baber/WOPTO huggingface dataset:
Patent GB-1181171-A (GB)
Title: Modular Computer System
IPC: G06F15/16
Filed: 1967-02-14
Abstract: 1,181,171. Data processing. BURROUGHS CORP. 8 Feb., 1967 [14 Feb., 1966], No. 6094/67. Heading G4A. In a modular data processing system having at least one processing module, each with an associated interface control module, the latter being connected to memory modules and I/O devices to control concurrently a plurality of module-module and module-device communication paths, there are a plurality of memory modules at least one of which is of the thin-film type. General arrangement.-Fig. 1 shows two processors 1-10, 1-12 communicating with common memory modules 1-14 ... 1-18 and common I/O devices and controllers via interface control modules 1-20, 1-26 respective to the processors, the I/O devices and controllers also communicating with the memory modules via the interface control modules. The peripheral interface control units 1-24, 1-30 shown as part of the interface control modules include buffered and unbuffered channels the former using parts of memory as buffers. Memory words have guard bits settable to prevent over writing other than by the excutive programme. Figs. 2, 9 (not shown), also show slightly modified systems. Power supply module.-This (Fig. 7, not shown) utilizes filtering, rectification, voltage regulation, conversion, and rectification and filtering in that order to provide D.C. levels for the system. One of the levels is controlled in accordance with memory temperature. Control signals are provided in accordance with excessive voltage and temperature, too-low voltage and A.C. fault. Memory protection is mentioned. Interrupt.-The module interface control units 1-22, 1-28, shown as part of the interface control modules 1-20, 1-26 of Fig. 1, include registers for internal and external interrupt requests, and separate descriptorloadable interrupt mask registers and base address registers for these two cases. When an interrupt is serviced a memory address for the beginning of the interrupt routine is constructed from the appropriate base register and the identity of the interrupt. Command parity error and real time error interrupts cannot be masked. The programme can examine the interrupt requests, including those masked. Bootstrap load.-Programmes and constants can be loaded into memory without the memory containing a load programme. A tape provides memory address presets and words to be loaded. Words are loaded into consecutive memory locations starting at the address identified by the last preceding address preset until another preset is provided, until loading is complete. Each word stored is returned to the console for a check. Timing.-Each processor has a 4 Mc/s. oscillator from which 1 Mc/s. timing pulses are derived. The oscillators are synchronized with each other in anti-phase to reduce memory access request conflicts.
Patent GB-369727-A (GB)
Title: Improvements relating to conveyors of the worm type
IPC: B65G33/00
Filed: 1931-02-27
Abstract: 369,727. Screw conveyers. SIMON, Ltd., H. and LEDGER, C., Cheadle Heath, Cheshire. Feb. 27, 1931, No. 6166. [Class 78 (i).] In a conveyer of the type in which the worm is formed from the heads of parts whose stems are secured in a shaft d, the stem consists of a bolt a to the polygonal head b of which the sheet metal blade c is butt welded. The head of the bolt may be machined to form a central ridge f.
Patent GB-1026302-A (GB)
Title: Improvements in ship's mooring devices
IPC: B63B21/06
Filed: 1963-02-15
Abstract: 1,026,302. Bollards. E. J. BEAN Ltd., and W. J. ASH. Feb. 17, 1964 [Feb. 15, 1963], No. 6279/63. Heading B8B. [Also in Divisions E2 and F2] A swivelling bollard for releasably holding the looped end 2 of a ship's mooring rope comprises two parts 6, 7 split at 3 in the plane of the loop and held together by latching means 30, 31 which may be released to separate the parts for shedding the rope. In the example, the bollard parts 6, 7 are pivoted together on a shaft 9 mounted in bifurcations 10 of a vertical spindle 11 so that the device may be swung into alignment with the rope. The fixed member 31 of the latch mechanism is mounted on the part 7 and projects into the part 6 for engagement with the pivoted latch member 31 which is mounted in a shaft 28 in the part 6. The member 31 is actuated by a lever 19 through links 21, 25 and a pin-and-slot mechanism 22, 23 which prevents shock loads being transmitted in the lever 19 on release. Reference has been directed by the Comptroller to Specification 871,526.
Patent GB-1044711-A (GB)
Title: Speed responsive electric switch
IPC: H01H29/26
Filed: 1964-02-14
Abstract: 1,044,711. Conducting-liquid switches. R. K. LEBLOND MACHINE TOOL CO. Feb. 14, 1964 [Sept. 23, 1963], No. 6304/64. Heading H2B. A zero-speed switch, i.e. one which is used to indicate when a shaft is not rotating, comprises a housing 16 partially filled with mercury or other conducting liquid 50, spaced terminals 52, 54, projecting into the housing, and an impeller 20, which, when rotated, drives the mercury towards one end of the housing and thus breaks the electrical connection between the terminals. The impeller is preferably helically fluted, as shown, and the ribs may have axially aligned holes 60 to assist the mercury to flow back when rotation ceases. An alternative form, however, uses a vertical shaft and displacement of the mercury results from centrifugal action. If the device is not to be mounted directly on the shaft of a machine it may be totally enclosed and driven through a magnetic coupling. It is further proposed that a " normally-open " contact might be provided by fitting two terminals at one end of the housing so that they are bridged by the mercury when it is displaced towards that end.
Patent GB-102571-A (GB)
Title: Improvements in and relating to Centrifugal Pumps.
Inventor: WALDRON NELSON BROWN
IPC: F04D1/14
Filed: 1916-05-04
Abstract: 102,571. Waldron, N. B. May 4, 1916. Rotary-chamber pumps.-A pump for lifting water charged with sediment &c. comprises a rotary chamber 1, Figs. 3 and 6, having a uniform flare and fitted with ribs 11 and an horizontal inwardly-projecting flange 12 at the lower end. The provision of impeller blades 13 is optional. The water is discharged into an annular trough 15 having flanges as shown, and fitted with a tangential discharge passage. In a modification, Fig. 8, the flange 12' is fitted with a collar 12<2> to form a collecting-trough for sediment, and the transverse positions 11<1>, which take the place of the ribs 11, have scoop lips 11<2> moving over this trough so as to rotate the fluid contained therein and lift any trapped deposit.
Patent GB-1212603-A (GB)
Title: Systems for remotely controlled switching
IPC: H04B17/40
Filed: 1968-02-08
Abstract: 1,212,603. Testing repeaters. HASLER A.G. 8 Feb., 1968 [10 Feb., 1967], No. 6425/68. Heading H4R. In a system for remotely monitoring repeaters, each repeater includes a test oscillator and each oscillator is connected in series in a common constant current power supply lead with a respective switch connected across the oscillator to render the oscillator inoperative when the switch is closed. The switches are operated in sequence by a control line extending from a variable voltage source to each switch circuit. Each switch circuit includes a comparator which compares the voltage on the control line with the voltage on the power supply lead at that relay and opens the switch, to enable the oscillator, when the difference between these voltages is less than a predetermined value. The power supply lead may be the central conductor of a coaxial cable feeding the signal to the repeater and also supplying power to the repeater amplifier. Fig. 6 shows a switching circuit in which power is supplied to the oscillator 5 via lines 3a and 34, the oscillator normally being rendered inoperative by the normally conducting transistor 39. The voltage between the control line 4 and the power line 3b is monitored by the bridge circuit of rectifiers 31. When the voltage difference between lines 4 and 3b exceeds a predetermined value transistor 32 is rendered conductive, 34 and 37 are cut off and 39 is rendered conductive to short circuit the power supply to oscillator 5. When the voltage on line 4 is close to that on line 3b transistor 32 is cut off and via transistors 34 and 37 transistor 39 is cut off to render the oscillator operative to feed a test signal into the communication channel. Power to energize the control circuit 14 is derived from the power supply line by tapping points 15 and 16 to points a little way removed from the supply connections to the repeater, utilizing the voltage drop along the supply line to power the control circuit. Fig. 5 shows a switching system for a two-way communication system using a number of repeaters each including test oscillator and switching circuits 14. Two control lines 4 and 4<SP>1</SP> are used to allow wider tolerances on the switch operating potentials. In this arrangement the system can be tested from either end by connecting the source 17 or 117 to that end and connecting the ammeter 21 or 121 at the other, the meter indicating when testing is proceeding at the other end. Half the repeaters are tested using one control line, the other line being connected to a mid-position voltage which operates no control circuits. Each control circuit is selected by connecting the appropriate control line to the appropriate tapping on the potentiometer, 22 or 122, in use at that time.
Patent GB-1240307-A (GB)
Title: Analysis apparatus
Inventor: MORAN JOHN JOSEPH
IPC: G01N35/02
Filed: 1968-10-25
Abstract: 1,240,307. Raising discharging liquids. J. J. MORAN. Oct.25, 1968 [June 14, 1968], No.6505/70. Divided out of 1,240,303. Heading F1R. [Also in Division G2] Apparatus for sucking samples from a row of tubes into a corresponding row of cuvettes attached to lines 362 comprises a row of piston-cylinder assemblies 358-360, the pistons 358 being mounted on bar 350 which is retractable by piston-cylinder assembly 352, 349, and slides on rods 354, 356, and the cylinders 360 being mounted on bar 366 which is retractable by piston-cylinder assembly 370 and slides on rods 372. In operation, piston bar 350 is retracted to apply suction through lines 362, when the samples are drawn into the cuvettes for analysis. After analysis of the samples, cylinder bar 366 is retracted, when air ports 364 in cylinders 360 come to the front of their respective pistons so releasing the suction in lines 362 and allowing the samples to return to the tubes. Bars 350, 366 may be operated further to provide air-blasts through the cuvettes to drain them. The apparatus may be automatically controlled.
Patent GB-1293393-A (GB)
Title: Improvements in fluid springs
Inventor: GAYDECKI JAN
IPC: F16F9/04
Filed: 1969-02-18
Abstract: 1293393 Rolling diaphragm fluid spring assembly DUNLOP HOLDINGS Ltd 11 Feb .1970 [18 Feb 1969] 6515/70 Heading F2S A rolling diaphragm fluid spring assembly comprises at least two rolling diaphragm fluid springs acting in series, the cylinder of at least one spring constituting the piston of another. As shown, the piston 7, 107 of the upper rolling diaphragm fluid spring 1, 101 constitutes the cylinder of the lower spring 2, 102. The springs may be of a conventional construction or may consist of a spring as described and claimed in Specification 1,293,392 viz. an annular piston supported in an annular cylinder 5 by a rolling diaphragm 4 so that the fluid containing chamber 3 is annular and the spring has a central passageway G for the insertion of a telescopic damper.
Patent GB-1526268-A (GB)
Title: Glyoxylic acid derivatives
IPC: C07D243/24
Filed: 1975-11-27
Abstract: The novel isoindole derivatives of the formula <IMAGE> in which A denotes alkylene having 2-10 carbon atoms and Z denotes the group -OR or <IMAGE>, R denotes alkyl, cycloalkyl, cycloalkylalkyl, alkoxyalkyl, allyl or aralkyl, R1, R2, R3 and R4 independently of one another each denote hydrogen, alkyl, alkoxy, halogen or trifluoromethyl and R5 and R6 independently of one another each denote hydrogen, alkyl, cycloalkyl, cycloalkylalkyl, hydroxyalkyl, alkoxyalkyl, aryl, aralkyl or together denote the group -(CH2)n-, in which n is an integer from 2-7, or with the nitrogen atom connecting them together denote a 5- or 6-membered heterocyclic ring having an oxygen or an optionally alkyl- or hydroxyalkyl-substituted nitrogen atom and R7 and R8 independently of one another each denote hydrogen, alkyl, cycloalkyl, cycloalkylalkyl, alkoxyalkyl or aralkyl, at least one of the radicals R7 and R8 being other than hydrogen, and their pharmaceutically utilisable acid addition salts, are prepared from phenylglyoxylic acid derivatives of the formula <IMAGE> and diamines of the formula <IMAGE> by reductive amination. The novel isoindole derivatives and their acid addition salts have anorectic action and can be used as appetite suppressants.
Patent GB-1292602-A (GB)
Title: Intermediate compounds for use in the manufacture of bis-chromone-2-carboxylic acids
Inventor: CAIRNS HUGH
IPC: C07C45/54
Filed: 1968-10-30
Abstract: 1292602 Bis-phenyl intermediates FISONS PHARMACEUTICALS Ltd 10 Oct 1969 [30 Oct 1968] 6758/72 Divided out of 1292601 Heading C2C  The invention comprises the following compounds which may be prepared as indicated : 4,4<SP>1 </SP> - Bis - (trans - 1,2 - dicarboxy vinylozy)- biphenyl is obtained by reacting biphenol sodium phenate with diethyl chlorofumarate and hvdrolysing the product ;  3,31 - Diacetyl - 4,4<SP>1</SP>- dihydroxydiphenyl ether is obtained by reacting 4,4<SP>1</SP>-dihydroxydiphenyl ether with acetic anhydride to form 4,4<SP>1</SP>- diacetoxydiphenyl ether and heating the latter with NaCl and AlCl 3  (Frier reaction) ; Ethyl 2,2 - bis - (3 - acetyl - 4 - hydroxyphenyl)acetate is obtained by reacting 2,2-bis- (4-hydroxyphenyl)acetic acid with dimethyl sulphate to form methyl 2,2 - bis - (4 - methoxyphenyl)acetate, reacting the latter with acetyl chloride in the presence of AlCl 3  to form 2,2- bis - (3 - acetyl - 4 - hydroxyphenyl)acetic acid and esterifying with ethanol in the presence of H 2 SO 4 ; 1,1 - Bis - (3 - acetyl - 4 - hydroxyphenyl)2,2- dichloroethylene is obtained by reacting 1,1- bis - (p - methoxyphenyl) - 2,2,2 - trichloroethane with acetyl chloride in the presence of AlCl 3 ; Bis - (3 - acetyl - 4 - hydroxyphenyl)methane is obtained by heating bis-(4-acetoxyphenyl). methane with AlCl 3  and NaCl; Bis - (3 - acetyl - 4 - hydroxyphenyl)pyrid- 2- yl methane is obtained by heating bis-(4 acetoxyphenyl) pyrid-2-yl methane with AlCl 3  and NaCl; Bis - [3 - acetyl - 2 - hydroxy - 6 - (2 - hydroxypropoxy)-phenyl] methane is obtained by reacting bis - (3 - acetyl - 2,6 - dihydroxyphenyl)methane with propylene oxide; Bis - (3 - acetyl - 2 - hydroxy - 6 - methoxyphenyl)methane is obtained by heating bis-(3- acetyl - 2,6 - dihydroxyphenyl)methane with CH 3 I in presence of K 2 CO 3 . N - Acetyl - 3,3<SP>1 </SP>- diacetyl - 4,4<SP>1 </SP> - dihydroxydiphenylamine is obtained by heating N-acetyl- 4,41-diacetoxydiphenylamine with AlCl 3 .
Patent GB-622076-A (GB)
Title: Improvements in or relating to electric switches and contacts therefor
IPC: H01H1/36
Filed: 1947-03-11
Abstract: 622,076. Switch contacts. TELEFONAKTIEBOLAGET L. M. ERICSSON. March 11, 1947, No. 6792. Convention date, Jan. 12, 1945. [Class 38(v)] A switch contact comprises a number of laminations 1, secured together, as by welding, and slotted across their thickness to receive rotatable contact discs 3 on a moving contact carrier. The laminations are mounted in rectangular hole 7 in an insulating plate 6 with limited lateral play for alignment. One or more of the laminations extends through the lower plate 6 to form a terminal lug 10 which may be upset to anchor the contact in the lower plate 6. The contacts may be arranged in straight parallel rows or concentric circles, Fig. 2, (not shown), in which case the discs 3 may be slightly convex and of different diameters, Fig. 3, to minimise wear.
Patent GB-611238-A (GB)
Title: Improvements in and relating to compound dielectric materials
IPC: H01G4/22
Filed: 1946-03-05
Abstract: 611,238. Condensers; insulation. BRITISH THOMSON-HOUSTON CO., Ltd. March 5, 1946, No. 6848. Convention date, March 7, 1945. Drawings to Specification. [Classes 36 and 37] A dielectric composition for a condenser comprises a mass of finely divided magnesium oxide and a liquid material having a viscosity not materially exceeding 100 seconds Saybolt at 37.8 ‹ C. filling the voids in the mass. Suitable liquids are: petroleum hydrocarbons, alkyl esters of an aliphatic acid, e.g. dibutyl sebacate, halogenated hydrocarbons such as chlorinated compounds of benzene, ethyl benzene, toluene, 'xylene and other aryl compounds.; trichlor benzo trifluoride, chlorinated amyl benzoate and chlorinated benzyl sebacate. The Specification as open to inspection under Sect. 91 comprises also a dielectric composition using finely divided aluminium oxide in place of magnesium oxide. This subject-matter does not appear in the Specification as accepted.
Patent GB-722412-A (GB)
Title: Improvements relating to loom shuttles
IPC: D03J5/24
Filed: 1951-03-27
Abstract: 722,412. Loom shuttles. WILKINSON, F., and SUTCLIFFE, L. A. March 27, 1952 [March 27, 1951], No. 7004/51. Class 142 (2). A shuttle for handthreading has a device comprising a piece of wire bent to U-shape, one of the arms of the U extending obliquely across a longitudinal threading slot, and has an eye formed of a volute spring. A wire bent to a U-shape has two arms E, E3. The arm E3 extends downwardly and acts as a guide for the thread passing through the eye. The arm E extends across a slit A and may slope downwardly towards the bend of the U. In threading, the weft passes round the end El of the arm E and into slots A, B to reach the eye. The eye is formed of a volute spring of one or more complete coils and a further partial coil or of a partial coil, the coils being arranged in conical formation. The usual tunnel C may be replaced by an extension of the slit A which may act as a snarl catcher.
Patent GB-978841-A (GB)
Title: Improvements in nose-wheel undercarriage apparatus for aircraft
Inventor: CONWAY HUGH GRAHAM
IPC: B64C25/00
Filed: 1962-02-22
Abstract: 978,841. Aircraft undercarriages. SHORT BROS. & HARLAND Ltd. Feb. 15, 1963 [Feb. 22, 1962], No. 7014/62. Headings B7G and B7W. An aircraft, wherein the fore part B of the fuselage is mounted for hingeing movement about a vertical axis C and has mounted on its underside a nosewheel undercarriage E, has a retractable rigid strut F carried on the after part A of the fuselage, means for extending the strut, means for locking the strut in its extended position and means in the undercarriage for adjusting the reactive force exerted thereby to a value not substantially exceeding that required to support the mass of the hinged structure. As shown in Fig. 3, the strut F is extended by turning a valve SV 1  anticlockwise (as shown), allowing hydraulic fluid to flow through lines M, M 2  to the top of a piston JP 1  fixed to the extendable part of the strut, and to a shuttle valve S which opens to admit pressure to a piston JP 2  and disengage a mechanical lock ML. The strut thus extends until it touches the ground when a microswitch MS operages to close the valve SV 1  and opens a valve SV 2  anticlockwise, which admits fluid through lines M, M 4 , M 5  and a pressure regulator RV to spaces CH 1  and CH 2  in the nosewheel undercarriage E. This undercarriage has a pneumatic cylinder PC in which air AS is trapped between pistons AP 2  and PP. Hydraulic pressure acts on the underside of the piston PP to reduce the ground reaction and also on the top of the piston AP 2 , so that as the pressure increases the ground reaction is reduced until the piston AP 2  no longer reacts against the top of the cylinder PC, when the ground reaction depends only on the hydraulic pressure, determined by the setting of the pressure regulator RV. At this stage a signal (not described) to an operator enables the valve SV 2  to be closed, when the hydraulic pressure in the space CH 1  is sustained by an accululator AC. To retract the strut F the valve SV 2  is turned clockwise to relieve the pressure in the undercarriage. The piston AP 2  rises to close a contact breaker CB causing the valve SV 1  to be turned clockwise admitting pressure to the top of the piston JP 2  and to the underside of the piston JP 1 , releasing the mechanical lock and retracting the strut. The valves SV 1  and SV 2  may then be closed.
Patent GB-590366-A (GB)
Title: Improvements in and relating to noise suppression circuits for radio receivers
IPC: H03G3/28
Filed: 1944-04-17
Abstract: 590,366. Radio receiving circuits. BRITISH THOMSON-HOUSTON CO., Ltd. (General Electric Co.). April 17, 1944, No. 7039. Addition to 555,403. [Class 40 (v)] The parent Specification describes means for muting a radio receiver by means of biassing potentials obtained from rectified noise voltages. In the present invention the biasing potentials are opposed by a potential of adjustable value to enable the bias to be removed when it falls below a predetermined value, and means are provided to prevent the opposing potential from providing a positive bias. As shown in Fig. 1, in a frequency modulation receiver, the I.F. output is fed to a first limiter 15, second limiter 16, discriminator 17, audio amplifier 64 and loud-speaker 20. The time constant of the self-biassing network 31, 32 of limiter 16 is such that it acts as a grid-power detector for amplitude modulation and thus audio-noise voltages may be taken at point 50 on the anode decoupling network 38, 42. The noise voltages are fed through low-pass filter 56, 57 and blocking condenser 55 for rectification by diode 58 to produce at the upper end of load resistance 59 a negative voltage which is applied to the grid of audio amplifier 64. In the absence of a received carrier signal, the rectified noise voltage biasses valve 64 beyond cut-off, thus muting the output. Receipt of a carrier signal reduces the passage of noisethrough limiter 16 and thus allows valve 64 to operate. An adjustable positive bias is applied to the grid of valve 64 from H.T. source 37 and potentiometer 75 so as to set the signal level at which the output becomes unmuted. To prevent the resultant applied bias becoming positive, i.e. in the absence of noise, a diode 70 is provided which shunts away the applied bias when it becomes positive. Instead of the positive bias being supplied directly from H.T. source 37 it may be taken from point 50 in the anode circuit of the limiter 16 by moving switch 45 to the other position. In this case the positive bias increases simultaneously with a decrease in negative noise bias, thus rapidly unmuting the output on the receipt of a weak carrier signal. In ß further modification, Fig. 2 (not shown), the noise voltages are taken from the input of the first limiter through a low-pass filter to a noise amplifier before rectification to produce the muting bias. The receipt of a carrier causes cut-off of the noise amplifier and thus unmutes the output. In this arrangement the input to the noise amplifier includes a resistance shunted by a condenser. Thus, an increase in negative bias due to rectification of noise voltages in the first limiter is offset by the additional noise voltage fed through the condenser to the noise amplifier.