baber/WOPTO huggingface dataset:
Patent GB-2503779-A (GB)
Title: Method of controlling an inverter by temperature measurement and prediction employing variable frequency switching
Inventor: JAMES GARETH CHRISTOPHER
IPC: H02M1/32
Filed: 2013-05-03
Abstract: An iterative feedback process for optimising the switching frequency of an inverter based on predetermined lower and upper operating temperature limits. Different lower and upper temperature limits exist for the inverter ripple temperature Tripple and peak temperature Tpeak values. The upper temperature limits represent the failure temperature threshold. The method of controlling the switching frequency vs of the inverter comprises steps of: measuring/computing a signal indicative of a temperature variable at a first switching frequency to determine a measured/computed temperature variable for example Tripple or Tpeak ; comparing the measured temperature variable to a first temperature threshold and also a second temperature threshold, which may be lower than the first threshold; determining if the measured temperature variable is below the first threshold, and if so, calculating the temperature variable at a second switching frequency vs, which may be higher than the first switching frequency; if the temperature variable calculated at the second switching frequency is less than the first threshold, setting the switching frequency of the inverter to the second switching frequency 406, which may be higher than the first switching frequency. If the measured temperature variable is found to be between the first and second threshold then the step is repeated after a predetermined time, based on the system sampling rate. If the measured temperature variable is found to be above the first threshold then the switching frequency is reduced 404. The steps of reducing the frequency can continue until a minimum frequency is obtained, to prevent excess audible noise. The method may further involve online temperature measurement. The inverter may be suitable for use with a motor drive.
Patent GB-2515523-A (GB)
Title: Pedal control system for a vehicle
Inventor: MATEU JOAN
IPC: G05G1/405
Filed: 2013-06-26
Abstract: An adaptive pedal feeling system for a vehicle 600 for adapting the resistance of the pedal 603 of a vehicle in dependence upon driving conditions, where the vehicle receives (310, fig 3) at least one vehicle operating parameter, such as wheel speed, pedal effort, pedal position, driving force on a rolling wheel and determines (320, fig 3) a vehicle operating condition, such as a slip ratio, from the operating parameter, the vehicle operating condition being related to a vehicle adherence condition; the system then outputting a control signal 660, the control signal being arranged to adapt the behaviour of the pedal in response to the determined vehicle operating condition.
Patent GB-2519977-A (GB)
Title: Centrifugal oil and air separator for a gas turbine engine
Inventor: THIES ROBERT
IPC: F01M13/04
Filed: 2013-11-04
Abstract: An arrangement for separating oil particles from vent air in a gas turbine comprises a hollow shaft 2 defining a volume 22 having an inlet 20 through which air with entrained oil particles enters the volume 22 and an outlet through which, in use, air substantially free of entrained oil leaves the volume. The radially inner surface of the volume 22 may be provided by a hollow tube 12 which provides the outlet. The volume has an oil separator (breather) body 10, eg of wire mesh or metal foam, between the inlet and the outlet and through which the air passes, the separator body being attached to the hollow shaft 2 through a geared drive system, eg a planetary gear drive 100 so that the separator body 10 rotates faster than the shaft 2. The planetary gear drive 100 has a planetary outer ring (4, fig.2) driven by the shaft 2 and driving planet gears 6 which in turn drive a centre (sun) gear (9) which carries the breather drive arm 8.
Patent GB-2510972-A (GB)
Title: Optimized distributed routing for stretched data center models through updating route advertisements based on changes to address resolution protocol(ARP)table
Inventor: KEESARA SRIKANTH
IPC: H04L45/02
Filed: 2013-12-19
Abstract: In a subnet of a network, port members of an Internet Protocol (IP) interface or Virtual Local Area Network (VLAN) are distinguished into Access Interfaces which only lead to hosts on the subnet and Trunk Interfaces which lead to other redundant routers on the subnet. A network route for the subnet is always advertised. A separate host route corresponding to an Internet Protocol (IP) address of each Address Resolution Protocol (ARP) table record that points to an Access Interface is also advertised. Another router trying to forward traffic to the host will find the host route first, and since this is based on whichever router is closest to the host, it eliminates the potential for sub optimal routing behaviour. Route advertisements are changed for a host in the subnet for tracked Access Interfaces. For example, when an ARP record ages out or changes to point to a Trunk Interface, the corresponding host route advertisement is withdrawn.
Patent GB-2524470-A (GB)
Title: An apparatus and method for "high-resolution" electrical impedance imaging
Inventor: WANG WEI
IPC: A61B5/053
Filed: 2014-02-16
Abstract: Electrical impedance imaging comprises: using 104 an array of sampling points defined by an electrode frame at a first position 102, wherein the electrode frame defines a relative displacement of sampling points; and using a different array of sampling points defined by the same electrode frame at at least a different, second position. The electrode frame may be defined by a tessellated unit cell of electrodes which may be defined by first and second basis vectors and four electrode positions. The different arrays of sampling points may be defined by the same electrode frame at different positional offsets, which may be defined by rotation or translation. The electrode frame may be a sub-set of an array of electrodes and the position of the frame is changed by changing the subset of the array of electrodes (i.e. virtual repositioning). The electrode frame may be a fixed arrangement of sampling points and the position of the sampling points is changed by changing the physical positions of the array of electrodes (i.e. physical repositioning). The resulting image 106 may have a higher resolution than the resolution of each electrode frame.
Patent GB-2510986-A (GB)
Title: Three-dimensional video image pick-up and display system
Inventor: INABA MINORU
IPC: H04N13/239
Filed: 2009-01-19
Abstract: A stereoscopic video imaging display system comprises liquid crystal eyeglasses 130 formed of a liquid crystal plate and a polarizing plate, or shutter eyeglasses. A lens (figure 13, 133), which can be dioptre or focus adjusted by movement, is mounted at the front or back side of the eyeglasses. A LCD or organic EL display is mounted as a display 121. Left and right videos of stereoscopic video are alternately displayed in a time-division manner on the display. A width in a left view angle determined by lines connecting both ends of a reference dimension display screen and a left eye of an observer and in a right view angle determined by lines connecting both the ends of the reference dimension display screen and a right eye of the observer. The left and right videos are displayed at a position where they partially overlap each other (see figure 1).
Patent GB-2514642-A (GB)
Title: Regulator, converter and controlling method
Inventor: LIN QUENTIN
IPC: H02M3/156
Filed: 2014-02-21
Abstract: A regulator comprises a converter 101 and a controlling unit 102. The converter is preferably a buck converter. The controlling unit is configured to adjust the input voltage Vbus according to the output voltage Vled, so as to keep the difference of the input voltage and the output voltage constant or approximately constant. The regulator may comprise a switch 201, an inductor 202, a rectifier diode 203 and a capacitor 204. The switch may be a FET. The load may be an LED. The object of the invention is to keep the on-time of switch constant or approximately constant even though the load is variable.
Patent GB-2524032-A (GB)
Title: Mobile device charging
Inventor: GARRIDO ENRIQUE
IPC: H02J7/00
Filed: 2014-03-11
Abstract: A modular charging system comprising one or more charging modules separable and connectable to each other to form a rack. Each charging comprises a receptacle configured to receive a mobile device and electrical connectors to charge the mobile device. The receptacle is configured to releasably retain the mobile device. The charging system has a base or a wall mounting bracket. The charging modules have interconnectors for providing electrical or mechanical connections between adjacent charging modules.
Patent GB-2527021-A (GB)
Title: Portable and wireless night vision device for smartphones and tablets
Inventor: MONTRESOR MARCO
IPC: H04N7/18
Filed: 2014-03-20
Abstract: A night vision device captures objects in the dark illuminated by the infrared light emitted by a group of infrared leds (2). The resulting image is sent wirelessly (3) with a wifi direct connection to the screen of a smartphone or a tablet. The device is portable and powered by an internal battery (4).
Patent GB-2525675-A (GB)
Title: Loop for a portable electronic device case, housing, enclosure, or other
Inventor: FAIRBROTHER SAMANTHA JANE
IPC: A45F5/02
Filed: 2014-05-02
Abstract: A flexible mobile phone loop attachment that consists of a plate 1 and a loop 2 wherein the attachment may preferably be moulded from a substance such as silicone and formed as part of the devices case or housing 3. The attachment may be used in conjunction with a lanyard or karabiner to facilitate a connection method.
Patent GB-2516766-A (GB)
Title: Playground roundabout and method of installation
Inventor: WALMSLEY ROGER
IPC: A63G1/14
Filed: 2014-07-11
Abstract: A playground roundabout (or turntable) comprises a rotatable platform 16 on which children can be carried. The playground roundabout has a chassis, bearing means mounted upon the chassis, a skirt 22 surrounding the chassis, and the rotatable platform 16 mounted upon the bearing means. There is a gap G1 between the periphery of the platform 16 and the skirt 22, and one of the platform 16 and skirt 22 has an adjustable element 30 for adjusting the size of the gap G1. The platform 16 can carry one or more seats upon which children can sit and/or it can carry a railing which children can grasp whilst standing upon platform. There is also disclosed a method of installing a playground roundabout.
Patent GB-2520424-A (GB)
Title: Memory circuitry using write assist voltage boost
Inventor: CHEN ANDY WANGKUN
IPC: G11C11/419
Filed: 2014-10-28
Abstract: A memory device 2 comprising an array 4 of bit cells 6, and a write assist circuit comprising a write driver circuit 14 and a column select circuit 12. The write driver output is selectively coupled to the bit lines of the memory cells (such as SRAM 6T cells) by means of series connected column select transistor devices 16 which may be NMOS devices. The write driver circuit provides at least a negative boost write signal (-200mV) generated at a level lower than normal during a write operation. The column select circuit 12 drives the gate of column select transistors 16. The column select signal ysel(0-N) is boosted to a level lower than normal when a column is unselected and to a level higher than normal level when a column is selected. This is accomplished by means of separate voltage boost circuitry 20, 21 within the column select circuitry. The memory circuitry may comprise a precharge circuit to precharge the plurality of associated columnar bit lines to a high voltage, whilst the write driver dependent on the selected bit line, discharges the selected bitline towards the write voltage level facilitating the writing of the selected memory cell.
Patent GB-2527865-A (GB)
Title: Controlling operational characteristics of an acoustic echo canceller
Inventor: MANNAVA SOWMYA
IPC: H04M9/08
Filed: 2014-10-30
Abstract: An acoustic echo canceller estimates an echo component comprised in a microphone signal. A controller comprises: a noise estimator 304 to estimate a level of noise that is comprised in the microphone signal relative to the echo component; and a control module to control the acoustic echo canceller in dependence on that estimate. The level of noise relative to echo gives an indication of how noticeable the noise is likely to be and how much impact it will have on echo cancellation. The echo component may represent at least part of a far-end signal outputted by a loudspeaker and the noise estimator may obtain an initial estimate by estimating a level of the microphone signal during a delay between the far-end signal being outputted and the echo component becoming part of the microphone signal. The noise estimator may alternatively estimate the noise level relative to the echo component by calculating the echo-to-noise ratio (ENR) of the microphone signal. An echo estimator 303 may estimate the echo level relative to the far-end signal level by calculating the echo return loss of the microphone signal.
Patent GB-2532239-A (GB)
Title: Retractor with improved light source, and light source for an improved retractor
Inventor: JAMES MCGUIRE
IPC: A61B17/02
Filed: 2014-11-12
Abstract: A retractor 101 comprises a paddle 107 and a light module 109 removably attached to the paddle 107. The light source 109 may be attached towards a distal end of the paddle 107 and the paddle 107 may be longer than the light module 109. The retractor 101 may be of the Farabeuf or Williams type. The light module 109 may be attached to the paddle 107 by a retention feature which may comprise male and female runners 111, 113, male pips and female slots 115, 117 and/or studs, ridges and channels and/or plugs and sockets. The light module 109 may have first and second housings (151, 153 fig 6a) with side emitting LEDs (161 fig 6a) attached between the two housings (151, 153 fig 6a). The first housing (151 fig 6a) may function as a waveguide receiving light from the LEDs (161 fig 6a) and may comprise a diffusion surface, which may comprise etching, moulding or printing, to function as a light guide panel. The light module 109 may comprise a switch (159 fig 6a) which may actuate automatically when the light module 109 is attached to the paddle 107.
Patent GB-2532767-A (GB)
Title: Fire proofed enclosures for consumer units
Inventor: DEREK ALFRED WARD
IPC: H02B1/28
Filed: 2014-11-27
Abstract: An enclosure 10 for a consumer unit, which is capable of being secured to a wall or other surface over the consumer unit to cover the same, comprises side walls 12 which, in use, project from the surface to which the consumer unit is secured to lie alongside side walls of the consumer unit. A lid 14 is hinged to the side walls of the enclosure to provide access to the enclosure and a lining of a fire-proofed material is applied to the inner surfaces of the side walls and the lid. An opening 30 is formed in one or more side walls of the enclosure through which electrical cabling leading to and from the consumer unit can pass and a sheet 32 of fire-proofed material is positioned over the or each such opening. Each sheet is shaped or is capable of being shaped to enable the cabling to pass to or from the enclosure interior.
Patent GB-2530608-A (GB)
Title: Failure tolerant vehicle speed
Inventor: JOYCE JOHN PATRICK
IPC: B60T8/92
Filed: 2015-07-03
Abstract: An autonomous vehicle control sub-system 105 includes first and second brake control modules 106 and 107 communicatively and electrically connected to one another, and a plurality of wheel-speed sensors 110 connected to the first brake control module 106. The first module is programmed to receive wheel-speed data from the wheel-speed sensors. The second module is programmed to process the wheel-speed data in the event of a failure in the first module. Both modules may be programmed to provide a signal to a brake actuator, the first module may be programmed to calculate at least one wheel-speed. Modulated electrical signals may be used to provide wheel-speed data between the modules, and the first module may be programmed to receive wheel-speed data from less than all of the sensors. The system may also comprise a powertrain control module to provide an average speed of the wheels to the second module via a wired connection. The second module may be connected to the first so that it may supply power to the first module via power source 126 in the event of a malfunction, which may in turn provide power to the sensors.
Patent GB-2543475-A (GB)
Title: Window or door locking system
Inventor: ALAN THOMAS PARKER
IPC: E05C17/02
Filed: 2015-08-19
Abstract: An adaptor for a window or door locking system, the adaptor having a base plate 160, a first and second cam 170 (180 Fig. 5), wherein the base plate is attached to an operation rod 140 of a shootbolt assembly having a longitudinal axis, and wherein the first and second cams are arranged on the base plate, the first cam being arranged substantially in-line with the longitudinal axis of the operation rod of the shootbolt assembly, and the second cam being arranged out of line with the longitudinal axis of the operation rod of the shootbolt assembly so that the window may be securely placed in both closed and night-vent positions. The two cams may be identical or differently shaped, for example different lengths or with a head. In use the two cams engage a double entry keep 80, with the second cam being located in the keeper for the first cam 81 when in the night vent position.
Patent GB-2542806-A (GB)
Title: Lighting state synchronization
Inventor: ABHINAV SOMARAJU
IPC: H05B37/02
Filed: 2015-09-30
Abstract: A controller 200 for a luminaire 220 includes a transceiver 202 and a processor 201. Communication on a communication link 110, such as a radio link, is monitored. At a predetermined point in time, packetized data indicating a luminaire status information of the luminaire is sent by the transceiver. Said sending of the packetized data is selectively executed depending on said monitoring. In various embodiments, said sending of the packetized data and said monitoring of the communication on the communication link may comprise executing a Trickle algorithm. The packetized data may be used to enable synchronisation between plural luminaires on a common network.
Patent GB-2527976-A (GB)
Title: Downhole drilling motor and method of use
Inventor: SAMUEL ROBELLO
IPC: E21B4/02
Filed: 2013-05-23
Abstract: A downhole drilling motor comprises a first elastomer stator molded to an inner surface of a housing in a drillstring where the first elastomer stator has a first number of lobes. A dual purpose, helical shaped hollow member is positioned within the first elastomer stator, where the dual purpose hollow member has a second number of lobes formed on an external surface to form a first rotor. The second number of lobes is one less than the first number of lobes. A second elastomer stator is adhered to an inner surface of the dual purpose helical shaped hollow member, where the second elastomer stator has a second helical shaped cavity with the second number of lobes. A second helical shaped rotor is positioned within the second helical cavity, and has a third number of lobes one less than the second number of lobes.
Patent GB-2544759-A (GB)
Title: Sit-up bench apparatus
Inventor: YI-TZU CHEN
IPC: A63B23/02
Filed: 2015-11-25
Abstract: A sit-up bench apparatus includes a base set I0, two supporting rod sets 20, two elastic sets 30 and an extending rod set 40. The base set 10 includes a seat body (11 fig.2) and a pivotal base (12 fig. 2). A receiving groove (1216 fig. 4) is formed at one end of the pivotal base (12 fig. 2). The supporting rod set 20 is pivotally disposed at the pivotal base (12 fig. 2) and includes a supporting rod 20 and a first cylinder (22 fig. 3). The first cylinder (22 fig. 3) is connected with the supporting rod 20. The elastic set 30 is disposed at the pivotal base (12 fig. 2) and includes a spring (31 fig. 3) and an extending rod set 40. The extending rod set 40 is disposed in the receiving groove (1216 fig. 4) and includes a supporting wheel (43 fig. 2) disposed at one end of the extending rod set 40. The apparatus allows a user to exercise multiple muscle groups including the abdomen.
Patent GB-2536099-A (GB)
Title: Rotatable control device with axial translation
Inventor: JOHN R WILLIAMS
IPC: G05G1/08
Filed: 2015-12-10
Abstract: Control device comprising a rotatable knob 110 with a cam surface 165 and an annular frame 120 with a radial extension 135, the extension engaging the cam surface and also being coupled to an axially movable device 140. As the knob rotates, the cam engages the extension and so moves the extension and device in a linear fashion. The cam surface and frame may also comprise detent structures 160 so as to indicate the position of the knob. There may be two diametrically opposing cam surfaces 170 rather than one. The device may also comprise a housing including a notch which couples to a tab 125 on the frame to retain the frame against the housing. Also provided are a tool including a similar device with a bendable frame, and a method of using a similar device with a tilting frame.
Patent GB-2539745-A (GB)
Title: Passive NOx adsorber
Inventor: JOHN LEONELLO CASCI
IPC: F01N3/10
Filed: 2016-02-22
Abstract: A passive NOx adsorber comprising a noble metal-MAZ zeolite is disclosed. The passive NOx adsorber is effective to adsorb NOx at or below a low temperature, such as 250oC and release the adsorbed NOx at temperatures above the low temperature. The passive NOx adsorber comprises a noble metal, such as palladium, and a molecular sieve having a MAZ Framework Type, selected from ZSM-4, LZ-202, mazzite and omega zeolite. The invention also includes an exhaust system comprising the passive NOx adsorber, and a method for treating exhaust gas from an internal combustion engine utilizing the passive NOx adsorber.
Patent GB-2550857-A (GB)
Title: Printer
Inventor: MATTHEW LANGHELT
IPC: B65H7/20
Filed: 2016-05-25
Abstract: A non-contact printer controls the sensitivity of sensors (33, 35 fig 5) provided upstream of a print head, to detect the approach of an object (11, fig 4) to be printed onto. In a calibration operation to set the sensitivity level of the sensors (33, 35) before a printing operation, the printer displays instructions to guide the operator and adjusts the sensor sensitivity to find detection threshold levels for a background (object absent) condition and when the object is present. The calibration results can be stored in association with data identifying the conveyor (13, fig 4) and the type of object (11) used in the calibration operation. If the same conveyor and/or object type is used again in a later printing operation, the sensitivity level of the sensors (33, 35) can be set using the stored calibration results so that a further calibration operation is not necessary.
Patent GB-2551203-A (GB)
Title: Guiding arangement of high pressure pump
Inventor: ANDREW PLAYLE
IPC: F04B1/04
Filed: 2016-06-10
Abstract: A shoe guide member 30 of a high pressure fuel pump is provided with a guiding bore 56 opening in a top face 52 and in a bottom face 54 of the shoe guide member. The guiding bore 56 defines guiding faces 58, 60, 62 & 64 against which, in use, slide faces of a shoe member. The shoe guide member is further provided with at least one groove 66 arranged in a guiding face, said groove extending from said top to said bottom face and enabling, in use, lubricant fluid to flow between said top and bottom faces. A plurality of grooves may be used on all faces of the shoe guide, the grooves may be equally spaced and parallel to each other. Grooves may be employed on the shoe, rather than the shoe guide, or on both members simultaneously.