baber/WOPTO huggingface dataset:
Patent GB-1482302-A (GB)
Title: Implementation of alternate-pitch repeat in a computor organ
IPC: G10H1/30
Filed: 1975-01-02
Abstract: 1482302 Electrophonic musical instrument NIPPON GAKKI SEIZO KK 2 Jan 1975 [11 Jan 1974] 299/75 Heading G5J  An electrophonic musical instrument has means for sounding in rapid succession a note selected on the keyboard and another note separated by a predetermined interval (e.g. an octave or a sixth) from the selected note. The invention is described applied to a computer organ as in Specification No. 1,441,776 in which Fourier components are calculated and added to produce waveform sample points. The signal qR on line 31 indicating the sample point being evaluated is fed to a shift register which is alternately shifted left and back again by a clock 50 so that the notes corresponding to qR and 2qR are alternately produced. If an interval other than the octave is required, another type of multiplier is used. In another embodiment, Fig. 5 (not shown), the octave repeat clock varies the number R read-out of the memory 28. The harmonic coefficients Cn are scaled by factors accessed from memory 58 to provide a desired attack and decay for the alternating notes. On release of the key, a slow decay is provided by control circuit 68 which either varies the first accessed address in memory 58 or scales down output of memory 58.
Patent GB-1039771-A (GB)
Title: Improvements in transistor switching circuits
IPC: H03K3/286
Filed: 1964-01-03
Abstract: 1,039,771. Transistor switching circuits. ROBERT BOSCH G.m.b.H. Jan. 3, 1964 [Jan. 5, 1963], No. 305/64. Heading H3T In a circuit comprising a power transistor T2 for switching current in a load 15 the transistor T2 is protected against short circuit in the load 15 by feeding back the voltage at the junction A of the load 15 and a resistor connected in series with the collector of transistor T2, to the base of an input transistor T1. In the circuit shown, the collector of transistor T1 is coupled via an emitter follower T3 to the base of the power transistor T2 so as to form a monostable circuit. Transistor T 1 is initially conductive hence transistors T3, T2 are non-conductive. The conductive state of the transistors is reversed when a positive pulse is applied to terminal 17 so that current is switched through the load 15 until capacitor 22 has discharged sufficiently to cause conduction in transistor T1 when the circuit is restored to its original state. When transistor T2 is conductive the voltage at the junction A is just insufficient to turn on T1 but in the event of a short-circuit in load 15, T1 becomes conductive, turning off T2, T3. The duration of current switched through load 15 is stabilized against temperature variations by use of a diode 21 having similar temperature characteristics to the base/emitter diode of T1. Capacitor 25 protects T2 against voltage surges in the inductive load 15. Fig. 1 (not shown) relates to a bistable circuit in which T3 is omitted.
Patent GB-717597-A (GB)
Title: Electric discharge tube circuits
IPC: H03K17/52
Filed: 1952-01-04
Abstract: 717,597. Valve relay circuits. GENERAL ELECTRIC CO., Ltd., and BEESLEY, J. H. Nov. 11, 1952 [Jan. 4, 1952], No. 335/52. Class 40 (6) A switching circuit comprises a cold-cathode gas triode' tube which has a supply of positivegoing pulses applied to the anode so that the tube is fired by a triggering pulse applied to the striker electrode and is subsequently de-ionized by suppressing or reducing the amplitude of a number of the anode pulses. Fig. 1 shows a switching circuit in which the pulse train A, Fig. 2, is applied at A to the anode of gas triode W so that when a positive trigger pulse C, Fig. 2, is applied at point C tube W fires and remains conducting in between anode pulses. The tube is de-ionized by applying a negative pulse B, Fig. 2, at point B to cause gas-filled diode V to conduct and suppress one positive pulse at the anode D. The change in current through tube W may be used to operate a relay or the cathode current may be rectified and smoothed to produce an output at point X. In a modification shown in Fig. 3, trains of positive-going sequentially timed pulses are applied at A-D to the anode circuits of four cold-cathode gas triodes which are triggered by a positive trigger pulse applied at E which coincides with a pulse in a given input pulse train so that that train appears across the output G. Any triode may be de-ionized by a negative pulse applied at F or this pulse may be sufficiently long to de-ionize more than one tube. The circuits may be modified to operate with the triode anodes earthed and negative-going pulses supplied at the cathode and trigger electrodes.
Patent GB-396754-A (GB)
Title: Machine-gun mounting for airplanes
IPC: F41A27/30
Filed: 1933-01-05
Abstract: 396,754. Aircraft gun-mountings. GROSSU, M., Strada General Dragalina, Villa Badesco, Brasov, Rumania. Jan. 5, 1933, No. 400. Convention date, Feb. 11, 1932. [Class 92 (i).] An aircraft gun-mounting is provided with means for balancing the gun by the gunner and his seat in combination with means for balancing the wind pressure on the gun by a component of the weight of the gun. The gun (or guns) is trainably mounted on a pivot 10 on an arcuate member 9 fulcrumed at 7, 8 on the centre of a frame 3, which is pivoted at its rear end by a hinge 4 on a horizontal rotatable ring 1 and is supported at its front end by a roller 6 riding in an inclined track 5, so that when the ring 1 is turned the weight of the gun opposes lateral wind pressure thereon. To the rear ends of the member 9 at the points 13, 14 is pivoted bars 11, 12, the lower ends of which carry the seat 15 and are pivoted at 18, 19 to a slide guided by vertical posts 20, 21 depending from the ring 1. The points 13, 14 of the arcuate lever member 9 are adjustable to make the gunner and' his seat balance the gun at the other end of the member. The bars 11, 12 are adjustable in length for the stature of the gunner. The inclination of the pivot 10 is also adjustable relatively to the member 9. A parachute 24 may be attached to the seat 15, which may then be fixed to the bars 11, 12 in a second position clearing the cockpit. The rotation of the ring 1 is performed by the action of the gunner's feet on a fixed structure comprising tubular rings 25 and posts 26.
Patent GB-488611-A (GB)
Title: Improvements in or relating to directional radio receiving systems
IPC: G01S3/08
Filed: 1937-01-06
Abstract: 488,611. Directive wireless signalling. MARCONI'S WIRELESS TELEGRAPH CO., Ltd. Jan. 6, 1937, No. 423. Convention date, Sept. 9, 1936. [Class 40 (v)] Two crossed loops 1, 2, Fig. 1, feed two similarlv-tuned circuits which are mutually coupled together at M so that M# =R1 =R2. The amplitude of the currents received from a distant transmitter then remains constant in both circuits, though the phase vector of the current in one circuit follows the direction of the incoming wave + alpha0, whilst that in the second circuit rotates in the opposite direction -alpha0, the two vectors 11, 12, Fig. 2, being mirror images in respect of the axis xx. If a third coil L3, Fig. 5, fed from a vertical or open aerial E, adds a constant phase component, a " phase " cardioid is produced. This is shown shaded in Fig. 3, and by contrast with the " amplitude " cardioid (shown unshaded) possesses a more sharply - defined " zero " response. It also gives a unilateral indication without the necessity for switching-over from a figureof-eight to a cardioid diagram. The sharpness of the critical angle can be increased by using a limiter in the receiving set. Instead of applying the cardioid phasevector to the input circuit, it may be introduced in the intermediate frequency stages of a superhet receiver, Fig. 7 (not shown). The output from the set can be switched over from headphone reception to a Neon -lamp indicator mounted over a bearing scale. When flying directly on to a beacon transmitter, the directional indication shown remains constant on both sides of a reversing switch, though any deviation to right or left is accompanied by a corresponding deflection of the indicator. The method of coupling is applicable to Adcock and other forms of directional aerials. For instance, two spacedaerial systems, when so coupled together, give an equally-sharp directional response for a closer spacing of the individual antennae than usual.
Patent GB-1486661-A (GB)
Title: Cooling apparatus for shaft seal
IPC: F16J15/16
Filed: 1975-01-06
Abstract: 1486661 Shaft seals CARRIER CORP 6 Jan 1975 [21 March 1974] 438/75 Heading F2B In order to prevent, in e.g. a turbine shaft seal, bushing seals from over-heating druring start-up or slow-running, some or all of the bushing seals are cooled by coolant circulating in a self-contained circuit. A barrier fluid is supplied under high pressure from pump (76, Fig. 2, not shown) to port 33 and lubricates floating bushing seal 24, which is optionally uncooled. Leakage of barrier fluid into the working fluid space is removed via purge line 32. A valve (82) is responsive to the pressure of the working fluid to maintain the required pressure differential of the barrier fluid. Coolant is circulated by low pressure pump (71) to space 60 to cool the finned floating bushing seals 40, 41 and 42.
Patent GB-1369653-A (GB)
Title: Fuel control system for gas turbine engine
Inventor: TAYLOR J S
IPC: F02C9/26
Filed: 1971-01-06
Abstract: 1369653 Gas turbine engine fuel systems JOSEPH LUCAS (INDUSTRIES) Ltd 29 Dec 1971  [6 Jan 1971] 559/71 Heading F1G The subject-matter of this Specification is the same as that of Specification 1369651, but the claims are concerned with a gas turbine engine fuel system including a fuel reservoir, a main pump for supplying fuel from the reservoir to the engine, a pilot valve responsive to engine operating conditions and a spill valve for returning fuel from the metering valve outlet to a part of the system upstream of the pump, the spill valve comprising an inlet communicating with the metering valve outlet, an outlet communicating with a zone upstream of the pump, a closure member responsive to a servo operating pressure to open the outlet and biasing means also urging the closure member to open the outlet, the servo pressure being derived from the pressure at the metering valve inlet and being responsive to the position of the pilot valve.
Patent GB-764842-A (GB)
Title: Improvements in or relating to a puncturable cartridge ampoule
IPC: A61M5/24
Filed: 1955-01-07
Abstract: 764,842. Hypodermic injection devices. STERLING DRUG, Inc. Jan. 7, 1955 [Jan. 8, 1954], No. 584/55. Class 81(2) A syringe ampoule comprises a synthetic resin cylindrical body 30 having an integral diaphragm 34 at one end so as to be puncturable by a hypo. dermic needle 14. The medicament is retained by a close-fitting slidable stopper 36 inserted in the open end of the ampoule. Preferably both the body and stopper are moulded from polyethylene and the latter may have a threaded recess 38 for engagement with the plunger rod 20.
Patent GB-901716-A (GB)
Title: Improvements in or relating to photographic processing apparatus
Inventor: HOLLOWS JACK
IPC: G03D3/13
Filed: 1960-01-07
Abstract: 901,716. Photographic processing apparatus. UNIT TOOL & ENGINEERING CO. Ltd. Dec. 29, 1960 [Jan. 7, 1960], No. 593/60. Class 98 (2). Apparatus for processing photographic paper comprises a sequence of tanks (10-15) containing various processing liquids, rollers 17, 18 for feeding paper into the tanks and progressing it therethrough, and means for guiding the leading edge of the paper horizontally across the top of the tanks; the rate of feed of the paper by the rollers is in excess of the rate of travel of the guide means, so that the paper is fed into the various tanks in loops. As shown, the rollers 17, 18 are driven at a uniform speed by a chain drive 22. The guide means are bars 29 on chains 23 which are carried by sprockets 24, 25. The paper is initially unwound from a spool 16, and is fed into the first (developing) tank 10 where it is immersed to the required depth by a roller 27 at the end of a movable vertical rod 26. The leading edge is then attached to one of the bars 29, which carry it across the top of tank 11, but at a slower rate than the paper is being unwound from the supply spool by rollers 17, 18. Thus a loop of paper accumulates behind the leading edge, and hangs down into tank 11. A similar loop of paper accumulates in each tank. Rollers 18 may be lifted away from rollers 17 to allow threading. The drawing shows one paper strip x beginning its traverse through the apparatus, and another strip y finishing its traverse. After leaving the final tank, the paper passes round a drying drum 19 and on to a take-up spool 20.
Patent GB-1164742-A (GB)
Title: Improvements in or relating to a Blade Sharpener and a Hand Manipulated Knife employing the same
Inventor: BETTCHER LOUIS ANDREW
IPC: B24B3/36
Filed: 1967-01-04
Abstract: 1,164,742. Cutting-appliances. L. A. BETTCHER. 4 Jan., 1967 [10 Jan., 1966], No. 597/67. Heading B4B. [Also in Division B3] An annular blade 13 has one end turned inwardly to form a cutting edge 15. A peripheral groove 19 in the outside surface of the blade is engaged by an inwardly extending flange 18 on a ring member 16 which is split so that it can be opened out to engage the flange with the groove. The member 16 is attached, by screws 21, 22 passing through lugs 23 formed on the member 16 at each side of the split, to the base 20 of a hollow handle 11. The base 14 of the blade 13 has axially projecting 'gear teeth 24 meshing with a drive gear 25 on a shaft 26 located within the handle 11 and driven, through a flexible shaft, by a motor. Lubricating means may be provided. In use the portion of the blade remote from the handle is pressed against the work and the knife drawn along the work to sever a strip or slice which passes through the blade and its support. Means 31 are provided for sharpening the blade.
Patent GB-279017-A (GB)
Title: Improvements in and relating to airships
IPC: B64B1/58
Filed: 1927-01-08
Abstract: 279,017. Diago, F. G. Oct. 15, 1926, [Convention date]. Ground anchors.-An air. ship is anchored by a heavy ball 64 and a toothed holding member 63. The sides of the ball have two grooves 66 adapted to engage w i t h parallel rails on the ground at a landing place.
Patent GB-656376-A (GB)
Title: Combined tube-connectors and tube-flarers
IPC: F16L19/10
Filed: 1949-01-10
Abstract: 656,376. Pipe joints. SOMMA, R. Jan. 10, 1949, No. 665. [Class 99(i)] '[Also in Group XXII] A tube connector in which the end of a tube 13 is flared during coupling comprises a screw-threaded spigot 10 having an abutment 17 and a bore 20 surrounded by a flare-gripping seat 19, a socket member 11 having a tube-receiving passage 24 surrounded by a deflecting surface 26 which is inclined in the same direction as the seat 19, and a band 12 which fits on the tube 13 and has an inwardly bendable gripping flange 28, adapted to be forced into the pipe 13 by the surface 26 and an integral projection 29 which engages the abutment 17 prior to the co-operation of its seat 19, the projection 29 being displaced by the abutment only after the flange 28 grips the tube. The tube is first placed in the member 11 and the band 12 positioned whereupon on engaging the parts 10, 11 the flange grips the tube and the projection 29 yields to allow the tube to ride up the seat 19. The spigot 10 may be provided with a threaded stem 15 or may comprise a double-ended fitting for two tubes.
Patent GB-716139-A (GB)
Title: Improvements in or relating to friction clutches or brake devices
Inventor: CROFT ARTHUR
IPC: F16D65/22
Filed: 1952-01-09
Abstract: 716,139. Friction clutch. CROFTS (ENGINEERS), Ltd. Jan. 9, 1953 [Jan. 9, 1952], No. 692/52. Class 80 (2) [Also in Group XXXIV] A fluid operated clutch or brake comprises one part having a trough 6 containing a tube 7 distensible by fluid pressure to engage friction elements 9 with a co-operating part 10 each friction element being reduced to form at least one bridge portion 11 against which bears a disengaging leaf spring 12 having shaped ends engaging in openings 14 in the walls of the trough, torque bars 18, with trunnion ends 19 also engaging in holes in the trough walls, separating the friction elements. The end surfaces 17 of each friction shoe engaging the torque bars are parallel and as shown the reduced bridge portions 11 so shape the friction elements that each has two friction engaging surfaces 16. The under surfaces of the friction elements are recessed as at 15 to provide a space into which the distensible element may expand. In a modification, Fig. 3 (not shown), the trough containing the distensible tube, friction elements &c. comprises the outer member, the friction element being moved radially inwards for engagement, instead of outwards.
Patent GB-638240-A (GB)
Title: Improvements in and relating to parallelogram link drives for locomotives
IPC: B61C17/08
Filed: 1948-01-09
Abstract: 638,240. Linkwork couplings. ENGLISH ELECTRIC CO., Ltd., and HUGHES, J. O. P. Jan. 9, 1948, No. 711. [Class 80 (iii)] To allow of misalignment and tilting a linkwork coupling for connecting a driving member 1 to a driven member 5, and particularly for driving a locomotive axle, comprises links 2 pivotally connected to a ring member 1 and an intermediate floating member 3 and links 4 pivotally connected to the intermediate member and radial arms 5 of the driven member, the arrangement of the links, arms and floating member being symmetrical to a central plane perpendicular to the axis of rotation. Rubber bushings may be provided for the links.
Patent GB-119780-A (GB)
Title: Improvements in and relating to Electric Welding Systems.
IPC: B23K9/067
Filed: 1918-01-14
Abstract: 119,780. British Thomson - Houston Co., (General Electric Co.). Jan. 14, 1918. Heating by electricity.-An energy consuming device is included in a constant-current welding circuit prior to the establishment of the arc and is automatically cut out when the arc strikes. Fig. 1 shows one arrangement. A resistance 8 is included in the circuit, but, when the arc strikes, the current flowing through the solenoid 9 lifts a switch 10 to short-circuit it. Fig. 2 shows an arrangement in which the generator has a separatelyexcited field winding 12, the circuit of which is completed by the electro-magnetic switch 17 when the arc is struck. At the same time, the electromagnet 20 is energized and cuts out the resistance 8.
Patent GB-306934-A (GB)
Title: Improvements in change speed gears
IPC: F16D23/12
Filed: 1929-01-01
Abstract: 306,934. Kiess, O. Feb. 28, 1928, [Convention date]. Void [Published under Sect. 91 of the Acts]. Variable-speed gearing upon vehicles is operated so that the effort for changing gear and also for disconnecting the main clutch is supplied by the engine. A cam barrel 32 driven from the engine shaft 1 when required operates both the selector bars 25, 27 and the lever 63 which disconnects the engine clutch 9 through sleeve 14. A disc 8 fast upon the driving-shaft 11 of the change-speed gear A is normally gripped between the fly-wheel 2 and a ring 3 pressed by springs 5. A face cam 62 on barrel 32 opens this clutch. The barrel 32 is operated as required from a shaft 46 con. stantly driven through worm gearing 43 from a gear 45 secured to clutch casing 4 in turn fast to fly-wheel 2. The barrel 32 is adapted to be driven from a stepped gear 47 splined on shaft 46 at two speeds, a low speed for putting in the direct and reversed drives and a higher speed for putting in the two middle speeds. In the change gear A, a gear and clutch 22 and a pinion 21 are severally connected to slide with the selector bars 27, 25. The barrel 32 has two gear-changing cam grooves 52, 53 which act selectively upon a pin 35 supported in a sliding guide 33. Selective and trigger control move. ments are started by a ball lever 41 and are guided by a pin 69 guided in an H slot or gate 68 in the gear-case cover. The pin 69 is carried by a lever 37 which pivots on cam follower 35. Fitting over lever 37 so as to slide thereon is a rack slider 39 carrying a socket 39<1> engaged by the ball end of control lever 41. Movement of lever 41 perpendicular to the plane of Fig. 1 causes the bars 27, 25 to be selectively engaged by horns 38 upon swing lever 37. The trigger movement of lever 41 in the plane of Fig. 1 places the heel of pin 35 either at point 58 or at point 59 of Fig. 13. The gear 47 is engaged only momentarily to turn the barrel, and this is effected through the heel of the pin 35 being cut away as shown in Fig. 10 so that as pin 35 is turned round by rack slider 39, there is lost motion enough for the gear 47 to be thrown to one side or the other through lever 54. The cam 62 acts on the main clutch at the same time as either groove 52 or groove 53, as selected, acts on the pin 35 to effect the required gear-change as a power enforcement following the initial movement of control lever 41.
Patent GB-160970-A (GB)
Title: Improvements in or applicable to coin operated locks
IPC: G07F17/14
Filed: 1920-01-10
Abstract: 160,970. Raynor, G. Jan. 10, 1920. Fastenings for doors; securing to supports.-In order to protect the money-box of a coin-freed lock and also to prevent the lock from being forced off the door, the lower part of the lock B containing the money-box is covered by a plate A carried by an arm C hinged at C<1> to a plate E bolted to the door. The plate A is locked in position by a staple G passing through a slot in the arm C and secured by a padlock H. The staple G is carried by a plate secured to the door by screws which are covered by the arm C when this is in locking position.
Patent GB-1489271-A (GB)
Title: Apparatus and a method for filling a pressing die cavity and for pressing granules therein
IPC: B30B15/30
Filed: 1975-01-09
Abstract: 1489271 Powder metering apparatus DEUTSCHE GOLD - UND SILBER - SCHEIDEANSTALT 9 Jan 1975 [9 Jan 1974] 916/75 Heading B8N An apparatus for ensuring exact filling of a pressing die cavity with powder granules comprises a feed slide 8 movable under a storage container 7 to receive a volume of granules exactly equal to the volume of the die cavity, the feed slide being advancable to a forward position with its powder pocket beyond the die cavity, Fig. 4c. A plate 10, Fig. 5a, may be interposed between the slide 8 and the die to close the slide in the downward direction until the pocket is over the die cavity where the plate is retracted. The powder may be metallic or non-metallic such as ceramics, ferrites, titanates compressed to form wafers for electronic supports, insulation plates, wall or floor tiles.
Patent HU-T58159-A (HU)
Title: Circuit arrangement for reversing direction of a magnetic field
Inventor: ZUCKER FRIEDHELM
IPC: G11B5/02
Filed: 1989-11-17
Abstract: PCT No. PCT/EP89/01391 Sec. 371 Date Jun. 17, 1991 Sec. 102(e) Date Jun. 17, 1991 PCT Filed Nov. 17, 1989 PCT Pub. No. WO90/05980 PCT Pub. Date May 31, 1990.A circuit arrangement for reversing a magnetic field, in which an oscillator has a coil connected in parallel with a capacitor. First and second diodes are connected oppositely-poled in a series circuit, which is connected in parallel with the coil and capacitor of said oscillator. A first electronic controlled switch is connected in parallel with the first diode for bypassing this diode, whereas a second electronic controlled switch is connected in parallel with the second diode for bypassing thereof. Energy is supplied to the oscillator whenever the capacitor discharges. The junction of the series connected diodes is connected to the junction of the series-connected switches.