baber/WOPTO huggingface dataset:
Patent GB-1298819-A (GB)
Title: Digital-analogue converter
IPC: H03M1/00
Filed: 1969-12-18
Abstract: 1298819 Digital-analogue converters TEXACO DEVELOPMENT CORP 18 Dec 1969 [24 Dec 1968] 61798/69 Heading G4H In apparatus for converting to compressed dynamic amplitude analogue form digital signals representing the mantissa A and exponent E in the equation Q= ŒAG<SP>-E</SP>, where G is the radix, the analogue output is of the form Q = Œ(F+A) # . F may have the value   (B-1)/(G-B) but in the apparatus described (Fig. 3) (G-B) F = 1, B = G/2 and #(E) = E when E = 1, 2, 3   or 4 and F = 0, B = G/2 and #(E) = 4when E = 5. The apparatus may be used for analysing the signals derived by digitizing seismic signals from geophones. The digital signals in 18 bit floating point coded form (a sign bit, 3 bits representing the exponent and 14 bits representing the mantissa) are stored in register 20. The bits representing the exponent are converted to a signal on one of five leads V 1 -V 5  to control switches SV1-SV5 in a resistor network, the sign bit determining the polarity of the signal applied to the network which generates an analogue output signal having four absolute values (SV4 and SV5 giving the same output). The analogue signal representing 2#<SP>(E)</SP> is fed via amplifier 30 to a ladder network having switches S1-S14 controlled by the 14 bits representing the mantissa. A further switch SO is controlled by the signal on lead V 5  to be connected to the amplifier output when E does not equal 5 and disconnected when E = 5 so that the output of ladder network has the form Q = Œ(1+A)2<SP>-E</SP> for E = 1, 2, 3 and 4 and Q = ŒA2<SP>-4</SP> for E = 4. This signal is fed to oscillograph 32.
Patent GB-1260438-A (GB)
Title: Apparatus for tending to eliminate a speed differential if it occurs between two interconnected vehicles
IPC: F02M57/02
Filed: 1969-12-24
Abstract: 1,260,438. Driving trailer wheels. MITSUBISHI JUKOGYO K.K. 24 Dec., 1969 [25 Dec., 1968], No. 62953/69. Heading B3H. The speed differential between two interconnected vehicles, e.g., a tractor and trailer is controlled by sensing means responsive to relative movement between two parts each movable with one of the two vehicles to adjust the speed of the towed vehicle. As shown, a tractor 2 tows a trailer 7 through a draw bar 3 and trailer hitch 6. A detector 5 having a spring urged plate (6a) Fig. 3 (not shown) actuates a lever 18, Fig. 1, which controls a valve 11, in response to the speed differential between the tractor and trailer, to adjust the flow of oil between a hydraulic pump 25 and a motor 10 which drives the trailer wheels 8. In a modification, Figs. 7 and 8 (not shown) a lever (18<SP>1</SP>) adjusts a variable displacement pump (33).
Patent GB-2002544-A (GB)
Title: Automatic gauge control in tandem strip mills
IPC: B21B37/16
Filed: 1978-08-04
Abstract: An apparatus, for automatically controlling the gauge of metal strip rolled in a tandem strip mill, incorporates load cells, installed on a first stand, which generate signals representative of changes in the roll- separating force, and hence of gap error, at this stand, which signals are fed-forward, with a delay to allow for transport time of the strip minus screw-reaction time, to a second stand to effect screw adjustment of the latter. Signals representative of gap error at the second stand, corrected for changes in the position of the screws at the second stand, are fed-forward to effect screw adjustment at a third stand, etc. The screws of the first stand are maintained at their original setting, while the adjustments in the screws of succeeding stands are being made.
Patent GB-2003648-A (GB)
Title: Nuclear reactor core arrangement
IPC: G21C1/00
Filed: 1978-08-14
Abstract: A nuclear reactor core consisting of a number of fuel elements, some of which are adapted to receive control rods for reactivity control in the core. Dependent on location in the core, the control rods have different control worths. At least one of the fuel elements receiving a control rod with the highest control worth includes mixed-oxide (plutonium-uranium) fuel while the other fuel elements have only uranium fuel. With this arrangement, increased amounts of mixed oxide fuels may be utilized with no loss in safety margin.
Patent GB-2008661-A (GB)
Title: Combination Lock
IPC: E05B37/08
Filed: 1978-10-23
Abstract: A combination lock includes an over-centre mechanism for moving the fence 6 of the lock between two alternative positions with a snap action, the over-centre mechanism comprising a lever arm 16 secured to the fence 6 and turning about a pivot 17 on the bolt assembly 14 and a stressed spring 18 connected at one end 19 to the lever arm and at the other end 20 to a member 24 capable of movement between two positions in relation to the bolt assembly. In one of the two positions the line of action of the spring 18 passes to one side of the pivot 17 of the lever arm and in the other position it passes to the other side of the pivot 17, so that when the member 24 moves from one position to the other the lever arm 16 is biased to move the fence 6 from one alternative position to the other. The member 24 is controlled by, rotation of the dial D of the lock in such a way that the fence 6 remains in the first of its two positions for the majority of a revolution of the dial D, being moved to the second position, in which it is capable of responding to the gates 4 in the combination wheels 3, only for the remaining small fraction of a revolution. <IMAGE>
Patent GB-2012598-A (GB)
Title: Handheld electronic games
IPC: A63F3/00
Filed: 1978-12-01
Abstract: A handheld game comprises an electronic unit with a microprocessor for automatically generating a random number, receiving input from keys 4 of trial numbers by a user, comparing said random number with said trial numbers, and controlling display means 3 for indicating the results of said comparison; and means for automatically recording the number of comparisons made by said comparator means. Each trial number is written on erasable strip 11 and then keyed in to the unit. A two-digit response at 13 shows (a) the number of digits correct in value and position, and (b) the number of digits correct in value and wrongly positioned. <IMAGE>
Patent GB-2041030-A (GB)
Title: Compound Paper
IPC: D21F11/04
Filed: 1979-02-02
Abstract: A multi-ply wet-formed cellulosic web is formed by depositing a succession of plies on a first forming wire (10), dewatering and removing each ply from the wire before the next ply is formed thereon, and transferring the removed plies successively one on top of the other onto a second forming wire (11) to provide the multi-ply web. At least one ply may be formed by feeding cellulosic stock from a pressure former onto a region of the first forming wire stretched over a convexly curved vacuum dewatering box (Figure 3). <IMAGE>
Patent GB-2030558-A (GB)
Title: Treatment of buildings for demolition
IPC: B08B17/00
Filed: 1979-02-05
Abstract: Buildings (or parts of buildings) of masonry are treated to reduce dust during demolition by thoroughly soaking the masonry to be demolished internally and externally with water, and applying a solid, fine-particled, hygroscopic salt, in which a non-ionic wetting agent is incorporated, to the soaked masonry.
Patent GB-2017596-A (GB)
Title: Sail Powered Skateboard
IPC: A63C17/26
Filed: 1979-05-01
Abstract: A skateboard has a rig comprising an unsupported mast (6) mounted for universal pivotal movement to the skateboard platform (1). A boom (25) is divided into two angular boom parts which lie on each side of a sail (35), the boom parts being connected at their inner ends to the mast (6) and at their outer ends to one another. The boom parts, starting from their inner ends, diverge away from one another to elbows (32), beyond which they converge towards one another again. Each elbow (32) of the boom (25) is provided with a wheel (33) rotatably mounted about an axis (34) which is substantially vertical when the rig is erect so that if the rig falls over sideways, a respective one of these wheels (33) will engage the ground to protect the rig. <IMAGE>
Patent GB-2023231-A (GB)
Title: Load raising devices
IPC: B66F7/16
Filed: 1979-06-20
Abstract: A load raising device including upper and lower platforms (1, 3) and at least one air bag (5) connected between the platforms in such manner that the sole connection between the platforms (1, 3) is provided by the air bag on bags (5). The upper platform is raised or lowered relative to the lower platform by inflation or deflation of the air bags. A control valve (7) enables selective control of the feed of pressurised air to and from the air bags. <IMAGE>
Patent GB-2050847-A (GB)
Title: Billiard table
IPC: A63D15/00
Filed: 1979-06-22
Abstract: A billiard table comprises four, five or six numbered pockets (20) along each pair of long sides and having no pockets in any of the corners nor along the short sides. <IMAGE>
Patent GB-2036014-A (GB)
Title: Preparing 2-phenyl-s-triazolo [5,1-a]-isoquinoline Derivatives
IPC: C07D471/04
Filed: 1979-10-29
Abstract: A 2-phenyl-s-triazolo 5,1-a isoquinoline compound is prepared by reacting an isoquinolinium-2-imide with a benzonitrile.
Patent GB-2062971-A (GB)
Title: Heat sink printed circuit board
IPC: H05K7/20
Filed: 1979-11-08
Abstract: To provide heat dissipations for electrical and especially electronic equipment a heat sink (1) is rectangular and of a size to fit into the card guides of an equipment rack. This heat sink has a pair of parallel edges (10) suitably formed to be received by such card guides and has cooling fins on one face. The other face of the heat sink (1) in one embodiment bears electrical components and/or circuit units in heat conductive but not electrically conductive relation with the metal of the heat sink. In another alternative the components and/or circuit units (4) are supported by a board which may be part of an interconnect "sandwich" 12 bonded to the other face of the heat sink. <IMAGE>
Patent GB-2037927-A (GB)
Title: A Method of and Means for Making a Picture Frame
IPC: A47G1/10
Filed: 1979-11-15
Abstract: A clip (10) for use in making a picture frame, that is to say for fitment at a corner of the frame to hold adjacent frame pieces (12 and 14) together, the clip having a pair of flanges (20) constituting claws for engagement in grooves (26) in the frame pieces. Each flange has an inclined piece (28) adapted to allow the clip to be slid into position but to dig into the wood of the frame to resist the release of the clip. <IMAGE>
Patent GB-2038810-A (GB)
Title: Phenoxyphenoxypropionic acid derivatives, process for their preparation, herbicidal compositions containing them and a method of controlling weeds using them
IPC: C07C69/712
Filed: 1979-11-19
Abstract: R-isomers of compounds of the general formula   <IMAGE> in which n and n' independently represents 0 or an integer of 1 to 3; each R independently represents a halogen atom, a methoxy group or an alkyl group having 1 to 4 carbon atoms; each R<1> independently represents a halogen atom or a methyl group; and R<2> represents a group of the general formula OR<3>, SR<4>, NHR<5> or NR<6>R<7>, in which R<3> represents one equivalent of a salt- forming cation, a hydrogen atom, an alkyl group having from 1 to 10 carbon atoms, a trichloroethyl group, an alkenyl group having from 2 to 4 carbon atoms, a cyclohexyl group optionally substituted by one or more methyl groups, a cyclopentyl group, a phenyl group optionally substituted by one or two halogen atoms, or a benzyl group; R<4> represents an alkyl group having from 1 to 6 carbon atoms, a phenyl group optionally substituted by one or two halogen atoms, or a benzyl group; R<5> represents a hydrogen atom, an alkyl group having from 1 to 4 carbon atoms, a phenyl group optionally substituted by one or more substituents selected from halogen atoms and -CF3, -OCF2CF2H and -CO2CH3 groups, or a benzyl group; R<6> represents an alkyl or alkoxy group having from 1 to 4 carbon atoms; have useful selective herbicidal properties, especially against grass-like weeds in barley.
Patent GB-2036473-A (GB)
Title: A Current Regulator Circuit, in Particular for Charging an Emergency Power Supply Unit at Constant Current
IPC: H02J7/02
Filed: 1979-11-20
Abstract: A circuit for charging a storage battery (10) at constant current by means of a transformer (T) whose primary winding (12) is connected to an AC mains (11) and whose secondary winding (13) feeds a rectifier bridge (14). The storage battery is connected, at the output of the rectifier bridge, in series with a resistor (15) and a light bulb (16). A transistor (18) has its emitter-collector circuit connected in series with a resistor (19) and this series connection is connected in parallel with the light bulb (11). The transistor base is biased by a voltage divider chain (20, 21) connected between one pole of the battery and the output of the rectifier bridge. While the bulb is in order it acts both as a pilot lamp and as a regulator device to ensure substantially constant current charging of the battery. The transistor is then off. If the bulb filament breaks, the transistor is biassed to become conductor to maintain adequate charging current through the battery. <IMAGE>
Patent GB-2066343-A (GB)
Title: Improvements in or relating to a clip
IPC: F16B2/02
Filed: 1979-12-13
Abstract: A clip comprises two jaw members, 1, 2, each having jaw forming portions 5, the jaw members being flexibly mounted on a base 3. A strap 11 on which the clip is mounted comprises a loop 8 surrounding projections 9 on the jaw members so that as a higher tension is applied to a member grasped by the jaws at 7, a corresponding force is applied to the strap loop forcing the jaws together. <IMAGE>
Patent GB-2174177-A (GB)
Title: Attacking ground targets
Inventor: VON MAYDELL IGNAZ
IPC: F41G9/02
Filed: 1979-12-21
Abstract: When attacking ground targets from an airborne weapons carrier (1) with a projectile 3 launchable rearwardly at angle  alpha  from a firing device 2, the horizontal component -Vh of the projectile ejection speed Va and the forward velocity Vh of the carrier are made equal in magnitude. A substantially vertical descent path is obtained, which counteracts errors in determining altitude H. A computer 5 may determine firing time tz in accordance with a residual difference between Vh and a pre-selected value of -Vh, and may control an autopilot 14 which maintains Vh and H constant. Target distance Ez may also be fed to the computer 5, so that a pre-selected distance the flight velocity controls of the autopilot are actuated. <IMAGE>
Patent GB-2044039-A (GB)
Title: Digital signalling receiver for receiving PCM tones
IPC: H04Q11/04
Filed: 1980-02-13
Abstract: A digital signalling receiver translates pulse code modulated (PCM) tone signalling into a signal format compatible with a controller in an associated time division multiplex (TDM) telephone switching facility. In the receiver, steering signals are generated in synchronism with the operation of the switching facility to direct the operation of a time shared filter. The filter performs a plurality of filter functions with a series of PCM signals received from the TDM switching facility and generates therefrom series of filter signals relative each of the filter functions. A translator identifies two filter signals having larger amplitudes than the others and if the two signals persist substantially uninterrupted (a) through a predetermined period of time, (b) within a predetermined relative amplitude range and (c) one of the two signals having at least a predetermined signal to noise ratio relative another filter signal corresponding to an allpass filter function, the translator indicates the receipt of multifrequency signalling by generating the appropriate signals in the required signal format.
Patent GB-2072130-A (GB)
Title: Device for storing frozen plasma
IPC: A01N1/02
Filed: 1980-02-26
Abstract: A device suitable for storing plasma comprises an elongate container having along its length a plurality of compartments interconnected by necks of reduced cross-sectional area. Plasma is introduced in liquid form into the container and then frozen therein. When an aliquot of plasma is required, the container is cut at an appropriate neck and the plasma in that part of the container which is cut off is then thawed, whereas the plasma in the other part of the container is kept frozen for future use. <IMAGE>
Patent GB-2044768-A (GB)
Title: Preparation of 1,1,1,4,4,4- hexofluorobutyne
IPC: C07C17/00
Filed: 1980-03-06
Abstract: A process for the preparation of F-2-butyne which can be polymerized to yield fluorinated polymers of high thermal stability which comprises contacting F-cyclobutene with a source of fluoride ions, preferably caesium fluoride, under anhydrous conditions at a temperature of from 450 DEG C to 650 DEG C, for example by passing the F-cyclobutene through a heated tube packed with the source of fluoride ions.
Patent GB-2054250-A (GB)
Title: Electric storage batteries
IPC: H01M50/414
Filed: 1980-05-08
Abstract: A recombinant lead acid electric storage battery in which the plates in each cell are separated by electrolyte and gas permeable compressible fibrous separator material comprising organic polymeric fibres, the separator material having an electrolyte absorption ratio of at least 100%. The separator is made of microfine polyester fibres and has a wicking action.
Patent GB-2051596-A (GB)
Title: Gas-to-liquid condenser
IPC: B01D5/00
Filed: 1980-05-20
Abstract: A condenser for conversion of gas into liquid in a chemical cleaning machine is disclosed, the condenser comprising a closed vessel (1) for flow therethrough of a liquid coolant (7). Arranged in the vessel (1) is a heat exchanger which is connected in a liquid- and gas-tight manner with the vessel (1). A divided entry chamber member (10) is mounted at the one end of the vessel (1) and a divided exit chamber member (19) at the other end of the vessel (1), the arrangement being such that the gas can be blown by a blower from the entry chamber member (10) through the heat exchanger and into the exit chamber (19). A condensate outlet duct (29) is provided. <IMAGE>
Patent GB-2051680-A (GB)
Title: Transfer printing
IPC: D06N7/00
Filed: 1980-06-04
Abstract: To produce a printed laminate, such as a floor covering, a resilient base layer and a wear layer are bonded together under the action of heat and at the same time a printed transfer sheet, by virtue of the said heat, releases its printed pattern on to the upper surface of the wear sheet. A release layer between the transfer sheet surface and the printed pattern ensures the ready release of the printing ink and prevents the transfer sheet from bonding to the wear sheet.
Patent GB-2056549-A (GB)
Title: Latching containers
IPC: A45C13/10
Filed: 1980-07-10
Abstract: The latch mechanism of a catch-releasable container, preferably a flat container such as a powder compact 1, 2, is made up of a thumb 7 element together with a separate wire spring 14. The latch is preferably used with rectangular shaped powder compacts and the spring may have an extension 18 by which the powder compact element may be released from a well 12, on further actuation of the element. Preferably a portion 15 of the spring 14 is held under compression. The method of assembly of the container involves resting the spring 14 on a ledge defined by corners 11b of the powder tray 11 and urging the tray into position to transfer the spring 15 into engagement with the catch 7. <IMAGE>
Patent GB-2087345-A (GB)
Title: Lowlift pallet truck
IPC: B66F9/12
Filed: 1980-08-08
Abstract: In a lowlift pallet truck the fork- supporting wheels, rollers or skids are automatically lowered and raised in use by mechanical pivotal linkages, one end of the or each such linkage is pivotally secured at 73 to its associated fork 59 of the truck whilst the other end in the form of a cam link 75 of the linkage bears against, but is not secured to, a surface 42 on the frame of the truck and moves in a combined pivoting and sliding motion against said surface 42 to cause the linkage to operate when the or each fork 59 moves up and down relative to the truck frame; and the or each fork and its associated linkage is readily detachable from the truck as a single sub-assembly. The main bar of the fork-roller-lowering linkage is a hollow tube pivoted at 74B to the cam-link 75, and the linkage is so designed that the tube is placed in compression when the forks 59 of the truck are being raised. The main drive motor, driven and steerable wheel or wheels, steering gear, and braking gear of the truck constitute a single sub-assembly which is readily detachable from the rest of the truck. The truck may be an auxiliary truck designed for use with a parent lift truck. <IMAGE>
Patent GB-2060679-A (GB)
Title: Process and Plant for the Gasification of Solid Carbonaceous Substances
IPC: C10J3/54
Filed: 1980-09-24
Abstract: In the process a portion of the methane of the product gas is decomposed under the action of steam, to obtain the hydrogen containing gasification agent, at least a predominant portion of the decomposition apparatus being heated by the heat of combustion of the residual coke produced during gasification. The residual coke originates from a fluidized layer reactor (14) whereby gasification and combustion are adjusted to one another. Also the use of such a reactor (14) allows for compact construction and thus lower prime costs. Further by means of a fluidized layer reactor (14) a uniform temperature is maintained over the entire fluidized layer so that there is no risk of overheating particular regions of the decomposition apparatus (26). <IMAGE>
Patent GB-2087759-A (GB)
Title: Method of producing metal strip combs, particularly for yarn
IPC: B21D28/06
Filed: 1980-11-20
Abstract: A method of manufacturing strip combs, which find application particularly in yarn preparation, for example in needle-bar combers, comprises a punching process by which combs (11, 12) are manufactured from steel strip. This process consists in punching an opening, which forms the interstices (16) between two neighbouring comb teeth (14) directed with their points towards each other, in a metal strip (10) perpendicularly and centrosymmetrically to its longitudinal axis, the strip being twice the width of a finished strip comb. This punching is repeated after each advance of the strip (10) through the pitch distance of the teeth (14). <IMAGE>
Patent GB-2091960-A (GB)
Title: High speed frequency synthesizer
IPC: H03L7/197
Filed: 1981-01-27
Abstract: A phase locked looped type frequency synthesizer suitable for frequency hop applications and utilizing a reference signal 2 fr comprises a voltage controlled oscillator (20) and a phase detector (12) which receives a reference pulse signal and compares that to the output signal fo of the voltage control oscillator after suitable division by a programmable divider (22), said detector applies a frequency control voltage to said oscillator wherein the division ratio of the programmable divider is an integer or non-integer thereby allowing an increasing of the reference frequency and a decreasing of the settling time of the system without a need to increase the channel spacing. Circuitry 26-30 causes the division ratio of divider 22 to be N/X, when N is even and to alternate between (N + 1/X) and (N-1/X) when N is odd, where X is an integer less than N. Sidebands at the reference frequency and multiples thereof appearing at the phase detector 12 output when N is odd are eliminated by use of circuits 32, 34. <IMAGE>