baber/WOPTO huggingface dataset:
Patent GB-2270434-A (GB)
Title: High efficiency dual mode power amplifier apparatus
Inventor: SCHWENT DALE G
IPC: H03F3/04
Filed: 1993-01-11
Abstract: The dual mode power amplifier apparatus of the present invention is comprised of a number of power amplifiers (101 - 103) coupled to a voltage convertor (104) through their collector supply lines. A mode select line (105) is connected to the voltage convertor (104) to select a digital or analog mode. The preferred embodiment of the present invention is used in a hybrid digital/analog radiotelephone. In the digital mode, the voltage convertor (104) is turned off and the voltage convertor (104) supply voltage is allowed through to the collectors of the power amplifiers (101 - 103). This permits the power amplifiers (101 - 103) to operate with optimum linearity in a digital transmission environment. In an analog environment, the voltage convertor (104) is on and supplying a reduced voltage to the power amplifiers (101 - 103) allowing more efficient operation in this mode. <IMAGE>
Patent GB-2277123-A (GB)
Title: A security lock for a cabinet
Inventor: SIMMONS NIGEL STUART MURRAY
IPC: E05C19/00
Filed: 1994-04-13
Abstract: A security lock for a cabinet, such as for a vending machine, comprising two substantially laminar parts 20, 21 each of which can be separately secured to a respective part of the cabinet, a first of the parts 21 having an apertured tongue 34 projecting therefrom and the other 20 having an aperture 29 which is in alignment with the aperture 35 in the tongue 34 when the two parts are in a closed configuration, and a removable retainer 36 the cross-sectional shape of which substantially matches that of the apertures, the retainer housing a lock barrel 42 and having displaceable locking pins 38, 39 or catches which can be displaced between a retracted position within the retainer 36 and an extended position projecting from the retainer such as to obstruct removal thereof from the aligned apertures, the retainer itself preventing separation of the two substantially laminar parts from the closed configuration. <IMAGE>
Patent GB-2278879-A (GB)
Title: Locking assembly
Inventor: STOKES GRAHAM
IPC: B60R25/00
Filed: 1994-06-10
Abstract: A locking assembly, comprises a housing 28 and an element 16 slidable in the housing 28 between a first position and a second position, the element 16 being lockable in its first position by a removable locking device engagable with said element 16 through an aperture 32 in said housing 28 and coacting with abutments on said housing 28 to resist movement of the element 16 relative thereto. The locking device is preferably a padlock and it engages pin 20 supported in member 16. As shown member 16 is a removable parking post, in another embodiment (figs 2, 3, not shown) a pivoted parking post employs a sliding bolt element locked as described above. In a further embodiment (figs 4, 5, not shown) a sliding bolt element is locked to a keeper in the manner described above. <IMAGE>
Patent GB-2290473-A (GB)
Title: Fixator
Inventor: BAKER ALLEN STANLEY
IPC: A61B17/68
Filed: 1994-06-17
Abstract: A fixator assembly, preferably for use in bone surgery, comprises a component 1 essentially a plate, of two parts 1g and 1c wherein flanges 1g form a groove 1c therebetween. A screw 2 extends through a bore 1e in the component 1. It is intended that two elongate elements 3 such as Steinman pins or Kirschner wire 3, supported by flanges 1g run longitunidally along the groove. Component 1 bears directly upon a bone 4 by the force applied to each pin 3 by the screw head 2a. The bone contacting surface 1a of the component 1 is preferably a knurled, convex spherical surface. The device allows different sized wires to be used and permits the readjustment of bone fragment alignment. <IMAGE>
Patent GB-2284926-A (GB)
Title: Pumping optical-fibre amplifiers from two light sources
Inventor: MAKI TAKANORI
IPC: H01S3/094
Filed: 1994-06-30
Abstract: Pumping light from two pumping light sources 16, 17 is supplied to an optical coupler 15 which splits it into two output beams and supplies the beams to erbium-doped optical fibers in the forward 11 and backward 12 paths, respectively. To avoid the detrimental effect caused by interference that occurs when the wavelengths of the two pumping light sources coincide perfectly with each other, the two pumping light sources are activated alternately by clock signals that are 180 DEG  out of phase with each other. Alternatively, optical shutters may be provided between the optical coupler and the respective pumping light source, these optical shutters being opened alternately. If one or other of the pumping light sources is degraded or stops due to failure, the average level of the pumping light supplied to the optical fibers will drop. To compensate for this, the output light from each amplifier is monitored and, when a fault is detected in one light source, pumping light is continuously supplied to the optical coupler from the other pumping light source. <IMAGE>
Patent GB-2282511-A (GB)
Title: Processing electronic signal to reduce or remove spurious signals
Inventor: COHEN YAKOV
IPC: H04B15/00
Filed: 1994-09-30
Abstract: A method and apparatus for processing an electronic signal 10 so as to facilitate the reduction of spurious signals includes mixing the electronic signal 10 with a first synthesized signal 20 of varying frequency to form a combined signal 22, passing the combined signal through at least one electronic component 12, 16 to produce an exiting signal 14, and mixing the exiting signal 14 with a second synthesized signal 24 of varying frequency which is correlated to the first synthesized signal 20, to form an output signal 18 having spurious signals which are readily recognised and spread relative to the true output signal 18. The synthesized signal 20, 24 are preferably produced by a direct digital synthesizer 26. The mixing of the exiting signal with a synthesized signal may be effected digitally (Fig. 2A). <IMAGE>
Patent GB-2293695-A (GB)
Title: Vibration damping in switched reluctance motors
Inventor: NORTON MARK G
IPC: H02K9/22
Filed: 1994-09-30
Abstract: A switched reluctance motor includes a housing 11 having an inner bore 11d extended in the axial direction, a stator 12 disposed in said inner bore of said housing and having a plurality of pairs of opposing stator pole portions which project inwards in the diametrical direction and which extend in the axial direction, and an absorbing means for absorbing vibrations of said stator disposed between said stator and said housing. The absorbing means may be grease 23 or O-rings 50, 51. Alternatively fibre glass (Fig 6) or grease (Fig 4) may be incorporated into the housing. <IMAGE>
Patent GB-2293838-A (GB)
Title: Dual-flush valve-discharge W.C. cistern
Inventor: SHIUE YAW-CHING
IPC: E03D1/14
Filed: 1994-10-05
Abstract: A toilet flushing device comprises a water tank (10) provided therein with an inlet tube (11), a float arm (12), an overflow tube (13), a first outlet tube (14), and a second outlet tube (15) which is shorter than the first outlet tube. The first and the second outlet tubes (14, 15) are provided movably and respectively at the top end thereof with a cap (16; 17) which is controlled by a flushing mechanism (20) mounted in the water tank. The flushing mechanism is made up of a control member (21) having a shaft (22) to which a rear control rod (60), a front control rod (24) and a locating tube (23) are fastened. The rear control rod is fastened with a first flush lever (50) located outside the water tank. The locating tube (23) is made integrally with the front control rod and is meshed with a second flush lever (40) located outside the water tank (10). <IMAGE>
Patent GB-2287343-A (GB)
Title: Entertainment machines
Inventor: MARCHINI BARRY ALLEN
IPC: G07F17/30
Filed: 1995-03-03
Abstract: An entertainment machine, such as a jukebox 10, includes a money acceptance/verification unit 12 and a keyboard 16 incorporated within a computer 18 so that a user can select a compact disk to be played by a player 22. If the user decides to buy the selection, and sufficient additional money is accepted, a device 24 can be activated for delivering a selected compact disk from a store 26 to a delivery chute 28. Other entertainment machines could be amusement with prize machines or skill with prize machines which dispense discs from a store thereof. <IMAGE>
Patent GB-2288505-A (GB)
Title: Noise-suppressing housing for an appliance
Inventor: VETTER ROLAND
IPC: D06F39/12
Filed: 1995-04-07
Abstract: A cabinet-shaped housing for a household appliance with an oscillation exciter comprises side walls which are high in comparison to width and which are provided with substantially vertically oriented and mutually parallel ribs in the form of flat stampings (2 to 5) for rigidification, wherein at least three such stampings, which have a small width (B) in comparison to length (L) and are of equal width (B), are distributed at unequal spacings (A1, A2) relative to one another over the side wall surface. <IMAGE>
Patent GB-2301024-A (GB)
Title: Rack for drying clothes
Inventor: CHAN SING HUNG
IPC: D06F57/12
Filed: 1995-05-24
Abstract: A rack (1) for drying clothes comprising an arm (2) which is supported horizontally and a frame (4) moveable along the arm to selectively position the frame on the arm. The frame is movable by a means of a system of ropes and pulleys. The frame has at least one traveller means (8) which travels along the arm. Two members (16) are provided parallel to the arm from which clothes may be hung. The rack is intended to be mounted to the upper portion of a window or a door frame.
Patent GB-2295620-A (GB)
Title: Siloxanes containing piperidine and substituted alkyl groups as stabilisers
Inventor: BORZATTA VALERIO
IPC: C08L83/08
Filed: 1995-11-24
Abstract: Compounds of the formula (I> <IMAGE> in which m and n are numbers from 1 to 50; A is -O- or >N-R6 where R6 is e.g. hydrogen or C1-C18alkyl; R1 and R4, which may be identical or different, are C1-C18alkyl, phenyl, C1-C8alkoxy, OH, ONa or OK; R2 is e.g. C2-C12alkylene; R3 is e.g. hydrogen or  C1-C8alkyl; R5 is e.g. a group of the formula   <IMAGE> in which R9 is e.g. 2,2,6,6-tetramethyl- 4-piperidyl; A' has one of the meanings of A; p is e.g. 1 and R10 is e.g. C2-C18alkylene; X1 has one of the meanings of R1 or is a group (R27)3SiO- where R27 is C1-C18alkyl; X2 is hydrogen, Na, K, C1-C8alkyl or a group (R27)3Si- with R27 as defined above and, when m + n is a number from 3 to 10, X1 and X2 together can also represent a direct linkage; are useful as stabilizers for organic materials against degradation induced by light, heat or oxidation.
Patent GB-2296713-A (GB)
Title: Thixotropic materials for oilwell applications
Inventor: PAFITIS DEMOSTHENIS GEORGEOU
IPC: E21B33/13
Filed: 1995-12-22
Abstract: A settable thixotropic material comprises a thixotrope and a settable substance, the material being capable of gelling reversibly in a gelling time of less than 60 seconds. The thixotrope conveniently comprises a fine grained clay, especially smectite clays, e.g. hectorites. It is preferred to use synthetic smectite type clay colloids, and goods results have been obtained with the synthetic clay known as Laponite (RTM) RDS. The settable material conveniently comprises cement, particularly Portland cement. The thixotropic material finds use generally in oilwell applications, e.g. to plug lost circulation zones, to repair damaged or corroded casing, as grouts, and to limit annular gas migration. The material also finds particular application in techniques for completion of horizontal wells completed with slotted or pre-drilled liners, as described in International Application No. PCT/GB94/01358 (WO95/00739).
Patent GB-2308946-A (GB)
Title: Channel Allocation for Registering in a Cellular Radio Network
Inventor: WORSNOP JOHN CLINTON
IPC: H04W48/18
Filed: 1995-12-22
Abstract: A mobile unit for use in a cellular radio network which includes apparatus for registering the mobile unit with a radio channel. The mobile unit includes means (34) for storing data relating to the frequencies of radio channels operated by base sites in the network and to the geographical areas in which the mobile units are capable of using each radio channel. A location system (40) is used to determine the current position of the mobile unit in the network. A comparing means (35) compares the current position of the mobile unit with the stored geographical data and a selecting means (36) selects a radio channel frequency for registration in dependence on the comparison.
Patent GB-2299025-A (GB)
Title: Formulations of mannose phosphates useful in the treatment of fibrotic disorders
Inventor: FERGUSON MARK WILLIAM JAMES
IPC: A61K9/06
Filed: 1993-03-16
Abstract: Mannose-6- and 1-phosphates and their pharmaceutically acceptable salts and bioprecursors thereof are useful in the treatment of fibrotic disorders. They accelerate wound healing and the 6-phosphate prevents or mitigates scar formation. The invention includes particular, appropriate formulations of the mannose phosphate, viz. creams, ointments, gels, sterile injectable or syringeable solutions and eyedrops.
Patent GB-2314230-A (GB)
Title: Mobile phone handset composed of overlapping housing portions
Inventor: SPICER PAUL
IPC: H04M1/02
Filed: 1996-06-12
Abstract: The mobile phone handset includes an outer housing made up of a back part 10 and a front part 11. The front part 11 has a skirt portion 11a around its periphery. The skirt portion 11a receives and overlaps the outer periphery of the back portion 10. This arrangement is said to offer design possibilities not provided by the more usual "clam shell" arrangement.
Patent GB-2314859-A (GB)
Title: Accommodation units providing an isolated environment
Inventor: LEMAIRE ANDREW
IPC: A61G10/02
Filed: 1996-06-29
Abstract: An accommodation unit provides an isolated environment for an infected patient, or protects a patient from external contamination. This unit comprises a capsule (1) providing a living space, filter means (3,4) for providing filtered air into and/or out of the space; means (14,15) for allowing the entry and exit of apparatus and waste from the space, without disturbing the integrity of the space; and means (1) for enabling a patient to be manipulated or operated on by a person isolated from the patient. Preferably, there is also provided a mobile unit (28)(fig 3, not shown) for the transport of a patient, wherein cooperating means are provided on the accommodation unit and the mobile unit for linking the two to provide a passage for allowing the patient to move or be moved between the two without disturbing the integrity of the isolated environment, the mobile unit also providing an isolated environment.
Patent GB-2316812-A (GB)
Title: Rotary electric machines having disk rotor retention ring
Inventor: PULLEN KEITH ROBERT
IPC: H02K1/27
Filed: 1996-08-07
Abstract: A retention ring 1 is applied to a disc rotor assembly 3 which comprises a plurality of substantially equiangularly spaced magnets 7. The ring is expanded by driving it over a tapered mandrel 13 onto a rim 5 of the rotor assembly.
Patent GB-2316380-A (GB)
Title: Driving apparatus for a compact belt conveyor
Inventor: YAGI SHIGERU
IPC: B65G23/08
Filed: 1996-08-23
Abstract: A belt driving device comprises left and right frames (15) having their upper ends connected by a slide bed for the upper run of an endless belt (20), which is looped around a head pulley (21) and a tail pulley (22) disposed on the frames (15), and a belt drive unit (12) detachably mounted on the frame under side. A drive pulley (30) is disposed in the unit (12) and is supported by a frame body through a rubber spring so as to contact an outer surface of the return run of the belt, and at least one inner pulley (23,24) is disposed on the frame under side at the driving unit attaching position so as to contact the inner surface of the return run of the belt. Either the drive pulley (30) is biassed towards the inner pulley or the inner pulley is biassed towards the drive pulley by the rubber spring whereby the belt supported between the inner and drive pulleys is friction driven by the pulleys being pressed together.
Patent GB-2317565-A (GB)
Title: Composite aortic cannula
Inventor: MAZHAAR RASHID
IPC: A61F2/958
Filed: 1996-09-27
Abstract: The cannula, which serves the combined functions of an aortic cannula for heart by-pass, an aortic cross-clamp and a root cannula for cardioplegia, comprises an inflatable, occluding balloon 12 shaped and positioned so as not to encroach upon the orifice of the arteries of the aortic arch, an inflation channel 13 for the balloon, a second channel 14 for the delivery of antegrade cardioplegia solution, a protective collar or rim 15 above the balloon to prevent undue insertion of the cannula and a detachable lid 16 at the proximal end. The cannula may be a plastics or metal tube with a bevelled end 10 and the balloon may have differentially thickened walls to provide a tear drop- or pearl-like shape upon inflation (Figs. 4 and 5).
Patent GB-2308378-A (GB)
Title: Monoazo dyes based on 2-[7-(2'-sulpho-phenylazo)-8-hydroxy-3,6-disulphonaphthylamino]-4,6-disubstituted-triazine skeleton for use in inks
Inventor: GREGORY PETER
IPC: C09D11/00
Filed: 1996-11-27
Abstract: A Monoazo compounds of the Formula (1) and salts thereof are disclosed:  wherein each of R 1 and R 2 , independently, represents H, halogen, alkyl, alkoxy or acylamino; each of R 3 , R 4 and R 5 , independently, represents H or optionally substituted hydrocarbyl (other than groups that are or include the residue -A-NR 7 R 8 wherein A represents an optionally substituted alkylene group containing 2 or more carbon atoms and each of R 7 and R 8 , independently, represents H or optionally substituted hydrocarbyl or R 7 and R 8 together with the attached nitrogen atom form a 5- or 6-membered ring) and R 6 represents an optionally substituted hydrocarbyl group not being or including) the residue -A-NR 7 R 8 (wherein A, R 7 and R 8 are as defined above); or R 3 and R 4 together with the attached nitrogen atom and/or R 5 and R 6 together with the attached nitrogen atom form a 5- or 6-membered ring other than a piperazine ring; the compounds of Formula (1) being free from fibre-reactive groups and any carboxyl substituents present in the compounds being attached in the form of one or more residue of the following formulae:  Are disclosed are ink compositions comprising the above compounds; a process for printing substrates with the ink compositions using an ink-jet printer; paper, project slides and textile materials printed with the ink compositions; and a process for coloration of textile materials with the ink compositions.
Patent GB-2304858-A (GB)
Title: Pipe
Inventor: LOOTS FREDERICK JACOBUS
IPC: F16L9/12
Filed: 1995-07-12
Abstract: In this invention a pipe (1) which is suitable for use in underground pipelines and the like comprises an inner tubular member of plastics or metal (2) around which is a layer (3) of bitumen or plastics material surrounded in turn by a water impervious and electrically insulating plastics structural layer (4).
Patent GB-2305808-A (GB)
Title: Interface card with an electronic camera and method of use therefor
Inventor: JAMBHEKAR SHRIRANG NILKANTH
IPC: H04N5/225
Filed: 1995-07-14
Abstract: An interface card (10) for use with a personal communicator is provided as well as a method of use therefor. An electronic camera (12) is used to capture a plurality of image data. The image data is transferred to the personal communicator by an interface circuit (14).
Patent GB-2321499-A (GB)
Title: Method and apparatus for injecting fuel with electronically controlled injectors
Inventor: MONCELLE MICHAEL E
IPC: F02M47/04
Filed: 1997-10-08
Abstract: An improved electronically-controlled heavy fuel oil (HFO) injection system comprises a pumping chamber for pressurizing fuel and a direct-operated check for controlling fuel injection. A control fluid different from the fuel is used to operate regulating apparatus for controlling the fuel injection pressure and fuel injection timing. The regulating apparatus isolate the HFO from sensitive mechanisms by appropriate exposure of the control fluid to flush intruding HFO from those mechanisms. Pressurization of fuel begins before the start of fuel injection. Fuel injection is initiated by exposing one end of the check to low pressure control fluid while the other end is exposed to high pressure fuel. Fuel injection is terminated by exposing the one end to high pressure control fluid to hydraulically balance the check and allow a biasing device to close the check. The present invention provides improved control of several fuel injection parameters, including higher peak fuel injection capability and faster fuel injection pressure drop at the end of injection, resulting in improved engine performance and reduced emissions, noise, and wear.
Patent GB-2320659-A (GB)
Title: Radio Communication Apparatus with Means for Switching between Systems
Inventor: OHSUGE MICHIHIRO
IPC: H04M1/724
Filed: 1997-11-28
Abstract: In placing a call, a destination telephone number entered through the keyboard section 12 is saved in a storage device 10. A signal indicating that a line cannot be connected (BUSY signal) or has been disconnected enters into a BUSY measurement section 13 from a base station through a radio section 2. When it continues for a predetermined period of time, a control section 8 automatically changes over the mode to another system mode, and automatically places a call to a telephone number saved in a storage device 10. Thus, a communication system in which a line is free can be searched in a single outgoing operation, so that operability is improved.
Patent GB-2320535-A (GB)
Title: Method for controlling a lock-up clutch
Inventor: FISCHER ROBERT
IPC: B60W50/02
Filed: 1995-02-21
Abstract: A hydrodynamic torque converter has a lock-up clutch which is slip-controlled in dependence on the torque to be transferred. A control orientated from the energy and performance-related points of view is active at least in all forward gear stages of a gearbox connected to the converter. Also disclosed is a method for controlling a drive system which has an internal combustion engine, a hydrodynamic torque converter and a slip-controlled lock-up clutch for the converter. The clutch includes a torsion damper with no inherent friction device, whose stop torque amounts to between 10 and 60% of the maximum torque of the internal combustion engine, and which allows a relatively small angle of travel in the order of  2 to 6. The torque control of the lock-up clutch is divided at least into two areas of which the first extends in the area of 10 to 60% of the maximum torque of the internal combustion engine and the second lies above this.
Patent GB-2335022-A (GB)
Title: A cryogenic valve
Inventor: WILDER BARRY
IPC: F16K27/02
Filed: 1998-03-03
Abstract: A cryogenic valve comprises a valve body 10 having an inlet 11 and an outlet 12 and a valve seat 13 in the valve body. A valve plug 14 is co-operable with the valve seat for closing the valve, and an elongate valve operating stem 15 is attached to the valve plug. An elongate bonnet tube 16 is secured to the valve body surrounding the valve stem. The bonnet tube is formed of stainless steel and the valve body is formed predominantly of aluminium and has a stainless steel sleeve 17 which has been bonded to the aluminium by hot pressing, the elongate bonnet tube is secured to the stainless steel sleeve.
Patent GB-2336088-A (GB)
Title: Electrical mini-cultivator
Inventor: BARRINGTON KEVIN JAMES
IPC: A01B1/06
Filed: 1998-04-06
Abstract: A hand held electrically powered Mini-cultivator for tilling garden beds has rotating blades 13, comprising spiked forks made from iron, driven by an electric motor. A power cable 15 is provided for connecting to a power source and the motor is controlled by an operating switch 10 and a speed control dial 11. An additional ball grip 12 is provided allowing two handed operation.