mhurhangee/patent-ind-claim-en huggingface dataset:
A method for adjusting an antenna arrangement for mitigating interference in a line of sight, LOS, multiple input multiple output, MIMO, system , the antenna arrangement comprising at least two antennas , the method comprising: - adjusting (S108) a distance ( d 1 ) between two antennas of the antenna arrangement by an adjustment distance ( ε ) to compensate for interference caused by at least one reflection, for example caused by an object , occurring along a line of sight link from the antenna arrangement to antennas intended to communicate with the antenna arrangement, wherein adjusting the distance ( d 1 ) comprises: o moving (S108a) at least one of the two antennas so as to vary the distance over a range from a first end-point to a second end-point; - obtaining (S108b, S108c), during said moving, o quality values of transmissions over the line of sight link, each quality value being associated with a unique distance between the two antennas; o environmental information impacting the LOS MIMO system; - determining (S108d) the adjustment distance ( ε ) based on the quality values and the environmental information. - adjusting (S108) a distance ( d 1 ) between two antennas of the antenna arrangement by an adjustment distance ( ε ) to compensate for interference caused by at least one reflection, for example caused by an object , occurring along a line of sight link from the antenna arrangement to antennas intended to communicate with the antenna arrangement, wherein adjusting the distance ( d 1 ) comprises: o moving (S108a) at least one of the two antennas so as to vary the distance over a range from a first end-point to a second end-point; o moving (S108a) at least one of the two antennas so as to vary the distance over a range from a first end-point to a second end-point; - obtaining (S108b, S108c), during said moving, o quality values of transmissions over the line of sight link, each quality value being associated with a unique distance between the two antennas; o environmental information impacting the LOS MIMO system; o quality values of transmissions over the line of sight link, each quality value being associated with a unique distance between the two antennas; o environmental information impacting the LOS MIMO system; - determining (S108d) the adjustment distance ( ε ) based on the quality values and the environmental information.
An RCS reduction surface for reducing a radar cross section of an object, said RCS reduction surface comprising at least one absorber portion , said absorber portion being configured to absorb radar waves, said RCS reduction surface further comprising at least one reflecting portion , said reflecting portion being configured to reflect radar waves, wherein a first plane ( E 1 ) being associated with a top surface of said absorber portion and a second plane ( E 2 ) being associated with a top surface of said reflecting portion are spaced from each other by a predefined distance (Δ d ), and wherein said predefined distance (Δ d ) is configured such that radar waves with a predefined wavelength range that are reflected at said absorber portion and at said reflecting portion interfere destructively with each other, characterized in that a total area of the at least one absorber portion and a total area of the at least one reflecting portion have a predefined ratio, wherein said predefined ratio is dependent on an absorbance of said at least one absorber portion , and wherein said predefined ratio is configured such that an overall intensity of a radar wave that is reflected by said RCS reduction surface is minimized. said RCS reduction surface further comprising at least one reflecting portion , said reflecting portion being configured to reflect radar waves, wherein a first plane ( E 1 ) being associated with a top surface of said absorber portion and a second plane ( E 2 ) being associated with a top surface of said reflecting portion are spaced from each other by a predefined distance (Δ d ), and wherein said predefined distance (Δ d ) is configured such that radar waves with a predefined wavelength range that are reflected at said absorber portion and at said reflecting portion interfere destructively with each other, characterized in that a total area of the at least one absorber portion and a total area of the at least one reflecting portion have a predefined ratio, wherein said predefined ratio is dependent on an absorbance of said at least one absorber portion , and wherein said predefined ratio is configured such that an overall intensity of a radar wave that is reflected by said RCS reduction surface is minimized.
Apparatus for intermixing a mass such as a dispersion, comprising a large-volume container with a container wall, and a mixing unit arranged on the container , wherein the mixing unit comprises at least one linearly displaceable piston mounted in said container and has at least one mixing element , and said container comprises a bottom with a diameter, wherein the mixing element extends two-dimensionally around the piston for the purpose of intermixing the mass, wherein the mixing element has recesses and is arranged at a distance from the container wall, wherein the mixing element is of convex construction, characterized in that a diameter of the mixing element is equal to 10 % to 40 % of the bottom.
An image sensor comprising an arrangement of pixels, the pixels including an acquisition circuit each, the acquisition circuit including: a sensor circuit configured to generate a sensor signal (VLOG) depending on a light signal illuminating a photosensor of the pixel; a storage circuit configured to store during a storage interval a stored signal (VSTORE) proportional to the sensor signal (VLOG); and a comparator circuit configured to generate after the storage interval a comparator signal (VCOMP) depending on the sensor signal (VLOG) and the stored signal (VSTORE), wherein the storage circuit includes at least one amplifier (A1, A2), and the comparator circuit includes the same at least one amplifier (A1, A2), and wherein the sensor signal (VLOG) is connected to an input of the at least one amplifier (A1, A2) and wherein another input of the at least one amplifier (A1, A2) is connected via a capacitor (C1) to ground, wherein the stored signal (VSTORE) is connected via the capacitor (C1) to ground, wherein the comparator signal (VCOMP) is generated after the storage interval additionally depending on a first offset signal (VREF_PLUS) during a first interval (φ1) and depending on a second offset signal (VREF_MINUS) during a second interval (φ2), wherein the first offset signal (VREF_PLUS) and the second offset signal (VREF_MINUS) are each offset in voltage from a reference signal (VREF). a sensor circuit configured to generate a sensor signal (VLOG) depending on a light signal illuminating a photosensor of the pixel; a storage circuit configured to store during a storage interval a stored signal (VSTORE) proportional to the sensor signal (VLOG); and a comparator circuit configured to generate after the storage interval a comparator signal (VCOMP) depending on the sensor signal (VLOG) and the stored signal (VSTORE), wherein the storage circuit includes at least one amplifier (A1, A2), and the comparator circuit includes the same at least one amplifier (A1, A2), and wherein the sensor signal (VLOG) is connected to an input of the at least one amplifier (A1, A2) and wherein another input of the at least one amplifier (A1, A2) is connected via a capacitor (C1) to ground, wherein the stored signal (VSTORE) is connected via the capacitor (C1) to ground, wherein the comparator signal (VCOMP) is generated after the storage interval additionally depending on a first offset signal (VREF_PLUS) during a first interval (φ1) and depending on a second offset signal (VREF_MINUS) during a second interval (φ2), wherein the first offset signal (VREF_PLUS) and the second offset signal (VREF_MINUS) are each offset in voltage from a reference signal (VREF).
A non-exoskeletal rehabilitation device , with at least three active degrees of freedom and comprising three joints (J1, J2, J3), wherein the device is oriented and positioned such that its reference frame is oriented generally similarly to the reference frame of the patient , and motions of the patient's endpoint are mimicked by motions of the device's endpoint, characterized in that two of the device's degrees of freedom are linked through a cabled differential, and the cabled differential is configured such that both the input and output axes are perpendicular to the axis of the link distal to the cabled differential, and wherein the device comprises three motorized rotary degrees of freedom in a pitch-yaw-yaw configuration, wherein the first two joints (J1, J2) are linked through a cabled differential, wherein the actuator for the third joint (J3) is coaxial to the axis of the second joint (J2) and located close to the axis of the first joint (J1) so as to reduce its impact on the overall inertia of the device , and wherein a range of motion of the second joint (J2) is symmetric about a plane coincident with the second joint (J2) and perpendicular to the first joint (J1) to enable reversing the chirality of the device .
A flight obstacle illuminator comprising: - a light source comprising a first light emitting diode (LED) and a second light emitting diode (LED) , and - optics comprising at least one lens positioned on the light path of the first or second LED , wherein the first LED of the light source and the at least one lens of the optics form a first combination of components , the components of which are configured to cooperate so as to output a first output light pattern (A) having a width in a vertical plane wherein the vertical plane extends radially from the vertical center line of the illuminator when in an installed configuration, characterized in that : - the first LED is a larger LED chip and the second LED is a smaller LED chip or the first LED comprises a dome and the second LED is domeless, wherein the first LED has a first optical size and the second LED has a second optical size, which is smaller than the first optical size, - the second LED and said at least one lens of the optics or another such lens of the optics form a second combination of components , which second combination is different to the first combination, - the components of the second combination are configured to cooperate such to output a second output light pattern (B) having a width in said plane, which width of the second output light pattern (B) is narrower than that of the first output light pattern (A), and in that - the total output light pattern (A+B) of the flight obstacle illuminator is a sum of the output light patterns (A, B) produced by the combinations of components , whereby the flight obstacle illuminator is configured to produce a total output light pattern (A+B) formed by at least two light beams of different beam spread in the vertical dimension. - a light source comprising a first light emitting diode (LED) and a second light emitting diode (LED) , and - optics comprising at least one lens positioned on the light path of the first or second LED , - the first LED is a larger LED chip and the second LED is a smaller LED chip or the first LED comprises a dome and the second LED is domeless, wherein the first LED has a first optical size and the second LED has a second optical size, which is smaller than the first optical size, - the second LED and said at least one lens of the optics or another such lens of the optics form a second combination of components , which second combination is different to the first combination, - the components of the second combination are configured to cooperate such to output a second output light pattern (B) having a width in said plane, which width of the second output light pattern (B) is narrower than that of the first output light pattern (A), and in that - the total output light pattern (A+B) of the flight obstacle illuminator is a sum of the output light patterns (A, B) produced by the combinations of components , whereby the flight obstacle illuminator is configured to produce a total output light pattern (A+B) formed by at least two light beams of different beam spread in the vertical dimension.
Circular knitted fabric section having a base fabric knitted with at least one base fabric yarn from a plurality of courses which are interknitted and helically encircling when viewed in the longitudinal direction of the base fabric, wherein - when viewed in the longitudinal direction (L) of the base fabric - incorporated in the knit between a plurality of respectively adjacent courses of the base fabric is in each case one additional yarn that forms an additional course formed from additional loops and connects the adjacent courses , wherein each additional course formed between two adjacent courses is in each case formed by at least one separate additional yarn , wherein in a region of the circular knitted fabric section in which are provided additional courses , provided for designing a specific functional orientation or a specific geometry of the region are a multiplicity n of additional courses of different lengths, where n > 3.
A process for synthesis of conductive silver/polyaniline nanocomposites, the process including high-temperature polyol synthesis of colloidal silver nanoparticles solution with particle size distribution 70 ± 20 nm, wherein the high temperature is a temperature up to 160 °C, based on polyol with the use of functional trialkoxysilane molecules as capping agents, followed by admixing of the prepared colloidal silver solution into aniline solution, wherein the molar ratio of APTMS-to-AgNO 3 is from 0.5 to 6.8, and finally the polymerization of aniline monomers using potassium iodate at room temperature in an acidic medium having a pH value 0.5 and aniline-to-potassium iodate molar ratio 1:1.
A method of manufacturing a pneumatic tire having a sidewall-over-tread structure with the sidewall formed to cover tread ends, comprising: a first cover forming step of wrapping sidewalls on opposite end portions of a first forming drum , pasting an inner liner and a ply on the center of the first forming drum , setting a pair of beads inside said sidewalls , and forming sides of tread by strip-winding on said sidewalls outer than said beads , and thereby forming a first cover ; a tread ring forming step of successively pasting, on a second forming drum , a breaker and a band and then forming a center of tread by strip-winding on said band , and thereby forming a cylindrical tread ring ; a shaping step of inserting said first cover inside said tread ring , and inflating that portion of said first cover which is between the said beads , and thereby pressure-bonding said tread ring with said first cover to form a shape of a low cover, and a turn-up step of turning said sidewalls outside of said beads toward side surfaces of said inflated first cover and pasting said sidewalls on the side surfaces of said first cover , and bonding said sides of tread on the first cover and said center of tread on said tread ring . a first cover forming step of wrapping sidewalls on opposite end portions of a first forming drum , pasting an inner liner and a ply on the center of the first forming drum , setting a pair of beads inside said sidewalls , and forming sides of tread by strip-winding on said sidewalls outer than said beads , and thereby forming a first cover ; a tread ring forming step of successively pasting, on a second forming drum , a breaker and a band and then forming a center of tread by strip-winding on said band , and thereby forming a cylindrical tread ring ; a shaping step of inserting said first cover inside said tread ring , and inflating that portion of said first cover which is between the said beads , and thereby pressure-bonding said tread ring with said first cover to form a shape of a low cover, and a turn-up step of turning said sidewalls outside of said beads toward side surfaces of said inflated first cover and pasting said sidewalls on the side surfaces of said first cover , and bonding said sides of tread on the first cover and said center of tread on said tread ring .
A combustor arrangement , comprising: a pilot burner comprising a pilot cone ; a plurality of clockwise main swirlers interposed among a plurality of counterclockwise main swirlers and disposed concentrically about the pilot burner ; and a base plate transverse to the main swirlers ; wherein inbound-zones exist where adjacent portions of adjacent flows through main swirlers flow toward the pilot cone , and interposed between the inbound zones , outbound zones exist where adjacent portions of adjacent flows flow away from the pilot cone ; characterized in that the combustor arrangement is configured to deliver relatively more cooling fluid to the inbound-zones than to the outbound zones via high flow regions disposed upstream of the inbound zones with respect to a longitudinal axis of the combustor arrangement . a pilot burner comprising a pilot cone ; a plurality of clockwise main swirlers interposed among a plurality of counterclockwise main swirlers and disposed concentrically about the pilot burner ; and a base plate transverse to the main swirlers ; wherein inbound-zones exist where adjacent portions of adjacent flows through main swirlers flow toward the pilot cone , and interposed between the inbound zones , outbound zones exist where adjacent portions of adjacent flows flow away from the pilot cone ; characterized in that the combustor arrangement is configured to deliver relatively more cooling fluid to the inbound-zones than to the outbound zones via high flow regions disposed upstream of the inbound zones with respect to a longitudinal axis of the combustor arrangement .
A vacuum cleaner comprising: a cleaner main body comprising a suction motor arranged to generate a suction force; a suction unit arranged to communicate with the cleaner main body and receive air and dust; a battery arranged to supply power to the suction motor ; a battery management system "BMS" arranged to detect a status of the battery ; and a controller arranged to control an operation of the suction motor , wherein the controller is arranged to stop the suction motor if a voltage of the battery detected by the BMS reaches a reference voltage, and wherein the controller is arranged to change the reference voltage from a first voltage to a second voltage if a condition is satisfied, characterized in that the condition is that the number of times of usage of the battery exceeds a reference number, that an accumulated usage time of the battery exceeds a reference accumulated time, that a voltage reduction rate is greater than a reference reduction rate during discharging of the battery , that a voltage increase rate is less than a reference increase rate during charging of the battery , that a charging time during which a predetermined amount of current charges the battery is greater than a reference charging time during charging of the battery , or that an available usage time of the battery is less than or equal to a reference usage time; and optionally wherein the controller is arranged to determine whether the condition is satisfied and wherein the second voltage is lower than the first voltage. a cleaner main body comprising a suction motor arranged to generate a suction force; a suction unit arranged to communicate with the cleaner main body and receive air and dust; a battery arranged to supply power to the suction motor ; a battery management system "BMS" arranged to detect a status of the battery ; and a controller arranged to control an operation of the suction motor , wherein the controller is arranged to stop the suction motor if a voltage of the battery detected by the BMS reaches a reference voltage, and wherein the controller is arranged to change the reference voltage from a first voltage to a second voltage if a condition is satisfied, characterized in that the condition is that the number of times of usage of the battery exceeds a reference number, that an accumulated usage time of the battery exceeds a reference accumulated time, that a voltage reduction rate is greater than a reference reduction rate during discharging of the battery , that a voltage increase rate is less than a reference increase rate during charging of the battery , that a charging time during which a predetermined amount of current charges the battery is greater than a reference charging time during charging of the battery , or that an available usage time of the battery is less than or equal to a reference usage time; and optionally wherein the controller is arranged to determine whether the condition is satisfied and wherein the second voltage is lower than the first voltage.
An active device for attenuating tonal acoustic emissions of a nacelle of an aircraft turbojet engine, said device including circulation conduits for controlled pressurized air flow rate supplying rotary elements of the device each comprising a system for pulsating the flow of the delivered air, these rotary elements controlled in speed and in angular position, delivering to outlet diffusers of the device a pulsed air flow rate with a pulsation having an adjusted frequency, phase, and amplitude so as to minimize the acoustic power radiated out of the nacelle and characterized in that the rotary elements called choppers include downstream an outlet sleeve having a passage geometry for the output air flow rate which is adjustable.
A method of preparing a catalyst composition, the method comprising: mixing water, carbon black, and a water soluble organic binder, in the absence of an organic solvent, to form a carbon black mixture, wherein the binder comprises: (i) a saccharide selected from the group consisting of a monosaccharide, a disaccharide, an oligosaccharide, and any combination thereof and (ii) a polymeric carbohydrate, wherein the water content of the carbon black mixture is from 5 wt.% to 70 wt.%, the carbon black content of the carbon black mixture is at least 35 wt.% on a dry weight basis, and the binder content of the carbon black mixture is at least 10 wt.% on a dry weight basis, and wherein a binder is deemed water soluble if the solubility at 50°C is at least about 1 wt.%; forming the carbon black mixture to produce a shaped carbon black composite; heating the shaped carbon black composite at a temperature of from 300°C to 800°C to carbonize the binder to a water insoluble state and to produce a shaped porous carbon product; and depositing a catalytically active component or precursor thereof comprising a noble metal on the shaped porous carbon product to produce the catalyst composition. mixing water, carbon black, and a water soluble organic binder, in the absence of an organic solvent, to form a carbon black mixture, wherein the binder comprises: (i) a saccharide selected from the group consisting of a monosaccharide, a disaccharide, an oligosaccharide, and any combination thereof and (ii) a polymeric carbohydrate, wherein the water content of the carbon black mixture is from 5 wt.% to 70 wt.%, the carbon black content of the carbon black mixture is at least 35 wt.% on a dry weight basis, and the binder content of the carbon black mixture is at least 10 wt.% on a dry weight basis, and wherein a binder is deemed water soluble if the solubility at 50°C is at least about 1 wt.%; forming the carbon black mixture to produce a shaped carbon black composite; heating the shaped carbon black composite at a temperature of from 300°C to 800°C to carbonize the binder to a water insoluble state and to produce a shaped porous carbon product; and depositing a catalytically active component or precursor thereof comprising a noble metal on the shaped porous carbon product to produce the catalyst composition.