baber/WOPTO huggingface dataset:
Patent GB-2286302-A (GB)
Title: Power amplifier used in open or closed loop and radio transmitter
Inventor: WRAY ANTHONY J
IPC: H04B1/04
Filed: 1994-01-29
Abstract: A power amplifier is described, such as an amplifier employing closed loop feedback (e.g. Cartesian feedback) as well as a radio transmitter incorporating such an amplifier. The amplifier circuit has an amplifier control loop and a loop closing element (18, 107) for selectively opening and closing the control loop in response to a loop closing signal (40). One or more gain elements (30, 31, 32, 33, 101, 102, 110, 111) external to the control loop is adjusted responsive to the loop closing signal so as to maintain approximately constant gain between the input and the output of the amplifier during opening and closing of the loop, Because the gain adjustment is carried out external to the loop, any negative impact on the phase shift or phase stability is reduced or eliminated, and the circuit can be designed with reduced phase margin and greater simplicity. <IMAGE>
Patent GB-2289899-A (GB)
Title: Temperature displaying Iron
Inventor: BARRY NICOLA
IPC: D06F75/26
Filed: 1994-05-12
Abstract: A domestic iron of conventional design and appearance which incorporates within its base, (i.e. ironing surface), a digital display which is flush with the ironing surface of the iron, such display showing the temperature of the ironing surface, in addition to which the temperature display is colour coded changing colour, for example, from green to orange to red, depending upon the upward intensity of the heat, and the display continues after the appliance has been disconnected/switched off from the power supply.
Patent GB-2290608-A (GB)
Title: Fuel fired burners
Inventor: PALMER-JONES ROLAND VINCENT HO
IPC: F23D14/82
Filed: 1994-06-16
Abstract: A fuel fired burner is provided for receiving a premixture of fuel and air. A ceramic flame support 26 extends across the burner chamber 2 and has a plurality of elongate slots 62 through which the fuel and air flows. Each slot has a narrow constant dimension portion (84) Fig. 3 that opens downstream into a wider constant dimension portion (86). The outlet end of the latter portion opens downstream into a short diverging outlet 87. The arrangement is such that when the burner is operating within a given heat output range, the burner flame can move between the upstream and downstream ends of the diverging outlet (87) to seek stabilisation as the heat output changes within that range, without retracting into the slot upstream of the outlet (87). With this burner the likelihood of resonant combustion noise occurring is alleviated or reduced. <IMAGE>
Patent GB-2280794-A (GB)
Title: Electrical connector having a guide for a mating terminal
Inventor: OHTAKA KAZUTO
IPC: H01R13/52
Filed: 1994-07-25
Abstract: A first electrical connector comprises guide faces 30, 30' for the terminals of a mating connector. The body of the first connector supports a flexible latch 7 for each of its terminals B, and provides access for the insertion of latch locking fingers 21 from the front end via mating terminal insertion apertures that are only partly hounded by terminal guide surfaces 30 of the body. Further guide surfaces 30' are provided by the locking finger support C or another front member. The support C includes latches 23, 25 for mating with body parts (26, figure 2) and 27 in pre- and post-locking positions and provides for each latch 7 a latch release tool insertion aperture (H, figure 9). A cover plate G for a rear end seal includes apertures each having a groove (15a) to receive a terminal projection (16, figure 3) for terminal orientation. A member E cooperates with a latch 18a for the body of the mating connector, to indicate complete mating of the connectors. <IMAGE>
Patent GB-2292876-A (GB)
Title: Automatic animal feeder
Inventor: WEBB PETER
IPC: A01K5/02
Filed: 1994-09-08
Abstract: A livestock feeder comprises a container 1 mounted on a wall of a stable or animal shed, the container being fitted with a door 3 at its lower end, the door being operable by an electrical catch which may be powered by solar panels or the like and opened at a predetermined time as measured by a timer. <IMAGE>
Patent GB-2283606-A (GB)
Title: Entertainment machine
Inventor: MILES MICHAEL JOHN
IPC: G07F17/32
Filed: 1994-11-01
Abstract: A coin-operated entertainment machine has three or four rotatable reels with selectable symbols around their peripheries, which when the machine is operated by a player by insertion of one or more coins rotate and come to rest with a combination of symbols displayed on a win line. If the combination is of a predetermined winning nature, an award, such as a payout of coins, is made available to the player. The operating system of the machine assigns an index to each selectable symbol whereby the selected combination can be known before this is displayed to the player. Each winning combination has an assigned rejection probability and any selected winning combination is subjected to an acceptance/rejection procedure using the assigned probability before it is displayed. If it is rejected, a new combination is selected and the procedure is repeated. <IMAGE>
Patent GB-2283898-A (GB)
Title: Fodder mixing and dispensing apparatus
Inventor: HUGHES PATRICK
IPC: A01K5/00
Filed: 1994-11-23
Abstract: A mixing and dispensing apparatus suitable for animal fodder comprises an open-topped container 10 having an auger 35, and a canopy 20 for supporting hay or silage bales and enabling the material to be acted upon and ingested by the auger. The auger is mounted on a shaft 30 and is formed in two section R1, R2, each of opposite helix, and directs the material towards the centre of the container, it is cut and mixed by knives 47 acting with serations 45 extending laterally from the shaft. A dispensing outlet C is disposed in a wall of the container adjacent the centre of the container, and may gave an impeller to aid discharge. <IMAGE>
Patent GB-2284769-A (GB)
Title: Dehydrogenation catalysts for C3-C20 paraffins, and preparation thereof.
Inventor: BLEJEAN FRANCK
IPC: B01J23/02
Filed: 1994-12-14
Abstract: The invention concerns a catalyst containing a support comprising at least one metal from group VIII of the periodic classification of elements such as platinum, palladium, ruthenium, rhodium, nickel, osmium or iridium, at least one additional metal selected from the group formed by groups IIB, IIIA, IVA, IVB, VA, VB, VIIB and VIII and at least one metal selected from the group formed by alkali and alkaline-earth metals, characterised in that said alkali or alkaline-earth metal is at least partially contained in the support in the form of an aluminate. The invention also concerns the preparation and use of said catalyst for dehydrogenation of C3-C20 paraffins. The preferred aluminate is lithium, the preferred Group VIII metal is platinum and the preferred additional metal is tin.
Patent GB-2285813-A (GB)
Title: Electrolytic treatment of copper foil to deposit a dark-coloured,nodular layer of copper-nickel alloy to improve bond strength to dielectric substrate
Inventor: CHEN SZUCHAIN
IPC: C25D5/16
Filed: 1995-01-19
Abstract: The treatment includes electrolytically depositing a nodular copper/nickel alloy layer (14) on a surface of the foil (10) for a printed circuit board, these nodules (14) having at least 50% by weight copper, using a pulse power controller. Etching characteristics are not detrimentally affected. The process may include cleaning prior to treatment of the foil e.g. electrolytically, and a post-treatment with a corrosion inhibitor. <IMAGE>
Patent GB-2294212-A (GB)
Title: Gas filter element
Inventor: ANDREAE ERHARD CHARLES
IPC: B01D50/00
Filed: 1995-01-24
Abstract: The gas filter element consists of at least two rigid perforated panels arranged in a fan-fold manner with folds 1, 2. A flexible porous filter sheet 16 is secured to the apices 2 of one of the panels, on the downstream side to form additional filter chambers 7. <IMAGE>
Patent GB-2287535-A (GB)
Title: Personal navigation system
Inventor: BALACHANDRAN WAMADEVA
IPC: A61H3/06
Filed: 1995-03-17
Abstract: A personal navigation system, particularly for use by the blind, combines signals from a satellite-based global positioning system, an electronic map (20), a route-planning algorithm (17) and a tactile display (29) associated with a speech synthesizer (26) (or a control handset associated with a speech synthesizer) to present the road features both around the position of the person using the system and the desired destination. A route to a desired destination can be indicated using a route-planning algorithm (17) and verbal navigation information regarding the current position of the user, the route and the destination can be output via a speech synthesizer (26). <IMAGE>
Patent GB-2285372-A (GB)
Title: Method and apparatus for multiplexing fixed length message data and variably coded speech
Inventor: DECLERCK DANIEL J
IPC: H04J3/16
Filed: 1994-07-05
Abstract: Speech of an unknown amount and control message data (150) of known amount are multiplexed so that the coded voice data is transmitted before the elapse of a predetermined number of frames. A variable rate vocoder (110) receives and codes the speech of an unknown amount at one of full and less than full rates to produce the coded data. A multiplexer (120) receives the coded voice data from the variable rate vocoder (110) and sends frames containing the coded voice data when the variable rate vocoder operates at a full rate. When the variable rate vocoder (110) operates at less than full rate, the multiplexer (120) sends frames containing portions of the message data together with the coded voice data. However, when the number of frames remaining before a predetermined number of frames necessary to send the remaining of the control message data (150) together with the coded voice data at less than full rate, the variable rate vocoder (110) is forced to a voice coding rate lower than full rate. <IMAGE>
Patent GB-2286099-A (GB)
Title: Modular communication system with allocatable bandwidth
Inventor: GRAY THOMAS
IPC: H04Q11/04
Filed: 1992-05-26
Abstract: A digital communication system comprises a plurality of lines 14A some of which carry data at various data rates, apparatus 13 for detecting the rates and for determining the destination lines to which the data are to be passed, receivers 5A associated with the lines, memory apparatus 16 for receiving and temporarily storing the data as it arrives on the lines carrying data, an internal bus 2 operating at a predetermined data rate at least as high as a maximum one of the various data rates, apparatus 7 for enabling each of the memory apparatus 16 and a corresponding one of the receivers in unison so as to couple pairs thereof together via the bus 2 and thereby to transmit data from each memory apparatus to a receiver associated with 2 destination line, the enabling occurring at rates relating to the various data rates, the transmission occurring at the predetermined data rate. <IMAGE>
Patent GB-2300572-A (GB)
Title: Roller skate
Inventor: CHEN TING-HSING
IPC: A63C17/06
Filed: 1995-05-10
Abstract: An in-line skate structure includes an integral skate chassis, a pair of spring plates 22 securely fastened to a front toe platform 11 and a rear heel platform 12 of the skate chassis respectively, a pair of wheel mounts 3 secured in the skate chassis and underneath the spring plates, respectively. When riding on a bumpy road, the spring plates will engage the wheel mounts to absob the vibration.
Patent GB-2303104-A (GB)
Title: Pushchair changing-table converter belt
Inventor: GLEN VENUS
IPC: B62B7/12
Filed: 1995-07-07
Abstract: A pushchair, especially one with a five-point harness and standard D-rings, is converted into a baby changing table by immobilising the pushchair, locking the pushchair seat in its lying/horizontal position and applying the converter belt which eliminates the depth of the seat.
Patent GB-2303546-A (GB)
Title: A portable umbrella support
Inventor: HAZELGROVE GREGG
IPC: A45B11/00
Filed: 1995-07-25
Abstract: A portable umbrella support is disclosed which comprises a hollow telescopically formed shaft 1 with a locking arrangement such as a ball and ratchet 6-9 interlocking the telescopic sections at any selected length. A deformable attachment, preferably in the form of a bendable stiff spring 2, is mounted at one end of the shaft. The spring is provided with a clamp 3 at its outer end to clamp the shaft of an umbrella and to allow movement of the umbrella by bending the spring into a selected position. The end of the telescopic shaft remote from the bendable spring is provided with a screw thread 17 to allow detachable connection of various attachments to the shaft. Preferably, one such attachment is a swivel joint 5 with an adjustable crocodile clamp 20 having a rubber insert. Alternatively, the swivel joint can be replaced by a ground spike.
Patent GB-2312449-A (GB)
Title: Roof outlet assembly
Inventor: WOOD ROGER ANTHONY
IPC: E04D13/04
Filed: 1996-04-27
Abstract: A roof outlet assembly comprises an outlet pipe (31) arranged, in use, to communicate with a downpipe (34) of a roof drainage installation, and a support (35) for the outlet pipe (31), which support (35) has an inner portion (36) supporting the outlet pipe (31) and an outer portion (37) having an outwardly extending flange (39) arranged to rest upon a layer (40), such as a vapour barrier, of a roof structure (30) and to be sealed thereto.
Patent GB-2300226-A (GB)
Title: Miller cycle engine
Inventor: ISHIHARA TAKESHI
IPC: F02B75/02
Filed: 1994-12-26
Abstract: A miller cycle engine which is simple in construction, and provides a low compression ratio and a high expansion ratio, thereby making it possible not only to improve the thermal efficiency and exhaust emissions of the engine but also to clean exhaust gas and prevent an increase in blow-bye amount. To this end, a volume chamber (8) communicating with a cylinder chamber (4) at a position a predetermined distance (Ha) above the bottom dead center of the stroke of a piston (2) is provided, and the volume chamber (8) refrains a pressure increase in the cylinder chamber (4) at the beginning of a compression stroke. In addition, a pressure piston ring (32) is disposed at the skirt portion of piston (10) for preventing fresh air and exhaust gas accumulating in said volume chamber (8) from leaking into a crank case (13).
Patent GB-2301666-A (GB)
Title: Diagnostic device
Inventor: MICO PHILIP REES
IPC: B01L3/00
Filed: 1995-01-18
Abstract: A diagnostic device comprises a container formed from a base element (10) and a cover element (11) bonded together to define a cavity. The cover element is formed with an aperture (17) surrounded by a depression (18) and a single or multi-layer porous support membrane (9) is located within the cavity so as to be accessible through the aperture. A body of fluid-absorbent material (14) is also located within the cavity in contact with the porous support. The fluid-absorbent material (14) is formed at least partly from fibres of a kind which absorb fluid into the fibre itself, so as to cause the fibre to swell and increase in volume. Appropriate reactants are applied to the porous support (9) so that when a sample to be tested is applied to the support through the aperture (17) the result of any reaction can be observed. Sample or reactants in the form of fluids pass through the porous support and are absorbed by the underlying body (14) of fluid-absorbent material. The composition and arrangement of the fluid-absorbent material may be varied to control the flow of fluid into and through the material. A neutralising agent (23) may be located in the cavity to neutralise fluids used in the test.
Patent GB-2306730-A (GB)
Title: Radio selective-calling receiver
Inventor: TAKATSUKA KUNIHIRO
IPC: H04W88/02
Filed: 1996-10-28
Abstract: A list of pre-stored messages is displayed in a receiver (S111). Any of them are selected (S112 through S117) and transmitted together with specific codes identifying them and a message count (NA) (S118) to another receiver for the messages and specific codes to be copied into its memory. If there is not enough room, overwriting is possible (S214, S220). If a specific code is already in use, in the memory an unused code is substituted (S215,S216).
Patent GB-2304743-A (GB)
Title: Syphonic cistern device
Inventor: BEATTIE DAVID DOWLEY
IPC: E03D1/14
Filed: 1995-03-31
Abstract: A syphonic flushing device (10) for attachment to a water cistern characterized in that the device (10) comprises a syphon member (12) having a float compartment and having a first inlet (22) and an outlet (46) to allow the flow of air or water through the syphon member (12), the device (10) being movable between a first position corresponding to an upper water level (F-F) in the cistern and a second position corresponding to a lower water level (E-E) in the cistern, wherein when the device (10) is operated water will flow through the syphon member (12) to move to the second position whereupon air enters the device (10) as the water level in the cistern falls below the first inlet (22) causing the flushing action to cease whereupon air will flow through the syphon member to substantially fill the float compartment causing the syphon member (12) move to the first position as the water level in the cistern rises.
Patent GB-2314633-A (GB)
Title: Device for detecting the thickness of a brake lining
Inventor: BRANDMEIER THOMAS
IPC: B60T13/74
Filed: 1997-06-25
Abstract: By means of the device, the current thickness - and thus the wear - of a brake lining of a motor vehicle brake system is detected, which device has on each wheel individually electrically controlled wheel brake actuators 4 which actuate the wheel brakes. The wheel brake actuator 4 contains a hydraulic piston (fig.2, not shown) 26, which is moved by an electro-motor 20, and is provided with a sensor 30, which detects the braking pressure or the braking force, and with a further sensor 31, which detects the path of the hydraulic piston. The thickness of the brake lining is established from the signals of these two sensors. For this purpose, the path s which the hydraulic piston 26 has covered until a predetermined braking pressure is reached is measured.
Patent GB-2335850-A (GB)
Title: Back for picture frame : support leg
Inventor: RESTORICK PETER
IPC: A47G1/14
Filed: 1998-04-01
Abstract: A plastic back for a picture frame has peripheral lines of weakness so that strips may be snapped from the edges of the back to fit different sized frames. Support leg C, hinged at D, may also be snapped out. A plastic sheet may cover the gap left by the leg. A plastic wedge may be slid up the leg to abut and support the back.
Patent GB-2335906-A (GB)
Title: Mobile platform assembly with detachable handle
Inventor: BEBB RICHARD HODSON
IPC: B62B5/04
Filed: 1998-04-02
Abstract: A mobile platform assembly mounted on wheels 2 has a deck 1 removably attached to which is a handle 10. Brakes 3 are applied to the wheels 2, preferably by rotation of a shaft 5, the assembly being arranged such that removal of the handle 10 is only possible when the brakes 3 are applied to the wheels 2, thereby releasing retaining means which hold the deck and handle together. Preferably the retaining means comprises spigots 17 on the handle 10 which engage in sockets 32 in the deck 1, the spigots 17 being retained in the sockets 32 by spring loaded catches 18 (most clearly seen in figure 2). The catches 18 may be displaced by rotation of the shaft 5 when the brakes 3 are applied to permit withdrawal of the spigots 17 from the sockets 32 and thereby removal of the handle from the deck when the assembly is in a braked condition.
Patent GB-2324616-A (GB)
Title: Mixed grain emulsions withsame grains but different speeds
Inventor: MYDLARZ JERZY ZENON
IPC: G03C1/035
Filed: 1998-04-20
Abstract: A photographic element comprising at least two photographic emulsions wherein the grains of said at least two emulsions are the same and wherein at least one of said at least two emulsions is treated with a speed decreasing compound. The compound is preferably a diphenyl disulphide. There is also claimed a method of sensitising an emulsion by (1) adding a speed decreasing compound, (2) adding sensitisers and (3) heating the emulsion. The elements reduce the number of layers used in colour materials.
Patent GB-2321370-A (GB)
Title: Apparatuses and methods for signal strength measurement in a wireless communication system
Inventor: RAITH ALEX KRISTER
IPC: H04W36/08
Filed: 1996-10-18
Abstract: Methods and devices for measuring signal strengths by mobile stations in a wireless communication system are described. More particularly, while transmitting and receiving on a channel, signal strength measurements may be required. For instance, the received signal strength of broadcast information slots at the beginning of a superframe may be measured at predetermined times for several carriers. However, the mobile station may be busy performing information reception or transmission tasks. According to one exemplary embodiment, the signal strength measurments may be delayed when the mobile is transmitting and receiving on a channel, and then more frequent signal strength measurements may be made when there is no communication. In other words, the signal strength measurements do not have to occur uniformly in time, but may be more frequently performed if they have been delayed. Alternatively, the mobile station can "steal" one or more time slots to perform the signal strength measurements by ignoring its tasks of receiving and/or transmitting information.
Patent GB-2336991-A (GB)
Title: Quick-change brushes for sweeping machines
Inventor: RIACH ALAN BRYSON
IPC: A47L11/164
Filed: 1998-05-08
Abstract: A drive mechanism for the front brushes of a sweeping machine with a quick-change brush engagement for the two contra-rotating brushes. Each brush head is drivingly engaged with a drive hub 7 driven by electric motor 1 via shaft 5. The drive hub has at least three drive teeth (15, Fig. 4) engaging sockets (17, Fig. 7) in the brush head. The brush head is secured to the drive hub by a lock cam 33 supported on the drive hub by studs 31 through arcuate slots (35, Fig.6) permitting rotation of the lock cam relative to the drive hub through an arc. The lock cam has cams (37, Fig. 6) which are no larger than the teeth (15) and which butt against lands between the sockets of the brush head following rotation of the lock cam relative to the drive hub and thus secure the brush head.
Patent GB-2333778-A (GB)
Title: A lavatory block
Inventor: PERTHUISOT CHRISTOPHE
IPC: A61L9/05
Filed: 1998-07-06
Abstract: A lavatory cleansing block having a perceived approximately constant intensity of fragrance throughout the life of the block, comprises an inner region 2 comprising an inner fragrance and an outer region 3 comprising an outer fragrance which is different from said inner fragrance, the inner fragrance being present in a concentration by weight which is less than or equal to 1.1 times the concentration of the outer fragrance.
Patent GB-2339368-A (GB)
Title: Data communications protocol with efficient packing of datagrams
Inventor: BEAVEN PAUL A
IPC: H04L29/10
Filed: 1998-07-08
Abstract: A data communications apparatus connected to a network through which datagrams flow from the data communications apparatus to at least one other data communications apparatus also connected to the network, the apparatus having: a means for receiving data which is to be transmitted over the network, such data being broken up into data records; and a means for packing the data records into datagrams for transmission over the network, including a means for assigning data records to datagrams; wherein the means for packing takes the data records out of sequential order when assigning data records to datagrams. <IMAGE>