationship therewith. To form an end of the moulding the base is first removed from the end portion (14) which is then placed in a mould (42) and its end is then formed by injecting the thermoplastic material therein. During injection the cover part of the end portion (14) is forced against the interior surface of the mould. Instead of injecting thermoplastics material a core (48, figure 10) can be inserted into a prepared end portion which is then placed in a mold, heated and formed. <IMAGE>
Patent GB-2302306-A (GB)
Title: Book housing items for use therewith
Inventor: VAN KEMPEN HUGO ADRIAAN
IPC: A63F9/00
Filed: 1995-06-21
Abstract: A book for playing games, doing crosswords or walking, includes playing pieces, pen, pencil or compass received within an apertured foamed sheet or block. Alternatively the playing pieces may be of foam. The book cover may be apertured to receive tans 16 (Fig 1) made of foam or a ship-shaped foamed insert (22,Fig 7) apertured to receive playing discs (26). The book may have attached to the inside of the cover a foam sheet apertured to receive a pen (44,Fig 17), or apertured to receive playing pieces (32,Fig 10) of a board game integral with the book. The book may include a foam block (28,Fig 14) apertured to receive a compass (34) and pencil (36). The book may include a container for slidably receiving a foam block 70 (Fig 25), adhered to a backing card, apertured to receive playing pieces 78. Alternatively, the book cover may include foamed blocks apertured or slotted to receive objects (58, Fig 20).
Patent GB-2292766-A (GB)
Title: Door support and marker
Inventor: THOMPSON GEORGE
IPC: E04F21/00
Filed: 1995-08-25
Abstract: Door support means for supporting a door with a settable height gap between its bottom edge and the floor comprise a base plate 10 having mounted thereon means 21, 22 for holding upright a door placed thereon and mechanical advantage means 15 - 19, 23 for raising the height of the door. The plate may also have strut means mounted thereon for supporting the door; the strut means may either further support the door when the door is resting on the door support means, or may support the door support means against the floor when the door support means are attached to a side of the door. A device for marking the side of the a door to enable it to be cut to fit the frame comprises a U-shaped member 41 which fits around the edge of the door, having a flange 42 at one end for bearing against a door frame and marker means 47 at the other end which bear against the door, to mark the door as the device is slid along the edge of the door. A hinge position marker is also provided and comprises a thin plate with ribs along both sides of a pair of opposite edges such that by inserting the plate between a door and the jamb from which it is to be hung, the ribs marking suitable positions for the hinge plates on the door and jamb. <IMAGE>
Patent GB-2304905-A (GB)
Title: Spring tester
Inventor: SMITH JOHN ANTONY
IPC: G01N3/00
Filed: 1995-09-08
Abstract: A spring tester has a hydraulic ram 2 which urges a bearer plate 4 towards a load cell 12 to achieve a predetermined fixed distance D. A replaceable spacer 8 allows adjustment of the distance D to a distance d. A spring 6 to be tested is compressed to the length d and the load indicated by the load cell 12. Under test, the spring is laid in a cylindrical channel in a carriage 10 to simulate the operation of the spring in an aircraft braking system.
Patent GB-2307398-A (GB)
Title: Windscreen wiper system
Inventor: RYAN MARTIN
IPC: B60S1/08
Filed: 1995-11-23
Abstract: In an intermittent windscreen wiper system the wiper blade 4 remains in the displaced position 8 for a pre-set time period so that the windscreen is regularly cleaned by a single wipe.
Patent GB-2296658-A (GB)
Title: Fire curtain system
Inventor: LEAVER DENNIS ALFRED
IPC: A62C2/10
Filed: 1996-01-03
Abstract: The system has a curtain 1 which is lowered to seal off an opening 2 from a fire. The curtain is attached to fixed support 3 and is initially wrapped around a movable roller 4 in its retracted position. In use the roller is moved downwards from the fixed support to unroll the curtain and seal off the opening. The roller is preferably equipped with a motorised drive at both ends. The curtain may be fabricated from glass or ceramic fibres coated with a silicone elastomer. The system may be used in e.g. aircraft hangars or ships. <IMAGE>
Patent GB-2309913-A (GB)
Title: Biodigestible cold-pressed skeet target
Inventor: LYNN ARTHUR EVERETT
IPC: F41J1/01
Filed: 1996-05-14
Abstract: A biodigestible frangible skeet target is comprised of finely ground food grains or seeds in a molasses binder cold pressed to form the hardened skeet target. The molasses may comprise 1-5% of the mixture and the grain up to 25%.
Patent GB-2313216-A (GB)
Title: Interaction between real-time and stored multimedia information
Inventor: RICHARDSON JULIAN HOWARD
IPC: H04H60/48
Filed: 1996-05-17
Abstract: A system providing for interaction between real-time and stored multimedia information system uses a processor in conjunction with a data buffer to compare user selected topic preferences with received real-time multimedia information such as television and radio signals. A query is formed by the processor on the basis of the comparision and is used to search the non real-time, electronically stored, multimedia information so that related information may be provided to the user.
Patent GB-2302387-A (GB)
Title: Tensioning Device For a Flexible Drive Member
Inventor: SCHMIDTKE GREGG S
IPC: F16H19/02
Filed: 1996-06-06
Abstract: A tensioning device 50 for a reciprocating flexible drive system, such as a wire rope 225, provides a mechanism which effectively tensions the slack side of the wire rope while directly coupling the driven side of the wire rope to a load to be moved, eg a carrier 212 for optical disk cartridges. The tensioning device 50 slides within a housing 20 to a first position where force from the driven side is applied directly to the load while the slack side is tensioned with a spring. When the wire rope is reversed, the tensioning device slides to a second position within the housing where force from the driven side is once again directly applied to the load.
Patent GB-2316421-A (GB)
Title: Anchoring radial rafters to conservatory ridge
Inventor: TRENAMAN FREDERICK
IPC: E04D3/08
Filed: 1996-08-16
Abstract: An anchoring device (21) has a horizontal ridge beam (24) and two inclined rafters (23) secured to it. The anchoring device (21) has an upstanding side wall which includes seven quadrilateral plate-like portions (4), the external faces of which are adjacent and planar and are distributed around an arc of a circle, each of them sloping inwardly and downwardly. One or two holes in each of the seven portions (4), or only three of them, receive screws which fix to the anchoring device (21) the upper ends of seven, or three, inclined rafters (22).
Patent GB-2304749-A (GB)
Title: Tensioned structural supporting truss
Inventor: BURFORD NEIL KEITH
IPC: E04H15/64
Filed: 1996-08-23
Abstract: A structural supporting truss comprises an elongate rib (14) of resilient material connected to a web (16) of fabric material. The rib (14), in use, is elastically deformed to adopt a curved shape. The web (16) extends radially inwardly of the rib (14) along its length, the web acting in tension to retain the rib in its curved condition. The rib (14) may be made of a plurality of segments interconnected by hinges. The web (16) may comprise a plurality of panels (20). The rib (14) is subject to a compressive force. A remarkably stiff truss structure is formed such as may be used as a supporting truss for a tent or like shelter structure.
Patent GB-2317383-A (GB)
Title: Composting apparatus: valve assembly
Inventor: WINSHIP NEIL
IPC: C05F17/02
Filed: 1996-09-18
Abstract: Composting apparatus comprises a plurality of containers (D) for receiving and processing organic waste. Each container receives air through a supply manifold (M s ) and vents gases into an exhaust manifold (M e ). The apparatus includes a variable speed blower (A) for blowing air into the supply manifold, and means for measuring pressure differences between the manifolds and means (C) for adjusting the blower speed in response to the detected pressure difference. A valve assembly V which may be incorporated in the apparatus comprises upper duct 26, lower duct 28, an air supply duct 30 and an exhaust duct 32. In a downward, aeration, position duct 30 is in communication with duct 26 and duct 32 is in communication with duct 28; in an upward, ventilation, position duct 30 is in communication with duct 28 and duct 32 is in communication with duct 26; and in an off position gas flow is prevented.
Patent GB-2317870-A (GB)
Title: Container with openable closure between two compartments
Inventor: STEIN NAOMI SCHEFRIN
IPC: B65D81/32
Filed: 1996-10-04
Abstract: A container comprises a first compartment 1 and a second compartment 8 for containing respective substances 24,25. The second compartment 8 contains a plunger mechanism 15 for opening a sealed opening 13 in the base 10 of the compartment 8 to enable the substances 24,25 to be mixed together. In one application, the compartment 1 may container medical waste 26 and the substances 24,25 may be components of a hardenable foam material which react together when mixed to encapsulate the medical waste 26 for safe disposal thereof. Compartment 8 is located in an opening 4 of the container which also has an opening 5. Closure member 14 of the opening 13 may be a pierceable seal as shown, or a stopper.
Patent GB-2318869-A (GB)
Title: Device for analysing blood gases
Inventor: GARRETT MICHAEL ERNEST
IPC: G01N33/49
Filed: 1996-10-30
Abstract: A device to be placed in the body of a patient for use in blood gas analysis comprises at least one hollow tubular fibre (3) of membrane material having a tube plate (6 and 8) at each end. Preferably, a plurality of hollow tubular fibres (3) are provided which are spun together to define a gas separation cell (4).