baber/WOPTO huggingface dataset:
Patent GB-2157077-A (GB)
Title: Heat sinks for minimizing noise in precision electronic components
Inventor: BURT RODNEY THOMAS
IPC: H01L23/36
Filed: 1984-09-20
Abstract: A hermetic package (12) mounted on a substrate 30 (eg a printed circuit board) is provided with a heat sink 54 which has a skirt 64 depending from its lower end to enclose the space between the base of the package and the surface of the substrate and form a substantially isothermal enclosure to maintain the temperature of the leads of the package substantially constant. The depending skirt also blocks, or absorbs, radiation from the ambient environment of the package which prevents such radiation from being transmitted through the glass lead-seals of the package to minimize the production of photoelectric induced error voltages induced in photosensitive circuits of the component. The package contains a precision analog component such as an operational amplifier and a spacer 28 separates the base of the package from the substrate. The heat sink is provided with longitudinally extending fins and has a slit to enable it to be fitted onto the hermetic package. <IMAGE>
Patent GB-2151358-A (GB)
Title: Multiplexed control of ultrasonic transducers
Inventor: MCDERMOTT DAVID
IPC: G01S15/89
Filed: 1984-11-19
Abstract: A plurality of ultrasonic transducers 0 to 11 are connected to a pulsing or firing unit 29 and to a multiplexer 30. A selected transducer can be fired and an echo signal received on that or another of the transducers and is transmitted on a common echo line 26 from the multiplexer. The sequential operation of the pulser unit and the multiplexer are controlled by unit 28; and address code signals for the pulser and multiplexer and control code signals for unit 28 and the echo line 26 are passed on a common cable 23. The transducers may be in an inspection head, e.g. disposed around a circumferential weld in a primary vessel of a fast breeder reactor, and operatively connected to a remote location. <IMAGE>
Patent GB-2150500-A (GB)
Title: Manually-searchable index
Inventor: PEREZ ONDIVIELA JOSE LUIS
IPC: B42F21/04
Filed: 1984-11-20
Abstract: A book is provided with a manually-searchable index in the form of a series of flaps extending or protruding from the edge of the book. The flaps are arranged as a set of special or register flaps each having its own set of normal flaps which are sequentially identified. The register flaps are affixed to the relevant pages using an alignment guide in the form of a strip which can be mounted on any page to enable precise alignment of a flap relative to any other flap and to the top of the page by means of a scale provided on the strip. The normal flaps are then affixed to the pages which follow their registry flap using the same alignment guide, but with the normal flaps disposed in descending order referred to the front of the book, but in ascending order relative to their registry flap and to the top of the page. The result is that on lifting a registry flap, its normal flaps form a series which extends in a direction away from the next and following registry flaps so as not to conceal or obscure the latter. By this means a book can readily be indexed to a much greater depth than was previously possible, rendering searching through it very much easier and faster. <IMAGE>
Patent GB-2167335-A (GB)
Title: Support platforms
Inventor: HARRIS GODFREY ROBERT
IPC: E04G3/26
Filed: 1984-11-20
Abstract: A support platform or duck board (1) for extending between two building surfaces, such as roof, which are inclined relative to one another comprises a plurality of substantially rectangular cross- section support members (2) connected together by means of connection members (3) extending perpendicularly thereof. Each support member (2) is formed by extrusion moulding to have a plurality of ribs (17) extending longitudinally of one surface thereof, selected sections (17a) of which ribs (17) are at least partially destroyed, removed or deformed so as to roughen the surface. <IMAGE>
Patent GB-2155259-A (GB)
Title: Variable speed a.c. generator system
Inventor: GERMAN JAMES COLIN
IPC: H02J7/32
Filed: 1984-12-17
Abstract: The generator 3 is connected to a load 4, such as a resistive heater or particularly a rechargeable battery, via a rectifier 5 and a transformer 2, the transformation ratio of which is controlled in dependence on the generator speed. The generator may be wave powered or particularly wind powered. At modest wind speeds the generator 3 is connected directly to the rectifier 5 by means of a control circuit responsive to the generator frequency. When the frequency reaches that corresponding to the speed at which the generator current attains its rated value, the transformer 2 is switched into circuit, further speed increases causing top charging on the transformer to increase its voltage step down ratio. Top charging may be effected by relays RL1 to RL5 or thyristors (Figure 7). The transformer may also be provided with voltage step up ratios in order to obtain a small battery charging current at low wind speeds. A shunt regulator may be provided to prevent overcharging. <IMAGE>
Patent GB-2154312-A (GB)
Title: Radiant energy burner
Inventor: GRANBERG DIRK NEIL
IPC: F23D14/16
Filed: 1985-01-28
Abstract: A radiant energy burner having a combustion element 1 composed of a generally cylindrical foraminous metal support or screen 4, and a woven fabric sleeve 6 formed of continuous ceramic fibers is disposed on the outer surface of the support. The end portions of the fabric are connected by assemblies 7 to the support while the portion of the fabric located between the connected end portions is free of attachment to the support. A blower is used to supply a gaseous fuel mixture through the support and fabric and an igniter is located on the outer surface of the fabric to ignite the fuel mixture on the outer surface of the fabric. <IMAGE>
Patent GB-2156010-A (GB)
Title: Roller bearing structure
Inventor: FIAK LASZLO
IPC: F16C29/04
Filed: 1985-02-22
Abstract: A recirculating roller bearing structure for the high-accuracy rectilinear guidance of constructional units moving on each other comprises a main body (1) with component parts forming straight-line sections of an endless closed roller guiding raceway, raceway sections for reversing the motion of the rollers and a train of load-bearing rolling elements with recirculatory motion. Side-guide clamping grooves and retaining insert clamping grooves are formed in the main body (1) for engaging said main body (1) with side-guides (2) to ensure linear guidance of the rolling elements (5). Retaining inserts (3), which prevent the rolling elements (5) from dropping out of the roller shoe structure are connected to the main body (1), without using any binding or coupling element. <IMAGE>
Patent GB-2158611-A (GB)
Title: Servo error reduction apparatus for disc record playback system
Inventor: MICHAELIS THEODORE DONALD
IPC: G11B21/10
Filed: 1985-03-04
Abstract: The system, when for an optical disc (10), includes a first servo loop (42, 44, 46, 60, 52, 32) to maintain, in the presence of eccentricity in a rotating disc, a light beam on a selected data track on a surface (20) of the disc (10), and a second servo loop (40, 48, 50, 60, 54, 31) to maintain an objective lens (33) at the proper distance from the disc surface. Both servo loops share a common error reduction circuit (60). The error reduction circuit includes a tracking memory and a focus memory which store at locations thereof the expected (historical) error words whose values represent earlier-measured tracking and focus position errors, respectively, for a large number of locations around the disc. The values expressed in stored error words are combined using an arithmetic logic unit with currently-measured error values into words representing computed error values. The computed error values are used in the respective servo loops to reduce the measured errors. The memories are updated by storing in their locations the computed words containing values of tracking and focus corrections for respective locations around the disc during every disc revolution. <IMAGE>
Patent GB-2173620-A (GB)
Title: Automatic distance-off alarms for reversing vehicles
Inventor: WANG FRANKIE
IPC: G01S15/931
Filed: 1985-04-11
Abstract: In an ultrasonic ranging device the emitted signal comprises a group of sequential sounds of different frequency which group is repeated at periodic intervals interspersed with intervals of silence, characterised in that the sequential sounds of each group are separated by intervals of silence shorter than the intervals of silence between the groups. <IMAGE>
Patent GB-2159891-A (GB)
Title: Damping oscillations in vacuum systems
Inventor: NEULAND RUDI
IPC: F04B37/14
Filed: 1985-05-01
Abstract: An apparatus for damping oscillations in a vacuum system e.g. an electron irradiation device, includes a mechanical vacuum generator (1) and a first compensation member (5) disposed between the vacuum generator (1) and a vessel (7) which is connected at (7') to a vacuum processing cell. A second compensation member (8), which has substantially the same static and dynamic properties as the first compensation member (5), is rigidly mechanically coupled, coaxially in relation to the first compensation member, to the vacuum generator (1) (Fig. 3) or to the vessel (7) (as shown). The second compensation member (8) is directly vacuum connected to the vessel (7) (as shown) or, via coupling hoses 20, to a pre-vacuum generator (4) (Figs. 2, 3). Compensation members (5) (8) may be corrugated tubes, and spacers (12) rigidly connect the furthest apart flanges of members (5) (8) so that forces acting on these members due to atmospheric pressure neutralise each other. <IMAGE>
Patent GB-2158648-A (GB)
Title: Electromagnetic devices
Inventor: LICHTAROWICZ ANDRZEJ
IPC: H01F7/14
Filed: 1985-05-10
Abstract: An electromagnetic device includes members 31, 34 relatively movable along one direction under the force of a magnetic field from windings 33, 36. The members are separable and assembled by relative movement other than along said one direction. As shown, member 34 rotates relative to member 31 and the members are assembled by inserting member 34 into member 31. Alternatively, linear displacement of an armature may be provided and the stator may be arranged in two parts for ease of assembly. The device may be used in an electro-fluid control valve (Figure 8). <IMAGE>
Patent GB-2183040-A (GB)
Title: Transducer
Inventor: WILSON DAVID
IPC: G01P15/18
Filed: 1985-11-19
Abstract: A shock resistant accelerometer transducer comprises a two-part construction formed by selective etching from single crystal silicon. One part (12) comprises a transducer element having a movable seismic mass (122) and the other part comprises a support having a recess or groove (112) in which the mass is located, there being a small clearance between the recess and the mass. This limits the displacement of mass under high shock conditions. Being supported by resilient portions (123, 124 and 125) the seismic mass has three degrees of freedom. Signals are provided by strain gauges (126). <IMAGE>
Patent GB-2187960-A (GB)
Title: Ear piercing
Inventor: MANDER BRIAN
IPC: A44C7/00
Filed: 1986-02-14
Abstract: An ear piercing apparatus comprises a stud 10 releasably held in a stud holder 5, a clasp 15 releasably held in a clasp holder 6, a rail 7 for maintaining the stud holder and clasp holder in axial alignment and in spaced apart relationship to receive in use an ear therebetween, a gun for urging the stud along the alignment axis from the stud holder to pierce the ear and to engage the clasp and a channel (e.g. as part of the stud holder) for axially guiding the driven stud wherein the stud holder, clasp holder, the rail and the channel together comprise a disposable cartridge. The gun may be self cocking for one handed use and the cartridge can be fitted in a single operation so that ear piercing can be carried out rapidly with minimal risk of infection. In use the ear is gripped by relative movement of the clasp holder and the stud holder so that a taut area of skin is presented to the stud in order to facilitate penetration and minimise tissue damage. <IMAGE>
Patent GB-2175571-A (GB)
Title: Packaging tubes for electrical components
Inventor: CHAN FRANCIS S
IPC: H05K13/00
Filed: 1986-05-09
Abstract: At least a portion 2b, 4b of a tubular package of plastics material for containing electrical circuit components 18 is transparent or translucent and carries at least one protrusion 16 of conductive material for preventing the component 18 from contacting the transparent or translucent material. <IMAGE>
Patent GB-2196616-A (GB)
Title: Apparatus for stacking conical objects
Inventor: SMITH ALAN
IPC: B65G57/18
Filed: 1986-05-23
Abstract: Apparatus for stacking conical objects (2a, 2b, 2c, 2d, 2e) includes right hand and left hand side walls (3) and (4) which are joined by divergent walls (7) to define a tapering horizontal cross-section column (l) in which the spacing between the opposite walls (3) and (4) is shorter than the length of any one of the conical objects (2a-2e). The conical objects can be placed manually in the top of the column (l) but only in a given orientation (thanks to the tapering horizontal cross-section of the column (l) and only when hooked on a retaining finger (5) projecting into the column through the side wall (4). The conical object (2e) at the top of the stack thus settles into an inclined orientation which it retains when the retaining means (5) is released to drop the cone (2e) down the column, thanks to an inertia brake (8) to retard the wider diameter end of the falling cone and preventing the cone from becoming vertical. Retaining means (l0) at the foot of the column releases only the bottom cone (2a) and allows any cones above it to become indexed downwardly into the bottom-most position.
Patent GB-2176222-A (GB)
Title: Joist hanger
Inventor: HOYLAND MICHAEL DOUGLAS
IPC: E04B1/26
Filed: 1986-06-06
Abstract: A weldless joist hanger comprises a pair of suspension elements (11, 12) each of which has a top horizontal bearing portion (13) with a stiffening rib (14), a side portion (15) extending forwardly and downwardly in an upright plane at right angles to the bearing portion and an intermediate wing portion (16) extending laterally in a third plane at right angles to the bearing and side portions. The two suspension elements are secured by permanent mechanical interconnection such as slot and tongue connections (24, 25) to a joist support platform in the form of a shoe member (17). The rear of the shoe (17) projects behind the side portions of the suspension elements to terminate in reaction flanges (18, 19) abutting the forward face of the wall. Both vertical and horizontal forces are transmitted to the wall over a large surface area to reduce the possibility of damage to soft blockwork. <IMAGE>
Patent GB-2180547-A (GB)
Title: Curable organosiloxanes
Inventor: TREADGOLD RICHARD CHARLES
IPC: C09D183/04
Filed: 1986-07-24
Abstract: UV curable compositions comprising mercaptosiloxanes and unsaturated siloxanes include as photoinitiator benzophenone and a second initiator capable of producing initiator radicals by intramolecular photocleavage. Compositions are disclosed comprising vinylsiloxanes or cyclohexenylethylsiloxanes with mercaptosiloxanes. Disclosed as second initiators are 2-hydroxy-2-methyl-1-phenyl-propan-1-one, 1- hydroxycyclohexylphenyl ketone and benzildimethylketal. The second initiator is employed to enhance the speed of cure of the compositions and is employed in selected quantities.
Patent GB-2179186-A (GB)
Title: Activity monitoring apparatus
Inventor: BRYSON PATRICK JOSEPH
IPC: G08B21/04
Filed: 1986-07-29
Abstract: The apparatus is particularly for use of old persons, for monitoring movement of a person within a predetermined area, such as their home. The apparatus includes a device for detecting movement of the person and timing means whereby if movement is not detected within a predetermined period of time, then an alarm operates automatically. The predetermined period of time may be variable with time and may, for example, be longer at night than during the day. A short period before the alarm is operated, an initial warning may be given so that a person may operate a reset device to prevent the alarm being operated. An automatic telephone dialler may be provided. The movement detector may be an infra red detector, a pressure mat, an ultrasonic detector or a door switch. A panic button may also be provided. Fire detectors may also be connected in the apparatus. <IMAGE>
Patent GB-2183693-A (GB)
Title: Improvements in or relating to rotary drill bits
Inventor: FULLER JOHN
IPC: E21B10/60
Filed: 1986-11-12
Abstract: A rotary drill bit comprises a bit body having a leading face 11 and a gauge region,a plurality of blades 13 extending across the leading face of the bit body, a plurality of cutting elements 8 mounted along each blade, an exit channel 18 in the gauge region of the bit body between each pair of adjacent blades, a plurality of nozzles 19a, 19b, 19c, 19d in the leading face of the bit, each nozzle having a central axis which also forms the central axis of the jet of drilling fluid emerging from the nozzle, and a passage in the bit body for supplying drilling fluid to said openings. At least one nozzle is located between each pair of adjacent blades, and the nozzles are inclined at different angles, or are otherwise differently located, so that, in use, the central axes of nozzles between different pairs of adjacent blades intersect the surface of the formation being drilled at different distances from the axis of rotation of the bit, so that the jets of drilling fluid emerging from the nozzles, between them, sweep over the whole of the surface of the formation as the bit rotates. <IMAGE>
Patent GB-2185368-A (GB)
Title: A method of decoding data transmitted along a data channel, and an apparatus for executing the method
Inventor: MAUGE JACQUES
IPC: H04L7/04
Filed: 1986-12-10
Abstract: Method of decoding data making it possible on the one hand to correct certain errors, e.g. in synchronization and transmission, and, on the other, to require only one compact and universal processing unit, where a device for implementing the method consists of a radio receiver (21), a microprocessor (22) for its control and a universal decoder (11) consisting on the one hand of a demodulation (13) and clock regeneration (12) component, the imput of which is connected to the multiplex output of the radio receiver (21) and, on the other, of a broadcast data processing microprocessor (14), the output of which is connected to said microprocessor (22) for controlling the radio receiver.
Patent GB-2198837-A (GB)
Title: Simulated solid fuel gas fire
Inventor: IZZARD DAVID JAMES
IPC: F24C3/00
Filed: 1986-12-10
Abstract: A simulated solid fuel gas tire 10 has a refractory layer 12 above which the simulated solid fuel 16 is located when the fire is in use, and gas fuel supply means 18 comprising in the region of one or more edges 20 of said layer 12 orifice means 22 arranged to allow the egress of substantially airless gas fuel to provide luminous flames. <IMAGE>
Patent GB-2199727-A (GB)
Title: Holder for cigarette packet and lighter
Inventor: MCDERMOTT DENNIS
IPC: A24F15/18
Filed: 1987-01-13
Abstract: A cigarette or cigar packet holder is provided which comprises a base, walls attached to the base, and a partition within the walls, the arrangement being such that two compartments are formed within the walls one of which is of a size to receive slidably a packet of cigarettes or cigars and the other is of a size suitable for slidably receiving a lighter. The compartments may include spring members adapted to engage the packet and lighter with sufficient friction to prevent their falling out inadvertently. The holder, packet and lighter may all be designed to fit together as a compact unit in which the packet and lighter snugly fit into the holder without separating inadvertently but permitting easy withdrawal and replacement of the packet and lighter as required. <IMAGE>
Patent GB-2189734-A (GB)
Title: Stapling head
Inventor: JELLINGHAUS DIETER
IPC: B25C5/16
Filed: 1987-04-24
Abstract: A stapling head 30 for the stapling-together of flat-lying piles of paper by means of a U-shaped staple 1, with a magazine 6,8 for holding bars of parallely disposed and separably connected staples 1, a drive 38, driving a single staple 1, after it has been separated from a bar of staples 1, through the pile of papers to be stapled, is characterized in that a reciprocating parting device 31 is provided for separating a staple 1 from the bar of staples and transporting it towards a stapling channel 34, said parting device 31 acting from inside (ie from the legs side) on the yoke 14 of the U-shaped staple. This dispenses with the need for a staple pusher, and the stapler can be refilled with bars of staples without an interruption in work. Rams 40, working in advance of the driver 38, swing the legs of the staple 1 to align the staple vertically in the channel 34. The parting device has a stop face which strikes the yoke 14 and a support face for transporting the separated staple. <IMAGE>
Patent GB-2207480-A (GB)
Title: Beam scaffold structure
Inventor: LOVERING DENNIS WILLIAM
IPC: E04G7/02
Filed: 1987-07-27
Abstract: A two dimensional or three dimensional lattice beam scaffold structure comprises a plurality of interconnected vertical and horizontal apertured soldiers and connectors. Each connector (10) comprises two connector elements (12, 14) securable together and about a soldier; the connector being located on and retained relative to the soldier by means of a cylindrical spigot (40) on each connector element engaged within a cooperating aperture (18) of a pair of aligned apertures in a vertical soldier. The assembled connector, when located about a vertical soldier, provides four planar mounting plates (22, 24, 26, 28) to which may be bolted the end plates of up to four horizontal soldiers of the structure. The invention provides means for building up a two dimensional or three dimensional beam scaffold structure wherein the connectors are locatable on the soldiers at any desired position at which an aperture (18) is provided.
Patent GB-2208955-A (GB)
Title: Prepayment systems for supply of a commodity
Inventor: JONES ALAN JOHN
IPC: G07F7/02
Filed: 1987-08-19
Abstract: A prepayment system of the kind wherein on presentation to a consumer's metering equipment of a token (13), e.g. a card of key, which the consumer has previously purchased, the consumer is allowed to consume a quantity of a commodity e.g. electricity, gas or water, determined by encoded credit data on the token, in which the token is arranged to receive data from the metering equipment, as well as carry data for reading by the metering equipment. The data received by the token may then subsequently be read by equipment at a point of purchase of further credit thus providing the supply authority with information about the use of the commodity by the use consumer, e.g. use in excess of credit purchase. <IMAGE>
Patent GB-2210297-A (GB)
Title: Centrifuge-pump
Inventor: DUGGAN MERVYN JOSEPH
IPC: B04B5/12
Filed: 1987-09-26
Abstract: A centrifuge-pump, comprising a chamber 1 in which a spindle 2 (on which are attached fins 3 and propeller blades 4) rotates, draws in a solution at inlet 5, separates liquid from precipitate by centrifugal force (generated by rotating the fins), and expels precipitate at outlet 6, and liquid at outlet 7 (by means of the propeller blades 4). <IMAGE>
Patent GB-2196678-A (GB)
Title: Window system
Inventor: MESNEL GERARD
IPC: B60J10/79
Filed: 1987-10-01
Abstract: A motor car door (1) consisting of two stamped-out metal panels (2, 3) welded to each other and forming a rabbet (6) around the periphery of the window opening and which guides the U-shaped edge of two spaced-apart non-parallel panes (7, 8), defined by a continuous spacer (9). Rabbet 6 is reinforced by a metal member 10 covered by low friction- coefficient material. The space between the panes decreases from top to the bottom to reduce wear on the waist seal 18 (see Fig. 6) which is only engaged as the window is closed. <IMAGE>