baber/WOPTO huggingface dataset:
Patent GB-1404630-A (GB)
Title: Automatic equalizer
IPC: H03H7/01
Filed: 1972-12-29
Abstract: 1404630 Adaptive transversal equalizers INTERNATIONAL BUSINESS MACHINES CORP 29 Dec 1972 [10 Jan 1972] 60158/72 Heading H4R The error signal used to cause adjustment of the tapped outputs of a delay line forming part of an adaptive transversal equalizer is derived from the equalizer output after it has been modulated at a frequency different from that of the signal applied to the equalizer. First embodiment (Figs. 1 and 2).-An analogue data stream of bit rate 7200 bits/sec. and of frequency content 900-2700 Hz is applied to a tapped delay line LR having N taps with an inter tap delay # of 1/7200 sec. In known manner the tapped outputs x(t-i#) i = 1 ... N are applied via variable gain devices G 1 -G n  to a summer # from which the output is derived via a modulator M which modulates the output signal at a frequency f c  of 3600 Hz. The modulated output is compared at K with a reference A ref. to derive via a sampling device S an error signal e(t) which is supplied together with the delay outputs x(t - i#) to unit "GENERATION a i " from which control signals a 1 -a N  for the variable gain devices are derived. These control signals are produced to minimize the function and as the error signal e(t) is derived from the modulated output it is necessary to modulate signals α(t-i#) at the frequency f c  (see Fig. 2) before evaluating the function in a standard way, i.e. a signal x(t-i#) is modulated at M i , single side band tinted by a filter Fi, passed through a squarer Qi to derive/sign [α(t - i#) sin # c t)]and applied to a multiplier Xi together with the output of squarer Qe representing sign e(t), the multiplier output passing through integrator Ii to yield the coresponding gain control signal a i . Second embodiment (Fig. 3).-Error signal e(t) is derived as above but the signals/x(t - i#) sin # c t/are derived by employing a second delay line LR o  to which the signal x(t) sin # c t is applied by passing the signal x(t) via a modulator Mo and band pass filter Fo. Signals x(t - i#) sin # c (t-i#) are derived from the tops of delay line LR o  and devices K 1  ... K n  are used to get rid of the phase shift # c i# introduced. Control signals a 1  ... a n  are then derived as for the previous embodiment. Fig. 4 (not shown) illustrates a method of eliminating the phrase shift for this particular embodiment in which # c # = K, the arrangement involving a further tapped delay line (LR 1 ) associated with delay line LRO. Pilot tones of 600 and 2700 Hz may accompany the data signals where the data is received in digital form, e.g. # modulated binary code, digital equivalents of the above analogue circuits are provided.
Patent GB-1235995-A (GB)
Title: Phosphine oxides
IPC: D06M13/285
Filed: 1969-12-16
Abstract: 1,235,995. Tertiary phosphine oxides. MONSANTO CO. 16 Dec., 1969 [17 Dec., 1968; 28 Aug., 1969], No. 61215/69. Heading C2C. [Also in Division C5] Tertiary phosphine oxides of the formula where X is hydroxyl, halogen or a group RO- or RS-, where R is optionally substituted hydrocarbon, n is 0 or 1, Y is hydroxyl or halogen when n is 0, or is the same as X when n is 1, are prepared (a) by treating an aqueous solution of the quaternary salt of formula with an alkali, or with chlorine, or with aqueous potassium iodide and iodine, (b) by treating the corresponding hydroxylated derivatives with halogenating agents, (c) by treating the chlorinecontaining compounds with a compound ROH or RSH in the form of an alkali metal salt, or in the presence of a tertiary amine. The quaternary salt of formula is prepared by treating tetrakis-(hydroxymethyl)-phosphonium chloride with ethylene oxide.
Patent GB-1245330-A (GB)
Title: Tuning unit for high-frequency receiver
Inventor: HINDERMAYR MARTIN
IPC: H01C10/40
Filed: 1969-12-22
Abstract: 1,245,330. Variable resistors. F. RUF. 22 Dec., 1969 [5 April, 1969], No. 62430/69. Heading H1S. [Also in Division H3] In a push button tuner having a plurality of two part push buttons 9, 10 and variable resistors 2, 6 tuning is effected by rotation of the inner button part 10 and band switching is effected by rotation of the outer knob part 9, the variable resistors have resistance elements 2 which butt in pairs by their back sides against dividing walls 1a and electrical connections are provided by bent-out tongues 3a, 4a which butt against the contact surfaces at each end of the resistive elements 2. The tuner may be used for radio or TV receivers and when a button 9, 10 is pressed in the outer knob part 9 moves a contact 11a (Fig. 4) into contact with the spindle 5 of the associated resistor so that this resistor is switched via contact 11a and a contact bar 11 to a variable capacitance diode in a tuning circuit. The wiper spring 7 of the resistor is mounted in a slot 6a so as to engage,, the threads of the spindle and has two spaced apart ends contacting the resistance layer 2. The resistance elements 2 are secured in position by projections 1b and resilient webs 1c on the housing 1. The push button housing 8 is secured to the resistor housing 1 by resilient tongues (8a, Fig. 3, not shown), and the inner button part 10 is rotatably coupled to its associated resistor spindle 5 by a slot coupling (10a-c. Fig. 6, not shown) which slidably engages a head (5b) on the spindle 5. The housings 1 and 8 are of plastics material. Wave band switching and indicators.-The outer knob part 9 of the button may be rotated to positions determined by a resilient tongue 8b which engages ribs 9a of different length so as to actuate via a pivoted shaft and rocking lever (not shown) a band selector 12. The outer part 9 is geared by teeth 9b (15a, Fig. 5, not shown) to a transparent cup-shaped dial 15 so that a slotted diaphragm 13 enables the group of numbers corresponding to the desired range of selection to be visible on the dial 15. Also the position of the slider of the resistor is shown by an indicator 14b, behind the transparent dial 15, which is coupled by a slot in a pivoting indicator 14 to a pin (6b, Fig. 3, not shown) on the slider support 6.
Patent GB-2002135-A (GB)
Title: Driving device for the sprocket wheel or wheels of moving picture camera interchangeable cassette
IPC: G03B17/26
Filed: 1978-07-04
Abstract: The driving device consists of a driving means run by a driving shaft on the camera, and on the cassette a driven means, running the cassette sprocket wheel or wheels (for passage of film past the gate); this driven means is meshed into the driving means when the cassette is fitted onto the camera. The device is characterized by the fact that either the driving or driven means consists of an endless gear belt with teeth on both sides, passing around at least one driving or driven pully, while the other means consists of a gear belt pulley placed in such a manner that the teeth mesh into the teeth of the gear belt when the cassette is fitted onto the camera. An endless gear belt 8 on a camera 1 may be driven by motor gear 9 and detachably engage pulley 13 (at the side of cassette 2) operating sprocket wheel 4. When the belt forms part of the cassette, there may be one (Fig. 2) or two (Fig. 3) cassette pulleys operating respective sprocket wheels. <IMAGE>
Patent GB-2004227-A (GB)
Title: Pressing wet mixes
IPC: B28B3/06
Filed: 1978-09-02
Abstract: In the production of moulded shapes such as tiles, by compacting a wet mix in a mould by a pressing operation, the liquid exuded from the wet mix during the pressing operation being removed through a filter, a resilient fluid tight seal 18 is provided effectively between the press-head and the interior of the mould and is operative during the entire pressing operation. The sealing strip may be on the mould. <IMAGE>
Patent GB-2005326-A (GB)
Title: Slip-resistant insulating tiles
IPC: E04F15/10
Filed: 1978-10-02
Abstract: A tile and method of constructing it, the tile having a first plastics material layer (10) with anti-slip formations (11) on one side and projections, in one example in the form of flanges on the other side, and a further layer (12) of insulating plastics material of depth at least equal to the depth of the projections, and in said one example filing the interior up to the depth of the flanges. The tile is used above felt on flat roofs. <IMAGE>
Patent GB-2006972-A (GB)
Title: Film transfer apparatus
IPC: G03B27/58
Filed: 1978-10-09
Abstract: Film transfer apparatus for transferring film from an adjustable process camera unit 7 to a developer unit 8, comprising a carrier 1 in which are mounted at least two telescopically adjustable film transporting devices 2, and provided with coupling means 3 for connecting the apparatus to the camera unit. The carrier may be pivotably mounted on a movable carriage so that access to the camera or developer unit may be obtained. <IMAGE>
Patent GB-2032238-A (GB)
Title: Improvements in or relating to machines for treating grass
IPC: A01D34/47
Filed: 1978-10-13
Abstract: A machine for treating grass or turf comprises an engine (11), ground wheels (12, 13), drive means for driving the ground wheels from the engine, means for engaging and disengaging the drive means, a device (24) for treating grass or turf, and a handle structure at one end of the machine comprising two handles (29, 30) spaced transversely of the machine, the means 32 for engaging and disengaging being disposed generally between the handles (29, 30). <IMAGE>
Patent GB-2035892-A (GB)
Title: Interlining fabric
IPC: D04H1/48
Filed: 1978-11-29
Abstract: Composite non-woven fabrics, suitable for use as garment interlinings, comprise a face layer composed of textile fibres, preferably wool, which is integrated with a base layer composed of further textile fibres, which may also be wool, bonded together by fusible fibres, for example of polypropylene. The fabrics may be made by superimposing a web of the textile fibres of the face on a base web of mixed fusible and other textile fibres and needle-punching the webs into a composite fabric, followed by heating to fuse the fusible fibres. The base layer of the composite fabric preferably contains substantially all the fusible fibres. The fabrics of the invention are less costly to produce than traditional interlinings but have good handle and draping properties.
Patent GB-2009917-A (GB)
Title: Building panel
IPC: F24S10/75
Filed: 1978-12-13
Abstract: A building cladding panel 1 incorporating a closed channel or pipe 6 with an inlet end and an outlet end through which liquid flows in use, the liquid being in heat exchanging relationship with the panel so that the panel can serve as a solar heating panel. Preferably, the panel comprises a ductile metal tray-shaped member 2 having a recessed bottom 3 that incorporates said channel and which is at least partially wrapped around the pipe and a rim 5 by which the panel is supported in use. The panel is further adapted to be inclined in use so that it has an upper end and lower end, the bottom of the tray being inclined relative to the plane of the rim so that its depth decreases towards the lower end. The rim at the lower end may be formed with a flange 13 to overlap the upper end of an adjacent panel so as to form a weatherproof seal, and the side rims may be formed with upstanding flanges 9, 10 whereby adjacent panels are connected together using a jointing strip 14. The panel may be provided with a cover 8 that transmits solar radiation, the cover being held in engagement with the rim by said jointing strips. <IMAGE>
Patent GB-2014090-A (GB)
Title: Life-saving vessel for divers
IPC: B63C9/06
Filed: 1979-01-02
Abstract: A life boat 1 is suspended on davits 3 above a deck 2 of a ship or off-shore platform used for diving operations and having pressure chambers 8 and 9 in which divers may be housed. The boat 1 has a pressure vessel 4 which can be connected to the vessel 8 to allow removal of divers in case of emergency without having to await decompression. A removable pressure chamber 12 can also be connected to the chamber 4. <IMAGE>
Patent GB-2019230-A (GB)
Title: Dartboard
IPC: F41J3/00
Filed: 1979-04-17
Abstract: The invention provides a dartboard having a wire grid defining the target areas which enables finer wire than conventional to be used. The grid consists of straight high tensile radial wires and arcuate high tensile wires with bent ends pushed into the dartboard adjacent the radial wires to define the target areas within the sectors defined by the radial wires. Each ring of the target areas can conveniently be made up of a series of separate arcuate wires with bent ends and each radial wire can similarly be attached to the board by having bent ends. The radial wires can lie in the V-grooves between the upper ends of the legs of adjacent arcuate wires. Thus the grid can be a collection of separately-removable units for repair or replacement. <IMAGE>
Patent GB-2027414-A (GB)
Title: A tray for a shrink-wrap package
IPC: B65D5/50
Filed: 1979-04-17
Abstract: A tray erectable from a blank for use in a shrink-wrap package comprises a first panel (3) constituting a base, a second panel (4) joined along one edge to the first panel (3), and a third panel (5) joined along one edge to a second edge (6) of the second panel (4) and extending between said second edge (6) of the second panel (4) and the base (3) of the tray. A portion of the third panel (5) is pierced to expose a cut edge (17) which is profiled to conform substantially with a contour of an item it is desired to package on the tray whereby in use said contour abuts said edge (17) to assist in retention of said item in position on the tray. <IMAGE>
Patent GB-2050465-A (GB)
Title: A Post
IPC: B25H3/04
Filed: 1979-06-06
Abstract: A post suitable for carrying a plurality of tool holders at selected heights comprises a hollow tubular extruded member 10 having channels 11 spaced circumferentially around the post and extending lengthwise of the post to receive said tool holders at a number of different positions on the post. To enable the post to be conveniently mounted between the floor and ceiling of a room, the post has feet 17, 23 at either end thereof and has a coarse telescopic adjustment provided between the upper foot 17 and post 10 by means of a rod 15 projecting from the upper end of the post and adjusted by means of a pin 16 engaging in one of a number of holes spaced along the rod. A fine adjustment is provided by means of a screw jack 20, 24 between the lower end of the post 10 and the foot 23 to enable the post to the jammed between the floor and ceiling. Rod 15 engages in a bearing 18 in the upper foot and the lower foot 23 provides a bearing in which the head 21 of the jack 20 engages to permit the post to be turned when jammed in position to enable access to the tool holders on the post. <IMAGE>
Patent GB-2027769-A (GB)
Title: Post
IPC: E04H12/22
Filed: 1979-06-18
Abstract: A base column 10 of a post has at its upper end a socket member 14 comprising two coaxial tubes, 15 and 18, and locking means, so that the lower end of another tube 11 can be secured in the space between tubes 15 and 18. In an embodiment, the annular space between outer cylinder 15 and inner cylinder 18 serves to receive a post tube 11, and bolts 19 accessible only through a door 12 enable tube 11 to be locked in position. The socket member 14 is welded in position with the outer cylinder 15 located below a cap 13 and the inner cylinder 18 extending through a central aperture in the cap 13 to facilitate location of tube 11. <IMAGE>
Patent GB-2031206-A (GB)
Title: System for recognizing words continuously spoken accordingto a format
IPC: G10L15/193
Filed: 1979-07-17
Abstract: A continuous speech recognition system utilizes a format memory (14) which specifies a sequence of word sets and a plurality of words, or reference patterns, which may be included in each word set. The input pattern sequence is divided into all possible partial patterns having start points p and end points q, and each of these partial patterns is compared with all reference patterns to derive elementary similarity measures. The elementary similarity measures for each combination of a partial pattern and a permitted word in a word set under the specified format are then examined to determine the optimum input pattern segmentation points and corresponding sequence of reference patterns which will yield a maximum similarity result. The maximum similarity is represented by   <IMAGE>   where S(p(x-1), p(x),n(x)) indicates the degree of similarity between an input partial pattern having a start point p(x-1) and an n point p(x) and a reference word unit n(x) within a word set fx, and K represents the number of word sets permitted according to the specified format.
Patent GB-2065089-A (GB)
Title: Powder percarbonate bleach and formation thereof
IPC: C01B15/10
Filed: 1979-07-18
Abstract: A powder percarbonate dry bleach composition of relatively long term stability and low tendency to separation on storage is prepared by contacting particulate soda ash with a spray of an aqueous solution of hydrogen peroxide so as to provide about 1 to about 6 weight percent available oxygen in the resulting composition. The contacting temperature is between about 35 and about 70 DEG C. The composition formed comprises a plurality of dry bleach particles containing soda ash and sufficient sodium percarbonate to provide about 1 to about 6 weight percent available oxygen.
Patent GB-2060235-A (GB)
Title: Number Plate Mounting
IPC: B60R13/10
Filed: 1979-10-09
Abstract: Releasable mounting for securing a number plate to the rear of a trailer vehicle is in two parts, a first component 10 permanently attached to the rear of the trailer and including spigot formations (14, 15) two of which are spring loaded for releasable engagement with holes (22) in flanges (18) of a second component (16) of the mounting to which is permanently attached a number plate. Blocks or pads of rubber of other resiliently compressible material may be used in place of the spring loaded spigots and/or spring loaded apertured flanges or the like may cooperate with fixed spigots. <IMAGE>
Patent GB-2036337-A (GB)
Title: Method and apparatus for measuring strength characteristics
IPC: G01N3/00
Filed: 1979-11-13
Abstract: An apparatus and method for measuring the flow stress and like characteristics of metals and other material especially at hot working temperatures involves striking the specimen to be tested simultaneously with equal masses arranged to travel at unequal velocities. The velocities of the masses and the dimensions of the different indentations produced upon the specimen are terms in formulae by which flow stresses may be calculated. In Fig. 1 a lever 10 pivoted at 11 and held down on a spring 12 is released to project balls 8 up tubes 6, 7 and at different speeds against a hot specimen 4, the speed of the balls being measured by electric coils 19, 20. A formula requiring only two masses is adequate for many materials but one requiring three projectiles may be better for materials that show work-hardening when they undergo strain at high temperature. In modifications balls are pneumatically propelled or replaced by masses carried as pendulums. <IMAGE>
Patent GB-2042744-A (GB)
Title: Rail Type Parallel Drafting Device
IPC: F16C39/06
Filed: 1979-12-14
Abstract: A rail type parallel drafting device comprising a drawing board 1, a horizontal rail 2 fixed to the drawing board, a horizontal cursor 4 mounted shiftably on the horizontal rail, a vertical rail 6 connected to the horizontal cursor swivellably in a plane perpendicular to the surface of the drawing board, and a head mounted shiftably on the vertical rail, wherein a magnetic member 13 is disposed along a travel path of a tail portion 6a of the vertical rail, and a further magnetic member 14 is disposed at the side of the tail portion of the vertical rail, the magnetic members 13, 14 being of like polarity so as to repel one another and reduce friction between the rail 6 and the board 1. <IMAGE>
Patent GB-2042696-A (GB)
Title: Improvements in or Relating to Marksmanship Training Apparatus
IPC: F41J5/06
Filed: 1980-01-07
Abstract: Apparatus for training in marksmanship which provides positive and negative reinforcement of shooting techniques immediately after each shot is fired. The reinforcement may take a number of forms, preferably comprising a plurality of indications concerning each shot fired. The indications may comprise at least an approximate indication of where a projectile fired at a target has passed relative to the target and/or a positive indication of whether the projectile has actually hit the target and/or whether the projectile has ricocheted prior to reaching the zone of the target. Specific apparatus for performing each of these functions is disclosed. Indication may also be given concerning whether the trainee marksman is correctly gripping the weapon being fired. <IMAGE>
Patent GB-2067452-A (GB)
Title: Apparatus for attaching pronged fastener elements of garment waistband fastener devices
IPC: A41H37/02
Filed: 1980-01-11
Abstract: A mandrel of a clenching press for attaching pronged clothing fasteners to garment waistbands comprises an elongate bar 30 having in its top face 34 a groove formation 36 providing anvil surfaces of clenching dies for clenching the attachment prongs of the fasteners. A plate 38 having fastener back plate receiving apertures 44 is detachably fixed to the bar 30 by screws 40. Thereby, the plate 38 can be replaced by a substitute plate having a similar back plate receiving aperture or apertures in a different relative position or positions bringing into use a different portion of the groove formation 42 to provide the anvil surfaces. A number of different fixing holes 42 may also be provided to enable the same plate 38 to be refitted in a different position. The arrangement enables pairs of fasteners to be fixed simultaneously in differently spaced positions, or in different positions along the length of the bar which avoid worn portions of tile groove formation, without need to replace the whole mandrel. <IMAGE>
Patent GB-2043961-A (GB)
Title: Servovalve assembly
IPC: F15B13/043
Filed: 1980-02-07
Abstract: A servovalve assembly comprising a valve 11 having a movable element 14 such as a jet pipe positionable in response to an input signal, the valve supplying an output fluid the pressure of which is dependent upon the position of the movable element 14, and a feedback mechanism 12 acting as one side only of a feedback lever 23 to move the feedback member against a biasing force, such as spring 24, in response to the output fluid, movement of the lever 23 providing a corresponding feedback movement of the element 14. Valve 11 may be in the form of a pilot valve operating in conjunction with a boost valve 13. <IMAGE>
Patent GB-2073059-A (GB)
Title: Method and apparatus for separating carbon black from fiberglass
IPC: B03B9/06
Filed: 1980-04-01
Abstract: In processes for making carbon black from automobile tires containing fiberglass, a mat of fiberglass strands intertwined with carbon black trapped in the interstices thereof can be produced. The present invention discloses method and apparatus of producing useful fiberglass and carbon black from pieces (16) of such mats. Rapid agitation by an agitating device (28) breaks the pieces into a cloud of fine fiberglass particles (38%) and free carbon black (40). A low velocity airstream (24) carries the particles to a separation zone (22), e.g. a cyclone, where the free carbon black (40) is separated from the fiberglass particles (38%). The fiberglass particles (38%) are then heated in a combustor (48) to remove remaining carbon black carried by the fiberglass particles. <IMAGE>