Howe, GB
Andrew Howe, Park GB
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20100068387 | INK FOR PRINTING ON LOW ENERGY SUBSTRATES - The invention provides an aqueous inkjet ink composition comprises a polymeric compound comprising discrete particles responsive to an external stimulus, and a functional material, wherein the functional material may be incorporated as part of the polymeric particles, the particles causing the composition to have a first rheological state and a different second rheological state in response to a stimulated change in conditions, the first rheological state being associated with a first lower viscosity of the composition, wherein the particles have a first lower volume, enabling the composition to pass through an inkjet printhead orifice and the second rheological state being associated with a second higher viscosity of the composition, wherein the particles have a second higher volume, enabling immobilisation of droplets of the composition on a substrate. The inkjet composition is particularly useful in a continuous inkjet printing system for printing onto a wide range of surfaces including impermeable surfaces. | 03-18-2010 |
Andrew Howe, Cambridge GB
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20150122487 | Downhole Electrochemical Sensor and Method of Using Same - An electrochemical sensor of a downhole tool positionable in a wellbore penetrating a subterranean formation is provided. The downhole tool has a flowline to receive downhole fluid. The electrochemical sensor includes a bulkhead carried by the downhole tool, a membrane exposed to the downhole fluid in the flowline, and an electrochemical cell supported by the bulkhead about the membrane. The electrochemical cell includes a plurality of cell sensors, at least one cell electrode, and a sensing solution. The plurality cell sensors include an analyte sensor, a temperature sensor, and a pH sensor. The sensing solution is reactive to certain analytes in the downhole fluid to generate electrical signals measurable by the plurality of cell sensors whereby parameters of chemicals in the downhole fluid may be measured. | 05-07-2015 |
20150246614 | INDUCTIVE POWER COUPLING SYSTEMS FOR ROADWAYS - An inductive power transfer system ( | 09-03-2015 |
Andrew Howe, Meopham GB
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20120185108 | Responsive Load Monitoring System and Method - A system employs a method of determining a level of potential responsive-load electrical power network service susceptible to being provided by one or more power consuming devices ( | 07-19-2012 |
Andrew Michael Howe, Cambridgeshire GB
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20120046407 | METHOD OF PREPARING STIMULUS-RESPONSIVE POLYMERIC PARTICLES - A method of making a polymeric compound, comprising discrete particles responsive to an external stimulus, that is resistant to aggregation in high-shear fields, which includes the addition of a polymerization initiator to a reaction mixture comprising a monomer corresponding to the polymeric compound, wherein the method comprises the portion-wise addition of aliquots of a cross-linking agent to the reaction mixture, wherein an aliquot of the cross-linking agent is added to the reaction mixture both before the addition of the polymerization initiator and after the polymerization has progressed substantially to completion. The polymer particles are largely immune to the effects of transient shear rates at least as high as 10 | 02-23-2012 |
Andrew Michael Howe, Cambridge GB
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20110245400 | STIMULUS-RESPONSIVE POLYMERIC PARTICLES - A stimulus-responsive polymer particulate composition, comprising a first monomer, such as an aqueous microgel derived, for example, from N-isopropylacrylamide, may be rendered less susceptible to aggregation at high shear (e.g. at least as high as 10 | 10-06-2011 |
20120255452 | STRUCTURAL INKS - A composition comprising a plurality of discrete carrier-swellable polymer particles (preferably polyNIPAM particles) and a corresponding carrier (e.g. water), which particles have a low polydispersity index and are present in an amount of at least 0.1% by weight of the composition may be used to impart structural-image properties (such as structural colour) to a substrate by coating or printing methods. Additional benefits of adherence to low-energy surface substrates and enhanced rheological properties for printing compositions may also be provided. The compositions and methods used in the invention allow visual effects or security applications to be incorporated into substrates in a low-cost and convenient manner. | 10-11-2012 |
20140045699 | STIMULUS-RESPONSIVE POLYMERIC PARTICLE FORMULATIONS - A stimulus-responsive formulation of stimulus-responsive polymer particles in aqueous composition has a rheology-stimulus profile (e.g. rheology-temperature) whereby it exhibits certain rheological behaviours over a range of temperatures, which is controllable by copolymerising a stimulus-responsive polymer-forming monomer, such as N-isopropylacrylamide, with a certain proportion of second monomer having weak acid functionality (such as acrylic acid) to form the stimulus-responsive microgel particles of the formulation and by addition of a base to the formulation to neutralise a portion but not all of the weak acid functionality. Thus a stimulus-responsive formulation may be controlled to exhibit gel-to-liquid-to-gel like behaviour with increasing temperature. | 02-13-2014 |
Andrew Robert Linton Howe, Meopham GB
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20160079778 | APPARATUS AND METHOD FOR MANAGING STORED ENERGY - There is provided an apparatus for correcting net energy when providing a load balancing service ( | 03-17-2016 |
Anthony Richard Howe, North Lincolnshire GB
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20140197222 | CABLE CLIP GUN - The invention relates to a cable clip gun ( | 07-17-2014 |
Anthony Richard Howe, Lincolnshire GB
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20140297112 | VEHICLE SECURITY DEVICE - The invention relates to a vehicle security device ( | 10-02-2014 |
Anthony Richard Howe, Barton Upon Humber GB
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20140140797 | TROLLEY FOR STORAGE IN A VEHICLE - The present invention relates to a vehicle storage device. A trolley is provided having folding legs with wheels which move from a first in use position with the legs supporting the trolley for wheeled movement along the ground, to a second storage position with the legs folded adjacent the trolley. A housing is provided for mounting in a vehicle to accommodate the trolley with legs in the second position. Goods can be placed in the trolley in one location and the trolley can be used to transport the goods with its legs in the first position to the vehicle where the trolley legs can be placed in a second storage position and the trolley placed in the housing whilst still supporting said goods, and the trolley can then be removed from the vehicle with its legs placed in the first position to transport goods to a second location. | 05-22-2014 |
20150070919 | BICYCLE LIGHTING SYSTEM - A bicycle lighting system comprises a front light | 03-12-2015 |
Chris Howe, Wakefield GB
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20110262111 | APPARATUS AND METHODS FOR HIGH-SPEED VIDEO PRESENTATION - A method of presenting video frames of a video segment at a non-standard speed is provided. A frame count is set to an initial value. For each video frame that is to be presented, a time offset relative to a staring time within the video segment is generated. The time offset may be generated by multiplying the frame count by two values. The first value is a length of time for which each selected frame is to be presented to the user, and the second value is the presentation rate of the video segment relative to a normal presentation rate. A video frame within the video segment corresponding to the time offset within the video segment is selected and output for presentation. The frame count is then updated, and the process is repeated for the next frame to be presented. | 10-27-2011 |
Christopher Andrew Howe, Ely GB
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20090112194 | LASER SYSTEM - A laser system ( | 04-30-2009 |
Daniel Jason Howe, Hereford GB
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20130149655 | FLUIDISED BED TREATMENT - An apparatus for the treatment of a component using a fluidised bed of powder fluidised by a gas flow has a treatment chamber for receiving at least a treatment part of the component and for containing the fluidised bed. A fluidising gas inlet provides fluidising gas to the treatment chamber and a fluidising gas outlet removes used fluidising gas from the treatment chamber. A powder screen is located between the treatment chamber and the fluidising gas outlet, the powder screen operable substantially to prevent loss of powder from the fluidising bed entrained in the fluidising gas removed from the treatment chamber. The treatment chamber can be small and moveable, and then applied to a part of a component to be treated. Heating of the fluidised bed may be provided by heating of the fluidising gas in a fluidising gas reservoir remote from the treatment chamber. | 06-13-2013 |
20130149656 | FLUIDISED BED TREATMENT - An apparatus and process is disclosed for the treatment of a component using a fluidised bed of powder. The apparatus includes a treatment chamber for receiving at least a treatment part of the component and a powder reservoir. The powder reservoir has heating or cooling means for controlling the temperature of the powder. A flexible powder conveyor (e.g. educator) links the treatment chamber and the powder reservoir, continuously conveying powder from the reservoir to the treatment chamber for use in the fluidised bed. The powder reservoir and the treatment chamber are independently positionable, so that the position of the treatment chamber is variable with respect to the powder reservoir during operation of the apparatus. | 06-13-2013 |
20130149658 | FLUIDISED BED TREATMENT - A component is treated in a fluidised bed by insertion of only a treatment part of the component into the treatment chamber of a fluidised bed apparatus. The non-treatment part of the component is located substantially outside the treatment chamber and out of contact with the fluidised bed. The boundary between the treatment part and the non-treatment part of the component is defined by a boundary containment surface at a fixed location with respect to the component. The boundary containment surface may be a seal which seals between the component to be treated and an aperture in a side wall of the treatment chamber. | 06-13-2013 |
David John Howe, Surrey GB
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20090323472 | SEISMIC SURVEY METHOD - A method of performing a 3-D seismic survey operation using (i) a plurality of vibroseis sources, and (ii) an array of seismic sensors arranged within a survey area wherein each vibroseis source emits a distinctive acoustic signal and each seismic sensor of the array is in a continuous state of readiness to detect reflected acoustic signals, the method comprising: (a) assigning vibroseis points (VPs) to each of the vibroseis sources; (b) independently moving each vibroseis source to assigned vibroseis point (VPs) where the vibroseis source emits its distinctive acoustic signal independently in time of the emission of the distinctive acoustic signals of the other vibroseis sources at their assigned vibroseis points (VPs); (c) recording the emission time of the distinctive acoustic signal by each vibroseis source at its assigned VPs together with the geographic position of the assigned VPs; (d) continuously listening for reflected acoustic signals using the array of seismic sensors and recording a time domain record of the reflected acoustic signals received by each seismic sensor of the array; wherein the reflected acoustic signals associated with the emission of a distinctive acoustic signal by a vibroseis source at an assigned VP are determined by: (i) extracting the reflected acoustic signals from the time domain records for the seismic sensors of the array during a predetermined listening time associated with the emission of the distinctive acoustic signal by the vibroseis source at the assigned VP; (ii) cross-correlating the extracted reflected acoustic signals with the distinctive emitted acoustic signal for the vibroseis source at the assigned VP thereby eliminating weakly correlated signals; and (iii) attenuating randomised cross-contamination in the cross-correlated extracted reflected acoustic signals from step (ii) using random noise attenuation techniques. | 12-31-2009 |
20110079461 | SEISMIC SURVEY METHOD - A method of conducting a seismic survey comprising using at least one seismic source operable to emit an acoustic signal comprises: —providing a first receiver line extending in a first direction across a region of the ground to be surveyed; —locating at least one seismic receiver at a point on the first receiver line, the seismic i receiver(s) being adapted to record reflected acoustic signals emitted by the seismic source(s); —providing a first pre-determined shot line having a plurality of shot points along its length, extending in a second direction and along which the seismic source(s) is movable; —operating the or one of the seismic source(s) to emit an acoustic signal at a first shot point on the pre-determined shot line, the reflection of the acoustic signal being recorded by the or one of the seismic receiver(s); and —operating the or one of the seismic source(s) to emit another acoustic signal at a second shot point on the pre-determined shot line, the reflection of the another acoustic signal being recorded by the or one of the seismic receiver(s); characterised in that at least one of the first receiver line and the first pre-determined shot line passes through or at least partially along a generally horizontal borehole extending through the region of the ground to be surveyed and the first pre-determined shot line transects the first receiver line. | 04-07-2011 |
20140140168 | SEISMIC SURVEY METHOD - Method of performing a 3-D seismic survey using a plurality of vibroseis sources, and an array of seismic sensors arranged within a survey area. Each vibroseis source emits a distinctive acoustic signal and each seismic sensor of the array is in a continuous state of readiness to detect reflected acoustic signals. The method includes assigning vibroseis points (VPs) to each vibroseis source, moving each vibroseis source to assigned VPs where the vibroseis source emits an acoustic signal, recording the emission time of the acoustic signal by each vibroseis source at its assigned VPs together with the geographic position of the assigned VPs, continuously listening for reflected acoustic signals using the seismic sensors and recording a time domain record of the reflected acoustic signals received by each seismic sensor. Reflected acoustic signals associated with emission of an acoustic signal by a vibroseis source at an assigned VP are then determined. | 05-22-2014 |
David Michael Howe, Stevenage GB
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20100123621 | Active interference suppression in a satellite communication system - The invention relates to active interference suppression in a satellite communication system, particularly but not exclusively to an apparatus and method for using active interference suppression in order to suppress co-channel interference between user signals in the communication system. The communication system includes a receive or transmit antenna having a plurality of antenna elements, each antenna element associated with a respective antenna element signal. The method includes the steps of calculating complex weighting values for one or more of a plurality of beam signals, adjusting the beam signals in accordance with the calculated complex weighting values and cancelling co-channel interference in at least one of the beam signals using the one or more adjusted derived beam signals to provide an interference suppressed output signal. The complex weighting values can be calculated based on a constant modulus algorithm. | 05-20-2010 |
20100221997 | Active interference suppression in a satellite communication system - The invention relates to active interference suppression in a satellite communication system, particularly but not exclusively to an apparatus and method for using active interference suppression in order to suppress co-channel interference between user signals in the communication system. The communication system includes a receive or transmit antenna having a plurality of antenna elements, each antenna element associated with a respective antenna element signal. The method includes the steps of calculating complex weighting values for one or more of a plurality of beam signals, adjusting the beam signals in accordance with the calculated complex weighting values and cancelling co-channel interference in at least one of the beam signals using the one or more adjusted derived beam signals to provide an interference suppressed output signal. The complex weighting values can be calculated based on a constant modulus algorithm. | 09-02-2010 |
Franklyn Arron Howe, London GB
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20160086326 | PROCESSING IMAGING DATA TO OBTAIN TISSUE TYPE INFORMATION - Methods and apparatus for obtaining probability density functions representing expected distributions of values of a parameter associated with an imaging modality are disclosed. The probability density functions are derived using data obtained from reference tissue volumes using the same imaging modality and at least one other type of imaging modality. The probability density functions are used to analyse data obtained from a volume of tissue of a patient in order to classify the tissue according to tissue type. Methods and apparatus are also disclosed in which deviations from a mean of an arctangent of ratios of first and second metabolite intensities in voxels are used to identify tissue types. | 03-24-2016 |
Geoffrey Stuart Howe, Newton Aycliffe GB
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20130168554 | MONITORING INSTRUMENT - The invention comprises an apparatus comprising a water-proof housing assembly comprising a housing ( | 07-04-2013 |
Geoffrey Stuart Howe, Durham GB
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20140175290 | RADIATION DETECTOR - A detector probe for detecting ionising radiation includes at least one detector ( | 06-26-2014 |
20140231664 | FLAME- PROOF RADIATION DETECTOR WITH WIRELESS COMMUNICATION MEANS - A radiation detector module includes a radiation detector, power source and wireless communication elements all housed within a flame-proof enclosure. The enclosure has a portion through which wireless transmissions can pass. The radiation detector module may be suitable for use in a hazardous area containing a potentially explosive gas mixture. | 08-21-2014 |
20150241262 | RADIATION DETECTOR - A detector probe, for detecting ionizing radiation and which is suitable for use in a nucleonic instrument usable in locations having a high ambient temperature, includes an array of radiation detectors mounted on a support and a heat pipe for cooling the detector probe. The nucleonic instrument incorporating such a detector probe is also described. | 08-27-2015 |
20150241327 | RADIATION DETECTOR FOR DENSITY OR LEVEL MEASUREMENTS - A nucleonic density profiler includes a detector probe, for detecting ionizing radiation, includes an array of radiation detectors and a circuit board including at least two circuit board portions. | 08-27-2015 |
Graham Ronald Howe, Caddington GB
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20120319916 | COMMUNICATION SYSTEM - A distributed antenna system (DAS) is described, including a wide band antenna device having respective transmit and receive antennas disposed in a single package and arranged to provide mutual isolation so that in use noise from the transmit antenna is isolated from the transmit antenna, whereby reception is possible at a frequency the same as transmission. | 12-20-2012 |
James Howe, Cambridge GB
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20140095497 | MANAGING GEOGRAPHIC REGION INFORMATION - In an implementation, geographic region information is managed through storage, in a database, of respective sets of coordinates of elements and region identifiers of a plurality of geographic regions that are mapped onto the respective sets of coordinates of elements, in which the plurality of geographic regions are expanded to extend into additional elements prior to the storage of the respective sets of coordinates and the region identifiers. | 04-03-2014 |
Martin Howe, Haywards Heath GB
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20140098348 | OPTICAL MASK FOR BLENDING OVERLAPPING TILED IMAGES - The invention provides an optical mask ( | 04-10-2014 |
Peter Richard Howe, Warrington, Cheshire GB
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20160113063 | ELECTRICAL HEATER - An electrical heater comprising; a first conductor, a second conductor, and a fluoropolymer heating element disposed between the first conductor and the second conductor, and a temperature regulation element disposed between the fluoropolymer heating element and the second conductor, wherein the fluoropolymer heating element comprises an electrically conductive material distributed within a fluoropolymer, and wherein the electrical heater comprises a stack, the first conductor, the second conductor, the fluoropolymer heating element, and the temperature regulation element comprising layers of the stack. | 04-21-2016 |
20160113065 | ELECTRICAL HEATER - An electrical heater comprising; a first conductor, a second conductor, and a heating element disposed between the first conductor and the second conductor, wherein the heating element comprises an electrically conductive material distributed within a first electrically insulating material, wherein the first electrically insulating material is an ethylene acetate or ethylene acrylate copolymer, and wherein the electrical heater comprises a stack, the first conductor, the second conductor and the heating element comprising layers of the stack. | 04-21-2016 |
Robert Howe, London GB
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20160129283 | METHOD OF CALIBRATION OF A STEREOSCOPIC CAMERA SYSTEM FOR USE WITH A RADIO THERAPY TREATMENT APPARATUS - The disclosed calibration method includes a calibration phantom positioned on an adjustable table on the surface of a mechanical couch, with the phantom's centre at an estimated location for the iso-centre of a radio therapy treatment apparatus. The calibration phantom is then irradiated using the apparatus, and the relative location of the center of the calibration phantom and the iso-centre of the apparatus is determined by analyzing images of the irradiation of the calibration phantom. The calibration phantom is then repositioned by the mechanical couch applying an offset corresponding to the determined relative location of the centre of the calibration phantom and the iso-centre of the apparatus to the calibration phantom. Images of the relocated calibration phantom are obtained, to which the offset has been applied, and the obtained images are processed to set the co-ordinate system of a stereoscopic camera system relative to the iso-centre of the apparatus. | 05-12-2016 |
Sean Anthony Howe, Barton Upon Humber GB
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20150070919 | BICYCLE LIGHTING SYSTEM - A bicycle lighting system comprises a front light | 03-12-2015 |
Simon Howe, South Shields GB
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20100035789 | Laundry System Having Unitized Dosing - Compositions, articles and methods are provided for supplying fabric care benefits to clothing or fabrics in an automated washing machine and by manual washing. The fabric care compositions preferably have less than about 5% detergent surfactants, more preferably less than 3%, even more preferably less than 1% and are most preferably free of detergent surfactants. Similarly, the fabric care compositions preferably have less than about 5% fabric softener actives, more preferably less than 3%, even more preferably less than 1% and are most preferably free of detergent surfactants. The laundry articles can take a variety of forms in a variety of physical states all of which will rapidly dispense a unitized amount of one or more selected fabric care agents to a wash and/or rinse bath solution during the laundering process under a variety of conditions. The invention also pertains to laundry kits that contain a variety of such articles and instructions concerning their use. Likewise, methods for preparing a customized laundry solution to obtain a specific fabric care benefit selected based on the user's personal preferences and/or the fabric care needs of the fabrics being laundered are also provided. Further, the present invention also concerns methods for assisting a consumer in identifying the unitized articles to be used in preparing a laundry solution that will impart desired fabric care benefits as well as merchandising displays for dispensing the articles, assembling customized laundry kits and instructing the consumer on the selection and use of laundry articles. | 02-11-2010 |
Simon Howe, Bridgend GB
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20100031317 | SECURE ACCESS - Secure access is provided to a resource hosted in a first domain. A first web server provides access to the resource. A second web server is provided in a second domain for receiving requests from a user for access to the resource. A browser is arranged for authentication and authorization for access to resources in the second domain and for forwarding requests from the user to the second web server. A reverse proxy is provided for publishing, with a resource identifier identifying the second domain, the resource to the second web server. The reverse proxy is arranged to forward to the first web server for access to the resource requests received from the second browser. | 02-04-2010 |
20120005738 | WEB APPLICATION PROCESS - A computer network and corresponding method for providing, as part of a web portal session, access for a user to a web application running on a server. The network comprises first and second traffic managers connected via an intermediate web server. The first traffic manager comprises interface means for receiving from the user, as part of the portal session, a request for access to the web application and for passing the request to the intermediate web server; for forwarding to the second traffic manger. The second traffic manager comprises interface means for receiving the request from the first traffic manager via the intermediate web server and for passing the received request to the web application. | 01-05-2012 |
Simon Howe, Tyne And Wear GB
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20090062173 | Laundry System Having Unitized Dosing - Compositions, articles and methods are provided for supplying fabric care benefits to clothing or fabrics in an automated washing machine and by manual washing. The fabric care compositions preferably have less than about 5% detergent surfactants, more preferably less than 3%, even more preferably less than 1% and are most preferably free of detergent surfactants. Similarly, the fabric care compositions preferably have less than about 5% fabric softener actives, more preferably less than 3%, even more preferably less than 1% and are most preferably free of detergent surfactants. The laundry articles can take a variety of forms in a variety of physical states all of which will rapidly dispense a unitized amount of one or more selected fabric care agents to a wash and/or rinse bath solution during the laundering process under a variety of conditions. The invention also pertains to laundry kits that contain a variety of such articles and instructions concerning their use. Likewise, methods for preparing a customized laundry solution to obtain a specific fabric care benefit selected based on the user's personal preferences and/or the fabric care needs of the fabrics being laundered are also provided. Further, the present invention also concerns methods for assisting a consumer in identifying the unitized articles to be used in preparing a laundry solution that will impart desired fabric care benefits as well as merchandising displays for dispensing the articles, assembling customized laundry kits and instructing the consumer on the selection and use of laundry articles. | 03-05-2009 |
20090325850 | Spray-Drying Process - The present invention relates to a process for preparing a spray-dried powder comprising | 12-31-2009 |
20100115708 | Laundry System Having Unitized Dosing - Compositions, articles and methods are provided for supplying fabric care benefits to clothing or fabrics in an automated washing machine and by manual washing. The fabric care compositions preferably have less than about 5% detergent surfactants, more preferably less than 3%, even more preferably less than 1% and are most preferably free of detergent surfactants. Similarly, the fabric care compositions preferably have less than about 5% fabric softener actives, more preferably less than 3%, even more preferably less than 1% and are most preferably free of detergent surfactants. The laundry articles can take a variety of forms in a variety of physical states all of which will rapidly dispense a unitized amount of one or more selected fabric care agents to a wash and/or rinse bath solution during the laundering process under a variety of conditions. The invention also pertains to laundry kits that contain a variety of such articles and instructions concerning their use Likewise, methods for preparing a customized laundry solution to obtain a specific fabric care benefit selected based on the user's personal preferences and/or the fabric care needs of the fabrics being laundered are also provided. Further, the present invention also concerns methods for assisting a consumer in identifying the unitized articles to be used in preparing a laundry solution that will impart desired fabric care benefits as well as merchandising displays for dispensing the articles, assembling customized laundry kits and instructing the consumer on the selection and use of laundry articles. | 05-13-2010 |
Timothy David Howe, Great Shelford GB
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20090305640 | Vehicle locating unit with improved power management method - A method of checking messages from a network of communication sources includes initially testing the signal strength of a plurality of communication sources, storing the identity of the communication sources with the two strongest signals, and alternatively entering a sleep mode and a wake-up mode, the wake-up mode synchronized to the communication source with the strongest signal. The method further includes testing the signal strength of one additional communication source, switching synchronization to the additional communication source if said source presents a signal stronger than the signal of a stored communication source with the strongest signal, and replacing the identity of any stored communication source if an additional communication sources tested in sequence presents a signal stronger than the signal of said stored communication source. | 12-10-2009 |
Timothy David Howe, Cambridgeshire GB
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20090303981 | NARROW BAND TRANSCEIVER - The data transmitted from a first station is transmitted at a first data rate. The data transmitted from a second station is transmitted at a second data rate. The second data rate is lower than the first data rate. In view of both the difference in data rates and the synchronisation between radio stations, a separate synchronisation word is not required to be sent from the second station to the first station on the uplink portion; instead, and because the uplink slots of a given frame are synchronised between transceiving stations, the start of the uplink payload slot can comprise signalling information which simply acts to signify the start of transmission of uplink data from the second station. | 12-10-2009 |
20090304127 | NARROW BAND RECEIVER - An RF receiver comprises a signal processor arranged to perform a method of decoding data contained within a signal that comprises a set of slots, at least one said slot comprising a preamble portion and a payload portion and being transmitted at a predetermined transmission frequency. The signal processor is arranged to perform a first process to derive timing data from the preamble portion and perform a second process to extract information from the payload portion, the second process being triggered from said timing data derived from the first process. The preamble portion comprises at least a first sequence of data and a second sequence of data, and the second sequence is the inverse of the first sequence. In preferred embodiments the first process comprises identifying a transition between said first and second sequences of data and deriving said timing data from the identified transition. | 12-10-2009 |