baber/WOPTO huggingface dataset:
Patent GB-2217100-A (GB)
Title: Metal vapour laser device
Inventor: DEKI KYOICHI
IPC: H01S3/032
Filed: 1988-10-28
Abstract: The device comprises a metal vapour laser tube (10), a carrier gas supplier (20), and a pressure detector (30). The carrier gas supplier (20) communicates with a discharge spacing within the laser tube (10) by means of a hole formed at one end of the gas supplier. The pressure detector (30) includes an energizable detecting element. A thin tube for preventing discharge is provided within the carrier gas supplier (20) and has one end connected to the end of the carrier gas supplier (20) in such a manner so as to surround the communicating hole. The tube extends beyond a connecting portion of the pressure detector to the gas supplier and the other end of the tube is open. The device includes an aluminium cathode (63), a cadmium container (117), an anode (107), and a heater (25) responsive to the pressure detector to maintain the pressure of the carrier gas constant by controlling the permeability of a quartz tube (22) defining a helium reservoir. The thin tube within the carrier gas supplier prevents discharge between the pressure detector and the anode. <IMAGE>
Patent GB-2212022-A (GB)
Title: Improvements relating to traffic lights
Inventor: HATHERELL PETER JOHN
IPC: G08G1/08
Filed: 1988-11-04
Abstract: A vehicle detector for governing traffic lights transmits electromagnetic waves and from the doppler-shifted reflections determines the presence of moving vehicles, and discriminates between approaching and receding vehicles. To check that the system is functioning correctly, a signal simulating an approaching vehicle is fed in for brief periods at intervals, and a warning is generated if there is no response. To avoid false alarms, a test is also made at each period whether there is a receding vehicle whose response might otherwise override the simulated. <IMAGE>
Patent GB-885994-A (GB)
Abstract: 885,994. Ceramic compositions. BRUSH CRYSTAL CO. Ltd. Aug. 24, 1959 [Sept. 17, 1958], No. 29445/58. Class 22. [Also in Group XL(b)] A ceramic composition comprises a base material of lead titanate, lead zirconate and lead stannate in the proportions defined by and within the area A B C D of Fig. 3, and from 0À01% to 1À0% by weight on an oxide basis of at least one of the group iron, nickel and cobalt. Up to 25 atom per cent of the lead in the base material can be replaced by at least one of the group Ba, Ca and Sr and the composition may also contain up to 5% by weight on an oxide basis of at least one of the group Ta, Nb and the rare earths excluding cerium and also up to 1À5% by weight on an oxide basis of at least one of the group Cr, Mo, W, U. The Fe, Ni and Co are added as the oxides or carbonates, the Ba, Ca and Sr as carbonates and the other constituents as the oxides. The preferred composition of the base material lies within the area EFGH of Fig. 3 and the composition is exemplified by the formula Pb. 94  Sr. 06  (Zr. 53  Ti. 47 )O 3  with 0À03% to 1À0% NiO. The base material is prepared by mixing the oxides and firing at 850‹C, in an atmosphere of lead oxide if necessary, to prevent loss of lead. The Fe, Ni and/or Co are then added to the crushed base material, milled, formed by pressing, slip casting or extrusion and then fired at 1280‹C.- 1290‹C. Specifications 780,673, 818,710, 843,918, 843,919, 843,920 and 867,039 are referred to.
Patent GB-2217323-A (GB)
Title: 3,5-Dichloro-4-(1,1,2,3,3,3-hexafluoropropyloxy) aniline
Inventor: DRABEK JOSEF
IPC: C07C275/54
Filed: 1989-05-02
Abstract: The invention relates to 3,5-dichloro-4-(1,1,2,3,3, 3-hexafluoropropyloxy)-aniline, useful as an intermediate for substituted N-benzoyl-N'-3,5-dichloro-4-hexafluoropropyloxy-phenylureas, useful in pest control.
Patent GB-2234058-A (GB)
Title: Chimney throat restrictors
Inventor: IZZARD DAVID JAMES
IPC: F24B1/189
Filed: 1989-06-21
Abstract: Flow control means (10), e.g. for a decorative fuel effect gas fire, comprise a restrictor (12) adapted to be located at the bottom of a chimney throat (14) to restrict flow therethrough of combustion gases (16) from an open fire (18), the restrictor (12) defining passage means (20) for such gases (16), and guide means (22) for guiding the gases up and towards said passage means (20) which are plunged to aid flow therethrough. The restrictor (12) comprises a plate (26) being a continuation of a plate (24) of guide means (22) and pivotted and balanced to allow chimney debris (64) to build up behind the same and then to release such debris. Second guide means comprising a plate (66) guide combustion gases (76) towards second passage means (75) to reduce spillage of combustion gases (76) from the flow control means (10) and into the room. Sensor means (78) responsive to excess spillage operate a flame cut-out (80). When debris (64) builds up, it forces aside plate (26) and falls against a deflector (68) to a non-operational area (72). <IMAGE>
Patent GB-2235001-A (GB)
Title: Vibrating compactors
Inventor: DISNEY ROBIN EDMUND LLEWELLYN
IPC: E02D3/074
Filed: 1989-07-12
Abstract: A vibrating compactor comprises a chassis 1, a vibrating mechanism 4, and a rotary compaction roller 2 coupled to the vibrating mechanism 4 to vibrate the compaction roller 2 as it is used to roll material to be compacted. In addition a detachable compaction foot 3 is attachable to a compaction foot mounting 23 so that, in an alternative compaction mode, the vibrating mechanism 4 may vibrate the compaction foot 3 to compact material within a trench prior to the material being compacted to a higher density by rolling with the compaction roller 2. <IMAGE>
Patent GB-2236635-A (GB)
Title: Amplitude modulated transmitter
Inventor: BURRAGE CLEMENT PETER
IPC: H03C1/06
Filed: 1989-10-03
Abstract: An amplitude modulated transmitter comprises a carrier signal generator 1 and a multiway splitter 2 for dividing the signal generated thereby equally between a plurality of equal parallel amplifiers 3, 5, all driven at a constant output power. A combining network 6 combines the signals output from the amplifiers 3. Modulating arrangement 9-13 and 4 are arranged to sample a modulating signal at a predetermined sampling rate and to switch the amplifiers 3 in a first group of said amplifiers on and off selectively, such that the number of amplifiers in the first group switched en at any instant is determined by the sampled amplitude of the modulating signal at that instant, and to phase modulate the output of a second group of two amplifiers 5, such that the amplitude modulation on the output 7 of the transmitter substantially reproduces the modulating signal. The modulated output is detected at 11 and fed back as an input to the comparator 12. <IMAGE>
Patent GB-2227851-A (GB)
Title: Radio-active isotope imaging technique
Inventor: PULLAN BRIAN ROBERT
IPC: G03C5/16
Filed: 1989-12-27
Abstract: A method of removing the background exposure from a radiation sensitive emulsion used to image particle tracks of beta ray omitting isotopes immediately prior to exposure to a sample, by using either chemical eg. halogenated bleaches or physical means. An optical scanner capable of measuring or counting a number of developed grains in a series of small well-defined areas of interest on the film in which the film (7) is reciprocated transversely and moved stepwise incrementally past individual discs of light (9) produced from a laser beam (1) split by beam splitter (2), and passed through lenses (8). Tracks or grains produced by radioactivity represented by grains in the eradicated emulsion, are detected by detectors (11, 12) and fed to a computer to produce a displayed and/or recorded image. <IMAGE>
Patent GB-2240249-A (GB)
Title: Plant container watering system
Inventor: DYSON ERIC ADENIYI
IPC: A01G27/00
Filed: 1990-01-22
Abstract: A plant container watering system has an integrated water reservoir 6 below a plant container 1. Inserted through the reservoir is a spring loaded pump 14 operated by a push/pull and release action which supplies water via pipe/s 5 & 10 and valve/s 7 & 8 from the water reservoir 6 to outlet nozzle/s 3 over and onto the soil. In the push action mode protection against soil entering the moving parts is provided by a sleeve or casing about pump handle 12 and sealed by rubbers to prevent leakage of water from the pump 14 during use. Draining holes 13 located in a convenient position through the reservoir 6 allows excess water to return from the plant container 1 to the reservoir. The container may have hooks 2 whereby it can be suspended. <IMAGE>
Patent GB-2229610-A (GB)
Title: Pcm communication system
Inventor: FERGUSON STEPHEN PATRICK
IPC: H04J3/04
Filed: 1990-02-23
Abstract: The invention concerns digital communications apparatus for receiving a plurality of parallel digital input signals (IN1 ... IN16) all at one rate, and for interleaving multiple bit sequences of a predetermined length from each of the input data streams into a single data stream at a higher rate. The apparatus comprises a plurality of first stage blocks (BIC1) each adapted to receive a plurality of the input data streams and to output a similar number of data streams at the same bit rate but with the bits of the incoming data signals interchanged. The first stage blocks are connected to a plurality of second stage blocks (BIC2) each connected to said first stage blocks (BIC1) in such a manner that each secondary stage block is connected to a first stage block by a single data stream so that the secondary stage blocks (BIC2) interchange the bits of the already bit-interchanged input signal to generate a plurality of digital output data streams. Depending on the number of input signals to be interleaved the second stage blocks may be similarly connected to third stage blocks, and so on. Finally the apparatus comprises means (IL) for interleaving the output data streams from the second or final stage blocks to produce said higher rate output data stream.
Patent GB-2244546-A (GB)
Title: Computer input device
Inventor: KUO GI-CHIN
IPC: G06F3/0338
Filed: 1990-05-10
Abstract: A computer input device such as a game controller is shaped to fit within a user's gripped hand. The user's thumb (92) rests on a top sloping wall (31) and can control buttons (1 to 3). The forefinger (93) and middle finger (94) are located in indentations (331, 332) in a front wall (32) and control buttons (4, 5). The thumb (92) may instead control a tracker ball (Fig. 7). The input device is compact, can be gripped by a single hand and requires no flat surface. <IMAGE>
Patent GB-2236179-A (GB)
Title: Safety modification of gate control system of automatic barrier
Inventor: READING HUGO FREDERICK
IPC: E05F15/20
Filed: 1990-05-11
Abstract: A safety modification of the gate control system of the Automatic Gate of the LRT UTS Underground Ticketing System comprises reprogramming the computer so that the commands it sends to the logic control processor as a result of information received from the beam logic system will not cause the paddles to close after a certain lapse of time but will allow them to remain open until the person passing down the aisle has broken and passed through the infra red beam (2) situated beyond the sweep of the paddles. <IMAGE>
Patent GB-2234819-A (GB)
Title: Gas sensor device with sampling and oxygen mixing facilities
Inventor: WILLIAMS DAVID EDWARD
IPC: G01N1/24
Filed: 1990-07-20
Abstract: A gas sensor samples a predetermined volume of gas, mixes a predetermined volume of oxygen with the sample and contacts the mixture with an electrical sensor. The gas sensor may be in the form of a syringe with an electrical gas sensor 4 mounted on a plunger 2 inside the barrel 1. A stop ring 5 allows a predetermined volume of air to remain in the barrel before sampling. A gas sample may be drawn into the barrel via needle 3 upon partial withdrawal of the plunger from the barrel until stop 9 is reached. The electrical sensor may be electrochemical or a metal oxide device and may be heated, in an alternative embodiment, air is supplied through a metering valve. The sensor may be used, for example, in testing for the spoilage of packaged food since, in decaying, food produces gases such as ammonia and hydrogen sulphide. <IMAGE>
Patent GB-2234616-A (GB)
Title: TV receiver with world time display
Inventor: PARK JAE RYONG
IPC: H04N5/445
Filed: 1990-07-23
Abstract: A world time displaying method of a television receiver for displaying principal city names of the world and the present times of the cities upon the user's selection is disclosed. The method comprises steps of selecting a reference regional name according to designating key signals; displaying the reference regional name and the time of the reference region according to setting the time by time-designating key signal and minute-designating key signal; in such a state, calculating Greenwich Mean Time from the present time and the constant of the reference region according to selecting other region different from the reference region by world time display key signals; and calculating the present time of the selected region from the GMT and the constant of the selected regional name and then displaying the selected region and the present time of the selected region. <IMAGE>
Patent GB-2235818-A (GB)
Title: Deflection yoke for a cathode ray tube
Inventor: OSE TOSHIO
IPC: H01J29/70
Filed: 1990-07-31
Abstract: A deflection yoke for color cathode ray tubes having coils 1a, 1b, 2a, 2b for generating a barrel-shaped, vertical deflecting magnetic field and a pin-cushion shaped horizontal deflection magnetic field, further includes a differential coil 7a, 7b connected to the horizontal deflection coil 1a, 1b, a pair of cores 10a, 10b located in opposite positions at a smaller rim portion of the yoke, the cores being provided with coils 9a, 9b for generating a quadripolar magnetic field, wherein a pick-up coil 12 magnetically coupled to the differential coil 7a, 7b or the horizontal deflection coil 1a, 1b, feeds a current waveform shaping circuit 8 for supplying a current to the quadripolar magnetic field generating coils 9a, 9b, as shown in Fig. 3. The differential coil 7a, 7b may be wound on the same bobbin as the pick-up coil 12. Alternatively, the pick-up coil may be provided by part of the horizontal deflection coil. The correction current may be a half-cycle saw tooth or a parabolic waveform. <IMAGE>
Patent GB-2240826-A (GB)
Title: Transmission for a vehicle, particularly a tractor
Inventor: TANAKA TOMIO
IPC: B60K17/28
Filed: 1990-08-03
Abstract: A transmission for a working vehicle comprises a transmission case disposed between an engine and rear wheels, the transmission case housing, in a forward portion thereof, an input main shaft (20), a propelling transmission shaft (23) and a PTO transmission shaft (21) extending parallel to one another in the fore and aft direction. The propelling and PTO transmission shafts are arranged at laterally opposite sides of the input main shaft. A propelling change speed gearing (10) is mounted on and between the input main shaft and propelling transmission shaft. A PTO change speed gearing (11) is mounted on and between the input main shaft and PTO transmission shaft. These change speed gearings are preferably operable by change speed levers extending upwardly from a clutch case interposed between the engine and transmission case. <IMAGE>
Patent GB-2238486-A (GB)
Title: Catalyst for oxidation or decomposition of gas containing odor components
Inventor: WATANABE NORIKO
IPC: B01J23/68
Filed: 1990-11-12
Abstract: A catalyst for oxidation or decomposition of a gas containing odor components at a temperature of from room temperature to 300 DEG C in the presence of oxygen to make the gas harmless comprises a carrier and an active component supported on the carrier and contains, as the active component, silver and manganese in an atomic ratio of silver to manganese of 5:95 to 50:50. The silver and manganese are in the form of their oxides or a silver, manganese and oxide complex. Specific compounds destroyed by the catalyst in examples are acetaldehyde, methyl mercaptan and trimethylamine.
Patent GB-2238756-A (GB)
Title: Storage vessel detecting mechanism
Inventor: NISHIKAWA TOMOYUKI
IPC: G03G21/12
Filed: 1990-11-12
Abstract: A storage vessel presence, absence and fullness detecting mechanism is used for detecting an error condition of a storage vessel 60, which is detachably fitted in a main apparatus. The vessel is movably fitted in the main apparatus e.g. an electrophotographic copier, and one end 62a of a movable member 62, which is pivoted, is engaged with the vessel. The other end 62c of the movable member is respectively located between first and second positions when the vessel is not installed and when the vessel accommodating a predetermined amount of substances e.g. toner therein, is installed. It is detected whether the other end 62c of the movable member is located in a predetermined range. Error condition of the vessel is detected when the other end of the movable member is located at the position other than in the predetermined range. <IMAGE>
Patent GB-2249707-A (GB)
Title: Toe lasting machine
Inventor: YEH SO TOU
IPC: A43D21/12
Filed: 1990-11-13
Abstract: In a toe lasting machine the heel press block 42 and a pressing means 57 which presses down on a toe portion of the upper are actuable simultaneously so that when lasting is completed and a knife mechanism retracted pressing means 57 and block 42 move down simultaneously whereby the upper material is held flat. <IMAGE>
Patent GB-2240808-A (GB)
Title: An electrically operated door bolt
Inventor: BOCKISCH KARLHEINZ
IPC: E05B47/00
Filed: 1990-12-21
Abstract: An electrically operated bolt (11) is mounted on a sliding closure so as to be able to project transversely therefrom. The bolt (11) has a longitudinally extending bore (14) provided with an internal thread (15) with, which the external thread of a spindle (16), driven by an electric motor (6), corresponds in such a manner that, when the spindle (16) rotates, the bolt (11) is axially displaceable. <IMAGE>
Patent GB-2241738-A (GB)
Title: A door closer for a door
Inventor: CRASKE WILLIAM JOHN
IPC: E05F3/16
Filed: 1991-02-06
Abstract: A door closer (37) for a door (38), which door closer (37) comprises a spring (11) which flexes as the door (38) opens and which returns the door (38) to its closed position after use, braking means (15, 16, 17; 18,19, 20, 21), a unidirectional clutch (26) which releases the braking means when the door is opening and which engages the braking means as the door returns to its dosed position, and release means (28, 29) for releasing the braking means towards the end of the travel of the door to the closed position in order to provide a latching action. <IMAGE>
Patent GB-2240977-A (GB)
Title: Composition and method for treating cementitious layers
Inventor: GIBBINS PETER FREDERICK
IPC: C04B41/48
Filed: 1991-02-08
Abstract: In order to upgrade weak or failing cement/sand screeds in situ a low viscosity, polymer based, curable composition is applied thereto. The composition is one that penetrates the cementitious material and binds and strengthens same on curing. Such composition may be based on an epoxy resin or a polyisocyanate prepolymer.
Patent GB-2254060-A (GB)
Title: Escape slideways
Inventor: SU CHING-YANG
IPC: A62B1/20
Filed: 1991-03-26
Abstract: An escape slideway comprises a base stand 1, a swivel table 2, slideway faces 51, handrails 55, connecting plates 54, an oil hydraulic motor 22, a wiring wheel 4 and wire ropes 45. By loosing or winding the wire ropes, the slideway can be extended or folded. The escape slideway can be extended to the top of next tall building B, a safe place, or earth for persons escaping in an emergency. <IMAGE>
Patent GB-2256098-A (GB)
Title: Active brake warning indicator for motor vehicles
Inventor: CUTLER JOHN LEONARD
IPC: B60Q1/44
Filed: 1991-05-23
Abstract: An early warning is given to following drivers concerning the degree of vehicle braking by causing an ancillary brake light or lights and/or existing brake lights to flash together at a rate which is proportional to the degree of driver braking. This is accomplished by incorporating an accelerometer into an electronic circuit such that the accelerometer directly measures vehicle deceleration and causes the electronics to change the flash rate accordingly. The brake lights respond conventionally when the vehicle is stationary or reversing. A visual indication of correct operation is available to the vehicle driver. Device failure results in conventional brake light operation, or a manual override may be provided to switch to conventional operation.
Patent GB-2259771-A (GB)
Title: Electrochemical throughflow enzyme biosensor
Inventor: OBRENOVITCH TIHOMIR PAUL
IPC: C12Q1/00
Filed: 1991-09-20
Abstract: The sensor comprises a flow chamber containing an immobilised enzyme electrode and an auxiliary electrode and, upstream of the flow chamber, an electrochemical preconditioning cell which nullifies interfering ions. The enzyme electrode may respond to glucose, lactate, glutamate or choline and the preconditioning cell is preferably a long thin platinum flow tube set at 1.5V which pre-oxidises species such as ascorbic acid before they can reach the flow chamber containing the detector. The flow chamber may also comprise a reference electrode and the reference electrode may be operated potentiostatically.
Patent GB-2261503-A (GB)
Title: Monitoring a parameter of a magnetic or electromagnetic field
Inventor: WALPOLE STEPHEN JOHN
IPC: G01R29/08
Filed: 1991-10-08
Abstract: A parameter of a magnetic or an electromagnetic field is monitored by placing a crystal 1 in the field, the crystal being irradiated with electromagnetic radiation, for example laser light 2. The crystal, which may be piezo-electric crystal (such as quartz), is of the kind in which an optical quality e.g. transmissivity of the crystal is affected by the parameter. That optical quality is monitored by photo-detector 3 and an output signal representative of that quality and therefore the parameter generated. The apparatus may be used for measuring the bio-electrical signals of the brain, when it is incorporated in a light-proof container 16 of a headset. <IMAGE>
Patent GB-2261080-A (GB)
Title: Cleansing system for reducing soot deposition
Inventor: JERLIN ROLF ROBERT
IPC: F28G7/00
Filed: 1991-11-02
Abstract: A cleansing system for reducing and/or preventing the deposition of soot and/or dust in boilers, economisers and other units includes a sound generator 4 which functions by interrupting a flow of pressure air or gas at regular intervals, a reservoir 1 for containing the air or gas under pressure and supplying the sound generator, at least two resonance tubes 8, 9, 10 to receive sound pulses from the generator, a master valve 6 between the reservoir 1 and the sound generator 4, individual valves 15, 16, 17 between the sound generator and each resonance tube, a sensor 20 responsive to pressure changes in the reservoir 1 to open and close the master valve 6 and an independently-operating timer 18 for each of the individual resonance tube valves. The system uses a single sound generator to clean a plurality of boilers/economisers 12, 13, 14. <IMAGE>
Patent GB-2265263-A (GB)
Title: Electric converter circuit
Inventor: YANG TAI-HER
IPC: H02M3/158
Filed: 1992-03-18
Abstract: A converter circuit which provides a multi-voltage output by controlling switches SW101-SW105 so as to provide switching of batteries U1-U6. PWM control may be used. Other circuits providing the switching are described (Figs. 4-6). <IMAGE>