mhurhangee/ep-ind-claims huggingface dataset:
A data processing system configured to: receive, from a first device and in connection with a communication session, an indication of a bandwidth limitation on transferring data associated with the communication session, the first device being configured to generate a plurality of data streams associated with the communication session and to transmit the plurality of data streams to a second device; dynamically determine one or more operating parameters of the first device to reduce the amount of bandwidth required to transmit the plurality of data streams by eliminating one or more data streams, reducing an amount of bandwidth required by one or more data streams, or both, based on bandwidth reduction criteria determined by the first device, the second device, or both; and direct the first device to transmit the plurality of data streams to the second device according to the one or more operating parameters, characterised in that the system is further configured to: identify a first subset of one or more data streams of the plurality of data streams that can be generated at the second device based on a second subset of one or more other data streams of the plurality of data streams; and determine that transmission of the first subset of the one or more data streams to the second device should be stopped. receive, from a first device and in connection with a communication session, an indication of a bandwidth limitation on transferring data associated with the communication session, the first device being configured to generate a plurality of data streams associated with the communication session and to transmit the plurality of data streams to a second device; dynamically determine one or more operating parameters of the first device to reduce the amount of bandwidth required to transmit the plurality of data streams by eliminating one or more data streams, reducing an amount of bandwidth required by one or more data streams, or both, based on bandwidth reduction criteria determined by the first device, the second device, or both; and direct the first device to transmit the plurality of data streams to the second device according to the one or more operating parameters, identify a first subset of one or more data streams of the plurality of data streams that can be generated at the second device based on a second subset of one or more other data streams of the plurality of data streams; and determine that transmission of the first subset of the one or more data streams to the second device should be stopped.
Method for simultaneous compensation of several signal errors occurring in an IQ modulator with correction signals Gain_I, Gain_Q, Offset_I, Offset_Q and Quadrature respectively inverse to them, in that the optimised signal value of each correction signal Gain_I, Gain_Q, Offset_I, Offset_Q and Quadrature is determined iteratively by determining the signal error and subsequent minimisation of the signal error using the equation U DET = |V * ((I * Gain_I + Offset_I)*e- jQuadrature + j (Q * Gain_Q + Offset_Q)) | 2 + O DET, wherein V represents the gain factor of a high-frequency detector and O DET represents the offset error thereof, and wherein seven different signal levels of the in-phase modulation signal I and of the quadrature-phase modulation signal Q and the resulting signal U DET are impressed seven times.
A surface-coated cutting tool comprising: a hard coating layer which is vapor-deposited on a surface of a tool body made of a sintered tungsten carbide-based cemented carbide, wherein (a) a composition of the hard coating layer is expressed by a composition formula of (Al x Ti 1-x)N (0.5≤x≤0.8), and an average layer thickness of the hard coating layer is 0.5 μm to 7.0 μm, (b) the hard coating layer is formed of fine crystal grains having an average grain size of 5 nm to 50 nm, (c) the fine crystal grains have a mixed structure including both cubic crystal grains having a rock-salt structure, and hexagonal crystal grains having a wurtzite structure, and (d) planes of the cubic crystal grains and planes of the hexagonal crystal grains are oriented so as to be perpendicular to the surface of the tool body. a hard coating layer which is vapor-deposited on a surface of a tool body made of a sintered tungsten carbide-based cemented carbide, wherein (a) a composition of the hard coating layer is expressed by a composition formula of (Al x Ti 1-x)N (0.5≤x≤0.8), and an average layer thickness of the hard coating layer is 0.5 μm to 7.0 μm, (b) the hard coating layer is formed of fine crystal grains having an average grain size of 5 nm to 50 nm, (c) the fine crystal grains have a mixed structure including both cubic crystal grains having a rock-salt structure, and hexagonal crystal grains having a wurtzite structure, and (d) planes of the cubic crystal grains and planes of the hexagonal crystal grains are oriented so as to be perpendicular to the surface of the tool body. (a) a composition of the hard coating layer is expressed by a composition formula of (Al x Ti 1-x)N (0.5≤x≤0.8), and an average layer thickness of the hard coating layer is 0.5 μm to 7.0 μm, (b) the hard coating layer is formed of fine crystal grains having an average grain size of 5 nm to 50 nm, (c) the fine crystal grains have a mixed structure including both cubic crystal grains having a rock-salt structure, and hexagonal crystal grains having a wurtzite structure, and (d) planes of the cubic crystal grains and planes of the hexagonal crystal grains are oriented so as to be perpendicular to the surface of the tool body.
Contact arrangement comprising at least one electrical and/or electronic component, wherein the electrical and/or electronic component has at least one first and one second electrical connection (41, 42) and these each comprise a contact surface (41', 42') for indirectly or directly electrically contact-connecting the electrical and/or electronic component to a circuit, wherein at least one of the contact surfaces (41', 42') is connected to at least one connecting element which connects the at least one electrical and/or electronic component to the circuit, wherein the connecting element comprises at least one wire bond or one ribbon bond, characterized in that at least one of the contact surfaces (41', 42') is formed from silver or a silver alloy, and the respective at least one connecting element or a coating of the respective at least one connecting element is respectively formed from aluminium or an aluminium alloy, so that together a material pairing consisting of silver or a silver alloy with aluminium or an aluminium alloy is formed, and in that, in order to avoid contact corrosion, the at least one contact surface (41', 42') is contact-connected to a first side of the contact plate, while a second side of the contact plate is contact-connected to the respective at least one connecting element, wherein the contact plate is formed from tungsten.
A system comprising: a starter air valve which, when installed on a gas turbine engine, is configured to be in fluid communication with an air turbine starter to drive motoring of the gas turbine engine responsive to a compressed air flow from a compressed air source; a variable-position electromechanical device configured to adjust positioning of the starter air valve; a discrete-position electromechanical device configured to adjust positioning of the starter air valve; and a controller configured to dynamically command the variable-position electromechanical device and to command pulse width modulation of the discrete-position electromechanical device to limit a motoring speed of the gas turbine engine below a resonance speed of the gas turbine engine based on a failure of the variable-position electromechanical device. a starter air valve which, when installed on a gas turbine engine, is configured to be in fluid communication with an air turbine starter to drive motoring of the gas turbine engine responsive to a compressed air flow from a compressed air source; a variable-position electromechanical device configured to adjust positioning of the starter air valve; a discrete-position electromechanical device configured to adjust positioning of the starter air valve; and a controller configured to dynamically command the variable-position electromechanical device and to command pulse width modulation of the discrete-position electromechanical device to limit a motoring speed of the gas turbine engine below a resonance speed of the gas turbine engine based on a failure of the variable-position electromechanical device.
A device for detecting spoofing of Global Navigation Satellite Systems (GNSS) signals comprising: - an RF chain to acquire and down convert a signal comprising one or more GNSS signals transmitted by GNSS sources, each of said GNSS signals comprising a navigation message modulated by a spreading code associated to a related GNSS source, - an analog to digital converter, to digitize the down converted signal, and - a computer logic, to: ∘ calculate over a grid of spreading code phase delays and Doppler shifts, cross-correlation functions between said digitized signal and locally generated replicas of the signal, for one or more of said spreading codes, ∘ identify cross-correlation peaks (501, 502), and ∘ analyze the cross-correlation peaks to detect spoofing situations, comprising monitoring the position of each cross-correlation peak over the grid of spreading code phase delays and Doppler shift for a number of successive signal acquisitions, and only consider cross-correlation peaks that appear in two or more successive signal acquisitions. - an RF chain to acquire and down convert a signal comprising one or more GNSS signals transmitted by GNSS sources, each of said GNSS signals comprising a navigation message modulated by a spreading code associated to a related GNSS source, - an analog to digital converter, to digitize the down converted signal, and - a computer logic, to: ∘ calculate over a grid of spreading code phase delays and Doppler shifts, cross-correlation functions between said digitized signal and locally generated replicas of the signal, for one or more of said spreading codes, ∘ identify cross-correlation peaks (501, 502), and ∘ analyze the cross-correlation peaks to detect spoofing situations, comprising monitoring the position of each cross-correlation peak over the grid of spreading code phase delays and Doppler shift for a number of successive signal acquisitions, and only consider cross-correlation peaks that appear in two or more successive signal acquisitions. ∘ calculate over a grid of spreading code phase delays and Doppler shifts, cross-correlation functions between said digitized signal and locally generated replicas of the signal, for one or more of said spreading codes, ∘ identify cross-correlation peaks (501, 502), and ∘ analyze the cross-correlation peaks to detect spoofing situations, comprising monitoring the position of each cross-correlation peak over the grid of spreading code phase delays and Doppler shift for a number of successive signal acquisitions, and only consider cross-correlation peaks that appear in two or more successive signal acquisitions.
A method for manufacturing a laminated wood-veneer product, in which method - several wood-veneer layers are stacked on top of each other, and - the wood-veneer layers are glued onto each other with the aid of an adhesive resin at an increased pressure in order to form the laminated wood-veneer product, characterized in that - at least some of the wood-veneer layers are impregnated with an impregnation resin before the wood-veneer layers are glued onto each other, wherein an adhesive resin or adhesive mixture is used to glue the veneers; wherein the wood-veneer layers are glued to each other at a high temperature and pressure; and wherein either - the impregnation resin is brought between the wood-veneer layers on top of a carrier, or - the wood veneers are impregnated with a liquid impregnation resin, the undried wood veneers containing the impregnation resin are stacked on top of each other, an essentially dry adhesive resin is brought between the wood veneers, and the wood-veneer layers are glued to each other with the aid of the adhesive resin at an increased temperature and pressure, in order to form a laminated wood-veneer product. - several wood-veneer layers are stacked on top of each other, and - the wood-veneer layers are glued onto each other with the aid of an adhesive resin at an increased pressure in order to form the laminated wood-veneer product, - at least some of the wood-veneer layers are impregnated with an impregnation resin before the wood-veneer layers are glued onto each other, wherein an adhesive resin or adhesive mixture is used to glue the veneers; wherein the wood-veneer layers are glued to each other at a high temperature and pressure; and wherein either wherein an adhesive resin or adhesive mixture is used to glue the veneers; wherein the wood-veneer layers are glued to each other at a high temperature and pressure; and wherein either - the impregnation resin is brought between the wood-veneer layers on top of a carrier, or - the wood veneers are impregnated with a liquid impregnation resin, the undried wood veneers containing the impregnation resin are stacked on top of each other, an essentially dry adhesive resin is brought between the wood veneers, and the wood-veneer layers are glued to each other with the aid of the adhesive resin at an increased temperature and pressure, in order to form a laminated wood-veneer product.
A method for preparing a zirconia composition, comprising: preparing a low addition ratio powder and a high addition ratio powder by dividing a primary powder containing zirconia and a stabilizer(s) suppressing phase transition of zirconia into two powders, and adding a pigment to at least one of them; the low addition ratio powder and the high addition ratio powder differing in pigment content ratios from one another; optionally mixing the low addition ratio powder and the high addition ratio powder to form at least one powder for lamination; and laminating at least two out of the low addition ratio powder, high addition ratio powder and the at least one powder for lamination into the mold; wherein the powder is not pressed in the laminating step; and wherein, in the laminating step, after charging at least two powders into the mold, the mold is vibrated so that the at least two powders in the mold are partially mixed at the boundary of the stacked powders. preparing a low addition ratio powder and a high addition ratio powder by dividing a primary powder containing zirconia and a stabilizer(s) suppressing phase transition of zirconia into two powders, and adding a pigment to at least one of them; the low addition ratio powder and the high addition ratio powder differing in pigment content ratios from one another; optionally mixing the low addition ratio powder and the high addition ratio powder to form at least one powder for lamination; and laminating at least two out of the low addition ratio powder, high addition ratio powder and the at least one powder for lamination into the mold; wherein the powder is not pressed in the laminating step; and wherein, in the laminating step, after charging at least two powders into the mold, the mold is vibrated so that the at least two powders in the mold are partially mixed at the boundary of the stacked powders.
Computer-implemented method for virtual fitting of a pair of spectacles, comprising: approximate virtual positioning of a spectacle frame on a head on the basis of head metadata for a 3D model (30, 31) of the head and frame metadata for a 3D model of the spectacle frame, subsequent fine virtual positioning of the spectacle frame on the basis of the 3D model (30, 31) of the head and the 3D model of the spectacle frame, characterized in that if a horizontal direction corresponding to a connecting line between pupil centres of eyes of the head in a main fixation direction is defined as x-direction when the head is held erect, if a vertical direction when the head is held erect is defined as y-direction and if a direction perpendicular to the x-direction and to the y-direction is defined as z-direction then, during the fine virtual positioning, there is a first displacement of the spectacle frame by a first distance perpendicular to the z-direction and there is a second displacement of the spectacle frame by a second distance along the z-direction, wherein the second distance is no more than 10% of the first distance. approximate virtual positioning of a spectacle frame on a head on the basis of head metadata for a 3D model (30, 31) of the head and frame metadata for a 3D model of the spectacle frame, subsequent fine virtual positioning of the spectacle frame on the basis of the 3D model (30, 31) of the head and the 3D model of the spectacle frame, characterized in that if a horizontal direction corresponding to a connecting line between pupil centres of eyes of the head in a main fixation direction is defined as x-direction when the head is held erect, if a vertical direction when the head is held erect is defined as y-direction and if a direction perpendicular to the x-direction and to the y-direction is defined as z-direction then, during the fine virtual positioning, there is a first displacement of the spectacle frame by a first distance perpendicular to the z-direction and there is a second displacement of the spectacle frame by a second distance along the z-direction, wherein the second distance is no more than 10% of the first distance.
An apparatus, comprising: a mobile station, MS, operable to enable position determination using a single or multi tone location beacon, LB, in a downlink Orthogonal Frequency-Division Multiple Access, OFDMA, frame transmitted by a base station with multiple antennas on a plurality of narrow beams sweeping multiple angles with focused power on at least one tone, wherein each narrow beam uses a different spreading code (520, 530, 540) indicating an angular index for each narrow beam transmission; wherein determining the position of a mobile station estimates an angle of arrival, AoA, represented by arg θ min ∑ i = 1 N r i - 1, cos 2 ⁢ π d cos θ λ, ⋯, cos 2 ⁢ π ⁢ N - 1 ⁢ d cos θ λ ⁢ w i 2 wherein each of the plurality of narrow beams are represented by a different beamforming vector W = [ w 1, w 2,··· w N] for N antennas per sector, d is the antenna spacing, λ is the wavelength, and the received signal at angle θ is r i = 1, cos 2 ⁢ π d cos θ λ, ⋯, cos 2 ⁢ π ⁢ N - 1 ⁢ d cos θ λ ⁢ w i ⁢ 1 w i ⁢ 2 ⋮ w iN + n i. a mobile station, MS, operable to enable position determination using a single or multi tone location beacon, LB, in a downlink Orthogonal Frequency-Division Multiple Access, OFDMA, frame transmitted by a base station with multiple antennas on a plurality of narrow beams sweeping multiple angles with focused power on at least one tone, wherein each narrow beam uses a different spreading code (520, 530, 540) indicating an angular index for each narrow beam transmission; wherein determining the position of a mobile station estimates an angle of arrival, AoA, represented by arg θ min ∑ i = 1 N r i - 1, cos 2 ⁢ π d cos θ λ, ⋯, cos 2 ⁢ π ⁢ N - 1 ⁢ d cos θ λ ⁢ w i 2 wherein each of the plurality of narrow beams are represented by a different beamforming vector W = [ w 1, w 2,··· w N] for N antennas per sector, d is the antenna spacing, λ is the wavelength, and the received signal at angle θ is r i = 1, cos 2 ⁢ π d cos θ λ, ⋯, cos 2 ⁢ π ⁢ N - 1 ⁢ d cos θ λ ⁢ w i ⁢ 1 w i ⁢ 2 ⋮ w iN + n i.
A mobile floor cleaning robot comprising: a robot body (1 10) defining a forward drive direction; a drive system supporting the robot body to maneuver the robot across a surface, the drive system comprising right and left drive wheels (124a, 124b) disposed on corresponding right and left portions of the robot body; and a cleaning assembly disposed on the robot body, the cleaning assembly comprising: a pad holder disposed forward of the drive wheels (124a, 124b) and having a top portion and a bottom portion, the bottom portion having a bottom surface arranged within between about 1/2 cm and about 1 1⁄2 cm of the surface and configured to receive a cleaning pad, the bottom surface of the pad holder comprising at least 40% of a surface area of a footprint of the robot; and characterized by; an orbital oscillator having less than 1 cm of orbital range disposed on the top portion of the pad holder; wherein the pad holder is configured to permit more than 80 percent of the orbital range of the orbital oscillator to be transmitted from the top of the received cleaning pad to the bottom surface of the received cleaning pad. a robot body (1 10) defining a forward drive direction; a drive system supporting the robot body to maneuver the robot across a surface, the drive system comprising right and left drive wheels (124a, 124b) disposed on corresponding right and left portions of the robot body; and a cleaning assembly disposed on the robot body, the cleaning assembly comprising: a pad holder disposed forward of the drive wheels (124a, 124b) and having a top portion and a bottom portion, the bottom portion having a bottom surface arranged within between about 1/2 cm and about 1 1⁄2 cm of the surface and configured to receive a cleaning pad, the bottom surface of the pad holder comprising at least 40% of a surface area of a footprint of the robot; and characterized by; an orbital oscillator having less than 1 cm of orbital range disposed on the top portion of the pad holder; wherein the pad holder is configured to permit more than 80 percent of the orbital range of the orbital oscillator to be transmitted from the top of the received cleaning pad to the bottom surface of the received cleaning pad. a pad holder disposed forward of the drive wheels (124a, 124b) and having a top portion and a bottom portion, the bottom portion having a bottom surface arranged within between about 1/2 cm and about 1 1⁄2 cm of the surface and configured to receive a cleaning pad, the bottom surface of the pad holder comprising at least 40% of a surface area of a footprint of the robot; and characterized by; an orbital oscillator having less than 1 cm of orbital range disposed on the top portion of the pad holder; wherein the pad holder is configured to permit more than 80 percent of the orbital range of the orbital oscillator to be transmitted from the top of the received cleaning pad to the bottom surface of the received cleaning pad.