baber/WOPTO huggingface dataset:
Patent GB-1377302-A (GB)
Title: Optical information retrieval system
IPC: G06E3/00
Filed: 1972-01-12
Abstract: 1377302 Holographic data store NIPPON TELEGRAPH & TELEPHONE PUBLIC CORP 12 Jan 1972 [20 Jan 1971] 1450/72 Heading G4A [Also in Division G2] An optical information retrieval apparatus includes a hologram store in which digital data is written by means of a 2 out of N spatially modulated laser beam, a means for spatially 2 out of N modulating an interogating laser beam in accordance with information to be located in the store, and a means for detecting an oscillating output signal from a photo-detector indicating that the desired information has been located. The hologram store may be formed on a tape 5<SP>1</SP> by passing a laser beam through a light deflector 12, a cylindrical lens 10, a spherical lens 11, and a modulator. The modulator may be a simple mechanical shutter having the apertures, any selected two shutters being opened in order to modulate the laser beam. The Specification states that an electric shutter formed by an electronically actuated electrooptic crystal or an electromagnetic shutter using the principle of a ribbon microphone may be used. A series of holograms are then formed by interference on the tape, a mask being used to control the size of each hologram. A matrix array of holograms is formed with each hologram storing, e.g. a single character. In order to retrieve information from the store the laser beam is modulated in the same way in accordance with the required keyword. The resulting light beam output is passed via spherical 14 and cylindrical 15 lenses to a photodetector 16. The resulting signals are fed to a high-pass filter having a out-off frequency proportional to the scanning velocity of the beam and the pitch of the modulator apertures and inversely proportional to the beam wavelength and the focal length of the spherical lens 11. The Specification gives the theory in which it is shown that where coincidence is found the output signal oscillates with a wave envelope and where no coincidence is found the output signal has a lower amplitude and a much lower frequency (viz, that of the wave envelope itself). The interogation may be performed using the additional equipment shown at the bottom of the drawing. A scanning laser beam "2" interrogates the stored data, the resulting beam being passed via a spherical lens 19 to a detector 20.  The detector may be individual photodiodes each connected to a high-pass filter. The Specification states that a comb filter may be used in place of the high-pass filter. Alternatively, a homodyne oscilltor detection method may be used. The specification also states that instead of scanning the laser beam, the hologram store may itself be moved.
Patent GB-620363-A (GB)
Title: Irrigating device for plants
IPC: A01G27/00
Filed: 1947-01-16
Abstract: 620,363. Treatment of growing plants. CAUCHANER, D. Jan. 16, 1947. No. 1460. [Class 6(ii)] Plant irrigation is effected from a conical or pyramidal, porous or perforated reservoir b formed with a duct a extending above ground level. A float c carries liquid-level indicating means d.
Patent GB-361698-A (GB)
Title: Improvements in safety razors
IPC: B26B21/10
Filed: 1931-01-16
Abstract: 361,698. Safety razors. KOLB, W., 4, Schlosskirchenweg, Pforzheim, Germany. Jan. 16, 1931, No. 1513. [Class 30.] A wafer blade d of a safety razor without a cover plate is held longitudinally curved against a similarly curved supporting guard plate b by the turned over end c of the 'plate co-operating with a latch g slidable in a casing f at the other end of the blade. The latch is pressed towards the blade by a spring i and retracted by a finger piece k to allow the blade to spring away automatically. The plate b carries locating pins e engaging blade apertures. To permit of folding, there may be a hinge either between the blade holder and the handle or in the handle.
Patent GB-1402203-A (GB)
Title: Load diverter switch
IPC: H02P13/06
Filed: 1973-01-11
Abstract: 1402203 Regulating switches; transformers MASCHINENFABRIK REINHAUSEN Gebr SHEUBECK KG 11 Jan 1973 [3 Feb 1972] 1552/73 Headings H1N and HIT A load diverter switch LU for use with a selector switch associated with a tapped regulating transformer Tr comprises first and second fixed main contacts D1 and D2 each connected via an individual resistor R1 and R2 to a respective fixed auxiliary contact H1 and H2, a further resistor Rz being connectable by auxiliary switch means Hz between the auxiliary contacts H1 and H2, the resistance of Rz being at least ten times that of either resistor R1 or R2, and contact means K co-operable with the fixed contacts to connect them selectably to a load output line LA, drive means M being mechanically coupled to contact K and auxiliary switch means Hz such that in transferring line LA from first contact D1 to second contact D2 the electrical connection is in turn broken at the first main contact D1 while maintained via resistor R1 then made via resistor R2, broken via resistor R1 and made through second main contact D2, the auxiliary switch means Hz being rendered conductive before the connection via resistor R1 is broken and again rendered non-conductive before connection is made through the second main contact D2. As shown the contact K is on a rotary selector arm but in another embodiment four individual movable contacts may be selectably connectable to respective contacts D1, H1, H2 and D2. The rotary contact K may, of course, remain in engagement with auxiliary contact H1 or H2 in its respective end positions. The resistor Hz is not more than one hundred times the resistance of either of resistors R1 or R2.
Patent GB-234016-A (GB)
Title: Improvements in water heaters or geysers
IPC: F24H9/20
Filed: 1925-01-19
Abstract: 234,016. Smith, T. H., and Smith, C. H. Jan. 19, 1925. Burners, mounting. - In a water heater, the whole burner 13 is hinged upon a plug cock 27 and a wire 38 passes over the pulley 37, and has its ends connected to a soldered lug 39 and to a drum 40 on the spindle of the water-valve 6. The opening of the valve 6 winds up the wire and brings the burner into operative position, turning on the gas at the same time. If the water supply fails or overheating otherwise occurs the soldered lug 39 falls away and the burner is released.
Patent GB-370518-A (GB)
Title: Improvements in pressure retorts or sterilising, cooking and cooling machines
IPC: A23L3/04
Filed: 1931-01-17
Abstract: 370,518. Cooking and sterilizing canned food &c. SERGEANT, C. R., 9, Byron Street, West Hartlepool, Co. Durham. Jan. 17, 1931, No. 1616. [Class 49.] In apparatus for cooking or sterilizing food &c. in sealed cans or other containers, the treatment vessel is provided with inlet and outlet valves and internally with prolonged paths for the cans so that the cans are fed into, passed through and delivered from the vessel in files. In one form, Figs. 1 and 2, files of cans are supplied by a rotary valve 4 to the treatment vessel 1 and are carried therethrough on runways 19 by an endless chain conveyer 24 having cross-bars 25 which engage the cans. The files of cans leave the vessel 1 through a rotary valve 5 which is operated in synchronism with the valve 4 and the conveyer 24 from a common driving means. The conveyer 24 and runways 19 are supported on a framework 44 which has rollers 47 running on rails 48 on which it can be withdrawn from the vessel 1. When small cans are being treated, members 51, Fig. 4, may be secured by screws 51<1> in each compartment in the valve 4 so as to bring the outer periphery of the cans into line with that of the valve and prevent jamming of the valve. In another form, Figs. 5 and 6, the cans are supplied to and withdrawn from the vessel 1 by slide valves 4, 5 each having a series of openings 7, 16 to take a file of the cans. Alternatively, each valve 4, 5 may be formed of a number of valves 51, Fig. G, having a common gudgeon pin 53<1> and each having an opening 52 to take one can and sliding in a separate compartment in a casing 6a. The cans pass through the vessel 1 by gravity, moving step by step on runways 19. In other forms, a plurality of conveyers each moving in a direction opposite to the next one and taking the cans in a zig-zag path through the vessel, or an endless conveyer having pivoted cradles for the rows of cans may be employed. The Provisional Specification describes the use of similar apparatus for subsequent cooling of the cans.
Patent GB-377566-A (GB)
Title: Improvements in or relating to brake mechanism
IPC: B60T11/00
Filed: 1932-01-19
Abstract: 377,566. Brake transmitting mechanism. FORD MOTOR CO., Ltd., 88. Regent Street, London.-(Assignees of Wellman, C. E. ; 22211, West Morley Avenue, Dearborn, Michigan, U.S.A.) Jan. 19, 1932, No. 1664. Convention date, Sept. 30, 1931. [Class 103 (i).] . A device for resiliently supporting transmission rods of brake mechanism particularlv for motor vehicles, against transverse vibration while acting also to return the rods and mechanism to the inoperative position, comprises a length of spring steel wire bent into a convolution at 23 and formed at each end with an eve. One eye is secured to a fixed support which, as shown, is a torque tube 18 of a motor vehicle and the other eye 22 abuts on a projection 17 formed upon the brake rod 15. The chassis frame is shown at 10. The device is shown as applied to brake rods extending from a transverse operating shaft to the front and rear brakes of a motor vehicle. Specification 360,771 is referred to.
Patent GB-766560-A (GB)
Title: Improvements in or relating to sound recording or reproducing apparatus
Inventor: DOUGLAS ERIC CHARLES
IPC: G11B3/08
Filed: 1954-01-20
Abstract: 766,560. Magnetic rewriting and reproducing apparatus. ELECTRIC & MUSICAL INDUSTRIES, Ltd. Jan. 20, 1955 [Jan. 20, 1954], No. 1667/54. Class 40 (2). [Also in Group XXIV]. Sound reproducing and recording apparatus, using a record in the form of a pliant disc coated with a suitable magnetic material, is provided with gearing giving a slow forward speed and a relatively fast reverse speed (see Group XXIV). The apparatus comprises a turn-table 3, Fig. 1, a circular tracking disc 6, a magnetic transducing head 5 at the end of an arm 4 and a microphone in a casing 18 including controls 19, 20 for the forward-reverse gear. The apparatus, which is substantially similar to that described in Specification 697,161 includes a loud-speaker 8, and a scale 11 cooperating with a pointer attached to the arm 4 of the transducing head 5 to indicate the amount of recording time available on a particular record. A rotatable member 13 defines the outermost position of the arm 4, in the manner described in Specification 697,165. A pressbutton 14 combined with the member 13 is effective to energize a buzzer housed in the cabinet 1 of the apparatus to actuate a switch so that an audible tone is recorded to indicate, for example, that a correction is to be made when the recorded matter is transcribed. Headphones may be connected to a socket 17 and used in place of the loud-speaker 8. The apparatus may be used to record a message received from a telephone line, or for reproducing a recorded message into a telephone line, and a control 10 is provided for this purpose. The turntable 3 is driven from an electric motor 35, Fig. 2, having a stepped driving spindle 41, 42, the larger step 42 of which drives for the slow forward speed through a friction idler 44 fast with an idler 45 to the inner flange 24 of two concentric circular flanges 24, 25 beneath the turn-table 3. To obtain the relatively fast reverse drive for back spacing of the arm 4 on the magnetic disc, the smaller step 41 of the driving spindle engages a friction idler 54 which engages the outer flange 25. The engagement of the idler wheels 45, 54 with their respective flanges and the engagement of a brake 62 with the turn-table is effected electromagnetically. In a modification, Fig. 4, the electric motor (not shown), drives through toothed gears 102, 108 and a friction wheel 109 to a friction idler 110 which is engageable with either the inner flange 24 or the outer flange 25 on the turn-table 3. To give an additional speed, a two-speed electric motor may be used. Specifications 702,345, 704,175, 739,295, [Group XXXIV], and 744,922, [Group XXIV], also are referred to.
Patent GB-1174113-A (GB)
Title: Process for Discharging Unburned Waste Gas from Oxygen Top-Blowing Converter
IPC: C21C5/38
Filed: 1967-01-12
Abstract: 1,174,113. Regulating off-gas from converters. YAWATA IRON & STEEL CO. Ltd., and YOKOYAMA ENG. CO. Ltd. 12 Jan., 1967 [17 Jan., 1966], No. 1674/67. Heading F4B. [Also in Division C7] In a process for discharging the waste gases from an oxygen top blown converter the oxygen blow is started with a movable hood in the raised position, the hood is then lowered (e.g. after the oxygen has ingnited) and the pressure within the cooling system is kept within the range - 1 to - 10 mm. of water by regulating by a damper, the flow of waste gas in the recovery system so that a small amount of air flows in through gaps caused by imperfect sealing of the movable hood with the top of the converter thus preventing leakage of the waste gases to the atmosphere. The recovery system is preferably purged with an inert gas prior to the start of the oxygen blow. In the Fig. the pressure regulation is by means of damper 8 which may be automatically coupled with the pressure regulating device 9 controlled by the preset pressure indicating means 10.
Patent GB-1136641-A (GB)
Title: Device for measuring the leak-tightness of filtering masks
Inventor: ULMANN PAUL
IPC: A62B27/00
Filed: 1966-01-13
Abstract: 1,136,641. Testing the leak tightness of respiratory masks. COMMISSARIAT A L'ENERGBE ATOMIQUE. 13 Jan., 1966 [21 Jan., 1965], No. 1708/66. Heading A5T. Apparatus for testing the leak tightness of respiratory masks comprises an inflating system 1a including at least one inflatable head 6, 7 over which the facepiece to be tested is placed, said head being inflatable by pump means 2, deflating means 4, and a manometer 10 disposed in said inflating system at the end which is remote from said pump means, and a system 1b for producing a partial vacuum in the facepiece comprising a suction pump 11, valve means 12 to regulate the degree of vacuum produced beneath said facepiece, flowmeters 14, 15 for measuring the evacuation rate from said face piece, and manometer means 18 disposed in said partial vacuum system at the end remote from said suction pump 11 and protected by fluid traps 19, 20. The maximum volume of each inflatable head is limited by a microswitch 8, 9 controlling the inflating pump 11. In use a face mask is placed over an inflatable head, the interior of the face mask is connected, to the suction pump 11 and the manometer 18 through changeover valves 16, 17 and a needle valve 12 is adjusted to give a partial vacuum in the face mask corresponding to that reached on inhalation during use of the mask. The rate of evacuation of the face mask measured on the flowmeters 14, 15 while this partial vacuum is maintained in the face mask is equal to the rate at which air leaks into the face mask during inhalation.
Patent GB-1254791-A (GB)
Title: Fluid flow control valves
Inventor: HOWARD ARTHUR
IPC: E03B9/02
Filed: 1969-01-11
Abstract: 1,254,791. Valves. W. H. BAILEY & CO. Ltd. 25 Feb., 1970 [11 Jan., 1969], No. 1771/69. Heading F2V.  A regulating valve comprising an inlet 13, an outlet 14, and resilient means 39 biasing a balanced valve member 22 away from its seat 17, is characterized by a Venturi 51 and means 55, 56 enabling the pressure reduction at the throat 53 to act to supplement the action of the resilient means 39. The valve member may be locked in the closed position by operation of the hand wheel 48. As shown, the spring 39 acts on a piston part 21 via a diaphragm 34. The latter may be replaced by a bellows or slide seal.
Patent GB-665011-A (GB)
Title: Improvements in and relating to pirns or cop-tubes for textile yarns
IPC: B65H75/10
Filed: 1949-01-22
Abstract: 665,011. Pirns &c. TAYLOR, J. S. Jan. 20, 1950 [Jan. 22, 1949], No. 1807/49. Class 120(iii) A pirn of cop-tube for use in automatic looms comprises a tubular adaptor 5 corresponding externally in size and shape with the head of a pirn for an automatic loom shuttle, one end of said adaptor being wider than the other and into which adaptor from the wide end a pirn 7 for use in a non-automatic loom shuttle is forced and held only by friction between the inside of the adaptor and the outside of this latter pirn, in a manner which allows it to be removed if required. Instead of separate rings being provided on the adaptor as shown, annular protuberances may be formed on the exterior surface of the adaptor and in one with it. The adaptor may be made by casting, moulding or turning from metal or a plastic.
Patent GB-210432-A (GB)
Title: Improved process for de-hydrating alcohol
IPC: B01D3/00
Filed: 1924-01-23
Abstract: To dehydrate alcohol by means of potassium acetate, a substance is added which is soluble in alcohol and in potassium acetate solution and which will cause swelling of the potassium acetate on drying. Suitable substances are higher or cyclic alcohols, phenol or cresol. In an example, dry potassium acetate and phenol, cresol &c. are mixed with alcohol and the mixture distilled at 92 DEG  C.  About one half the alcohol is distilled over.  The remainder of the alcohol is removed and the residue dehydrated and swelled either by effecting the further distillation in vacuo, or by distilling up to 95 DEG  C. and completing the drying in vacuo.  The Specification as open to inspection under Sect. 91 (3) (a) refers also to the addition of esters such as lactic esters.  This subject-matter does not appear in the Specification as accepted.
Patent GB-413370-A (GB)
Title: Face lotion
IPC: A61K8/92
Filed: 1933-01-20
Abstract: 413,370. Cosmetics. TEALE, V. M., 6, Brompton Square, Chelsea, and RICHARDSON, E. M., 12, Ashburn Gardens, South Kensington, both in London. Jan. 20, 1933, No. 1864. [Class 131.] A cleansing, feeding, and astringent face lotion consists of Eau-de-Cologne, orange flower water, rose water, cherry laurel water, borax, and the substance sold under the Registered Trade Mark " CrÛme Simon ".
Patent GB-582706-A (GB)
Title: Improvements in and relating to thermostatic control means for steam traps and other valves
IPC: F16T1/08
Filed: 1942-02-12
Abstract: 582,706. Steam traps ; thermostats. HEDGELAND, F. G. Feb. 12, 1942, No. 1894. [Class 64 (ii)] A thermostatically controlled steam trap comprises a vessel 1 having a central boss 3 surrounding the outlet, and an inlet connection 5. A tubular element 7 and a valve seat 6 are screwed into the boss 4a of the cover plate 4 and the boss 3 respectively. A symmetrical bowed bimetal element 8 is clamped beneath a shoulder on the tube 7 by means of a nut 7b, the free ends 8a of element 8 making tangental frictional contact with a neck 9a in the spindle 9, and thereby supporting it, so that contraction of element 8 causes the spindle 9 to rise within the tube 7 and so open the valve 10, while simultaneously rotating spindle 9 to make the valve self-cleaning. In a modification, the ends 8a of the bimetal element 8 are in the same vertical plane, so that contraction of element 8 causes axial displacement only.
Patent GB-823737-A (GB)
Title: Quick acting valve operating mechanism
IPC: F16K31/04
Filed: 1957-01-18
Abstract: 823,737. Spring mechanism. SPECIALTIES DEVELOPMENT CORPORATION. Jan. 18, 1957 [Feb. 10, 1956], No. 1898/57. Class 10. [Also in Groups XXIX and XXXV] A mechanism for operating a valve comprises a valve operating shaft 20, Fig. 2, mounted in a body, spring means 39 for storing energy for rotating the shaft, motor means 42 for loading the spring means, latch means mounted in the body for rendering the shaft rotating means ineffective when the valve is one condition of operation, means for rendering the latch means ineffective to permit the shaft to rotate and place the valve in another condition of operation and means responsive to the degree of loading of the spring means for rendering said motor ineffective when the spring means is loaded and for rendering the motor effective to load the spring means when the stored energy therein is partially expanded. The spring 39, tensioned by an electric motor 42, 45 connected to it at 40, closes a gate valve 17 via crank 19, shaft 20, and spring casing 22 connected to the opposite end of the spring until an arm 29, Figs. 2, 4, on the shaft abuts a latch 27 controlled by a solenoid 58, a switch 56 for which is closed by lever 59 moving on to a flat 28 on the spring casing. On moving switch 75, Fig. 8, downwards, battery B releases arm 29 from latch 27 via conductors 76, 79, closed switches 77, 56, solenoid 58 and lever 55, so that spring 39 rotates casing 22 to open valve 17, arm 29 abuts a latch 27a, and another lever and flat on casing 22 closes a switch 56a in series with latch-operating solenoid 58a, so that a circuit is prepared for releasing latch 27a and closing the valve when switch 75 is raised. As spring 39 unwinds, so motor 46 rewinds until the increased tension of the spring, due to arm 29 abutting latch 27a, stops the rotor and produces opposite rotation of the motor casing 43 against springs 65 compressed between bolts 66 on the valve body and one end of a slot 49 in a motor casing flange 47, until a motor casing abutment opens the normally closed motor switch 60. In order to close the valve, when mounted, e.g. on an aircraft or boat, in the event of a crash, the crash impulse closes switch 86 and energizes solenoid 84 to shift a switch arm 89 to complete the closing circuit 90, 81 and break the opening circuit 76, 79.
Patent GB-195479-A (GB)
Title: Improvements in devices for use in stopping, or gripping, wire, or other, ropes, and for analogous purposes
IPC: B61B12/12
Filed: 1922-01-23
Abstract: 195,479. Bullivant, F. A., and Selby, G. M. Jan. 23, 1922. Rope grips.-A grip for ropes, rods &c., comprises a pair of arms A, B, each having two gripping jaws a<1>, a<2> and b<1>, b<2> respectively, so that when the arms. are pulled by chains C, D they turn about a virtual centre situated in the axis of the rope E and between the two pairs of jaws, thus gripping the rope. The arms are not fastened together but interlocking projections keep them in the correct position relatively to each other and to the rope.
Patent GB-682227-A (GB)
Title: Improvements in electric incandescent lamps comprising a glass envelope, of which at least one part is made of moulded glass
IPC: H01K1/38
Filed: 1951-01-25
Abstract: 682,227. Electric incandescent lamps. PHILIPS ELECTRICAL INDUSTRIES, Ltd. Jan. 25, 1951 [Jan. 28, 1950], No. 1927/51. Class 39(i) In an electric incandescent lamp having a glass envelope with at least one part 1 made of moulded glass, a tubular extension 4 integral with the part 1 is provided to receive at least two leading-in wires 6 and an exhausting-tube 7 which are sealed therein, with the wires 6 located at opposite sides of the tube 7. Leading-in wires or supports for a plurality of filaments, and supports for screens which may be associated therewith, may be arranged in a circle around the exhausting-tube and sealed within the tubuar extension 4. The inner face of the part 1 is usually paraboloidal or part-spherical and provided with a reflective coating 2. A filament 5 may be mounted up on leading-in wires 6 prior to the sealing of the latter within the tubular extension 4, and its position relative to the reflector may be adjusted while the glass is still plastic after sealing.