baber/WOPTO huggingface dataset:
Patent GB-1255878-A (GB)
Title: Device for the extension of the vertebral column
Inventor: BARTHE HENRI
IPC: A61F5/01
Filed: 1969-12-12
Abstract: 1,255,878. Tension apparatus. H. BARTHE. 12 Dec., 1969 [14 Oct., 1969], No. 60845/69. Heading ASR. Apparatus for applying tension to the spine comprises a block 1 of a moulded material covered in a layer of anti-skid elastic material, and a second, smaller block (2) Fig. 2 (not shown) of similar construction mounted on a member 6 connected at an adjustable distance from the block 1, block 1 being slidably mounted on a member 4 which member carries apparatus for moving the block 1 in a controlled manner. The member 6 is connected, at each end, to bars 3' which bars are movable telescopically relative to bars 3 rigidly connected to the mounting means of the block 1, this movement being restrictable by the use of clamping screws 7. In use, the member 4 is preferably arranged in a vertical position and the neck is placed with the nape adjacent to the block 1, and the chin to the block (2). This assembly may then be raised, thereby applying tension to the spine, by means of a lever pivotally secured at 8 carrying a toothed sector 9' adapted to mesh with a rack 5' rigid with the block 1. A sliding bolt 10 is fixed to the sector 9' which cooperates through its tip with a toothed sector 11 rigid with the member 4. The lever 9 is adapted to be pulled downward by the patient, thereby raising the block 1, the bolt 10 maintaining the position. The tension may be released by compression of the handle 12 to the lever 9, the bolt thereby being withdrawn by the pulling on the cable 14. The member 4 may, alternatively, be placed in a horizontal position and attachments provided to secure the patient's feet to the member 4.
Patent GB-1215773-A (GB)
Title: Holograms
IPC: G03H1/20
Filed: 1968-12-23
Abstract: 1,215,773. Holography. INTERNATIONAL BUSINESS MACHINES CORP. Dec. 23, 1968 [Jan.15, 1968], No.61054/68. Heading G2J. A method of making a hologram viewable in white light comprises placing a conventional hologram 18 in contact with the top layer 16 of a multi-layered structure, which includes a layer  16 of photographic emulsion of the Lippmann type  backed by a layer of reflective metallic silver 14 bonded to a rigid smooth support 10, exposing the multi-layered structure from the unbacked side through the conventional hologram to a source of laser light 20, photographically developing the multi-layer structure, bleaching the developed multi-layer structure, re-exposing the bleached structure to the source of light but without hologram 18 and photographically developing the reexposed bleached structure to form a hologram viewable in white light. The layer 14 of metallic silver may be bonded to the support 10 by a layer 12 of gelatine. The laser 20 may be a source of either monochromatic or polychromatic light. The first exposure sets up standing waves in the emulsion layer 16. A desirable multi-layer structure has a gelatine layer 12, 5 microns thick, 700-2000 Angstrom thickness of metallic silver and a Lippmann emulsion layer 16, 5 to 25 microns thick. A holocoder (defined) may be used in place of the conventional hologram 18.
Patent GB-1273260-A (GB)
Title: Magnetic recording method and apparatus
IPC: G11B20/10
Filed: 1969-12-19
Abstract: 1,273,260. Data storage. INTERNATIONAL BUSINESS MACHINES CORP. 19 Dec., 1969 [13 Jan., 1969], No. 61992/69. Heading G4C.  A method of recording on a magnetizable medium digital information represented by amplitude transitions in a pulse waveform comprises developing from the waveform a recording current such as to bring the medium to a maximum or minimum flux condition for each transition whereby on reading by a transducer each transition is represented by zero voltage transducer output. In Fig. 2, a clock 62 produces four clock pulses per bit time of NRZ data input at 60, the first of the four being in step with the bit time beginning. The clock pulses are divided by triggers 66, 68 and also delayed one-eighth of a bit time at 64. AND gates 74, 72 produce timing pulses (two per bit time) and a data pulse for each 0 bit, respectively, each data pulse being midway between two timing pulses. Each timing and data pulse reverses a write trigger 78. On reading, without differentiation, each zero-crossing of the waveform corresponds to a transition in a frequency modulated signal representing the original data. Fig. 4 (not shown) shows a similar embodiment using more differently-delayed clock pulses and more gates feeding OR 76 so that three data pulses, closely spaced, are provided for each 0 bit, and the two adjoining timing pulses are slightly displaced outwards. The invention is applicable also to phase encoding, modified frequency modulation, modified NRZ encoding, or NRZ with sync. bits.
Patent GB-1279718-A (GB)
Title: A binary coded magnetic information store
IPC: G11C19/10
Filed: 1969-12-19
Abstract: 1279718 Magnetic storage arrangements COMPAGNIE INTERNATIONALE POUR L'INFORMATIQUE 19 Dec 1969 [30 Dec 1968] 62053/69 Heading H3B In a moving domain shift register, Fig. 1A, parallel propagation channels 3, 4 extend over a substrate, and are overlaid by a pair of zig-zag conductors 1, 2 which cross one another at 90 degrees and which cross the channels at 45 degrees. These conductors are pulsed to move domains along the channels, and the channels may be bridged as at 5, Fig. 1A, and Fig. 2 (not shown), to form closed loops or a long propagation path. Conventional conductors loops (not shown) are used to generate and detect the domains. Three channel structures are shown in Fig. 3, the left hand view showing a film of magnetic material 10 on a glass substrate 13, an apertured aluminium film 11 defining the channel shape, and insulating material 14, 15 separating the conductors 1, 2. In the central view of Fig. 3, the channel is formed of magnetically hard and soft films 10, 21 respectively, separated along the line of the channel by insulating material 12. In the right hand view of Fig. 3, the magnetic material 3 is deposited directly on to the substrate. The deposition of the films is accompanied by a magnetic field so that the films are magnetically anisotropic.
Patent GB-713873-A (GB)
Abstract: 713,873. Calculating-apparatus. AKTIEBOLAGET DIXMA. Jan. 11, 1952, No. 945/52. Class 106 (1) A ten-key setting mechanism for a calculating machine comprises key-set stop-bars, e.g. 12 and 14, extending across an ordinal series of setting discs 21, with the bars integrally connected together in pairs so that either bar of a pair can be brought into the operative stop position by rocking the pair in either direction. The mechanism shown has two series of setting discs A and B (Fig. 2) arranged side by side on a common shaft 19, the one set of stop-bars extending across and controlling both series. The series B (Fig. 4) is tabulated towards the series A during setting; the series A (Fig. 5) is stationary and a release lever is tabulated to release the discs in succession. The bars 12 and 14 of a pair are connected by a stirrup 10 and pivotally mounted at 16. An actuating lever pivoted at 2 has a pin-and-slot connection with the stirrup, and can be rocked clockwise or counter-clockwise from the normal position shown by engagement of either of two keys with studs 3'1 and 32, this positioning'the bar 14 or 12, respectively in effective stop position. As regards. the mechanism B (Fig. 4) key depression also rocks a release lever 44 which trips a lock lever 37 for the appropriate disc 21 which thereupon moves under spring action until arrested in differentiallyset position by engagement of tooth 23 thereon, with the effective bar 12 or 14. Key depression; also trips a detent 46 to release the series of discs for step wise tabulating movements, the release lever 44 being mounted on a stationary, pivot and the tails 41 of the lock levers 37 being brought into co-operative relationship with it in succession. Release of the stationary series of discs A (Fig. 5) is similar except that the release lever 49 is mounting for tabulating movement on a step-wise sliding carriage 56 in order to effecti release of the discs in succession. Multiplying and dividing apparatus.-The two mechanisms A and B may be employed for setting multipliers and multiplicands, or divisors and dividends.
Patent GB-724181-A (GB)
Abstract: 724,181. Counting-apparatus; transfer mechanism; zeroising-mechanism. RIZZIERI, I. Feb. 23, 1951 [Feb. 25, 1950], No. 4514/41. Class 106 (1). A calculating-machine register, arranged for simultaneous actuation and transfer, comprises elements each including a rotatable numeral wheel 1 having an annulus gear 2, a coaxial rotatable carrier 5, a coupling member 7 rotatably mounted thereon and having an annulus gear 6 and a gear 8 adapted to be engaged by the actuating means, meshing pinions 3, 4 on the carrier engaging gears 2, 6 respectively, and a tens-transfer gear 10 rigidly connected to the carrier and engaged by a transfer pinion 13 actuated by means associated with the next lower element. As shown, the transfer mechanism comprises star-wheels 14, 141 fixed to pinion 13 and respectively coacting with a heartshaped cam 12 and locking disc 11 fixed to wheel 1. Zeroizing is effected by rocking lever 16, Fig. 7, which rotates the cams 12 until the faces 16<11> contact the flats 12<11>, the transferpinion-shaft 13<1>, mounted by lever 20 for rotation about shaft 19, being moved away from the register wheels by a lever 21 actuated by a cam 78 on the lever 16. Specification 723,311 is referred to.
Patent GB-777818-A (GB)
Abstract: 777,818. Automatic control systems for gyroscopes. MINISTER OF NATIONAL DEFENCE OF CANADA. Feb. 4, 1952 [Feb. 27, 1951], No. 2957/52. Class 38 (4). In a gyro-vertical erecting system mounted in an aircraft, the angular position of gyro vertical axis is compared with that of the apparent vertical and a misalignment signal is applied, through a filter, to an erecting motor. As shown, Fig. 1, the gyroscope, 1, is positioned by torque motor, 22, energized through the filter 21 from signals corresponding to the misalignment between the pendulum 7 and the gyroscope. The filter consists of flywheel 23 and eddy current damping disc 31. The filter output is fed back to the input and periodic signals are neutralized. Precession torques corresponding to the earth's rotation may be applied to the gyroscope by means of generator 39. A platform carried by the aircraft may be stabilized by the combination of a signal from the filter and a signal from a peak-off between the gyroscope and the aircraft frame. In a second embodiment, Fig. 3, the gyroscope, 52, is mounted on platform 53 and positioned by torque motor 57. The platform is positioned by motor 59. Accelerometer 58 measures the acceleration component parallel to 53 and perpendicular to the roll axis. Pick-off 56 measures the displacement between 52 and 53. The signals from 58 and 56 are applied in opposition to 59 which positions 53 so as to make the signal output from potentiometer 48 proportional to angle between 52 and 53. The output signal of 48 and its integral are applied to 57 which rotates the gyroscope 52 into correct alignment with 53 which is then made horizontal by 59. An electro-mechanical filter 40, 41 is inserted in the 58, 59 control loop and generates first and second differentials of the variables.
Patent GB-2003371-A (GB)
Title: Direct-coupled reversible tractor plough
IPC: A01B3/421
Filed: 1978-08-25
Abstract: The plough comprises a forecarriage (2) which can be coupled to the linkages of the tractor and on which the plough frame (4) is pivoted, a swivel (11) which permits reversal of the plough, a fluid cylinder (16) for effecting reversal of the plough and a fluid cylinder (12) for displacing the frame (4) relative to the forecarriage (2) about an axle (5) which is disposed vertically when the plough is in its working position. The frame (4) is connected to the forecarriage (2) via a slide arrangement (8,9) which permits parallel displacement of the frame relative to the forecarriage and the cylinder (12) for displacing the frame is operable independently of the reversing cylinder (16). A fluid control circuit including check valves (20, 21, 24) and throttle (23) ensures reversal of the plough begins only upon completion of the angular displacement of the frame and that such angular displacement is reversible only after plough reversal is completed, the displacement being limited by adjustable stops (6, 14). <IMAGE>
Patent GB-2002905-A (GB)
Title: Liquid level indicator apparatus
IPC: G01F23/292
Filed: 1978-09-07
Abstract: Apparatus for indicating the level 32 of liquid in a tank using fibre optics in which an elongate prism or an elongate series of prisms 20 is arranged other than parallel to the surface of the liquid. Optic fibre elements 18, 26 terminate at the prism or prisms which are between ends of the elements in the optical path defined by the elements leading from a lamp 12 to an indicator station 30. Liquid level is indicated by the illumination of ends 28, of one series of elements according to which prisms or which part of the prism is in the liquid. In an alternative, floats are arranged to interrupt the optical path between ends of the fibre elements. The principal use of the invention is in road petrol tankers to reduce fire hazards. <IMAGE>
Patent GB-2006383-A (GB)
Title: Flowline Support and Guide
IPC: E21B43/01
Filed: 1978-10-02
Abstract: A structure for installation at an offshore location for supporting a flowline between a substantially horizontal position and a substantially vertical position has a curved guide for the flowline, the curved line being adapted to accommodate thermal expansion of the flowline caused by oil or gas, the curved guide either (i) being tubular herein referred to as a J tube, and adapted to accommodate said thermal expansion by being flexible or by having a portion of its length of open cross section, or (ii) adapted to accommodate said thermal expansion by having one or more channels of open cross section to permit lateral movement of the flowline away from the guide.
Patent GB-2034870-A (GB)
Title: Heat exchangers
IPC: F28F9/22
Filed: 1978-11-18
Abstract: A shell-and-tube pack heat- exchanger with baffle means has the nest or pack of tubes (3) fastened to perforated end walls (2) within a peripheral wall, the shell (1) and the tube nest therein being divided, by means of one or more baffles (4) extending parallel to the tubes' axes, into spaces or zones bounded by the perforated end walls, said baffle or baffles, and the peripheral wall. Inlet and outlet openings (7, 8,) in the peripheral wall provide for flow of the medium through said spaces successively and for flow through each space perpendicularly to the tubes' axes. <IMAGE>
Patent GB-2011941-A (GB)
Title: Liquid crystal mixtures
IPC: C09K19/44
Filed: 1978-11-28
Abstract: A liquid crystal mixture having a twisted nematic phase consists of a first compound of the formula (1) or (2> <IMAGE> in which R<1> is an alkyl group having 1 to 10 C atoms in a virtually straight chain, R<2> is an alkyl or alkoxy group having 1 to 10 C atoms in a virtually straight chain and m is 2 or 3, a second compound of the formula (3> <IMAGE> in which R<3> is an alkyl group having 1 to 10 C atoms in a virtually straight chain and n is 1 or 2; and at least one further, different, compound according to formula (1), (2) or (3). The mixture has a positive  DELTA  epsilon  value, a  DELTA n value of generally at least 0.2, is chemically stable and nematically liquid-crystalline at least from zero to 65 DEG C and is suitable for commercial LC displays having a twisted nematic phase.
Patent GB-2013410-A (GB)
Title: A rotary electrical machine having a self-braking rotor
IPC: A01D34/68
Filed: 1978-12-04
Abstract: The rotor (2) is keyed to and can slide along the shaft (3) of the machine, and has at one end a friction surface (10) which, through the action of gravity or a spring if the motor is used horizontally, contacts a friction lining 12 when current to the machine is removed. When current is restored magnetic forces tend to centre the rotor in the stator and so lift it off the friction lining. Several configurations of friction surfaces and linings are disclosed, e.g. mounted on fan-blades 9 or on extensions of sleeve(s) 6. The machine may be used in a piece of equipment having a rotary cutting member, such as a lawn mower. <IMAGE>
Patent GB-2036840-A (GB)
Title: Improvements in and Relating to Sealing Strips
IPC: E06B7/23
Filed: 1978-12-13
Abstract: A sealing strip is disclosed, for use, for example, for draught- excluding and weather-proofing purposes on a motor vehicle body. The strip has a base portion (5A) eg of rubber, which has two recesses (10A, 12A) running the length of the strip. A respective length of adhesive (14, 16) is placed in each of these recesses and covered with a respective covering tape (18, 19). The strip also includes a circular seal portion (5B) made of softer rubber. To secure the sealing strip in position, the coverings (14, 16) are peeled off and the strip then placed into position on the vehicle body. The adhesive may alternatively be of the type which is normally inoperative but can be rendered operative subsequently by applying a solvent to it. In such a case, the coverings (14, 16) are not necessary. In another embodiment the recesses are omitted and in a further embodiment the adhesive is replaced by magnetic tape. An inextensible material 20, eg glass fibre is embedded in the strip.   <IMAGE>
Patent GB-2011357-A (GB)
Title: A Container
IPC: B65D5/44
Filed: 1979-01-22
Abstract: A container 25, suitably for transporting fruit or vegetables, comprises a body 26, e.g. of cardboard, having a rectangular bottom panel 1a and a pair of opposed side panels 1b, 1c, and rigid end frames 33, e.g. of wood, at opposite ends of the container. Each side panel, and optionally the bottom panel, have a separate flat, e.g. 1d, 1f, 1h, integrally joined to them at each end of the container, which flaps are folded to define, with the end frames, the end walls of the container. At least one of the flaps, e.g. 1d, at each end of the container, embraces at least part of its associated end frame and is engaged with the sheet material to retain the end frame in position and the side panels in upwardly extending states. <IMAGE>
Patent GB-2018028-A (GB)
Title: Temperature detector cable
IPC: H01H37/76
Filed: 1979-03-20
Abstract: In a linear temperature detector in cable form comprising two conductors, at least one of them having a coating of insulating material that melts under the conditions to be detected, assembled together so that they come into resilient contact and produce a short circuit when the insulating coating melts, at least one of the conductors is constituted by a metallic tube filled with compacted insulating mineral powder having embedded in it at least one auxiliary conductor.
Patent GB-2045332-A (GB)
Title: Vehicle Security Arrangement
IPC: B60R25/08
Filed: 1979-03-24
Abstract: A security arrangement for preventing a parking brake lever 13 from being released is mounted on the brake device by the same bolts (16) as to secure the device to a part of the vehicle, and has an obstructing member 19 operable by a key- operated cylinder lock (23).   The vehicle may be a tanker, in which case a key holder is provided to receive keys for bulk loading and unloading valves, the keys being releasable from the holder only upon the holder receiving the key of the brake security arrangement. The security-arrangement key can be removed therefrom only when lever 13 is at the "brakes on" position and obstructing member 19 has been moved to prevent further movement of lever 13; this prevents operation of the tanker valves unless the vehicle has its brakes on. <IMAGE>
Patent GB-2026907-A (GB)
Title: Cutter blades for crushing machines
IPC: B02C18/18
Filed: 1979-06-14
Abstract: Cutter blades 4 for crushing machines of the kind in which a plurality of cutters is mounted on two parallel shafts arranged to be driven in counter- rotation, and in which each blade has flat end faces with protrusions 10, 11 and recesses distributed regularly around the blade circumference in alternate succession, are made of a high grade flexible steel with the outer edge of the protrusions 10, 11 and recesses having an insert 13 of hard material formed by building-up welding and providing a cutting edge over the entire periphery. <IMAGE>
Patent GB-2053505-A (GB)
Title: Scanning Beam Deflection Amplifier
IPC: G02B26/10
Filed: 1979-07-10
Abstract: The deflection of a light beam 10 is achieved by directing the beam on to a scanning mirror 12 and this deflection is amplified by returning the beam to the mirror 12 at least once by means of beam reflection devices, e.g. lens(es) 16 and 20 and mirrors 14 and 18 as shown. <IMAGE>
Patent GB-2030221-A (GB)
Title: Anti-pollution silencer for internal combustion engines
IPC: F01N3/02
Filed: 1979-08-03
Abstract: Turbulence chambers 5 are provided which contain thin plates provided with points 7 and optionally with slim metallic elements enclosing graphite or ferrite cores. The latter heated to high temperatures by the combustion gases coming from the engine, so as to form sources of oxidation for combustible components of the exhaust gases. <IMAGE>
Patent GB-2057343-A (GB)
Title: Die for a melt blowing process
IPC: D04H1/56
Filed: 1979-09-06
Abstract: In an improved die-nose assembly for a melt-blowing process wherein molten resin is extruded from a series of die-holes while heated gas is blown out through slots on either side of the die nose thereby forming a stream of fine fibres in high speed gas, spacers which are movable widthwise of the die assembly are provided in the gas slots to provide effective uniformity in the gas streams across the width of the die.
Patent GB-2036492-A (GB)
Title: Digital synchronizing signal generator with variable pulse width
IPC: H04N5/067
Filed: 1979-09-27
Abstract: In the prior art a digitally generated signal, especially a synchronising pulse signal for a television system, has its positive and negative going edges both timed by positive going edges of clock pulses having a frequency which is a multiple of the frequency of the required synchronising pulse. As a result, the synchronising pulse is of fixed duration or width. In the embodiment of the invention which is described, the width of the clock pulses (generated by oscillator 100) is made variable and the positive going edge 02 of the synchronising pulse f'h (output from circuit 110) is timed by one edge of a clock pulse while the negative going edge 01 of the synchronising pulse is timed by the other edge of a clock pulse. Consequently by varying the width of the clock pulses an adjustment of the interval between the positive and negative going edges of the synchronising pulse may be achieved, hence adjusting the synchronising pulse width. <IMAGE>
Patent GB-2042629-A (GB)
Title: Fuel Pumping Apparatus
IPC: F02M41/14
Filed: 1979-12-21
Abstract: A fuel pumping apparatus for a compression ignition engine includes a fluid pressure operable piston 25 for determining the timing of delivery of fuel. Fuel control means is provided which includes an engine cold start lever (23) operable to increase the idling speed of the engine when cold. The apparatus also includes a mechanism coupled for operation by said lever to achieve from the hot idling position retarding the timing of delivery for starting and advancing of the time of delivery for cold idling. The mechanism includes a pair of members 32, 34 the one member 34 being movable by a lever coupled to said cold start lever and the faces of the members having tang and slot connections in their presented faces and the other member 32 and the end of the piston 25 having further tang and slot connections. The slot of one of said tang and slot connections being of varying depth. <IMAGE>