baber/WOPTO huggingface dataset:
Patent GB-2258357-A (GB)
Title: A controllable semiconductor switching device having intergrated current limitation and overheating disconnection
Inventor: BLESSING ALF
IPC: H03K17/0812
Filed: 1992-06-29
Abstract: In a controllable semiconductor switching device having integrated current limitation and overheating disconnection and comprising a switching section formed by parallel-acting main switching cells 1, (1.1, Fig 1) auxiliary switching cells 3, carrying part of the total load current so as to achieve overload protection, a further semiconductor switch 2 connected to control the main switching cells 1 and an element 12 for measuring the chip temperature and for turning on the further switch when increased temperature is sensed, the element 12 is disposed in the vicinity of or enclosed by switching cells 3 (3.1, Fig 1) adjacent the periphery of the chip area covered by the main switching cells 1. The auxiliary switching cells 3 are controlled due to resistor 8 differently from the main cells so that their current loading increases at a greater rate at a predetermined overload limit than the current loading increase of the main cells. This ensures that as overload is reached the auxiliary cells heat up more rapidly than the main cells so that the element 12 senses overheating and provides control of the auxiliary cells and main cells to turn them off. A control circuit 11 (11') receives both a current sensing input 13 and a temperature sensing input 12. Bipolar transistors may be used in place of the FETs. <IMAGE>
Patent GB-2269686-A (GB)
Title: Time piece display.
Inventor: KWAN SIU FAN
IPC: G04G17/06
Filed: 1992-07-09
Abstract: A time piece is disclosed which includes a liquid crystal display 2, 3, 4 and an array of light emitting diodes 7, 8, 9 which is disposed behind the display in the viewing direction. Preferably the liquid crystal display is negatively biased so that the light emitting diodes when actuated radiate light through the display to give the impression that the display 3 is itself formed from light emitting diodes. The liquid crystal display is arranged to be permanently actuated to provide a constant display of time and the light emitting diodes have a separate power supply, so that use thereof does not unnecessarily exhaust the power supply for the time display. <IMAGE>
Patent GB-2259967-A (GB)
Title: Oldham ring
Inventor: TANAKA TADASHI
IPC: F16D3/04
Filed: 1992-09-17
Abstract: An Oldham ring (1) for a scroll-type compressor having a swivel scroll (2) made of aluminium alloy is made of cast aluminium alloy and has a pair of projections (a) that engage a pair of guide grooves (2b) formed in an undersurface of the swivel scroll (2) adjacent to a crankshaft (6). The sliding surfaces of the projections that contact inner surfaces of the guide grooves are each covered with a metal sheet (3) made of a metal other than aluminium or aluminium alloy such as steel. The metal sheet (3) is united with the Oldham ring (1) by insert casting. <IMAGE>
Patent GB-2271377-A (GB)
Title: A safety belt buckle
Inventor: DAHLEN MAGNUS
IPC: A44B11/25
Filed: 1992-10-09
Abstract: A safety belt buckle for receiving and retaining a tongue 15 comprises a housing 1, a main locking element 11 movable between a release position in which it does not engage the tongue 15 and a locking position in which it engages the tongue 15. A second locking element 21 is provided which engages the main locking element 11 when in the locking position and prevents movement of the main locking element 11 to the release position. The buckle also has a push button 29 adapted to move the second locking element 21, the push button 29 and that part of the second locking element 21 which engages the main locking element 11 moving in opposite directions (considered axially of the buckle) when the main locking element 11 is to be released. The second locking element 21 is engaged by and limits movement of the push button 29 when the buckle is subjected to a g force acting in a first direction and the push button 29 engages and prevents movement of the second locking element 21 when the buckle is subjected to a g force acting in a opposite direction. <IMAGE>
Patent GB-2262221-A (GB)
Title: Cosmetic applicator
Inventor: MICHEL RICHARD
IPC: A45D40/28
Filed: 1992-12-07
Abstract: The applicator has a head (1) having a foam cover (3) mounted on a flexible support (4). The head (1) is attached to the handle (2) by means of snap-fit (8, 13) assembly. The flexible support (4) has a collar (6) and an annular channel (12) into which the end of the foam cover (3) extends and is trapped inside the handle (2) by the collar (6), thus preventing unintentional removal of the foam cover (3). Such a fixing means serves to avoid the use of adhesive. <IMAGE>
Patent GB-2264196-A (GB)
Title: Keypad buttons
Inventor: DESBARATS GUY EDOUARD
IPC: H01H13/84
Filed: 1993-02-12
Abstract: A button for use on a keypad, for example, on a calculator or a telephone, has an upper surface which is contoured to have a concave profile viewed from one direction X and a convex profile viewed from an orthogonal direction Y. The concave and convex curvatures vary across the upper surface of the button with the lowest radius of curvature c2, d2 being at the centre of the button. The button has improved ergonomic characteristics, particularly for use in a keypad matrix. <IMAGE>
Patent GB-2275862-A (GB)
Title: "Holder for hairdressing tools"
Inventor: COULTHARD MARK
IPC: A45D1/00
Filed: 1993-03-11
Abstract: A holder for hairdressing tools has heads capable of safely holding or storing heat assisted hairdressing tools or similar appliances. The heads are attached to the body and base which have been adapted to offer either a permanent or mobile facility to the invention. By way of a suction pad or pads, adhesives or screw/bolt fixtures, the holder can be fixed to either a horizontal or vertical surface. <IMAGE>
Patent GB-2266631-A (GB)
Title: Three-state ECL balanced transmission line driver.
Inventor: LIRON JOHN EDWARD
IPC: H03K17/62
Filed: 1993-04-19
Abstract: A circuit for driving a transmission line 32, 34 comprises NPN, input transistors Q1, Q2 and PNP output transistors Q4, Q5. An output enable circuit Q3, R1, R2 selectively places the output transistors either in a conductive condition, in which they apply the differential signal to the transmission line, or in a non-conductive condition, in which they isolate the transmission line from multiplexers. The input and output transistors may be the input transistors. The circuit may be used in linked by a second transmission line. <IMAGE>
Patent GB-2279851-A (GB)
Title: Threshold cancellation means for use in digital mobile radio networks
Inventor: HULBERT ANTHONY PETER
IPC: H04B1/707
Filed: 1993-07-01
Abstract: In a direct sequence spread spectrum code division multiple access receiver using interference cancellation, the signal for cancellation is derived by demodulating the unwanted signals and re-modulating a carrier to create a near replica for subtraction from a delayed version of the total received signal. Errors in the demodulation process degrade the cancellation. The present invention provides an optimal way of using the reliability information in the demodulator decision variable either to get the cancellor off for unreliable bit decisions or to partially disable the cancellor according the bit reliabilities.
Patent GB-2269102-A (GB)
Title: Plant fungicidal compositions
Inventor: GRAYSON BASIL TERENCE
IPC: A01N43/50
Filed: 1993-07-29
Abstract: A fungicidal composition comprises as active ingredient a compound of general formula:   <IMAGE>  in which:  R represents alkyl or optionally substituted cycloalkyl or phenyl,  X represents a nitrogen atom or a -CH- group; Y preferably represents a grouping -OCH2-, -CH=CH- or -CH2 CH2 -; and Zm represents O-3 substituents; and an aliphatic alcohol alkoxylate, for example an ethoxylate, with an average of 5-9 ethylene oxide units per molecule, of a C9-15 aliphatic alcohol, as activity enhancing adjuvant.
Patent GB-2269825-A (GB)
Title: Compensation of determined laundry volume in accordance with supply voltage
Inventor: KOMATSU MORIMASA
IPC: D06F34/18
Filed: 1993-07-30
Abstract: A washing machine includes an electric motor driving an agitator mounted in a tub, a motor load sensor 18 for detecting a load applied to the motor to thereby generate a motor load detection signal, and means 16 determining a volume of laundry loaded into the tub, based on the motor load detection signal from the motor load sensor 18. The means 16 may store determined laundry volume data. A power supply voltage detector 17 detects or a power supply voltage selector switch (24, figure 6) is used to select a power supply voltage. Means are provided to compensate the determined laundry volume or to compensate the motor load detection signal in accordance with either the detected or selected power supply voltage. The means for determining laundry volume and the compensation means may comprise a micro-computer. <IMAGE>
Patent GB-2281210-A (GB)
Title: Biocidal compositions containing organoboron compounds
Inventor: LLOYD JEFFREY DOUGLAS
IPC: C07F5/02
Filed: 1993-08-19
Abstract: A liquid biocidal or preservative composition which is enzyme free comprises (i) as active ingredient at least one borinic, boronic or diboronic acid, (ii) at least one surfactant, and (iii) an aqueous or organic solvent or carrier and is highly effective in protecting porous substrates, particularly cellulosic substrates such as timber, from attack by fungi, bacteria or insects.
Patent GB-2282402-A (GB)
Title: Window assembly
Inventor: SCHOLES ERNEST MALCOLM HEYWOOD
IPC: E06B3/38
Filed: 1993-09-30
Abstract: A window assembly which simulates a double hung sliding sash type window comprises an outer frame, an upper hingedly-mounted glazed unit and a lower glazed unit with the lower glazed unit inset relative to the upper glazed unit by an amount sufficient to make it appear that the units could be slid up and down in front of one another. The lower horizontal frame member (70) of the upper glazed unit (71) has a downwardly facing recess (75) which is defined by a generally L-shaped profile formed by a generally horizontal base surface (76) and a downwardly projecting flange (77); the upper horizontal frame member (74) of the rectangular frame of the lower glazed unit (73) is received by the downwardly facing recess (75); and the combined frontal appearance of the lower horizontal frame member (70) of the upper glazed unit (71) and the upper horizontal frame member (74) of the lower glazed unit (73) simulates that of a transom of a sliding sash type window assembly. <IMAGE>
Patent GB-2271304-A (GB)
Title: Boaching tool for tubing
Inventor: HARDIE JAMES FRASER
IPC: E21B10/32
Filed: 1993-02-26
Abstract: A broaching tool (10) for use in cleaning/scraping and/or shaping the internal surface of tubing along which the tool is conveyed via a 10 wireline comprises a mandrel (11) securable to a wireline, and working tool portions (14) carried by the mandrel (11) to engage the inner wall of the tubing as the tool is drawn through the tubing, in which at least one of the tool portions (14) is slidably mounted on the mandrel (11) to move between a radially projecting operative position in which an outer working face of the tool portion is engageable with the inner wall of the tubing and a radially withdrawn position, the tool portion being guided by its mounting on the mandrel to move from the operative position to the withdrawn position upon relative generally axial movement taking place between the mandrel (11) and the tool portion (14) in order to loosen the tool portion when the latter becomes jammed into engagement with the internal surface of the tubing. <IMAGE>
Patent GB-2273315-A (GB)
Title: Removably securing items to support articles
Inventor: SOLO ALAN J
IPC: B43K23/00
Filed: 1993-12-08
Abstract: A mounting member for removably securing conventional items, to support articles, such as baseball caps, head sweat bands, clothing, footwear, parts of a person's body, posts, steps, moldings and the like, where the support articles have convex, concave or stepped surfaces, the mounting member being provided with transverse hinges between sections thereof to permit the sections to pivot both upwardly and downwardly relative to each other so that the mounting member can be positioned on a curved article. The hinges can have flexible accordian-like portions to permit the sections to pivot or swing transversely from side to side relative to each other to provide a curved arrangement. One of the sections can include an adjustment member to position flip up and down glasses relative to a wearer's eyes. The item can be formed integrally on one section or can be removably secured thereto by Velcro fasteners, snap fasteners, suction members or a double sided adhesive tape. The mounting member can be removably secured to the support article by any one of the above mentioned fasteners. In one embodiment, a fastener on an upper surface of one end section is secured to a fastener on a lower surface of an opposite end section so that the mounting member is disposed around the support article. The mounting member can be provided with numerous sections integrally connected together by the hinges. <IMAGE>
Patent GB-2275048-A (GB)
Title: Improvements relating to a container,to a container neck,to a closure therefor,and to the manufacture thereof
Inventor: KING ROGER MILNER
IPC: B65D1/02
Filed: 1992-07-10
Abstract: A container closure assembly consisting of a container neck (10) having a radially outer sealing surface (20) and a corresponding container closure (12) with radially inner sealing surface (18) adapted to seal against the container neck sealing surface. Means are provided to secure the closure onto the container neck, said means being separate from the sealing surfaces (18, 20). When the closure is secured to the container neck, a clearance (24) exists between the outer lip surface and the inner closure surface. The container neck is sealed by a foil seal (28). <IMAGE>
Patent GB-2285641-A (GB)
Title: Dowel bar sleeve
Inventor: ARNOLD RODNEY MALCOLM
IPC: E04B1/48
Filed: 1994-01-14
Abstract: A dowel bar sleeve (1) has positioning means, such as inwardly projecting lugs (3) on opposite sides or opposing pairs of ribs on its upper and lower inner faces, for centring the sleeve (1) transversely of a dowel bar (2) to define a gap (6) between the sleeve and each side of the bar (2) and is adapted to contact the top and bottom of the bar (2) in use. The sleeve (1) may be open on its lower side. The gap (6) permits lateral movement of the sleeve (1) relative to the dowel bar (2) with expansion and contraction of the concrete cast around the sleeve in use, while the contact between the sleeve and the dowel bar (2) at the top and bottom permits the transfer of vertical loads from the concrete to the dowel bar (2). <IMAGE>
Patent GB-2274331-A (GB)
Title: Device for filling and emtying a gas bottle
Inventor: KERGER LEON
IPC: F17C5/00
Filed: 1994-01-17
Abstract: A device which is designed for attachment to a coupling nozzle of a liquefied gas bottle outlet/outlet valve, the valve being with or without a residual-pressure valve element, and which is used both to fill and empty the bottle includes a rotary axial shaft 56 with an eccentric tip 58 intended to lift the residual-pressure valve element (Figure 1) by rotation of the shaft 56. The rotation of the shaft is brought about by a pneumatic piston 72 which is automatically actuated on connecting the device via outlet 66 to a vacuum pump. The eccentric tip may be a longitudinal spatula which is a circular arc in cross section and the tip is detached from the shaft when the device is used with an outlet valve not having a residual-pressure valve element (Figure 8). The shaft may consist of two telescopic portions 56a and 56b moving axially relatively against the action of a spring 60, the shaft moving within a sleeve 52 which at its front face carries a seal 54 for interacting with the coupling nozzle, (10, Figure 1). <IMAGE>
Patent GB-2274918-A (GB)
Title: Sensor conditioning circuitry for use with electrically excited transducers
Inventor: LEHMAN FRED LEVERNE
IPC: G01N3/06
Filed: 1994-01-19
Abstract: Circuitry used to determine the strain of a component includes a waveform random access memory 26 that stores excitation digital data that represent values of an excitation waveform, a digital-to-analog converter 34 to convert the digital data to an analog excitation signal, a strain sensing transducer 42 that receives the excitation signal and generates an analog response signal, an analog-to-digital converter 58 that digitizes the transducer response signal, a demodulator 31 that multiplies the digital response signal by phase adjusted values of the excitation digital data stored in the waveform memory and low-pass filters the digital response signal, and a resistance-to-voltage converter 60 connected to present a voltage indicating the resistance of an identifying resistor 44 to the analog-to-digital converter. Also disclosed are the use of a serial data transmission line to transmit multiplexed excitation waveform data from a host to a plurality of slave sensor conditioning boards and a calibration technique for calculating a phase shift angle for the demodulator. <IMAGE>
Patent GB-2275989-A (GB)
Title: Combination valve
Inventor: MUSCHELKNAUTZ CLAUDIUS
IPC: F16K15/16
Filed: 1994-03-11
Abstract: A combination valve, in particular for secondary air fans in internal combustion engines with controlled three-way catalytic converters, has a valve body (21) provided with a valve inlet and valve outlet (22, 23), integrating a pneumatically actuated shut-off valve (24) and a backflow prevention valve (25) with blocking effective to the valve inlet and outlet (22, 23). In order to ensure reliable closing of the shut-off valve (24) on a drop in pressure at the valve inlet (22) and also in the event of a leaking backflow prevention valve (25), the valve element (37) of the shut-off valve (24) is mounted on the side facing the valve outlet (23) of the closing element in the backflow prevention valve (25) which takes the form of a leaf spring (48). The valve element (37) of the shut-off valve (24) is connected to a actuating piston (34, 35) by means of a valve lifter (36) axially guided in the valve body and passing centrally through the leaf spring (48). The actuating piston (34, 35) is subjected to negative pressure in order to open the shut-off valve (24) and is subjected to positive pressure to close the shut-off valve (24). <IMAGE>
Patent GB-2281474-A (GB)
Title: A method and circuit for maintaining saturation of a field effect line switch   of a telephone subset
Inventor: FOX RONALD CHRISTOPHER SHAW
IPC: H04M1/82
Filed: 1994-08-30
Abstract: A method of and circuit for maintaining a telephone subsets' field-effect transistor line switch (TR1) saturated during initial line seizure period when the voltage drop across the subsets' line terminals (L1, L2) is momentarily reduced in order to provide sufficient current to seize exchange equipment. The circuit comprises a voltage source (V1) a capacitor (C1) and a switch (TR3) which apply a voltage which exceeds the pinch-off voltage of the field effect transistor line switch during the line seizure period generated by the line seizure circuit. <IMAGE>
Patent GB-2292970-A (GB)
Title: Security device
Inventor: HAMER CHRIS
IPC: E05C17/16
Filed: 1994-09-08
Abstract: A security device for securing an opening member, for example a door or a window, in relation to a fixed member. The device has a bolt 1 which is pivotally and slidably connected to a opening member via an attachment means 5. A front bracket 12 is provided on the fixed member and has an engagement hole 13 for receiving the bolt 1. Securing means is provided for securing the bolt 1 in relation to the opening means, the securing means being in the form of a rear bracket 16. The security device has three positions: a locked position in which the device locks the opening member closed in relation to the fixed member by the bolt engaging both the securing means and the bracket (Fig 2b); a limiting position in which the device allows the opening member to open a limited distance from the fixed member by the bolt engaging the bracket but not the securing means allowing the bolt to pivot and slide in relation to the opening member (Fig. 2c); and an open position in which the bolt disengages the bracket thereby allowing the opening member to open fully away from the fixed member.   <IMAGE>
Patent GB-2282170-A (GB)
Title: Downhole tools
Inventor: SIMPSON NEIL ANDREW ABERCROMBI
IPC: E21B17/10
Filed: 1993-05-27
Abstract: A downhole tool for providing rotary support of a downhole assembly in which the tool is incorporated, the tool also converting rotary contact with the wellbore to a longitudinal force tending to propel the assembly along the wellbore. The tool resembles a roller stabiliser in which the roller axes are skewed to be tangential to a notional helix, such that the natural (non-slipping) paths of roller contact with the wellbore have a longitudinal component in addition to the usual circumferential path. The tool can be used on drillstrings and in downhole motor assemblies. The invention has particular advantage in highly deviated wells since it simultaneously compensates for increased bore friction and dynamically enhances weight-on-bit. <IMAGE>
Patent GB-2285018-A (GB)
Title: Device for attaching elements to a vehicle body.
Inventor: RUNDE ESGLEAS GUILLERMO
IPC: B60P7/13
Filed: 1994-12-12
Abstract: The device for connecting movable elements such as wheelchairs to a vehicle body for transportation has a clamping assembly mounted on a threaded rod 1 which is secured to the vehicle body at its one end 7. The clamping assembly includes a fork member 3 for engaging the movable element and a nut 2 coupled to the fork member. The nut has a threaded bore and an intersecting inclined passing bore of larger diameter. When the device is not under load, the nut can be tilted so that the assembly can slide easily along the rod via the passing bore, see Fig. 1. When the assembly is under load the nut is locked on the rod via the threaded bore. <IMAGE>
Patent GB-2284309-A (GB)
Title: Electrical switch
Inventor: WONG BUN
IPC: H01H1/58
Filed: 1991-03-08
Abstract: An electrical switch comprises a casing having a base plate (13) and a plurality of terminals (15) fixed on and extending through the base plate (13). Each terminal (15) is provided by a metal strip having one end folded and bearing against the upper surface of the base plate (13) and having a tab (19) on the underside of the base plate (13) folded and bearing against the lower surface of the base plate (13). <IMAGE>
Patent GB-2286431-A (GB)
Title: Turbomachine rotor
Inventor: SURDI JEAN MARC
IPC: F01D5/32
Filed: 1995-01-23
Abstract: A turbomachine rotor has a first section 1 carrying blades 2 which have their roots 3 engaged in grooves 4 extending across the first section 1, and a second section 6 which is coaxial with the first section and is secured to one side thereof by bolts 8 through overlapping flanges 5, 7 of the two sections 1, 6. In order to prevent the axial force exerted on the blades 2 during operation of the rotor, resulting from centrifugal force and the inclination of the grooves relative to the rotor axis, from being transmitted to the bolts 8 joining the two sections 1, 6, the flanges 5, 7 overlap so that their rear faces are in contact with each other and the blades 2 abut against the flange 7 of the second section 6. Each blade root 3, may be provided with a hook 15 for engaging the flange 7, a packing member 17 holding the blade in position. The hook and packing member may be omitted (figure 2). <IMAGE>