mhurhangee/patent-ind-claim-en huggingface dataset:
A method performed by a network node for controlling downlink transmission via a plurality of antennas to a wireless communication device in a wireless communication system , comprising: - receiving uplink reference symbols transmitted by the wireless communication device at a sounding time, to, - estimating a channel response, h, based on the received reference symbols, - determining a plurality of uncertainty regions of the channel response, h, at a corresponding plurality of time delays, Δ t , subsequent to the sounding time, to, for transmissions on downlinks corresponding to the uplink in which the reference symbols are received, the uncertainty regions being based on an estimated velocity ( v 103 ) of the wireless communication device and based on assumed phase-only changes of the channel response, h, wherein the plurality of antennas are mapped on a plurality of transmit ports and wherein: - the estimation of the uncertainty regions of the channel response, h, and the calculation of precoding weights, W, comprise an assumption of statistically independent phase-only uncertainty per transmit port, - calculating precoding weights, W, for the downlink transmissions using the estimated uncertainty regions of the channel responses, and - transmitting downlink signals to the wireless communication device, said transmitting comprising precoding using the calculated precoding weights, W. - receiving uplink reference symbols transmitted by the wireless communication device at a sounding time, to, - estimating a channel response, h, based on the received reference symbols, - determining a plurality of uncertainty regions of the channel response, h, at a corresponding plurality of time delays, Δ t , subsequent to the sounding time, to, for transmissions on downlinks corresponding to the uplink in which the reference symbols are received, the uncertainty regions being based on an estimated velocity ( v 103 ) of the wireless communication device and based on assumed phase-only changes of the channel response, h, wherein the plurality of antennas are mapped on a plurality of transmit ports and wherein: - the estimation of the uncertainty regions of the channel response, h, and the calculation of precoding weights, W, comprise an assumption of statistically independent phase-only uncertainty per transmit port, - calculating precoding weights, W, for the downlink transmissions using the estimated uncertainty regions of the channel responses, and - transmitting downlink signals to the wireless communication device, said transmitting comprising precoding using the calculated precoding weights, W. - the estimation of the uncertainty regions of the channel response, h, and the calculation of precoding weights, W, comprise an assumption of statistically independent phase-only uncertainty per transmit port, - calculating precoding weights, W, for the downlink transmissions using the estimated uncertainty regions of the channel responses, and - transmitting downlink signals to the wireless communication device, said transmitting comprising precoding using the calculated precoding weights, W.
A well packer , comprising: a seal element adapted to extend continuously about a tubular , the seal element including a swellable material which swellable material swells in response to contact with an activating agent, characterized by multiple longitudinally extending cement flow channels formed in the swellable material on an exterior of the seal element .
A discharge nozzle for discharging grit (G) or lubricant (O) into the gap between a rail (S) and a track wheel (R) of a rail vehicle (Z), with said discharge nozzle comprising a base body with at least one connection for being connected to a conveyor line (F) for the grit (G) or lubricant (O) and an outlet that is connected to the connection via a channel , characterized in that the outer contour of the base body is in the longitudinal direction (X) shaped in a convex manner at least in the rear region lying opposite of the outlet such that the air (L) flowing around the base body is accelerated in the direction of the outlet .
A film wherein at least one surface has a number of coarse projections of at least 4000 nm per standard area SPc , determined as described herein, of at least 15/mm 2 characterized in that the film has a layer containing inorganic particles (layer P1), and a ratio Va/Vf1 is up to 1, wherein Va is the porosity (% by volume) of the layer P1 and Vf1 is the inorganic particle content (% by volume) of the layer P1, inorganic particle content Vf1 and porosity Va being determined as described herein. characterized in that the film has a layer containing inorganic particles (layer P1), and a ratio Va/Vf1 is up to 1, wherein Va is the porosity (% by volume) of the layer P1 and Vf1 is the inorganic particle content (% by volume) of the layer P1, inorganic particle content Vf1 and porosity Va being determined as described herein.
A guidewire sensing device , comprising: a guidewire having an elongate body; a guidewire connector positioned at a proximal end of the body; an aortic sensor module configured to be positioned in line with an aortic fluid lumen; a processing unit located remotely from the guidewire, wherein: the processing unit is configured to be in wireless communication with the guidewire connector and further configured to be in wireless communication with the aortic sensor module separately from the guidewire connector, the processing unit is configured to transmit timing information between the guidewire connector and the aortic sensor module such that a sampling time of the guidewire connector and aortic sensor module are synchronized with one another, and the processing unit is configured to synchronize the sampling time of the guidewire connector and aortic sensor module by recording an initial local time of the processing unit and then obtaining a current time from the guidewire connector and aortic sensor module and repeating the recording of the initial local time and the obtaining of the current time for a plurality of times while introducing a random delay time during the repeating to determine a time bias relative to a local time of the processing unit. a guidewire having an elongate body; a guidewire connector positioned at a proximal end of the body; an aortic sensor module configured to be positioned in line with an aortic fluid lumen; a processing unit located remotely from the guidewire, wherein: the processing unit is configured to be in wireless communication with the guidewire connector and further configured to be in wireless communication with the aortic sensor module separately from the guidewire connector, the processing unit is configured to transmit timing information between the guidewire connector and the aortic sensor module such that a sampling time of the guidewire connector and aortic sensor module are synchronized with one another, and the processing unit is configured to synchronize the sampling time of the guidewire connector and aortic sensor module by recording an initial local time of the processing unit and then obtaining a current time from the guidewire connector and aortic sensor module and repeating the recording of the initial local time and the obtaining of the current time for a plurality of times while introducing a random delay time during the repeating to determine a time bias relative to a local time of the processing unit.
A method for producing hydroxypropyl methylcellulose acetate succinate, comprising at least an esterification reaction step of obtaining a hydroxypropyl methylcellulose acetate succinate-containing reaction solution by subjecting hydroxypropyl methylcellulose, an acetylating agent and a succinoylating agent to an esterification reaction under the presence of an aliphatic carboxylic acid and a polyalcohol.
A method for producing a chromium-containing multilayer coating on an object, comprising the steps of: depositing a layer of nickel-phosphorus alloy (NiP) on the object, wherein the thickness of the NiP layer is 0.05-80 μm, and wherein the NiP layers are produced by electrodeposition or electroless deposition; electroplating a chromium layer from a trivalent chromium containing bath on the object, wherein the thickness of the chromium layer deposited on the NiP layer is 0.05-20 um; repeating said steps one or more times in order to produce a multilayer coating containing two or more alternate layers of nickel-phosphorus alloy and chromium; and subjecting the coated object to one or more heat treatments, wherein the temperature in the heat treatments is 200-1000 °C, to amend the mechanical and physical properties of the coating and to produce multiphase layers containing crystalline Ni and crystalline Ni 3 P and multiphase layers containing crystalline Cr, and wherein at least one of the chromium layers is deposited next to a NiP layer and during the heat treatment at least one multiphase layer is produced that contains crystalline CrNi. depositing a layer of nickel-phosphorus alloy (NiP) on the object, wherein the thickness of the NiP layer is 0.05-80 μm, and wherein the NiP layers are produced by electrodeposition or electroless deposition; electroplating a chromium layer from a trivalent chromium containing bath on the object, wherein the thickness of the chromium layer deposited on the NiP layer is 0.05-20 um; repeating said steps one or more times in order to produce a multilayer coating containing two or more alternate layers of nickel-phosphorus alloy and chromium; and subjecting the coated object to one or more heat treatments, wherein the temperature in the heat treatments is 200-1000 °C, to amend the mechanical and physical properties of the coating and to produce multiphase layers containing crystalline Ni and crystalline Ni 3 P and multiphase layers containing crystalline Cr, and wherein at least one of the chromium layers is deposited next to a NiP layer and during the heat treatment at least one multiphase layer is produced that contains crystalline CrNi.
A method for direct reprogramming of somatic cells derived from human urine into neural stem cells, the method comprising: (a) isolating somatic cells from human urine and culturing the somatic cells; (b) introducing a composition comprising: (i) an Oct4 protein or a nucleic acid encoding the Oct4 protein; (ii) a Sox2 protein or a nucleic acid encoding the Sox2 protein; (iii) a Klf4 protein or a nucleic acid encoding the Klf4 protein; and (iv) a Glis1 protein or a nucleic acid encoding the Glis1 protein into the cultured somatic cells; (c) inducing direct reprogramming into neural stem cells by culturing somatic cells into which said composition has been introduced in a neural stem cell-inducing medium, wherein the neural stem cell-inducing medium is obtained by mixing a DMEM/F12 medium and a neurobasal medium at a volume of 1:1 and adding 1xN2, 1xB27, human LIF, a TGF-beta inhibitor, and a GSK3-beta inhibitor to the medium mixture; and (d) selecting a neural stem cell line having characteristics similar to neural stem cell from the cells in which direct reprogramming has been induced by the neural stem cell-inducing medium. (a) isolating somatic cells from human urine and culturing the somatic cells; (b) introducing a composition comprising: (i) an Oct4 protein or a nucleic acid encoding the Oct4 protein; (ii) a Sox2 protein or a nucleic acid encoding the Sox2 protein; (iii) a Klf4 protein or a nucleic acid encoding the Klf4 protein; and (iv) a Glis1 protein or a nucleic acid encoding the Glis1 protein into the cultured somatic cells; (i) an Oct4 protein or a nucleic acid encoding the Oct4 protein; (ii) a Sox2 protein or a nucleic acid encoding the Sox2 protein; (iii) a Klf4 protein or a nucleic acid encoding the Klf4 protein; and (iv) a Glis1 protein or a nucleic acid encoding the Glis1 protein into the cultured somatic cells; (c) inducing direct reprogramming into neural stem cells by culturing somatic cells into which said composition has been introduced in a neural stem cell-inducing medium, wherein the neural stem cell-inducing medium is obtained by mixing a DMEM/F12 medium and a neurobasal medium at a volume of 1:1 and adding 1xN2, 1xB27, human LIF, a TGF-beta inhibitor, and a GSK3-beta inhibitor to the medium mixture; and (d) selecting a neural stem cell line having characteristics similar to neural stem cell from the cells in which direct reprogramming has been induced by the neural stem cell-inducing medium.
A waveguide display comprising an optical lens and an image generation device , the optical lens consisting of: a first lens element , a second lens element , a third lens element , a fourth lens element , and a fifth lens element sequentially arranged from a light incident side (IS) to a light exit side (ES), wherein: - refracting powers of the first lens element to the fourth lens element sequentially are positive, negative, positive, and positive, and the fifth lens element has refracting power, - a material of the first lens element , the second lens element , and third lens element , and the fifth lens element is a plastic material, and a material of the fourth lens element is glass, and - the first lens element and the fifth lens element are concave-convex lens elements and have a convex surface facing the light incident side (IS); and wherein the image generation device is disposed at the light incident side (IS), the optical lens is configured to receive an image beam (IM) provided by the image generation device , such that the image beam (IM) forms a stop (ST) at the light exit side (ES) after passing through the optical lens , the stop (ST) having a minimum cross-sectional area of beam shrinkage of the image beam (IM). wherein: - refracting powers of the first lens element to the fourth lens element sequentially are positive, negative, positive, and positive, and the fifth lens element has refracting power, - a material of the first lens element , the second lens element , and third lens element , and the fifth lens element is a plastic material, and a material of the fourth lens element is glass, and - the first lens element and the fifth lens element are concave-convex lens elements and have a convex surface facing the light incident side (IS); and - refracting powers of the first lens element to the fourth lens element sequentially are positive, negative, positive, and positive, and the fifth lens element has refracting power, - a material of the first lens element , the second lens element , and third lens element , and the fifth lens element is a plastic material, and a material of the fourth lens element is glass, and - the first lens element and the fifth lens element are concave-convex lens elements and have a convex surface facing the light incident side (IS); and wherein the image generation device is disposed at the light incident side (IS), the optical lens is configured to receive an image beam (IM) provided by the image generation device , such that the image beam (IM) forms a stop (ST) at the light exit side (ES) after passing through the optical lens , the stop (ST) having a minimum cross-sectional area of beam shrinkage of the image beam (IM).
A base station for wireless communication in a wireless local area network, said the base station comprising a communication unit , a plurality of antennas configured to constitute MIMO antenna, an LED lamp configured to display operation status of the base station, a button or switch configured to accept an operation from a user, and a wired communication interface configured to connect the base station to a wired communication network, wherein the communication unit is configured to: transmit a trigger frame, to a plurality of stations, including wireless communication resource information specifying uplink resources and frame attribute information related to transmission of response uplink frames; wherein the wireless communication resource information includes information related to a frequency resource, time and spatial streams; receive the response uplink frames transmitted as responses to the trigger frame, one of the response uplink frames including buffered data information; and the response uplink frame being transmitted using at least one resource unit selected from a group of resource units specified in the wireless communication resource information; transmit an uplink transmission permission frame including resource allocation information indicating allocated uplink transmission resources in response to the uplink resource frames including the buffered data information; and receive data frames being transmitted using the allocated uplink data transmission resources in accordance with the uplink transmission permission frame. a communication unit , a plurality of antennas configured to constitute MIMO antenna, an LED lamp configured to display operation status of the base station, a button or switch configured to accept an operation from a user, and a wired communication interface configured to connect the base station to a wired communication network, transmit a trigger frame, to a plurality of stations, including wireless communication resource information specifying uplink resources and frame attribute information related to transmission of response uplink frames; wherein the wireless communication resource information includes information related to a frequency resource, time and spatial streams; receive the response uplink frames transmitted as responses to the trigger frame, one of the response uplink frames including buffered data information; and the response uplink frame being transmitted using at least one resource unit selected from a group of resource units specified in the wireless communication resource information; transmit an uplink transmission permission frame including resource allocation information indicating allocated uplink transmission resources in response to the uplink resource frames including the buffered data information; and receive data frames being transmitted using the allocated uplink data transmission resources in accordance with the uplink transmission permission frame.
Horizontally opening roller door comprising at least one panel in the form of a windable closure material , in particular a film, a fabric or a roller shutter curtain, wherein the panel is movable between an open position as a first end position, in which it substantially exposes a wall opening, and a closed position as a second end position, in which it substantially closes the wall opening, characterized in that a wear-free floor seal is provided by enabling a portion of the roller door that creates the floor seal, namely a lower edge of the panel or a seal attached to the lower edge of the panel, to be brought into contact with a floor or with a sealing counterpart located in the floor only at the end of a closing process, and in that at the start of an opening process this portion of the roller door can be moved away from the floor again or this portion of the roller door and the sealing counterpart can be moved away from each other again.
A delivery catheter for cardiac repair components comprising: a first channel extending from a proximal end to a distal end of the delivery catheter, the first channel configured for axial translation of a first component to a treatment site; and a second channel, extending from the proximal end of the delivery catheter to the distal end of the delivery catheter, the second channel configured for axial translation of a second component to the treatment site; wherein the first component is coupled to the second component, and the first component is configured for axial translation through the first channel in coordination with axial translation of the second component through the second channel for concurrent deployment of the first component and second component from the delivery catheter; an axially translatable opening between the first channel and the second channel, characterized by a guide catheter disposed within the delivery catheter ; the first channel disposed between the guide catheter and the delivery catheter ; and an anchor catheter disposed within the guide catheter , the anchor catheter comprising a slit extending through the anchor catheter from a distal end of the anchor catheter to a proximal end of the anchor catheter, the anchor catheter providing the second channel; wherein the guide catheter comprises a window extending therethrough, the window slidably disposed over the slit of the anchor catheter , wherein the window of the guide catheter and slit of the anchor catheter cooperate to provide the axially translatable opening between the first channel and the second channel. a first channel extending from a proximal end to a distal end of the delivery catheter, the first channel configured for axial translation of a first component to a treatment site; and a second channel, extending from the proximal end of the delivery catheter to the distal end of the delivery catheter, the second channel configured for axial translation of a second component to the treatment site; wherein the first component is coupled to the second component, and the first component is configured for axial translation through the first channel in coordination with axial translation of the second component through the second channel for concurrent deployment of the first component and second component from the delivery catheter; an axially translatable opening between the first channel and the second channel, characterized by a guide catheter disposed within the delivery catheter ; the first channel disposed between the guide catheter and the delivery catheter ; and an anchor catheter disposed within the guide catheter , the anchor catheter comprising a slit extending through the anchor catheter from a distal end of the anchor catheter to a proximal end of the anchor catheter, the anchor catheter providing the second channel; wherein the guide catheter comprises a window extending therethrough, the window slidably disposed over the slit of the anchor catheter , wherein the window of the guide catheter and slit of the anchor catheter cooperate to provide the axially translatable opening between the first channel and the second channel.