mhurhangee/patent-ind-claim-en huggingface dataset:
A method for automatic detection of far-field ventricular activity using unipolar and bipolar signals, the method comprising: receiving a bipolar signal sensed by a pair of electrodes at a location in a heart of a patient; receiving a unipolar signal sensed by an electrode at the location in the heart; computing a derivative of the received bipolar signal; computing a derivative of the received unipolar signal; evaluating a ratio between the derivative of the bipolar signal and the derivative of the unipolar signal at local minima of the derivative of the unipolar signal; wherein receiving the bipolar signal comprises receiving multiple bipolar signals from multiple electrode pairs of a multielectrode catheter , and comprising comparing time differences between the multiple bipolar signals, and when the ratio is smaller than a preset threshold ratio value, and when the time differences are smaller than a prespecified value, indicating an occurrence of far-field ventricular activity. receiving a bipolar signal sensed by a pair of electrodes at a location in a heart of a patient; receiving a unipolar signal sensed by an electrode at the location in the heart; computing a derivative of the received bipolar signal; computing a derivative of the received unipolar signal; evaluating a ratio between the derivative of the bipolar signal and the derivative of the unipolar signal at local minima of the derivative of the unipolar signal; wherein receiving the bipolar signal comprises receiving multiple bipolar signals from multiple electrode pairs of a multielectrode catheter , and comprising comparing time differences between the multiple bipolar signals, and when the ratio is smaller than a preset threshold ratio value, and when the time differences are smaller than a prespecified value, indicating an occurrence of far-field ventricular activity.
A flexible male chastity device comprising a ventilated cage housing comprising: a) a shaft portion ; b) a circular or oval base portion configured to encase the shaft and head of the penis wherein the base portion is constructed of resin or hard plastic; and c) a hinged insert or anti-pullout ring comprising two hingedly interconnected arms each with at least one inwardly directed anti-pullout projection , characterised in that at least the innermost end of each of the anti-pullout projections is coated with silastic or some other flexible, inert silicone elastomer such as rubber, in that the innermost ends of each of the anti-pullout projections comprise a triangular or ovoid surface for contacting the penis, in that the hingedly interconnected arms do not fully enclose the penis, and in that the anti-pullout projections extend into a lumen of the base portion . a) a shaft portion ; b) a circular or oval base portion configured to encase the shaft and head of the penis wherein the base portion is constructed of resin or hard plastic; and c) a hinged insert or anti-pullout ring comprising two hingedly interconnected arms each with at least one inwardly directed anti-pullout projection , in that at least the innermost end of each of the anti-pullout projections is coated with silastic or some other flexible, inert silicone elastomer such as rubber, in that the innermost ends of each of the anti-pullout projections comprise a triangular or ovoid surface for contacting the penis, in that the hingedly interconnected arms do not fully enclose the penis, and in that the anti-pullout projections extend into a lumen of the base portion .
An autonomous modular robot comprising: a main body ; a drive system attached to the main body and configured to move the main body ; a lift mechanism ; an attachment retention system configured to couple two or more interchangeable attachments to the main body , wherein each of the interchangeable attachments are configured to perform a task, wherein the attachment retention system is part of the lift mechanism , a control system configured to autonomously control: the drive system ; and the interchangeable attachments upon coupling of the interchangeable attachments to the main body , characterized in that the attachment retention system comprises an elongated, laterally extending support configured to attach to each of the two or more interchangeable attachments , and wherein the elongated, laterally extending support is a rail comprising a channel on an underside of the rail, wherein the channel is sized and shaped to mate with a protrusion on a top of the interchangeable attachments , and wherein the channel traverses substantially an entire length of the rail. a main body ; a drive system attached to the main body and configured to move the main body ; a lift mechanism ; an attachment retention system configured to couple two or more interchangeable attachments to the main body , wherein each of the interchangeable attachments are configured to perform a task, wherein the attachment retention system is part of the lift mechanism , a control system configured to autonomously control: the drive system ; and the interchangeable attachments upon coupling of the interchangeable attachments to the main body , characterized in that the attachment retention system comprises an elongated, laterally extending support configured to attach to each of the two or more interchangeable attachments , and wherein the elongated, laterally extending support is a rail comprising a channel on an underside of the rail, wherein the channel is sized and shaped to mate with a protrusion on a top of the interchangeable attachments , and wherein the channel traverses substantially an entire length of the rail. the drive system ; and the interchangeable attachments upon coupling of the interchangeable attachments to the main body , characterized in that the attachment retention system comprises an elongated, laterally extending support configured to attach to each of the two or more interchangeable attachments , and wherein the elongated, laterally extending support is a rail comprising a channel on an underside of the rail, wherein the channel is sized and shaped to mate with a protrusion on a top of the interchangeable attachments , and wherein the channel traverses substantially an entire length of the rail.
A welding system comprising: - a welding-related device coupled to a power supply via power cables , wherein the welding-related device receives power from the power supply via the power cables , and the welding-related device comprises sensing circuitry configured to determine a parameter indicative of a delay between when the power is output from the power supply and when the power is received by the welding-related device through the power cables , wherein the welding-related device comprises a welding wire feeder , a plasma cutter, an induction heater, a power generator or a welding power source, characterized in that the sensing circuitry is configured: - to determine the parameter indicative of the delay based at least in part on a delay in a voltage of the received power changing to a threshold voltage after a change in a current of the received power; or - to determine the parameter indicative of the delay based at least in part on a ramp rate of a current of the received power; or - to determine the parameter indicative of the delay based at least in part on a comparison of a voltage of the received power to a current of the received power after a change in the current; or - to determine the parameter indicative of the delay based at least in part on a delay in a current of the received power changing to a demand current, and wherein the sensing circuitry is configured to determine inductance of the power cables as the parameter indicative of the delay based at least in part on said monitored values. - a welding-related device coupled to a power supply via power cables , wherein the welding-related device receives power from the power supply via the power cables , and the welding-related device comprises sensing circuitry configured to determine a parameter indicative of a delay between when the power is output from the power supply and when the power is received by the welding-related device through the power cables , - to determine the parameter indicative of the delay based at least in part on a delay in a voltage of the received power changing to a threshold voltage after a change in a current of the received power; or - to determine the parameter indicative of the delay based at least in part on a ramp rate of a current of the received power; or - to determine the parameter indicative of the delay based at least in part on a comparison of a voltage of the received power to a current of the received power after a change in the current; or - to determine the parameter indicative of the delay based at least in part on a delay in a current of the received power changing to a demand current,
A refrigeration apparatus , comprising: a refrigeration circuit which includes a first refrigeration circuit and a second refrigeration circuit in which refrigerants circulate independently of each other, an evaporator in each of the first refrigeration circuit and the second refrigeration circuit , and a cascade condenser in each of the first refrigeration circuit and the second refrigeration circuit , wherein in each cascade condenser , in an outer pipe , the liquid-phase refrigerant evaporates to cool the gas-phase refrigerant flowing through an inner pipe , wherein the refrigeration apparatus further comprises a heat insulating board disposed between the two evaporators and the two cascade condensers , and a heat insulating material packed in spaces on the upper, lower, left and right sides of the heat insulation board .
A system comprising: a first bus transfer switch configured to open and close a connection between a generator control unit and a pilot permanent magnet generator stage of an independent speed variable frequency (ISVF) generator and to open and close a connection between the generator control unit and an external power source ; a transformer configured to transmit a power signal from the generator control unit to a rotor of the ISVF generator; an inverter configured to set a main field winding attached to the rotor into a motor state in response to a control signal from the generator control unit; and a second bus transfer switch configured to open and close a connection between a main armature winding of the ISVF generator and a power distribution bus and to open and close a connection between the main armature winding and a motor start driver configured to send a current through the main armature winding to generate a magnetic field pattern that causes the rotor to turn, enabling startup of an engine. a first bus transfer switch configured to open and close a connection between a generator control unit and a pilot permanent magnet generator stage of an independent speed variable frequency (ISVF) generator and to open and close a connection between the generator control unit and an external power source ; a transformer configured to transmit a power signal from the generator control unit to a rotor of the ISVF generator; an inverter configured to set a main field winding attached to the rotor into a motor state in response to a control signal from the generator control unit; and a second bus transfer switch configured to open and close a connection between a main armature winding of the ISVF generator and a power distribution bus and to open and close a connection between the main armature winding and a motor start driver configured to send a current through the main armature winding to generate a magnetic field pattern that causes the rotor to turn, enabling startup of an engine.
A self-closing screw coupling for hoses, in particular compressed air hoses of tire repair kits, comprising a screw head which can in particular be screwed to a tire valve and can be flowed through by a fluid; a hose connector piece which is rotatably connected to the screw head about a longitudinal hose axis and which can likewise be flowed through by a fluid; a valve which is arranged in a throughflow passage of the screw coupling and has a spring , preferably a spring having a double helix, and a closure part which is biased toward a valve seat by the spring , preferably wherein the closure part has a jacket surface at which a plurality of axially extending ribs are arranged, characterized in that the spring is formed in one piece with the closure part , and preferably are composed of plastic. a screw head which can in particular be screwed to a tire valve and can be flowed through by a fluid; a hose connector piece which is rotatably connected to the screw head about a longitudinal hose axis and which can likewise be flowed through by a fluid; a valve which is arranged in a throughflow passage of the screw coupling and has a spring , preferably a spring having a double helix, and a closure part which is biased toward a valve seat by the spring , preferably wherein the closure part has a jacket surface at which a plurality of axially extending ribs are arranged, characterized in that the spring is formed in one piece with the closure part , and preferably are composed of plastic.
A piston pump for high performance liquid chromatography comprising a cam mechanism for converting a swiveling movement of a drive-side shaft into a linear output movement, comprising a) a cam disk that can attach to the drive-side shaft b) a slider that can be shifted in a linear guide at least in sections, and c) a cam follower which is applied against the circumferential surface of the cam disk , so that a swiveling movement of the cam disk leads to a linear output movement of the slider in the linear guide , wherein the circumference of the cam disk is designed as spiral-shaped at least in sections, and the radius of the cam disk increases monotonically in the spiral-shaped section from a start radius R 1 to an end radius R 2 along a swiveling direction, a motor for driving a drive-side shaft which is connected to the cam disk , a control of the motor, and a piston which is present attached central axially on the end of the slider , on the side facing away from the cam follower characterized in that the control of the motor is configured so that the cam disk performs a swiveling movement between two reversal points. a) a cam disk that can attach to the drive-side shaft b) a slider that can be shifted in a linear guide at least in sections, and c) a cam follower which is applied against the circumferential surface of the cam disk , so that a swiveling movement of the cam disk leads to a linear output movement of the slider in the linear guide , wherein the circumference of the cam disk is designed as spiral-shaped at least in sections, and the radius of the cam disk increases monotonically in the spiral-shaped section from a start radius R 1 to an end radius R 2 along a swiveling direction,
A vacuum assisted resin transfer molding method for producing a component , in particular a spar cap, of a rotor blade comprising a lightning protection system , wherein the vacuum assisted resin transfer molding method comprises the steps of: a) placing (S1) an electrically conductive beam fiber material of an electrically conductive beam , an electrically conductive fiber mat and an electrical conductor of the component in a mold arrangement , b) electrically connecting (S2) the electrically conductive beam fiber material to the electrical conductor by means of the electrically conductive fiber mat , wherein an electrical connection between the electrical conductor and the electrically conductive fiber mat is generated, c) subjecting (S3) the mold arrangement to underpressure , d) applying (S4) an external pressure on the electrical connection from outside the mold arrangement , e) injecting (S5) resin into the underpressurized mold arrangement , and f) applying heat (S6) to the mold arrangement for curing the resin . a) placing (S1) an electrically conductive beam fiber material of an electrically conductive beam , an electrically conductive fiber mat and an electrical conductor of the component in a mold arrangement , b) electrically connecting (S2) the electrically conductive beam fiber material to the electrical conductor by means of the electrically conductive fiber mat , wherein an electrical connection between the electrical conductor and the electrically conductive fiber mat is generated, c) subjecting (S3) the mold arrangement to underpressure , d) applying (S4) an external pressure on the electrical connection from outside the mold arrangement , e) injecting (S5) resin into the underpressurized mold arrangement , and f) applying heat (S6) to the mold arrangement for curing the resin .
An unmanned aerial vehicle, comprising: a mounting frame onto which at least a payload is affixed; a plurality of fuel cell stacks operable in a predefined configuration, each of the plurality of fuel cell stacks being in a separate package; one or more tanks configured to supply hydrogen to the plurality of fuel cell stacks; a propulsion system configured to receive an output power generated from the plurality of fuel cell stacks; and a power controller configured to couple the plurality of fuel cell stacks in the predefined configuration; wherein the propulsion system comprises one or more motors and one or more rotors ; wherein the power controller is further configured to detect a fault in one of the plurality of fuel cell stacks and to cause the other stack(s) to continue operating such that the propulsion system is able to bring the unmanned aerial vehicle to a safe landing; and wherein the power controller is further configured to be controlled, either remotely via a device on the ground or locally via a direct connection on-board the unmanned aerial vehicle, to breach a safety threshold related to fuel cell overheating such that the payload has a non-negligible probability of landing undamaged, when the fault is detected, due to prioritizing safety of the payload over survival of the stack(s) and/or of a motor of the unmanned aerial vehicle. a mounting frame onto which at least a payload is affixed; a plurality of fuel cell stacks operable in a predefined configuration, each of the plurality of fuel cell stacks being in a separate package; one or more tanks configured to supply hydrogen to the plurality of fuel cell stacks; a propulsion system configured to receive an output power generated from the plurality of fuel cell stacks; and a power controller configured to couple the plurality of fuel cell stacks in the predefined configuration; wherein the propulsion system comprises one or more motors and one or more rotors ; wherein the power controller is further configured to detect a fault in one of the plurality of fuel cell stacks and to cause the other stack(s) to continue operating such that the propulsion system is able to bring the unmanned aerial vehicle to a safe landing; and wherein the power controller is further configured to be controlled, either remotely via a device on the ground or locally via a direct connection on-board the unmanned aerial vehicle, to breach a safety threshold related to fuel cell overheating such that the payload has a non-negligible probability of landing undamaged, when the fault is detected, due to prioritizing safety of the payload over survival of the stack(s) and/or of a motor of the unmanned aerial vehicle.
A smoke screen generator comprising a cylindrical housing , an igniter and a smoke screen generating agent which are accommodated in the cylindrical housing , a first closure including the igniter and closing a first end opening of the cylindrical housing , a second closure having a first discharge flow path and a first discharge port , which is an outlet of the first discharge flow path , and closing a second end opening of the cylindrical housing on an opposite side in an axial direction to the first end opening , a flow path changing member for a smoke screen source being attached to an outer side of the second closure , a second discharge flow path being provided between the second closure and the flow path changing member and in communication with the outlet of the first discharge flow path , and an outlet of the second discharge flow path being a final discharge port , the first discharge flow path being extended in a direction coaxial with the cylindrical housing and the second discharge flow path being extended in a different direction from that of the first discharge flow path , the first closure having a discharge hole for discharging an ignition product which is generated at the time of actuation of the igniter , a porous cylindrical body being arranged between a surface of the first closure where the discharge hole for the ignition product is not provided and the first discharge flow path of the second closure , a space between an inner circumferential wall surface of the cylindrical housing and the porous cylindrical body being a smoke screen generating agent-accommodating chamber which accommodates the smoke screen generating agent , and the discharge hole for the ignition product facing the smoke screen generating agent-accommodating chamber , and at the time of actuation of the igniter , the smoke screen generating agent in the smoke screen generating agent-accommodating chamber being ignited and burned to generate a smoke screen source, the smoke screen source moving through an inside of the porous cylindrical body , passing through the first discharge flow path , the first discharge port and the second discharge flow path , and thereafter being discharged from the final discharge port to the outside in order to generate a smoke screen.