baber/WOPTO huggingface dataset:
Patent GB-440238-A (GB)
Title: Improvements in or relating to arrangements for the conduction or conduction and radiation of ultra-short electro-magnetic waves
IPC: F16H7/08
Filed: 1935-04-27
Abstract: 440,238. Wireless signalling ; impedance networks. NAAMLOOZE VENNOOTSCHAP MACRINENERIEEN - EN APPARATEN FABRIEKEN MEAF, 30, Croeselaan, Utrecht, Holland. April 27, 1935, No. 12691. Convention date, April 27, 1934. [Classes 40 (iii) and 40 (v)] A two-conductor arrangement for the conduction or for the conduction and radiation of ultra-short waves consists of a plurality of periodically repeating parts of distributed capacity and self-inductance along the length of which the surge impedance varies and which are tuned to the operating wavelength. In one embodiment the repeating parts each comprise two sections x1, x2, Fig. 3, of constant but different surge impedance formed by sections of coaxial conductor 1, 2 having the inner conductor 1 of different diameter. Each repeating part is equivalent to a halfwavelength Lecher system as shown by the current and potential curves J, E respectively and the whole comprises a concentric feeder having the properties of a tuned filter chain, and may be used to feed a radiator. In a further embodiment each repeating part 12, 13, Fig. 4, comprises a disc 14 mounted on the inner conductor and surrounded by a jacket to form the section 12 and a portion 13 of coaxial conductor joined thereto. In a third embodiment, Fig. 4, each resonance element x1 x2, has the outer conductor removed from the portion x1 so that this portion is capable of free radiation. The current passes capacitatively between discs 15 attached to the outer conductor sections, collars 16 being attached to these sections to obviate parasitic oscillations. The radiating portions constitute regularly spaced Hertzian dipoles and produce a resultant directional characteristic which may be further enhanced by arranging the freely radiating portions only where the excitation is cophasal, i.e. by omitting alternate openings in the outer sheath, and a plurality of such systems can be combined side by side in the same plane with suitable reflectors. The invention is stated to be applicable to lines formed of two parallel conductors placed side by side and the surge impedance variations may be gradual.
Patent GB-1093843-A (GB)
Title: Reinforcement for shutters
IPC: E06B9/15
Filed: 1965-03-25
Abstract: 1,093,843. Roller shutters; door fastenings; clamps, stud and socket fastenings. HISAMICHI SUZUKI. March 25, 1965, No. 12721/ 65. Headings E1J, E2A and E2B. A reinforcement to strengthen a slat roller shutter against wind forces &c. comprises a reinforcing post 6 which is releasably anchored by a foot 8 to the floor 11 and is releasably secured to the slats 1 at one or more locations by means of clamps 12 adjustable around and along the post and held in position by screws 16, the ring of the clamp having secured thereon a finger 13 which is adapted to engage in a loop or eye 20 secured on the slat. The fingers may point upwards as shown at 13 entering the loop 20 from the bottom or downwards as shown at 15, entering a loop 21 from the top, the post 6 having one or more stays 7 secured thereto at an appropriate location and coupled thereto by a ring pin 23 passing through holes in ears 26 secured to the post and sandwiching therebetween the flattened end 29 of the stay 7 through holes in which the pin 23 also passes and the end of the stay being anchored to the floor by an anchoring bolt 30 passing through a stay-foot 32. The top of the stay may be located at the top of the shutter and the post 6 need only extend over an intermediate portion of the extended shutter. The finger 13 may be arranged horizontally to enter a loop by rotation of the clamp 12. The foot of the stay may terminate in a toe of T-form which is received through a slot in the top of the receptacle anchored in the floor and in which the toe is turned through an angle to anchor it in the receptacle. The posts may comprise the frame posts of a wicket gate or an intermediate post of the shutter.
Patent GB-1526027-A (GB)
Title: Subscription alarm system
IPC: H04N7/173
Filed: 1976-03-30
Abstract: 1526027 F.D.M. alarms HOCHIKI CORP 30 March 1976 12771/76 Heading H4M In an f.d.m. arrangement, individual apparatus, Fig. 4, receiving control or warning signals being in ' n groups, each of m apparatus in one-one correspondence with corresponding signal frequencies f 1 -f m , each group being in one-one correspondence with one of carrier frequencies F 1 , F 2  . . . F n , all carriers being received on common line 12, demodulation of the incoming signal to extract the warning or control signal(s) involves down-conversion of the carriers F 1 -F n  by at least one frequency converter, to at least one lower carrier frequency, the individual converted carriers being separated or processed in band-pass filters whose outputs are detected to produce for each group the alarm or control signals, resonant circuits tuned to the appropriate one of the frequencies f 1 -f m  being used to ensure that only that apparatus corresponding to the particular alarm of control signal frequency is actuated. The signals emanate from generators 10-11 to 10-mn, Fig. 3, of generators at the locations of subscribers in a wired TV system, the frequencies f 1 -f m  being used within each of the n groups of subscribers, the groups being characterized by the carrier frequencies F 1 -F n  of the modulators 11-1 to 11-n. The down-conversion at reception ensures that the bandpass filters are of relatively greater broadband character than would be the case without downconversion, the differential attenuation characteristics of such filters enabling a larger number of apparatus to be actuated. A single broadband converter may down-convert all carriers in common, Fig. 8 (not shown), or a plurality of converters equal in number to the number n of groups may either have a common local oscillator frequency; converting the carriers to n lower frequencies F 1 <SP>1</SP>-F n <SP>1</SP>, Fig. 4; or distinct ones, converting each carrier to a single lower frequency (Fo), Fig. 7 (not shown). Alternatively, Figs. 9, 10 (not shown), a plurality, x, sets of carriers; each of n/x distinct frequencies; may be converted in common by x converters, to either n (Fig. 9), or n/x (Fig. 10) lower frequencies.
Patent GB-243038-A (GB)
Title: Improvements in and relating to amplifying apparatus, particularly for wireless reception
IPC: H03F1/13
Filed: 1924-05-24
Abstract: 243,038. Taggart, J. Scott-. May 24, 1924. Thermionic amplifiers and detectors.-In order to minimize the tendency to self-oscillation, due to interelectrode capacity coupling, in a multistage high-frequency amplifier, the chain of circuits comprising the receiver are so arranged that tuned and untuned circuits alternate. As shown in Fig. 1, the tuned grid circuit L1, C1 is followed by an aperiodic plate circuit L3; the grid circuit of the following valve is untuned whilst its plate circuit C2, L4 is tuned. Fig. 4 shows the same system applied to three highfrequency amplifiers followed by a detector. Reaction may be applied to an intervalve circuit, or direct to the aerial as at L2, Fig. 1. In Fig. 5 a choke coil L6 shunted by a condenser C4, forming an aperiodic system, is interposed between the tuned circuits L1, C1, and L4, C2. The choke coils L3, Fig. 1, L2, L5, Fig. 4, and L6, Fig. 5, are preferably wound with highresistance wire; or other methods of deliberate damping may be utilized. According to the Provisional Specification the various tuning condensers may be controlled by a single handle. Specification 149,199 is referred to.
Patent GB-1460970-A (GB)
Title: Sashing appliance
IPC: E03C1/01
Filed: 1974-03-22
Abstract: 1460970 Basin/bidet units HARTMUTWOLFGANG MAIER-GERBER 22 March 1974 [24 March 1973] 12813/74 Addition to 1389419 Heading A4N The washing appliance of Specification No. 1389419 is modified in that the pedestal thereof includes a portion 31 beneath the bidet accommodating a waste water collection chamber 34 for receiving waste water from the bidet through a pipe 33, and a pump 40 for pumping water from said chamber, when the pressure therein reaches a predetermined value sensed by a transmitter 37 which actuates a switch 39 controlling the pump operation, to a common drain of the bowl and bidet, which also have a common set of fittings for mixed water supply. Portion 31 is generally horizontal and has a vertically adjustable support 45 underneath. A residual quantity of water in chamber 34 on switching off the pump acts as an odour trap. Portion 31 and the bidet may be moulded as a unit, said portion, the bidet, chamber 34, and the pump being pivotal together. A switch is provided for switching the water supply from the bowl to the bidet and vice versa.
Patent GB-514273-A (GB)
Title: Improvements relating to apparatus for removing leaves and other debris from a stream by water action
IPC: E02B8/02
Filed: 1938-04-29
Abstract: 514,273. Water supply. GIBBS, W. F;, and NAYLOR, R. O. April 29, 1938, No. 12820. [Class 68 (i)] Means for removing leaves &c. from a stream such as the water supply to a wheel or turbine' comprises a strainer B, and a deflector plate D inclined relatively to the strainer and spaced from the bottom of the stream while its upper end extends above high water level; a side baffle G extends from the plate D to a closed end H adjacent a sluice C, the baffle G and end H extending from the bottom of the stream to near the surface. When the sluice is slightly open, floating leaves &c. pass over baffle G to the outlet, while sunken leaves &c. pass directly thereto. A sluice, side baffle and end wall may be provided at each side of the stream. The strainer and plate D may extend obliquely across the stream, and the plate D may be adjustable, automatically or otherwise.
Patent GB-1185037-A (GB)
Title: Improvements in or relating to Measurements Devices
Inventor: BARR JOHN DENZIL
IPC: G01B9/02
Filed: 1966-03-23
Abstract: 1,185,037. Electronic counters. RANK ORGANISATION Ltd. 23 June, 1967 [23 March, 1966], No. 12827/66. Heading G4A. Apparatus for converting from one scale of measurement to another comprises a counter 2 responsive to input pulses and a branch circuit 18 responsive to the same input pulses to delete or repeat a certain proportion before they can be applied to the counter 2. As applied to a helium neon laser interferometer, such as described in Specification 1,126,744, which produces a train of pulses representative of the movement of a target, the wavelength of the laser light has to be converted into inches. By losing one pulse in 291 and dividing by 8,000 a very close approximation is achieved. In the branch circuit as counter 18 passes through 291 in forward or reverse direction so one or other NAND gate 21 or 22 operates to close AND gate 16 to an input pulse. The modified count is registered on binary stages 10-12 and decimal stages 13, 14. Conversion to centimeters may be arranged (Fig. 2, not shown) by emitting the first binary divider 10 and having two additive branch circuits feeding in via delay lines to add one pulse in four and one in fifty, respectively. The dividing ratio of counter 18 may be adjusted, step by step, with pressure or temperature which affect the wavelength of the laser beam (Fig. 4, not shown).
Patent GB-331026-A (GB)
Title: Improvements relating to the treatment of tobacco
IPC: A24B15/22
Filed: 1929-04-25
Abstract: 331,026. Development of Industries, Ltd., and Gavrilovitch, V. A. April 25,1929. Tobacco; cigarettes. - Tobacco or cigarettes are subjected to the effects of high-frequency electricity combined with ultra-violet, infra-red, or other rays, with or without ozone produced by the high-frequency electricity or by independent means. In addition, the tobacco may be subjected to the action of electric sparks. Fig. 1 shows one form of apparatus, in which the tobacco is fed from a hopper 4 by means of a feed roller 6 on to a moving band 1, whereby it is carried beneath a spreading device 7 and two sets of glass cylinders 8, 9 each lined with metal and provided with an electrode connected to a source of high-frequency electricity, the tobacco then passing beneath metallic brushes 12, 13, 14 also connected to the source of high-frequency electricity. The tobacco is thus subjected to the action of ultra-violet rays and ozone generated in the glass cylinders, and to the electric sparks produced between the brushes and the band 1. An arrangement of circuits is described for supplying the high-frequency electricity. A separate apparatus in which ozone is generated by electric means is also described; or the ozonizing may take place in a chamber having gauze shelves on which the tobacco is placed, a current of ozonized air being forced through by a fan. In another arrangement, the tobacco is laid on a metallic tray which is connected to a generator of high-frequency electricity, which is also connected to a lined glass cylinder placed above the tobacco. The tobacco may also be subjected to a preliminary treatment with ultra-violet or infrared rays as it passes through the hopper 4. Fig. 7 shows a device for treating cigarettes 63, which are arranged between two cylinders 58, 61 each made of an insulating-material and lined with copper on their adjacent faces 59 and 60, the high-frequency coil 62 being placed in the centre and the external cylinder covered with copper gauze, which is connected to the negative side of the device. A trough of water may be arranged under the band 1 to increase the sparking effect; or this may be replaced by aromatic plants or a chemical ingredient for improving the taste of the tobacco.
Patent GB-611374-A (GB)
Title: Improvements relating to means for clamping heating elements in electrically-heated apparatus
IPC: D06F75/24
Filed: 1946-04-30
Abstract: 611,374. Electrically heated irons &c. MOULSON, J. P. April 30, 1946. No. 12962. [Class 39 (iii)] In an electric iron or like heating device a clamping plate 3 is pressed against or towards a heating element 1 by a number of pressure plates or members 7, 9 having a plurality of spaced studs or projections 8, 10 which are the only parts of the pressure plates in contact with the clamping plate. As applied to an iron, the heating element 1 may be a resistance wire or ribbon contained between mica sheets and spaced from a thin U-shaped clamping plate 3 by asbestos 4. A front pressure plate 7 having projections 8 is secured at the toe of the iron by a nut 6 and screwed stud 5 attached to the sole plate 2. A back plate 9 with pressed-out projections 10 in its edges bridges the legs of the U-shaped clamping plate, being itself secured by nuts 6 and studs 5. A bridge piece 11 to which the cover of the iron is attached is similarly secured by nuts 6 and studs 5 but has end portions 12 which may be flat (as shown) or provided with projections. A plurality of superimposed layers of spaced pressure plates may also be used and, in a second example (Fig. 7, not shown) applied to electric heating apparatus generally, a circular clamping plate is pressed towards the element by three spaced pressure plates having projections, each of these plates being engaged by a projection of a central overlying pressure plate which is secured by a central nut and stud. The projections may be formed integral with the plate by pressing out, or they may be separate studs or rivets.
Patent GB-986584-A (GB)
Title: Method of and system for producing plates of compressible material
Inventor: HUTTER WILHELM
IPC: B30B7/02
Filed: 1962-04-04
Abstract: 986,584. Multiplaten presses: laminating. H. VAN HULLEN, and A. VAN HULLEN, [trading as NIEDERRHEINISCHE MASCHINENFABRIK BECKER & VAN HULLEN]. April 4, 1962, No. 13022/62. Headings B5A and B5N. A press sytem for pressing plate-like workpieces of wood, synthetic plastics and fibre carried on support plates comprises a first multiple-platen press 1 with heated pressing plates, a second multiple platen press 2 provided with cooled pressing plates, and means 3 for simultaneously transferring all the support plates from the first press immediately after treatment therein to the second press. The means 3 preferably consists of a plurality of rollers 10 arranged at the respective levels of the platens of the multi-platen presses, and has vertically arranged bars 8 which engage holes 9 on the support plates to pull them on the rolls. Further bars 11 catch behind the support plates to push them into the press 2. Feeding and discharging conveyers. 7 and 12 may be provided.
Patent GB-1092597-A (GB)
Title: Process for producing 5'-purine nucleotides
IPC: C12P19/32
Filed: 1966-03-24
Abstract: 51-Purine nucleotides are prepared by culturing a microorganism in an aqueous nutrient medium under aerobic conditions in the presence of at least one hydrocarbon as the main carbon source.  Purine bases may be added to the medium.  Examples prepare sodium 51 - inosinate, 51 - guanylic acid and 51-adenylic acid using strains of Arthrobacter simplex, Corynebacterium hydrocarbocrustus, Candida utilis and Aspergillus oryzae on a kerosene base.  Other genera and other hydrocarbons are specified.
Patent GB-1117556-A (GB)
Title: Improvements in or relating to apparatus for controlling a respiratory cycle to a patient
IPC: A61B5/08
Filed: 1966-03-24
Abstract: 1,117,556. Apparatus for indicating a respiratary cycle to a patient. E. GIORDANO. 24 March, 1966 [25 March. 1965], No. 13079/66. Heading A5K. An apparatus for indicating to a patient a respiratory cycle comprising the successive phases of inspiration, apnoea, expiration and apnoea, is illustrated with reference to Figs. 1 and 2, and comprises a board 1 on which is provided four tracks 11, 12. 13, 14 associated respectively with the four phases of the cycle and adapted to display movable luminous images, said tracks forming a closed curve. The apparatus being characterized in that there is associated with each track an adjustable time selector (switches 21, 22, 23, 24) controlling the time necessary for said movable image to sweep the corresponding track. Thus a luminous image may be produced by movable screen 41 rotating between light source 31 and track 11, the screen being rotatably driven by an electromotor through the medium of electromagnetic change-speed devices of which the gear ratio is determined by time selector 21. Figs. 3 and 4 (not shown) are represeptative of suitable wiring diagrams.
Patent GB-419153-A (GB)
Title: Improvements relating to book bindings
IPC: B42D3/00
Filed: 1933-05-05
Abstract: 419,153. Protecting the edges of book covers. STONE, H. B., 17, Craven Road, Addiscombe, Croydon, and JONES, P. H., Twinlock Works, Beckenham, Kent. May 5, 1933, No. 13118. [Class 16.] In a book cover a of the kind having a strip of resilient material such as indiarubber applied to the edges thereof so as to project outwardly from the edges, the resilient strip b includes a rib c adapted to be secured in grooves formed in the edges of the cover. The ribmay be secured in the groove by adhesive, and may be dove-tailed to fit an undercut groove. The strip may be wide enough to overhang one or both sides of the cover, and may be overlapped around the edges.
Patent GB-131649-A (GB)
IPC: B64C3/00
Abstract: 131,649. Tarrant, W. G., and Barling, W. H. July 5, 1918. Planes, arrangement of.-Solid panel members G are secured between the spars A, B, C, D, of superposed planes and oppositely-inclined struts E, F are connected between the spars and the ends of a diagonal of the panel G. The system of bracing may be carried out for any number of bays, and applied to main or tail planes &c.
Patent GB-1455911-A (GB)
Title: Electric heating devices
IPC: F24H1/10
Filed: 1974-03-26
Abstract: 1455911 Porous resistance heaters H J SCHLADITZ 26 March 1974 [27 March 1973] 13265/74 Heading H5H A fluid heater comprises a porous body 1 through which fluid flows made from felted polycrystalline metal whiskers grown from the gas phase and heated predominantly by thermal conduction from a heating resistor 4. In Fig. 1 the heating resistor 1 is wound on a heat conducting electrically insulating tube 2 formed by a layer of lacquer on the body 1. The metal whiskers are connected together metallically at their points of contact. In Fig. 2 (not shown) the heating resistor comprises an alloy tube insulated electrically from the enclosed porous body by a lacquer layer. The resistor tube may be formed of a wound strip whose turns are electrically modulated. The resistor tube is connected by a metal cap to one end of the porous body so that the body is heated by conduction and direct resistance heating. A thermally insulating jacket surrounds the resistor of both embodiments. In Figs. 3 and 4 (not shown) porous bodies in the form of discs alternate with resistors in the form of discs to form a column. The resistors may comprise carbon threads, felted or formed into a gauze, each resistor comprising several layers of gauze. Alternatively the discs may be of alloy screens or perforated plates or a felt made of organic or inorganic fibres of polycrystalline metal which have been coated with colloidal graphite. The resistance of the device may be adjusted by metallizing the heating resistors in situ by passing current through the column of porous discs and resistors to raise the temperature of the resistors to the decomposition temperature of a metal carbonyl and passing metal carbonyl vapour through the column. In the Fig. 4 embodiment the stack of alternate porous discs and resistors has a central passageway so that fluid passed along the passage is heated as it passes radially outwardly through the stack. The pores of the resistors may be filled with a cement so that fluid issues only from the polycrystalline metal bodies. Reference has been directed by the Comptroller to Specification 1,366,592.
Patent GB-1397198-A (GB)
Title: Porous glass support material
IPC: C03C15/00
Filed: 1973-03-20
Abstract: 1397198 Porous glass body CORNING GLASS WORKS 20 March 1973 [27 March 1972] 13281/73 Heading C1M [Also in Division B1] A porous glass body comprises a glass having a network or interconnected voids and channels disposed such that there are two distinct zones of porosity, an inner core zone 9 of substantially uniform average pore diameter and an outer zone or layer 13 of substantially uniform average pore diameter, the average pore diameter of the outer layer being greater than the average pore diameter of the core zone. The average pore diameter in the core may be 20- 60 , and that in the outer zone 100-2500 . The body may be in bead or particulate form, and may be used as a support material in liquid chromatographic separation. The body may be formed by: (a) providing an alkali metal borosilicate glass capable of phase separation to form two phases, one of which is acid-soluble; (b) subjecting the glass to a heat-treatment to separate it into two phases, only one of which is acid-soluble; (c) contacting the heat-treated glass with an acid solution to dissolve the acidsoluble phase to form the pore network; and (d) contacting the glass with an alkali solution for 1-5 minutes to enlarge the pore diameter only in the surface layer 13. The heat-treatment of step (b) may be at 620 C. for 40 hours. The acid contact (step c) is preferably with 3N HCl or HNO 3  solution (e.g. for at least 2 hours at above 90 C.), and the alkali leach (step d) is preferably with IN NaOH solution. The glass used preferably has the initial composition (wt. per cent) Na 2 O 6À0, B 2 O 3  25À6 and SiO 2  68À4.