mhurhangee/ep-ind-claims huggingface dataset:
A system for changing the radiation pattern shape of an antenna array (83; 88) in up-link during electrical tilting, said antenna array (83; 88) having multiple antenna elements, said system comprising a non-linear phase shifting device (20; 40; 85), comprising a phase-shifting device provided with at least three secondary ports (12 1 -12 4; 12) as input ports configured to receive phase shifted input signals from each antenna element, and a primary port as output port configured to output the combined input signals as a receive signal, a phase-taper device configured to change phase taper over the secondary ports, and thus the beam shape, with tilt angle ( θ tilt), characterized in that said non-linear phase-shifting device further comprises: a fixed board (25,45) provided with said primary port as output port and said at least three secondary ports (12 1 -12 4; 12) as input ports, a delay line network with trombone lines (24, 44) interconnecting the primary port as output port and the at least three secondary ports (12 1 -12 4; 12) as input ports, and said trombone lines (24;44) comprise delay lines arranged on said fixed board and delay lines arranged on a delay board 23;43), said delay lines being connected and cooperating to form said trombone lines (24;44); said delay board (23; 43) comprising delay lines connected to said primary port as output port, and is configured to be moveable in relation to the fixed board (25; 45) to change trombone line lengths of said delay line network, whereby said non-linear phase-shifting device (20; 40; 85) is configured to generate non-linear progressive phase shifts over the at least three secondary ports (12 1 -12 4; 12) when changing tilt angle ( θ tilt), wherein the non-linear phase-shifting device is configured to change trombone line lengths by rotation of the delay board relative to the fixed board to produce said non-linear progressive phase shifts, said trombone lines are arranged in a non-periodic fashion on the delay board. a fixed board (25,45) provided with said primary port as output port and said at least three secondary ports (12 1 -12 4; 12) as input ports, a delay line network with trombone lines (24, 44) interconnecting the primary port as output port and the at least three secondary ports (12 1 -12 4; 12) as input ports, and said trombone lines (24;44) comprise delay lines arranged on said fixed board and delay lines arranged on a delay board 23;43), said delay lines being connected and cooperating to form said trombone lines (24;44);
A portable personal listening audio device comprising: an earpiece speaker having an input to receive an audio signal; a reference microphone to pick up background acoustic noise outside of the device; an error microphone to pick up sound emitted from the earpiece speaker; and active noise cancellation ANC circuitry having a pre-shaping digital filter whose input is coupled to the reference microphone and whose output is in series with, and in front of, an adaptive digital filter, the adaptive digital filter is adapted to be adjusted by an adaptive filter controller based on input from a) the audio signal, b) the reference microphone and c) the error microphone, to provide an anti-noise signal to an input of the earpiece speaker to control the background acoustic noise that is heard by a user of the device, and wherein the pre-shaping digital filter is configured to be minimum phase and to present between at least 2 dB but no more than 15 dB more gain over a low audio frequency band than over a high audio frequency band. an earpiece speaker having an input to receive an audio signal; a reference microphone to pick up background acoustic noise outside of the device; an error microphone to pick up sound emitted from the earpiece speaker; and active noise cancellation ANC circuitry having a pre-shaping digital filter whose input is coupled to the reference microphone and whose output is in series with, and in front of, an adaptive digital filter, the adaptive digital filter is adapted to be adjusted by an adaptive filter controller based on input from a) the audio signal, b) the reference microphone and c) the error microphone, to provide an anti-noise signal to an input of the earpiece speaker to control the background acoustic noise that is heard by a user of the device, and wherein the pre-shaping digital filter is configured to be minimum phase and to present between at least 2 dB but no more than 15 dB more gain over a low audio frequency band than over a high audio frequency band.
A turbine blade, comprising: a blade tip having a suction side and a pressure side, the blade tip extending from a leading edge portion of a blade to a trailing edge portion of the blade; and a shelf established in the pressure side of the blade tip, characterized in that: said blade further comprises a groove established in the blade tip configured to communicate fluid from the shelf to the trailing edge portion of the blade. a blade tip having a suction side and a pressure side, the blade tip extending from a leading edge portion of a blade to a trailing edge portion of the blade; and a shelf established in the pressure side of the blade tip, characterized in that: said blade further comprises a groove established in the blade tip configured to communicate fluid from the shelf to the trailing edge portion of the blade. said blade further comprises a groove established in the blade tip configured to communicate fluid from the shelf to the trailing edge portion of the blade.
A compact anechoic chamber system for over-the-air antenna (204, 408) testing, comprising: a chamber housing; at least two interchangeable irradiating test panel arrays (402, 702) for providing irradiating signals for the testing, interchangeably integral to the chamber (400, 700); a plurality of absorbing material at least substantially lining an interior of the chamber (400, 700) and capable of directing the irradiating test signals; at least one RF signal switch; a multi-channel signal generation system of a testing equipment outside the chamber housing; a multi-channel signal analysis system of the testing equipment; at least one panel interface for interconnecting: the at least two interchangeable irradiating test panel arrays antenna (402, 702) with the multi-channel signal generation system of testing equipment outside the chamber housing through the at least one RF signal switch to provide the irradiating test signals; and the antenna (204, 408) with the multi-channel signal analysis system of the testing equipment through the at least one RF signal switch, wherein the multi-channel signal analysis system is synchronized with the multi-channel signal generation system, to enable an assessment of a response of the antenna (204, 408) to the irradiating test signals; and a feedback loop in communication with both the multi-channel signal generation system and the multi-channel signal analysis system and capable of controlling the synchronization. a chamber housing; at least two interchangeable irradiating test panel arrays (402, 702) for providing irradiating signals for the testing, interchangeably integral to the chamber (400, 700); a plurality of absorbing material at least substantially lining an interior of the chamber (400, 700) and capable of directing the irradiating test signals; at least one RF signal switch; a multi-channel signal generation system of a testing equipment outside the chamber housing; a multi-channel signal analysis system of the testing equipment; at least one panel interface for interconnecting: the at least two interchangeable irradiating test panel arrays antenna (402, 702) with the multi-channel signal generation system of testing equipment outside the chamber housing through the at least one RF signal switch to provide the irradiating test signals; and the antenna (204, 408) with the multi-channel signal analysis system of the testing equipment through the at least one RF signal switch, wherein the multi-channel signal analysis system is synchronized with the multi-channel signal generation system, to enable an assessment of a response of the antenna (204, 408) to the irradiating test signals; and a feedback loop in communication with both the multi-channel signal generation system and the multi-channel signal analysis system and capable of controlling the synchronization.
A base station (10, 100, 950) for wireless communication in a wireless local area network, said the base station comprising a communication unit (130, 951), 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 (130, 951), 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.
A battery comprising a plurality of electrochemical cells connected in series or parallel; each electrochemical cell having a length and comprises a series of primary laminates each including a negative electrode, a positive electrode, an electrolyte interposed between the negative and positive electrodes, a positive current collector extending from one side of the primary laminates and a negative current collector extending from an opposite side of the primary laminates; each electrochemical cell having a positive current collecting terminal connecting the positive current collectors together and a negative current collecting terminal connecting the negative current collectors together; the positive and negative current collecting terminals (22, 23) extending the entire length of the electrochemical cell, each positive and negative current collecting terminals (22, 23) having a folded extension arm (26, 36) for electrically connecting two adjacent electrochemical cells together, characterized in that: at least one of the current collecting terminal (22 or 23) having a layer of Positive Temperature Coefficient material (40, 70, 74) for opening and closing the electrical connection between two adjacent electrochemical cells at a predetermined temperature.
A rubber composition for tire tread, comprising: a diene-based rubber component comprising a styrene-butadiene rubber and an isoprene-based rubber, a filler comprising carbon black, an aromatic ring-containing resin, and a polyhydric alcohol. a diene-based rubber component comprising a styrene-butadiene rubber and an isoprene-based rubber, a filler comprising carbon black, an aromatic ring-containing resin, and a polyhydric alcohol.
A bone plate adapted to use in surgical bone operations, which is directly fixed to the bone and allows external manipulation, and comprising; at least one main body fixed to one side of the fracture and having at least one hole in which at least one connecting element is inserted for purposes of this fixation procedure, wherein the main body comprises at least two pairs of contact surfaces in the form of two mutual extensions, which are positioned on the bone contacting side of the main body and form a conduit structure inside the main body; at least one movable part which is associated with the main body and slide inside the conduit structure formed inside the main body without contacting to the bone, is fixed to the other side of the fracture and having at least one other hole in which at least one connecting element is inserted for purposes of this fixation procedure; and at least one displacement mechanism enabling the movable part to slide inside the main body, characterized in that the displacement mechanism is positioned on the center of the main body and that the bone plate comprises: - at least one locking element which restricts sliding of the movable part inside the main body by stopping operation of the displacement mechanism, and - at least one displacement element associated with the displacement mechanism for controlling thereof externally wherein the main body comprises at least one seat positioned on the center thereof, and in which the displacement element is inserted. - at least one locking element which restricts sliding of the movable part inside the main body by stopping operation of the displacement mechanism, and - at least one displacement element associated with the displacement mechanism for controlling thereof externally
Combination of a test rig and test specimen for performing a fatigue test of said test specimen, wherein the test specimen is non-axisymmetric and comprises: - a central element, said central element having a longitudinal axis, - a first branch element, said first branch element having a longitudinal axis that extends at an angle to the longitudinal axis of the central element, - a joint connecting the first branch element to the central element, wherein the non-axisymmetric test specimen has a plurality of resonance frequencies with associated mode shapes, which plurality of resonance frequencies comprises an in plane bending resonance frequency with an associated in plane bending mode shape, and an out of plane bending resonance frequency with an associated out of plane bending mode shape, wherein the in plane bending resonance frequency and the out of plane bending frequency are substantially the same, and wherein the in plane bending mode shape comprises a first node, which first node is located at the first branch element, and wherein the out of plane bending mode shape comprises a first node, which first node is located at the first branch element, wherein the first node of the in plane bending mode shape and the first node of the out of plane bending mode shape are substantially at the same position at the first branch element, and wherein the test rig comprises: - a first support for supporting the test specimen, which first support supports the test specimen at or adjacent to the node of the in plane bending mode shape and the out of plane bending mode shape, - an excitator for subjecting the test specimen to forced vibration at an excitation frequency. - a central element, said central element having a longitudinal axis, - a first branch element, said first branch element having a longitudinal axis that extends at an angle to the longitudinal axis of the central element, - a joint connecting the first branch element to the central element, - a first support for supporting the test specimen, which first support supports the test specimen at or adjacent to the node of the in plane bending mode shape and the out of plane bending mode shape, - an excitator for subjecting the test specimen to forced vibration at an excitation frequency.
An amine derivative, wherein the amine derivative is represented by Formula I, wherein both of Ar 1 and Ar 2 are selected from a group as shown in Formula II, L 1 is selected from the group consisting of a substituted or unsubstituted C6-C18 arylene group, a substituted or unsubstituted C3-C18 heteroarylene group; a is selected from an integer of 0 to 4, and R 1 is selected from the group consisting of a substituted or unsubstituted C1-C15 alkyl group, a substituted or unsubstituted C6-C18 aryl group, and when a is greater than 1, each R 1 is the same or different, X is selected from O, S or N (R x), and R x is selected from the group consisting of a substituted or unsubstituted C1-C15 alkyl group, a substituted or unsubstituted C6-C18 aryl group; Ar 3 and Ar 4 are independently selected from the group consisting of a substituted or unsubstituted C6-C30 aryl group, and a substituted or unsubstituted C3-C30 heteroaryl group; L is selected from the group consisting of one of the groups as shown below, R is selected from the group consisting of hydrogen, a substituted or unsubstituted C1-C15 alkyl group, a substituted or unsubstituted C6-C18 aryl group, and a substituted or unsubstituted C3-C18 heteroaryl group; L 11 and L 12 are independently selected from the group consisting of a single bond, a substituted or unsubstituted C6-C18 arylene group, and a substituted or unsubstituted C3-C18 heteroarylene group. wherein both of Ar 1 and Ar 2 are selected from a group as shown in Formula II, L 1 is selected from the group consisting of a substituted or unsubstituted C6-C18 arylene group, a substituted or unsubstituted C3-C18 heteroarylene group; a is selected from an integer of 0 to 4, and R 1 is selected from the group consisting of a substituted or unsubstituted C1-C15 alkyl group, a substituted or unsubstituted C6-C18 aryl group, and when a is greater than 1, each R 1 is the same or different, X is selected from O, S or N (R x), and R x is selected from the group consisting of a substituted or unsubstituted C1-C15 alkyl group, a substituted or unsubstituted C6-C18 aryl group; Ar 3 and Ar 4 are independently selected from the group consisting of a substituted or unsubstituted C6-C30 aryl group, and a substituted or unsubstituted C3-C30 heteroaryl group; L is selected from the group consisting of one of the groups as shown below, R is selected from the group consisting of hydrogen, a substituted or unsubstituted C1-C15 alkyl group, a substituted or unsubstituted C6-C18 aryl group, and a substituted or unsubstituted C3-C18 heteroaryl group; L 11 and L 12 are independently selected from the group consisting of a single bond, a substituted or unsubstituted C6-C18 arylene group, and a substituted or unsubstituted C3-C18 heteroarylene group.
A cartridge for insertion into an analyzer device, the cartridge comprising: a detergent for lysing cells in a body fluid; particles with first specific binding molecules; a substrate with second specific binding molecules; a first cavity and a second cavity; wherein the detergent is arranged in the first cavity; wherein the particles are arranged in the second cavity. wherein the first cavity and the second cavity are connected by a channel; wherein the substrate is arranged in the second cavity, the cartridge further comprising: a valve in the channel; wherein the valve is adapted to open after a specific time after the body fluid has entered the first cavity. a detergent for lysing cells in a body fluid; particles with first specific binding molecules; a substrate with second specific binding molecules; a first cavity and a second cavity; wherein the detergent is arranged in the first cavity; wherein the particles are arranged in the second cavity. wherein the first cavity and the second cavity are connected by a channel; wherein the substrate is arranged in the second cavity, a valve in the channel; wherein the valve is adapted to open after a specific time after the body fluid has entered the first cavity.
A method for processing fibre bundles, wherein fibre bundle sections are cut off from a fibre bundle, wherein fibre bundles are supplied by means of a feeding device, wherein a fibre bundle is gripped in its upper region, preferably at its upper end by an upper gripper, and wherein the fibre bundle is gripped in its lower region by a lower gripper, wherein then the fibre bundle is gripped below the lower gripper by a feed gripper and wherein thereupon or at the same time, the lower gripper is opened or brought out of engagement with the fibre bundle, wherein following this the fibre bundle with the upper gripper connected thereto and the feed gripper connected thereto is advanced or advanced downwards by a stroke which preferably corresponds to the length or substantially the length of a fibre bundle section to be separated from the fibre bundle, wherein thereupon a fibre bundle section is separated from the fibre bundle by means of a cutting device, preferably is gripped by a bundle gripper and preferably is transferred into a transport and/or storage container, wherein the lower gripper is then closed again or again brought in engagement with the fibre bundle and the feed gripper is opened or brought out of engagement with the fibre bundle and the feed gripper is moved back again or moved back upwards again, preferably is moved back or moved back upwards according to the preceding advance movement and wherein following this, the lower gripper is opened again and the feed gripper is closed again and the fibre bundle with upper gripper connected thereto and feed gripper connected thereto is again advanced by a stroke and so on.
A method for producing a metal powder for dust core comprising: heating a pure iron powder of a diameter of 10 to 500 μm and a purity of 99% by mass or more to a temperature in the range of 600 to 1400°C; and forming a Si-concentrated layer having a thickness of 5 μm or less from the surfaces of the powder particles by gas-phase reaction at a temperature of that range, characterized in that the average Si concentration in the regions within a depth of 5 μm from the surfaces is controlled to 0.05% or more and 2% or less by mass.
Flexible neck for a welding device, comprising a connecting device and a head element, the connecting device comprising a first connecting element and a second connecting element, which interact by means of an adjusting device, characterized in that the first connecting element and the second connecting element can be rotated and pivoted in relation to one another.