baber/WOPTO huggingface dataset:
Patent GB-1223427-A (GB)
Title: Magnification change apparatus
IPC: G03G15/041
Filed: 1967-12-29
Abstract: 1,223,427. Projection system. RANK XEROX Ltd. Dec.29, 1967 [Jan.3, 1967], No. 59084/67. Headings G2H and G2J. A projection system for producing magnification changes in a xerographic machine comprises a projection lens 30 mounted for movement to any one of a number of positions along the optical path of the projection system such that the magnification of the object at 22 is varied as said lens is moved along the optical path, said projection lens focusing the light rays at the image plane in at least one of the positions, drive means M-1 associated with the projection lens and at least one odd lens (32, 40) positionable into and out of the optical path of said projection lens that adjusts the image so that it is in focus whilst the conjugate distance of the system remains constant. The illumination of the image plane may be kept constant by an aperture stop.
Patent GB-1443999-A (GB)
Title: Metal oxide semiconductor field effect transistors
IPC: H01L27/092
Filed: 1973-12-21
Abstract: 1443999 Semi-conductor devices INTERSIL Inc 21 Dec 1973 [12 April 1973] 59390/73 Heading H1K A CMOS comprises an N epitaxial layer 52 on an N-substrate 51, a buried P+ region 53 extending beneath an entire P- well region 56, N+ channels 57-60 providing N channel source and drain regions and having a metalover-silicon gate connection 63, P+ channels 66-69 in the epitaxial layer 52 providing P channel source and drain regions and having a metal-over-silicon gate connection 73, and a body contact B. The P+ region 53 inhibits SCR action by providing short-lived minority carriers.
Patent GB-1495935-A (GB)
Title: Telephone dialling and signal transmission apparatus
IPC: H04M11/04
Filed: 1973-12-21
Abstract: 1495935 Automatic alarm systems ALPHALAMBDA Ltd 18 March 1975 [21 Dec 1973] 59392/73 Heading H4K In an alarm system wherein the detection of an alarm condition causes a first relay to loop a telephone line and connect an automatic dialling and message sending apparatus to the line, the apparatus comprises a magnetic tape having the dialling information and message information recorded on the same channel, there being recorded on the tape between the dialling information and the message a control signal of different duration from the dialling information and which is used to effect a changeover from a dialling mode to a message mode. The dialling information is stored as a series of 10 ms. bursts of 1 kHz tone which are used to operate an impulsing relay to transmit the digits over a telephone line, and a 500 ms. burst of 1kHz tone is recorded at the end of the dialling information to cause a relay to connect the telephone line to the tape replay head. At the end of the message, which is played without waiting for the called subscriber to answer, a 15-60 second continuous tone is used to cause the telephone line to be disconnected. A plurality of different messages preceded by corresponding dialling information may be recorded on the tape to enable a sequence of messages to be transmitted to different numbers. The tape loop has a stop foil at the end of the loop to cause the apparatus to be shut down, and may be arranged as a cartridge. A detailed description of the circuitry is given (Figs. 1-4, not shown). Figure 4 illustrates a delay circuit for setting off the apparatus after a delay of 2-20 minutes has elapsed from the initiation of an alarm condition. In the event that the apparatus is not in position to make an alarm call, a local alarm may be immediately set off.
Patent GB-1303798-A (GB)
IPC: C23C4/06
Filed: 1970-12-15
Abstract: 1303798 Plasma jet spraying piston rings RAMSEY CORP 15 Dec 1970 [7 Jan 1970] 59510/70 Headings C7A and C7F A piston ring is hard faced with an alloy matrix containing a W-B phase which contains 1-7%  weight of interstitial B. The hard facing is formed by plasma arc spraying under oxidising conditions a powder mixture of WC and B and at least one alloying element using a plasma H 2  flow rate of 20-30 standard Cu. ft. per hour with the spray gun 3À5 - 6À5 inches from the workpiece. N 2  or A at a flow rate of 80-95 standard cubic feet per hour is used with the H 2  and the gun is traversed at 28-32 ins/min. The alloy matrix may comprise Fe Co, Ni, Cr, Al and mixtures of these and optionally Ti, Ta, Nb, V, Zr or Hf with the W-B phase forming 35-60% volume of the hard facing. The powder spray mixture preferably contains in per cent weight; 25-55 WC, 4-8 Co, 25-45 Ni, 3-7 Cr, 0À5-7 Al, 1-7 B balance Fe.
Patent GB-1271640-A (GB)
Title: Improvements relating to electromagnetic display devices
Inventor: CHANTRY SYDNEY FREDERICK WALLA
IPC: G09F9/37
Filed: 1970-12-23
Abstract: 1,271,640. Electric motors. FERRANTI Ltd. 23 Dec., 1970 [29 Dec., 1969], No. 61007/70. Heading H2A. [Also in Division G5] A display element 10 having sides of contrasting appearance is pivotally mounted in a support 17. A permanent magnet 16 mounted on the element 10 and an electromagnet 22 of reversible polarity interact so as to reverse the display element and hold it in one or the other position against a resilient stop 18. In the two display positions the magnet 16 and electromagnet 22 are 45 degrees out of alignment in order to hold the display element against stop 18 and when the polarity of the electromagnet is reversed, to ensure that the display element 10 is given sufficient starting torque to turn it clockwise through more than 180 degrees so overshooting the resilient stop before the element is pulled back to abut the stop in the reverse position.
Patent GB-1254238-A (GB)
Title: A dexterity pickup game
IPC: A63F9/00
Filed: 1969-12-22
Abstract: 1,254,238. Indoor game. KOHNER BROS., Inc. 22 Dec., 1969 [20 Dec., 1968], No. 62299/ 69. Heading A6H. Game apparatus comprises an elongate manipulator 34 adapted to lift and carry a marble 30 from a dish 12 to a holder 32 and having an open marble support 42 secured to one end including two arms 44 so that the support can be inserted below a marble resting in the dish. The middle portion of the manipulator is integrally made from material that is flexible in thin section such as rubber or a synthetic plastics, and has segments 40 interconnected by hinges 56 which band about parallel vertical axes; the head of the manipulator thus bends from side to side unless care is exercised. Scoring devices 23 comprising rotatably mounted numbered discs may be included in the side wall of the dish. The tips of the arms 44 are bent upwardly in an alternative embodiment (Figure 6, not shown).
Patent GB-704249-A (GB)
Abstract: 704,249. Ticket-printing machines. LICENTIA PATENT-VERWALTUNGS-GES. Dec. 5, 1950 [Dec. 5, 1949], No. 29710/50. Class 106 (3) A ticket printing machine comprises within a casing 1, Fig. 1, several containers each adapted to accommodate a number of printing plates for printing the tickets, a printing device 4 which is equipped with means to withdraw a printing plate out of any container and to return it after completion of the printing operation into the container, and which is adapted to move in two directions perpendicular to each other, one movement serving for selecting one of said printing plate containers whilst the other movement serves for selecting a certain printing plate within the selected container. The invention resides in the provision of an indication scale 5, which represents 'the printed matter of the said printing plates in columns or rows A-F corresponding to the printed plate containers and in a succession within each column or row as the printing plates are arranged within the said containers, and two indicators 6, 7, each adapted to move at right angles with respect to the other along the said indication scale 5, which are operatively cbnnected to the said printing device in such a mannet that, if the said printing device 4 is moved in one direction, one of said indicators 6, 7 is caused to move in unison with it, and if the said printing device is moved in the other transverse direction a corresponding movement is imparted to said second indicator. The containers are arranged longitudinally within the casing transversely movable along the top of which is a carriage 3 carrying the scale 5 and the longitudinally movable printing device 4. Each row A-E of the scale 5 is arranged as shown in Fig. 2. The ticket blanks which are insertable in the printing device H are contained in magazines 2. The indicator 7 comprises two spaced tapes driven from the carriage 3 by means of a pulley transmission. The pointer 6 is driven from the printing device 4 in the same way. The station names may be printed on labels attachable to the scale 5 which may be internally illuminated.
Patent GB-737534-A (GB)
Abstract: 737,534. Gyroscopic apparatus. SOC. FRANCAISE D'EQUIPMENTS POUR LA NAVIGATION AERIENNE S.F.E.N.A. Sept. 11, 1953 [Sept. 24, 1952], No. 25186/53. Class 97 (3). The rotor and rolling- ball erector of a gyrovertical are mounted in a casing 2 carried by a gimbal 1. In such an arrangement, erection is meridianal for small angles of tilt only, but may be made meridianal for larger angles of tilt by making the casing slightly pendulous, as by an adjustable weight P. The pendulosity required for moderate angles of tilt is too large for large angles of tilt, and according to the invention compensating means is provided comprising a counter-weight movable under the influence of apparent gravity, its equilibrium position at any instant being such that it opposes the gravitational torque sufficiently to render precession meridianal. In the form shown, the counter-weight consists of a ball 3 rolling in tracks formed in parallel plates 4 mounted on gimbal 1. The shape of the tracks is computed or determined experimentally.
Patent GB-2006624-A (GB)
Title: Improvements in catheters
IPC: A61F2/958
Filed: 1978-10-27
Abstract: A catheter having an inflation balloon 14 at its distal end constituted by an annular sleeve joined to the outer surface of its shaft at spaced circumferential zones 34,36. The inner surface of the sleeve is permitted to contact the outer wall of the shaft at spaced areas only to minimize the tendency of the sleeve to adhere to the shaft when it is sought to inflate the balloon. This may be achieved by providing the external surface of the shaft or the internal surface of the sleeve with spaced circumferential ribs 44, or by separating the sleeve from the shaft by criss- crossed strands of scrim material. <IMAGE>
Patent GB-2007983-A (GB)
Title: Magnetic sealing devices
IPC: A61F2/00
Filed: 1978-12-01
Abstract: A sealing member that will fit into and seal an artificial or natural body opening comprises at least two axially aligned rod-shaped magnets 24, 26 positioned within the sealing member 21. A sealing system for such an opening comprises this sealing member and a ring shaped magnet 14 that may be implanted in the body tissue surrounding the body opening. When appropriately arranged in the body, the sealing member may resist axial displacement and tilting relative to the axis of the opening and the ring-shaped magnet member. <IMAGE>
Patent GB-2015021-A (GB)
Title: Scintillators
IPC: C09K11/06
Filed: 1979-02-22
Abstract: Distyryl biphenyls of the formula:   <IMAGE>  wherein R represents the radical of the formula   <IMAGE> are useful as primary or secondary scintillator substances. Solvents and other scintillator substances for mixing with the biphenyls are specified.
Patent GB-2018092-A (GB)
Title: Indirectly controlled telecommunications exchange apparatus
IPC: H04Q3/545
Filed: 1979-03-27
Abstract: Indirectly controlled telecommunications exchange where peripheral control devices (VA, LS, TS, E) cooperate with connection sets (VS, WS, T) in handling exchange-orientated commands. It is desirable to simplify the arrangement as far as possible to facilitate construction, operation and adaptation (e.g. enlargement). Subsidiary control units (V11 to V13, V2, V3) are arranged to carry out respective functions and are selected by the peripheral control devices for processing a command portion in dependence on signals received by the connection sets and passed to the peripheral control devices. The latter devices effect pre- processing of the connection set signals to obtain command-associated data which is stored in stores (S11 to S14, S2, S3) and can be accessed by the selected subsidiary control device which sends the result data from the processing of the command portion, via the data stores to the peripheral control devices for execution of the command. Allocators Y control the transmission of data on data buses y interconnecting solid control units, control devices and connection sets. <IMAGE>
Patent GB-2019242-A (GB)
Title: Ion exchange test apparatus
IPC: B01J47/02
Filed: 1979-04-20
Abstract: An apparatus for testing ion exchange resins comprises a test column (1), removable for inserting resin, with top and bottom stopcocks, (2, 3) a feed vessel with a constant head device (6), a rinse and backwash reservoir (11) with rinse and backwash feed pipes (10, 12), whereby the stopcocks can be positioned i) to permit a backwash of the column ii) to feed or rinse the column and iii) to stop positions. Routine testing is greatly facilitated. <IMAGE>
Patent GB-2047462-A (GB)
Title: Method of manufacturing thin film electroluminescent devices
IPC: C09K11/57
Filed: 1979-04-20
Abstract: Method of manufacturing thin film electroluminescent devices composed of a compound of one element of group II B and one element of group VI B of the periodic table of elements, activated by a first metal of group I B and a second metal of group VII A, e.g. ZnS:Cu:Mn, excitable by direct and pulsed voltage. This method includes the steps of placing a substrate in an evacuated bell jar at the top portion thereof; placing in said bell jar first, second, third and fourth ovens 30 respectively containing, in the form of elementary bodies, the element of group II B, the element of group VI B, the activator metal of group I B and the activator metal of group VII A, these ovens having apertures 52 at the top portion thereof directed towards the substrate, for passage of the evapored elementary bodies; heating the substrates at a predetermined deposition temperature; simultaneously heating during a common period the ovens at respective first, second, third and fourth predetermined temperatures for causing the elementary bodies contained therein to be evaporated and deposited together on said substrate; heating the substrate at a predetermined recrystallization temperature and heating during an additional period the oven containing the element of group VI B alone at the recrystallization predetermined temperature. <IMAGE>
Patent GB-2021998-A (GB)
Title: Apparatus for Cooling Rolled Metal Products
IPC: B21B45/02
Filed: 1979-05-29
Abstract: Cooling fluid is supplied through an inlet 9 to a space defined between external and internal peripheral walls 2, 3 of an elongate housing. The fluid passes through holes 8 in the internal wall onto a rolled metal rod, wire or bar passing through the duct defined by the internal wall 3. The fluid escapes from the duct through its ends and also through transverse horizontal divergent conduits 12 leading directly to the exterior of the housing. <IMAGE>
Patent GB-2029320-A (GB)
Title: Protection of marine craft hulls against marine growth
IPC: B63B59/04
Filed: 1979-08-30
Abstract: A method of protecting the hull of a marine craft, or other underwater structure, against fouling by marine growth which comprises adhesively securing against the hull or underwater structure a multi-layered sheet of inert synthetic plastics material of which the layers are successively removed as and when contaminated to provide a fresh smooth outside surface.
Patent GB-2034521-A (GB)
Title: Chip capacitor for compliance soldering
IPC: H01G13/00
Filed: 1979-10-16
Abstract: A chip capacitor 10 is shaped so that when placed on a circuit board 11 the terminals 17 are spaced from the circuit board. The terminals and conductive lands 18 are connected by columns of solder 16 which form a compliant bond resistant to mechanical and thermal shocks. <IMAGE>
Patent GB-2034317-A (GB)
Title: Photopolymerisable compositions, derived coatings and other polymerised products
IPC: G03F7/029
Filed: 1979-10-16
Abstract: Photopolymerisable compositions capable of polymerisation by an acid-catalysed mechanism under the influence of ultraviolet and/or visible light comprise (a) at least one material capable of polymerisation by an acid- catalysed mechanism to a polymeric material of higher molecular weight state, (b) a photosensitive aromatic halonium salt and (c) a material which under the conditions of photopolymerisation will yield a significant proportion of free radicals. These compositions yield useful coating films and other products on irradiation.
Patent GB-2035094-A (GB)
Title: Liquid dispensing apparatus
IPC: A61M5/142
Filed: 1979-11-01
Abstract: A liquid dispensor comprises a T-tube (9) of which the limb tube serves as a closed reservoir (8) for liquid, with an air space above. Liquid is pumped by a peristaltic pump (A) through a tube (6) and one arm of the T-tube into the reservoir until a level detector (D) responds to the liquid level in the reservoir reaching a datum level and renders the pump (A) inoperative. Peristaltic pump (B) then pumps liquid from the reservoir via the other arm of the T-tube and tubes 13 and 15 to an infusion needle in a patient's body. When the liquid level in the reservoir reaches a predetermined lower level detected by detector (E), pump (B) is rendered inoperative and the cycle is then repeated starting with operation of first pump (A). Either or both pumps (A,B) can be replaced by flow control valves. <IMAGE>
Patent GB-2046530-A (GB)
Title: Microstrip antenna structure
IPC: H01Q9/04
Filed: 1980-03-11
Abstract: A microstrip antenna which allows integration of the antenna radiator and its associated microwave components on to a common microstrip board having a relatively high dielectric constant, eg alumina, the antenna being linked to associated components by a feed-line formed on the board. Such dielectrics are normally unsuitable for forming microstrip antennas because the wave is too tightly bound. The present antenna comprises a conducting sheet radiator 15 spaced above the level of the line 12 by a dielectric layer 16 whose dielectric constant is substantially less than that of the board itself. The radiator may comprise a plurality of alternate layers of such conducting sheets and dielectric layers of the same or slightly different dimensions to give increased bandwidth. Coupling between the radiator and the feed-line can be effected in several ways, suitably by forming on the board a sheet resonator connected to the feed-line, which resonator underlies the lowermost dielectric layer. <IMAGE>
Patent GB-2045151-A (GB)
Title: Process for the manufacture of polyamide tubes
IPC: B29C41/22
Filed: 1980-03-20
Abstract: A process for the manufacture of polyamide tubes by a centrifuging operation in a heated rotary mould is disclosed in which at least two different liquid starting material quantities are metered successively into the rotary mould at a certain temperature, for example 398 DEG K (125 DEG C). The mould is rotatingly driven to provide uniform distribution of the material under the effect of the polymerisation temperature and subsequently stopped for the shrinking process, The different starting materials may be, for example, caprolactam for polyamide 6 and laurinlactam for polyamide 12. <IMAGE>
Patent GB-2049358-A (GB)
Title: Telephone answering machine
IPC: H04M1/64
Filed: 1980-03-27
Abstract: When a telephone answering machine is used, it is often required to be able to ask a caller to hold on if the called subscriber is at home, but remote from his telephone, e.g. in the garden. in such a case a special switch (T1, T2) is provided which the subscriber sets in anticipation of such a case: when the switch is set, the reception of an incoming call causes an alarm (e.g.W) to be given to the subscriber, either a bell or by radio. When the subscriber hears this alarm, if he wishes to go to the telephone, he operates a further switch (QT1), as a result of which a recorded "wait" message is sent by a read head (TK2) to the caller. in addition, the connection to the exchange is maintained, which gives the called party time to get to the telephone. <IMAGE>
Patent GB-2075326-A (GB)
Title: Granular iced confection and method of producing same
IPC: A23G9/52
Filed: 1980-08-12
Abstract: A granular iced confection is described in which each grain comprises a granular food as the core and a coating layer of a frozen liquid. Examples of the granular food are beans, cut pieces of fruit, frozen liquid and compressed tablets. This iced confection is produced by adding a liquid to a sufficiently cooled granular food while grains of the granular food are rotated. The grain shape of the iced confection can be varied widely by controlling the cooling temperature, the rate of rotating the food grains and/or the manner of adding the liquid to the food grains.
Patent GB-2059287-A (GB)
Title: Apparatus and method for separating entrained particulate matter from a conveying fluid
IPC: B01D46/26
Filed: 1980-09-10
Abstract: An apparatus and method for separating entrained particulate matter from a fluid wherein particulate matter is collected in an overlying porous layer on an upstream side of a rotatable, fluid-permeable filter in a first chamber, and rotatably conveyed into a second chamber and used as an additional filtering medium. The filter comprises a cylindrical drum having a filter surface thereon and is rotatably mounted in an enclosed housing having a fluid inlet and a fluid outlet. Fluid pumping means operatively communicate with the housing for inducing a flow of fluid into the housing through the inlet and out of the housing through the outlet. Chamber means are disposed within the housing and sealingly cooperate therewith and with the cylindrical drum and define a first chamber fluidly communicating with the inlet and a predetermined portion of the cylindrical drum on the upstream and downstream sides thereof. A second chamber is provided which fluidly communicates with the outlet and a second predetermined portion of the cylindrical drum on the upstream and downstream sides thereof. Drive means rotate the cylindrical drum at a predetermined rate through the first chamber for collecting on the filter surface an overlying porous layer of particulate matter, and through the second chamber for filtering fluid through the filter surface and the overlying porous layer of particulate matter. Doffing means are provided for cleaning the filter surface by removing the porous layer of particulate matter therefrom subsequent to the passage thereof through the second chamber.
Patent GB-2092656-A (GB)
Title: Glazing Tool
IPC: E04F21/32
Filed: 1981-02-11
Abstract: A tool for applying putty has a surface (11) intended to be placed against a pane (12) of glass and a further surface (17) oblique to the first surface and adapted to form a smooth fillet of putty from an irregular mass of putty present in a corner between the pane and a surrounding frame (13). <IMAGE>
Patent GB-2074751-A (GB)
Title: Eyepiece or collimation lens system
IPC: G02B27/30
Filed: 1981-03-12
Abstract: An eyepiece or collimation lens system (22) is formed by three optically- powered lens elements (A,B,C) aligned on a common optical axis (23) and arranged to accept radiation in the infrared wavelength region from a real image (I) and provide a bundle of parallel rays at an exit pupil ( phi ) each of the lens elements (A, B, C) is positively powered and made of a material which has a useful spectral bandpass in the infrared wavelength region and the refractive surface (6) of lens element (C) which lies adjacent the real image (I) is flat whereas the other refractive surfaces, (1, 2, 3, 4, 5) of the lens elements (A, B, C) are substantially spherical. A graticule may be mounted on or adjacent the flat refractive surface (6) and each refractive surface may be anti- reflection coated. Conveniently lens element (c) is made of zinc selenide whereas lens elements (A, B) are each made of germanium. <IMAGE>