baber/WOPTO huggingface dataset:
Patent GB-1504182-A (GB)
Title: Arrangements for time base error compensation
IPC: G05D13/62
Filed: 1975-01-27
Abstract: 1504182 Time base error compensation BASF AG 27 Jan 1975 [28 Jan 1974] 3390/75 Heading H3A A circuit arrangement for the correction of time base error in a video signal taken off a recording medium moved by a drive motor and fed to a video receiver, the video signal including both information components and time base pulses, comprises means for separating the time base pulses from information components contained in the video signal, a source of reference pulses, and means for comparing the phase of the time base and the reference pulses and deriving therefrom (a) signal(s) representing time base error; the arrangement comprises at least two control loops for time base error detection and compensation, one loop comprising an electronic delay device through which the information component is passed and whose delay is controlled by the or an error signal, frequency limiting means being provided to render the error signal ineffective in the said one control loop when the frequency of the time base error lies below a limiting frequency; the arrangement also comprises at least one device, controlled by the respective output of the control loops, for controlling the drive motor and the delay of the delay device. In Fig. 5 a first, coarse loop (bandwidth 0-200 Hz) comprising a phase comparator 502 and a frequency compensator and amplifier 504 is used to control a tape drive motor 506 linked to a tachometer 501, thus ensuring that the angular velocity of the tape drive capstan 516 is constant and reducing error due to torque disturbances. A second, fine loop (bandwidth 25 Hz) comprises transducer 507, a bucket brigade delay line 508, a low pass filter 509, a sync stripper 511, a phase detector 513 receiving a reference 512, a low pass (0-40 Hz) filter 514, a voltage controlled oscillator 515 (255 kHz 2%) and a frequency divider 503. This loop reduces error due to the once and twice around rotation of capstan 516 and its satellites; it corrects the long-time average of the sync pulses themselves, thereby correcting for tape stretching, tension changing, &c. A third, fine loop (5 Hz-3 kHz) comprises components 507-513, a frequency compensation and limiter circuit 517 and a voltage controlled oscillator 518. This loop contains the frequency limiting means (not shown) and corrects high frequency variations due to motor speed related disturbances such as high frequency tape tension variations.
Patent GB-1060899-A (GB)
Title: Means for determining the cholinesterase activity of serum
IPC: C12Q1/46
Filed: 1966-01-25
Abstract: A means for determining the cholinesterase content of serum comprises an absorbent vehicle impregnated with a substrate for cholinesterase and phenol red.  Preferably naphtholphthalein is also present.  The vehicle may be filter paper, glass fibre paper, silica gel or alumina, and the specified substrates are acetylcholine, or the hydrochloride, hydrobromide or sulphate thereof.  The substrate and indicator may be applied to the vehicle together as a solution in an organic solvent (methanol, ethanol, i-propanol, acetone, dioran, tetrahydrofuran), mixed if desired with water.  The solution should have a pH of 5-8.5: where acidic salts of acetylcholine are used, NaOH, Na2CO3 or NaHCO3 or the corresponding K compounds may be added; where free acetylcholine is used, HCl may be added.  The indicator and substrate may alternatively be added to the substrate separately. A definite amount of serum and a test device are brought together and after a specific time at a specific temperature the colour is compared to a previously calibrated colour scale.
Patent GB-510183-A (GB)
Title: Apparatus for cleaning clothing and other articles
IPC: D06F43/04
Filed: 1938-02-03
Abstract: 510,183. Dry-cleaning apparatus. GARDNER, C. S. Feb. 3, 1938, Nos. 3396 and 13568. [Class 91] A dry-cleaning apparatus consists of a single unitary structure containing three elements, namely, a washer a, an extractor e, and a deodorizer o, the deodorizer or washer or both being displaceable relative to the extractor. A plurality of each of the elements may be included. The washer a has an inner perforated rotary container, doors d, d<1>, and a perforated draining board b, formed of two halves b<1>, b<2>, hinged at each end to a rectangular frame and held together at the axis by a pin c. The cleaned clothes supported on the board are transferred to the extractor by withdrawing the loaded board mounted in slides, to a position over the extractor ; when the pin c is removed and the clothes fall into the extractor. After extraction, the clothes are transferred to the deodorizing tumbler o, which moves on rails to a position over the extractor. Both the extractor and deodoriser are provided with inner rotary perforated drums. A suction fan withdraws vaporized solvent from the deodorizer through a flue v.
Patent GB-615232-A (GB)
Title: Improvements in or relating to sinks
IPC: E03C1/182
Filed: 1946-02-04
Abstract: 615,232. Sinks. CUSSONS, C. W. Feb. 4. 1946, No. 3496. [Class 26] A sink comprises a main chamber 1 having a waste outlet 5 below a recess 4 containing a removable perforated refuse trap 6, one subsidiary rins- ' ing chamber 2 with waste outlet 8 provided with a removable perforated basket 10 having a handle 12 and another 3 having a waste outlet 16, the said outlets having stop-cocks 9 and 17. By means of a threeway tap 19 water can be supplied to the chambers 1, 2 or 3 by taps 28, 30 and 29, the tap 30 having an adjustable pipe 35 swingable in front of the sink, the water entering the chambers 1 and 3 by ducts 32 and 33. The three-way tap 19 receives water at any temperature through a mixing valve 21 and both may be enclosed by a cover 26 having slots through which handles 22 and 27 protrude. The perforated trap 6 has a lip 13 adapted to rest on a rim 14 in the recess 4 which may be covered by a plug 7 having a handle 37.
Patent GB-1456436-A (GB)
Title: Garbage compactors
IPC: B65F3/20
Filed: 1974-01-25
Abstract: 1456436 Garbage compactor; refuse vehicle, refuse compactor H O S SVENSSON and A NILSSON 25 Jan 1974 [26 Jan 1973] 03511/74 Headings B8C and B8E In a garbage compactor which may be mounted on a vehicle chassis or be transportable on a lift-dumper truck, and which includes a receptacle 5, compacting device 3 and a unit 4 for operating the compacting device 3, the compacting device 3 comprises a plate 8 pivotally mounted on the receptacle at 7 for movement between a first position (shown in full lines) at which garbage can be introduced into the receptacle, e.g. through opening 6, and a second position (shown in broken lines) in which the plate compacts the garbage, and the operating unit 4 comprises a lever 19, piston and lever assembly 10, and linkage (e.g. 14, 16 as shown) whereby operation of the piston and cylinder causes the compacting device 3 to move between its first and second positions.
Patent GB-175884-A (GB)
Title: Improvements in or relating to hair ornaments or slides for personal wear
IPC: A45D8/36
Filed: 1921-01-29
Abstract: 175,884. Wagner, J. P., and Brandon, J. E. Jan. 29,1921. Hair slides, ties, and fastenings.-A hair ornament or slide 1, Fig. 2, is attached to a band 3 of velvet or other material by securing one end 2 of the band to the ornament 1, while the other end 5 is passed through a loop 4 attached to the ornament, the two ends of the band being then connected by a length 6 of elastic or similar material or by a light coil-spring. In the modification shown in Fig. 3 the two edges 7, 8 of the ornament are folded over, and slots 9 are cut on the lines of the folds for the passage of the band 3, and one wedge may be pressed down so as to grip the band firmly.
Patent GB-900145-A (GB)
Title: Improvements in or relating to door catches
Inventor: CROMPTON JOHN STANLEY
IPC: E05C19/02
Filed: 1959-02-02
Abstract: 900,145. Door catches. CROMPTON & SONS Ltd., THOMAS. Dec. 15, 1959 [Feb. 2, 1959], No. 3570/59. Class 44. A catch for a sliding door, for example, comprises two levers 11, 12 mounted independently and pivotally about spaced and parallel axes and spring-urged in opposite directions, each lever presenting a hooked nose having bevelled leading and trailing edges, the noses being adapted to respectively engage opposite edges of a rectangular aperture in a striking-plate 24. The levers 11, 12 are mounted on pins 13, 14, respectively, and are urged in opposite directions by coil-springs 15 surrounding the pins 13, 14, the latter having their ends accommodated in a U-shaped member 21 housed in a flanged box 22 which is adapted to be sunk in a recess in the door. The noses of the levers 11, 12 project through an aperture in the box 22, the aperture being of Z-shape for positioning the levers when the door is open.
Patent GB-1206141-A (GB)
Title: A method of treating tobacco
Inventor: PROUSE RONALD ERNEST
IPC: A24B3/18
Filed: 1967-01-25
Abstract: 1,206,141. Treating tobacco. CARRERAS Ltd. 12 Jan., 1968 [25 Jan., 1967], No. 3668/67. Heading A2C. [Also in Division H5] Tobacco is treated to cause its cellular structure to expand and/or to cause the fibres to move apart from one another by passing it through a high frequency electric field comprising a spaced series of high frequency zones caused by a "stray" or "fringe" field platen electrode system The tobacco may be treated in the form of leaf, threshed leaf, mid rib stem, cut rag, or after making up into cigars or cigarettes. A suitable apparatus for treating the tobacco comprises a conveyer 13, the travelling band of which is made from a material of low dielectric loss factor, and a platen 10 made up from a series of aluminium rods 11 connected to a generator (not shown) so that alternate rods form part of the same electrode. The tobacco products, or a thin layer of tobacco 14, are transported through the "stray" or "fringe" field 12 so produced, which field is only ¢-¥ inch in depth.
Patent GB-179271-A (GB)
Title: Improvements in or relating to telegraph and telephone systems
IPC: H04L25/08
Filed: 1921-01-31
Abstract: 179,271. Hortix, I. Jan. 31, 1921. Drawings to Specification. Telephone systems.-In a system of telegraphy, stated to be applicable also to telephony, signalling takes place over a cable with concentric conductors between which there is a permanent charge. In the examples shown, a current is constantly flowing on the circuit, including the concentric conductors and an indicator. Signalling is effected by varying the strength of this current by shunting the whole with a third circuit, for example the earth.
Patent GB-614911-A (GB)
Title: Improvements in and relating to circuits for electric discharge lamps
IPC: H05B41/06
Filed: 1945-02-14
Abstract: 614,911. Supply systems for discharge lamps. GENERAL ELECTRIC CO., Ltd., and CATES, J. Feb. 14, 1945, No. 3693. [Class 38 (iv)] A circuit for operating a number of discharge lamps in parallel has a separate circuit for supplying heating current in parallel to one of the electrodes of each lamp and containing a starting switch. A separate stabilizing impedance for the local arc on the electrode is provided for each electrode. The starting switch may be opened automatically to strike the lamps or after ignition. Fig. 4 shows an arrangement for three lamps in series. Fig. 3 shows one of the parallel starting circuits for a lamp D on a D.C. circuit with main stabilizing resistance R and main switch S2. A switch S3 connects an auxiliary D.C. source, which may be derived from the main terminals T1, T2, in series with an automatic switch S closed at starting, and the filamentary electrode a. The switch S1 comprises a bimetallic element M and heater H, which latter is in the main circuit. Where the supply is A.C., a transformer may supply the electrode heating current. The stabilizing resistances R1 and R2 may be tungsten lamps. A separate starting circuit, as described, may be provided for each of the electrodes of a tube. The unheated electrode need not be filamentary.
Patent GB-176991-A (GB)
Title: Improved apparatus for cleansing, whitewashing and similarly treating buildings or the like
IPC: E04G23/00
Filed: 1921-01-31
Abstract: 176,991. Edwards, C. Jan. 31, 1921. Walls, cleaning.-The surface is cleaned or whitewashed by means of a liquid-fed brush n mounted to reciprocate on a carriage f supported by a frame d adjustable towards and from the wall by arranging it to slide on a main frame c suspended by cords b. The brush carriage f can roll along the frame d, and both of these, together with the brush, can be adjusted or reciprocated from the ground by cords. Liquid is applied to the surface by a nozzle u supplied by a flexible pipe v from above or below. The whole of the apparatus may be placed for transport in a truck z provided with cleats for securing the various cords, and containing the necessary fluid supply and pump.
Patent GB-411789-A (GB)
Title: Improvements relating to electrical discharge rectifier apparatus
IPC: H01J13/48
Filed: 1934-02-05
Abstract: 411,789. Discharge rectifiers. SIEMENS - SCHUCKERTWERKE AKT.- GES., Siemensstadt, Berlin. Feb. 5, 1934, No. 3743. Convention date, Feb. 10, 1933. [Class 39 (i).] The ignition anode 6 of a glass rectifier, serves as the exciting anode, and is supplied with continuous current through static contact rectifiers 10, 11 from an auxiliary winding 9 on the main supply transformer 7. For starting, the mercury cathode 5 is brought into contact with the anode 6 by rotating the device about the pivot 14 by means of an armature 13 operated by a coil 12. The resistance of the coil 12 is made comparatively high to ensure that the armature is released to return the device tb its normal position when the mercury is in connection with the ignition anode. Resistances 17, 18 are connected in series with the rectifiers 10, 11.
Patent GB-818269-A (GB)
Title: Improvements in or relating to the preparation of phenthiazine derivatives
IPC: C07D417/06
Filed: 1957-02-04
Abstract: 10 - (N - Lower alkyl - piperidyl - 31 - methyl)-phenthiazines (the term "lower alkyl" denoting alkyl groups of 1-4 carbon atoms) are prepared by alkylating phenthiazine with (pyridyl-3)-methyl chloride or bromide or an acid addition salt thereof in the presence of an inert organic solvent (e.g. benzene, toluene, xylene or tetrahydronaphthalene) and an alkali metal condensation agent (e.g. an alkali metal or a hydride, amide or oxide thereof, particularly lithium hydride, sodamide or sodium oxide), quaternizing the 10-(pyridyl-31-methyl)-phenthiazine obtained with a lower alkyl halide, and then catalytically hydrogenating the resulting lower alkyl pyridinium halide derivative in the presence of a metal sulphide hydrogenation catalyst resistant to inactivation by sulphur present in heterocyclic combination (e.g. a sulphide of a metal of Group VIa or VIII of the Periodic system, particularly molybdenum, cobalt or nickel sulphide).  In examples, the quaternization step is effected with methyl chloride or methyl, ethyl, n- or iso-propyl or n-butyl bromide.  Reference is made to the hydrochloride and sulphate of the intermediate 10 - (pyridyl - 31 - methyl) - phenthiazine and the following salts of the final products: hydrochloride (monohydrate), lactate and oxalate of the N-methyl compound, hydrochloride of the N-ethyl compound, and hydrobromide and hydrochloride of the N-n-propyl compound.  Specification 772,179 is referred to.
Patent GB-394425-A (GB)
Title: Improvements in or relating to electric transformers
IPC: H01F27/40
Filed: 1932-02-09
Abstract: 394,425. Electric transformers. WILSON, H. G. A. R., Davenset Works, Evington Valley Road, Leicester. Feb. 9, 1932, No. 3827. [Class 38 (ii).] Metal sleeves with binding screws for connecting the ends of transformer windings to the outside leads are carried by an insulating member to which a protective cover is applied after connecting the windings to the sleeves. The insulating member such as a plate 5, e.g. of ebonite or bakelite (registered Trade Mark), secured by screws 6 to the frame members 8 of the transformer, is provided with grooves 10 each accommodating one of the insulated wires 11 constituting the ends of the windings and each terminating in a recess 12 to receive one of the connector sleeves 2. The cover 15, also of insulating material, is recessed at 17, 18 to accommodate the sleeves 2 and the binding screws 4 respectively and is provided with holes 16 for access to the binding screws 3 to enable the outside leads to be connected after the cover has been secured in position by the screws 6 or otherwise. The holes 16 may then be filled with a sealing composition. The plate 5 is formed with integral flanges or shrouds 19 to protect the portions of the wires 11 between the winding coils and holes 13 in the plate 5. The coils are wound on a bobbin or former mounted on a central portion of a laminated core 9 and are located within a casing 1. The shell is clamped between the frame members 8 by tie rods 20 with nuts 21 and slipping of the core in relation to the frame members is pre. vented by providing the corners of the latter with integral shoulders 22, 23. Additional shoulders 24, Fig. 8, for this purpose may be provided at the edges of the frame members 8 remote from the plate 5. The members 8 are also provided with perforated lugs 25 for fixing the transformer in various positions.
Patent GB-100423-A (GB)
Title: Improvements in Speed Control Devices for High Speed Steam Motors such as Steam Turbines.
IPC: F01D21/16
Filed: 1916-03-15
Abstract: 100,423. Weir, G. & J., and McCowatt, W. March 15, 1916. Regulating.-Emergency stop-gear for highspeed steam motors, such as turbines, adapted to come into operation when the turbine shaft exceeds a predetermined speed and to close the supply valve f, comprises a rotatable segment v which, when released by a speed governor setting free the rod r, is rotated by the plate y on the spring- pressed member z attached to the valve spindle j, the same spring g serving also to close the valve f.
Patent GB-396752-A (GB)
Title: Means for mounting incandescent electric lamps and reflectors for same
IPC: H01R33/02
Filed: 1932-02-10
Abstract: 396,752. Electric-lamp holders. TURPIE, W. L., 127, Fairfield Crescent, Edgware, Middlesex. Feb. 10, 1932, No. 3912. [Classes 39 (ii) and 75 (iv).] Light reflected by trough-shaped reflectors.- A holder for a tubular electric lamp comprises hollow conduit member carrying sockets provided with means for preventing a lamp and a reflector clipped thereto from rotating in the sockets. The conduit consists of two troughshaped members a, b fitting together as shown, in Fig. 4, and formed with openings g, g<1> for screws securing the sockets c and slots h for the leads. Projections o on the lamp caps e engage slots in the sockets c and prevent the lamp from rotating. The trough - shaped reflector n is attached to the caps e by clips n<1> and is further prevented from rotating by blade springs g<1> screwed to the conduit and pressing against the reflector. The springs g<1> may swivel to release the lamp. The sockets are enclosed in casings j formed of sheet metal bent into the form shown in Fig. 6, the flat surface m and lugs k<1>, k<2> fitting over the conduit and openings being provided to correspond with the openings g, g<1>, h.
Patent GB-650266-A (GB)
Title: Auxiliary front-wheel driving mechanism for vehicles such as bicycles
IPC: B62M1/14
Filed: 1948-02-10
Abstract: 650,266. Auxiliary driving-mechanism for cycles &c. SAXER, T. Feb. 10, 1948, No. 3932. Convention date, Feb. 12, 1947. [Class 136 (ii)] In an auxiliary front wheel driving mechanism for vehicles such as bicycles a gear case 2 is fixed to the top of the fork head V of the front wheel R, two handles 5, 6 pivotable in opposite directions being fixable inside the gear case in an inter. mediate position, adjacent segments of spur gears 7, 8 being permanently fixed to the inner ends of both the handle bars, the spur gears meshing with further spur gears connected through free wheel mechanism to a driving shaft 21 arranged between the spur gears and coupled to a sprocket wheel 22 arranged outside the gear case and a chain 23 driving a further sprocket wheel 24 fixed to the hub of the front wheel. The gear case 2 has a cover 3 screwed onto it. The handle bars 5, 6 are fixed inside tubular sockets 7r, 8r of the spur gears 7, 8 by jamming cones 11, 12 tightened by bolts 9, 10. The handles are shaped to conform to the hand. A spring urged catch bolt 13 is operable by means of a knob 13a to engage notches in the hubs of the spur gears 7, 8 to lock the handle bars in the intermediate position. Two pins 14, 15 are provided inside the gear case. A wheel centre 16 is fixed to the pin 14 and carries a large spur gear 16a meshing with the spur gear 8 and a smaller one 16b meshing with a pinion 17 in turn meshing with the spur gear 7. A spur gear 19 provided on the pin 15 meshes with the spur gear 16a. Rotatable sleeves 18, 20 are fitted on the hubs 16, 19 and driven by them through a free wheel mechanism (Fig. 2). A gear 21z is driven by the sleeves 18, 20 and drives the axle 21 carrying the sprocket 22.
Patent GB-1113037-A (GB)
Title: Improvements in or relating to roller bits for boring earth and rock
IPC: E21B10/52
Filed: 1967-01-26
Abstract: 1,113,037. Boring earth &c. R. M. BOGOMOLOV; M. M. KARPEEV; G. M. RODSHTEIN; J. I. CHERNOV; I. D. SHAKOV and A. S. JUDIN. 26 Jan., 1967, No. 3945/67. Heading E1F. A roller bit has rollers provided with hard metal inserts 1 the working surfaces of which are formed by two or more blades 2, 3 intersecting at a point. A blade on each insert may lie parallel to a generator of a roller.
Patent GB-524814-A (GB)
Title: Improvements in bearings for the roller shafts of wringing or mangling machines
IPC: F16C13/02
Filed: 1939-02-07
Abstract: 524,814. Roller bearings. ENTWISLE & KENYON, Ltd., and WILSON, W. Feb. 7, 1939, No. 3949. Addition to 453,622. [Class 12 (i)] The bearing of the parent Specification is modified by widening the middle plate B of the three-plate arrangement ,A, B, C so that rollers b can be used instead of balls. The opening a<SP>1</SP> allows lubrication.