mhurhangee/ep-ind-claims huggingface dataset:
An envelope tracking supply modulator comprising: an amplifier comprising differential inputs (912, 914) and an output, wherein the amplifier is configured to provide at its output an envelope tracking power supply to a power amplifier, wherein the differential inputs (912, 914) comprise an inverting input and a non-inverting input, wherein the non-inverting input is coupled to a reference voltage source and the inverting input is coupled to an output of a transconductance amplifier, wherein the transconductance amplifier is configured to receive differential input signals (Vip,Vin) representing the envelope waveform of a signal to be amplified by the power amplifier; a feedback path coupled between the output of the amplifier and the inverting input of the amplifier; an inverting amplifier or inverting buffer comprising an input terminal and an output terminal; a capacitor comprising a first terminal and a second terminal; wherein the input terminal is coupled to the inverting input, the output terminal is coupled to the first terminal of the capacitor and the second terminal of the capacitor is coupled to the non-inverting input. an amplifier comprising differential inputs (912, 914) and an output, wherein the amplifier is configured to provide at its output an envelope tracking power supply to a power amplifier, wherein the differential inputs (912, 914) comprise an inverting input and a non-inverting input, wherein the non-inverting input is coupled to a reference voltage source and the inverting input is coupled to an output of a transconductance amplifier, wherein the transconductance amplifier is configured to receive differential input signals (Vip,Vin) representing the envelope waveform of a signal to be amplified by the power amplifier; a feedback path coupled between the output of the amplifier and the inverting input of the amplifier; an inverting amplifier or inverting buffer comprising an input terminal and an output terminal; a capacitor comprising a first terminal and a second terminal; wherein the input terminal is coupled to the inverting input, the output terminal is coupled to the first terminal of the capacitor and the second terminal of the capacitor is coupled to the non-inverting input.
An electrical power distribution system (100, 200, 300), comprising: an electricity meter (102, 202) connected to power lines on one side and an electrical load on the other side, the electricity meter (102, 202) having a meter housing, and a processor, memory, a communications module (112, 212), a sensor, and a service disconnect switch within the meter housing; a communication and control system configured to communicate with the electricity meter and operational to communicate one or more thresholds to the electricity meter, and wherein the electricity meter is operable, when conditions established by the one or more thresholds are not met, to open the service disconnect switch and automatically disconnect the electrical load; a customer-site electric generator or electric storage device connectable to the electrical load via a secondary disconnect switch (239, 339) that can disconnect or reconnect the load upon receipt of a control signal from the electricity meter by a secondary communications module (235, 335) of the customer-site electrical generator or electric storage device, wherein the control signal comprises a connect control signal that is sent from the electricity meter to the secondary communications module (235, 335) to connect the customer-site electrical generator or electric storage device when a current, voltage and/ or frequency delivered by the power lines and measured by the sensor do not meet the established conditions that are set by the one or more thresholds stored in the memory of the electricity meter, and wherein the control signal comprises a disconnect control signal that is sent from the electricity meter to the secondary communications module (235, 335) to disconnect the customer-site electrical generator or electric storage device when a current, voltage and/or frequency delivered by the power lines and measured by the sensor meet the conditions set by the one or more threshold stored in the memory of the electricity meter.
An atrio-ventricular valve prosthesis comprising a ring-shaped supporting structure to be anchored at the valve annulus, and a single extended valve leaflet of flexible material floatingly supported by said supporting structure, wherein said supporting structure comprises a support wall portion at which a root end of the valve leaflet is connected, and a complementary wall portion opposite to said support wall portion, which supports a quasi-static coaptation surface adapted to be sealingly engaged by a free end of the valve leaflet, and extending in a direction substantially parallel to the movement direction of the free end of the valve leaflet at the coaptation surface; said free end of the valve leaflet is connected to said support wall portion or to said complementary wall portion by means of at least one traction member of flexible material, wherein the traction member is dimensioned to such a length that the movement of the free end of the valve leaflet is stopped at said coaptation surface; said supporting structure has a D-shaped cross section in the area where said valve leaflet is contacting said structure wherein said coaptation surface is formed by a quasi-static coaptation leaflet which comprises a root end connected to said complementary wall portion, and a free end connected to said complementary wall portion by means of at least one traction member of flexible material which is dimensioned to such a length that said coaptation leaflet is kept bent towards said complementary wall portion. said supporting structure comprises a support wall portion at which a root end of the valve leaflet is connected, and a complementary wall portion opposite to said support wall portion, which supports a quasi-static coaptation surface adapted to be sealingly engaged by a free end of the valve leaflet, and extending in a direction substantially parallel to the movement direction of the free end of the valve leaflet at the coaptation surface; said free end of the valve leaflet is connected to said support wall portion or to said complementary wall portion by means of at least one traction member of flexible material, wherein the traction member is dimensioned to such a length that the movement of the free end of the valve leaflet is stopped at said coaptation surface; said supporting structure has a D-shaped cross section in the area where said valve leaflet is contacting said structure wherein said coaptation surface is formed by a quasi-static coaptation leaflet which comprises a root end connected to said complementary wall portion, and a free end connected to said complementary wall portion by means of at least one traction member of flexible material which is dimensioned to such a length that said coaptation leaflet is kept bent towards said complementary wall portion.
A double-sided slot-milling insert (23, 23') to be on-edge mounted to a toolholder of a slot-milling tool in a staggered manner, comprising: a first side surface; a second side surface; and a plurality of edge surfaces between the first and second side surfaces, each edge surface intersecting with another edge surface at a corner and forming a cutting edge, wherein the first and second side surfaces (27 and 29) each have a side insert supporting surface (37 and 39) for abutting against an abutment surface (41 and 43) in a toolholder, and the insert (23, 23') has reflective symmetry about a central plane extending through the edge surfaces midway between the first and second side surfaces (27 and 29), wherein a chipbreaker is provided on each edge surface and corresponds to each cutting edge, characterized in that each chipbreaker includes a recess beneath the cutting edge and a portion projecting toward the cutting edge, the projecting portion defining first and second chip deflecting recesses (71 and 73) between the projecting portion and the first and second side surfaces (27 and 29), respectively. a first side surface; a second side surface; and a plurality of edge surfaces between the first and second side surfaces, each edge surface intersecting with another edge surface at a corner and forming a cutting edge, wherein the first and second side surfaces (27 and 29) each have a side insert supporting surface (37 and 39) for abutting against an abutment surface (41 and 43) in a toolholder, and the insert (23, 23') has reflective symmetry about a central plane extending through the edge surfaces midway between the first and second side surfaces (27 and 29), wherein a chipbreaker is provided on each edge surface and corresponds to each cutting edge, characterized in that each chipbreaker includes a recess beneath the cutting edge and a portion projecting toward the cutting edge, the projecting portion defining first and second chip deflecting recesses (71 and 73) between the projecting portion and the first and second side surfaces (27 and 29), respectively.
Roller with a combined pendulum- / pivot-joint arrangement, comprising a front connection element for connecting a front frame part of the roller, a rear connection element for connecting a rear frame part of the roller, a driver's cabin being located on the rear frame part and driving means being arranged on both the front frame part and on the rear frame part, a pivot joint, via which the front frame part and the rear frame part are connected with one another in a pivotable manner in relation to one another about a steering axis (As), and a pendulum joint, via which the front frame part and the rear frame part are connected with one another in a twistable manner in relation to one another about a pendulum axis (A T), wherein the joint arrangement comprises a combination of the pendulum joint and the pivot joint, wherein further the pendulum joint comprises the front connection element and the pivot joint comprises the rear connection element, and the pendulum joint comprises a rotary body or a torsional bearing element which is rotatably arranged on the front connection element about the pendulum axis (A T), and wherein further the joint part of the pivot element complementary to the joint part of the pivot joint on the frame side is arranged on the rotary body or on the torsional bearing element, characterized in that the steering axis (A S) of the pivot joint is inclined about an angle (α) in relation to the pendulum axis (A T) and a pendulum stop of the pendulum angle is provided depending on the inclination of the steering axis (A S) and the steering angle (β).
An air-fuel ratio control device comprising: an air-fuel ratio sensor configured such that an output current value thereof varies linearly in accordance with an oxygen concentration; air-fuel ratio feedback control means for feedback-controlling an air-fuel ratio on the basis of a detection value from the air-fuel ratio sensor; and prohibiting means for prohibiting the feedback control when the air-fuel ratio is smaller than a predetermined rich air-fuel ratio, wherein the feedback control is permitted for a predetermined period after the air-fuel ratio becomes smaller than the predetermined rich air-fuel ratio, wherein a timer is activated when the air-fuel ratio becomes smaller than the predetermined rich air-fuel ratio and wherein the predetermined period elapses following the activation of the timer, wherein the predetermined rich air-fuel ratio is an air-fuel ratio at which an amount of oxygen supplied to an atmosphere side electrode of the air-fuel ratio sensor becomes insufficient when an operation is continued at the air-fuel ratio, and characterized in that the predetermined period is set to be shorter than a time required for an air-fuel ratio detection precision to deteriorate due to a deficiency in the amount of oxygen supplied to the atmosphere side electrode of the air-fuel ratio sensor. an air-fuel ratio sensor configured such that an output current value thereof varies linearly in accordance with an oxygen concentration; air-fuel ratio feedback control means for feedback-controlling an air-fuel ratio on the basis of a detection value from the air-fuel ratio sensor; and prohibiting means for prohibiting the feedback control when the air-fuel ratio is smaller than a predetermined rich air-fuel ratio, wherein the feedback control is permitted for a predetermined period after the air-fuel ratio becomes smaller than the predetermined rich air-fuel ratio, wherein a timer is activated when the air-fuel ratio becomes smaller than the predetermined rich air-fuel ratio and wherein the predetermined period elapses following the activation of the timer, wherein the predetermined rich air-fuel ratio is an air-fuel ratio at which an amount of oxygen supplied to an atmosphere side electrode of the air-fuel ratio sensor becomes insufficient when an operation is continued at the air-fuel ratio, and characterized in that the predetermined period is set to be shorter than a time required for an air-fuel ratio detection precision to deteriorate due to a deficiency in the amount of oxygen supplied to the atmosphere side electrode of the air-fuel ratio sensor.
Use of a hydrogenated silicon in the form of a solid material having at least one dimension greater than at least 0.5 mm, said hydrogenated silicon being obtained by electrochemical treatment of a silicon substrate with an acid, to produce dihydrogen which is to be recovered and/or utilized, wherein the hydrogenated silicon is brought into contact with an alkaline solution.
An X-ray imaging apparatus comprising: an X-ray generator to generate and emit X-rays; an X-ray detector (11, 21) to detect X-rays emitted from the X-ray generator; a moving carriage coupled with the X-ray generator to adjust a position of the X-ray generator; a guide rail on which to move the moving carriage to change the position of the X-ray generator; and a holding unit disposed at an inner side of the moving carriage to hold the position of the moving carriage, wherein the holding unit comprises: a contact pad to contact the guide rail to hold the moving carriage; a magnetic body to move the contact pad using magnetic force, characterized by a holding plate coupled to the contact pad to move according to operation of the magnetic body; wherein the holding plate comprises a plurality of layers (121, 122, 123); wherein at least one of the layers (121, 122,123) comprises a buffer material capable of absorbing noise or vibration; and wherein at least one of the layers (121, 122,123) is formed of a magnetic material to enable the holding plate to move by operation of the magnetic body. an X-ray generator to generate and emit X-rays; an X-ray detector (11, 21) to detect X-rays emitted from the X-ray generator; a moving carriage coupled with the X-ray generator to adjust a position of the X-ray generator; a guide rail on which to move the moving carriage to change the position of the X-ray generator; and a holding unit disposed at an inner side of the moving carriage to hold the position of the moving carriage, wherein the holding unit comprises: a contact pad to contact the guide rail to hold the moving carriage; a magnetic body to move the contact pad using magnetic force, characterized by a holding plate coupled to the contact pad to move according to operation of the magnetic body; wherein the holding plate comprises a plurality of layers (121, 122, 123); wherein at least one of the layers (121, 122,123) comprises a buffer material capable of absorbing noise or vibration; and wherein at least one of the layers (121, 122,123) is formed of a magnetic material to enable the holding plate to move by operation of the magnetic body. a contact pad to contact the guide rail to hold the moving carriage; a magnetic body to move the contact pad using magnetic force, characterized by a holding plate coupled to the contact pad to move according to operation of the magnetic body; wherein the holding plate comprises a plurality of layers (121, 122, 123); wherein at least one of the layers (121, 122,123) comprises a buffer material capable of absorbing noise or vibration; and wherein at least one of the layers (121, 122,123) is formed of a magnetic material to enable the holding plate to move by operation of the magnetic body.
An external end device equipped with a tissue-ingrowth cuff, the external end device being adapted to be connected, on one side, to a catheter, and, on the other side, to a lid, or alternatively to flow lines of a treatment apparatus, the external end device comprising: - a casing, including a base, a plurality of side walls provided with a distal opening and a pair of proximal openings (13, 13) with respect to said flow lines, and a removable cover on the side walls, - a fitting housed in the casing and having a distal tract which engages with the catheter, and two proximal tracts (17, 17), - a pair of curved pipes (18, 18) each having a distal end inserted on the respective proximal tract of the fitting, and a proximal end, and - a pair of nozzles (190, 190) inserted in the proximal end (181, 181) of the curved tubes (18, 18), said distal opening of the casing receiving a funnel septum comprising a tube trunk inside which the catheter is connected to the distal tract of the fitting, a tubular coating having a proximal end suitable for being inserted on the tube trunk and a distal end coaxially adherent to the catheter, characterized in that - a pair of bands (90, 91) of tissue-ingrowth material is attached on the tubular coating, and - an anchor ring, equipped with anchoring means, is sandwiched between the bands (90, 91). - a casing, including a base, a plurality of side walls provided with a distal opening and a pair of proximal openings (13, 13) with respect to said flow lines, and a removable cover on the side walls, - a fitting housed in the casing and having a distal tract which engages with the catheter, and two proximal tracts (17, 17), - a pair of curved pipes (18, 18) each having a distal end inserted on the respective proximal tract of the fitting, and a proximal end, and - a pair of nozzles (190, 190) inserted in the proximal end (181, 181) of the curved tubes (18, 18), said distal opening of the casing receiving a funnel septum comprising a tube trunk inside which the catheter is connected to the distal tract of the fitting, a tubular coating having a proximal end suitable for being inserted on the tube trunk and a distal end coaxially adherent to the catheter, characterized in that - a pair of bands (90, 91) of tissue-ingrowth material is attached on the tubular coating, and - an anchor ring, equipped with anchoring means, is sandwiched between the bands (90, 91). - a pair of bands (90, 91) of tissue-ingrowth material is attached on the tubular coating, and - an anchor ring, equipped with anchoring means, is sandwiched between the bands (90, 91).
A method for determining a noise signal in a voice signal segment, the method comprising: determining a voice signal segment with an amplitude variation less than a preset threshold in a to-be-processed voice as the voice signal segment based on an amplitude variation of a time-domain signal of the to-be-processed voice; performing a Fourier transform on each frame signal in the voice signal segment to acquire a power spectrum of each frame signal in the voice signal segment, wherein the power spectrum comprises multiple power values corresponding to different frequencies; determining a variance of power values of each frame signal in the voice signal segment at various frequencies based on the power spectrum of the frame signal; and determining whether each frame signal in the voice signal segment is a noise signal based on the variance. determining a voice signal segment with an amplitude variation less than a preset threshold in a to-be-processed voice as the voice signal segment based on an amplitude variation of a time-domain signal of the to-be-processed voice; performing a Fourier transform on each frame signal in the voice signal segment to acquire a power spectrum of each frame signal in the voice signal segment, wherein the power spectrum comprises multiple power values corresponding to different frequencies; determining a variance of power values of each frame signal in the voice signal segment at various frequencies based on the power spectrum of the frame signal; and determining whether each frame signal in the voice signal segment is a noise signal based on the variance.
A fluid transfer tube comprising a tube and a pipe joint (4, 4') mounted to an end of the tube having elasticity, characterized in that a tube connecting portion (3, 3') of the pipe joint (4, 4') and a tube portion in a vicinity of the tube connecting portion (3, 3') are covered with a heat radiation preventing cover so that a freezing pressure of the tube connecting portion (3, 3') is moved to a section of the tube that is enveloped with the heat radiation preventing cover and the freezing pressure is absorbed by the tube that is enveloped with the heat radiation preventing cover.
A method of reducing the deposition of organic contaminants in a papermaking process, comprising adding to pulp or a papermaking system an effective amount of a branched, cyclic glycerol-based polymer, wherein the branched, cyclic glycerol-based polymer has a weight-average molecular weight of 1,000 Da to 500,000 Da, wherein the branched, cyclic glycerol-based polymer is a random polymer of the monomeric units indicated in the following formula: wherein. m, n, o, p, q and r are independently selected from 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39 40, 41, 42, 43, 44, 45, 46, 47, 48, 49 and 50, R and R' are independently -(CH 2) x -, wherein each x is independently 0 or 1; and each R 1 is independently selected from hydrogen, acyl and C 1 -C 50 alkyl, wherein the branched, cyclic glycerol-based polymer has a degree of branching of from 0.20 to 0,75 wherein the branched, cyclic glycerol-based polymer has a degree of cyclization of from 0.01 to 0 50, wherein the branched, cyclic glycerol-based polymer is added to a pulp slurry in the papermaking process, and wherein the effective amount of the branched, cyclic glycerol-based polymer is from 5 ppm to 300 ppm. m, n, o, p, q and r are independently selected from 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39 40, 41, 42, 43, 44, 45, 46, 47, 48, 49 and 50, R and R' are independently -(CH 2) x -, wherein each x is independently 0 or 1; and each R 1 is independently selected from hydrogen, acyl and C 1 -C 50 alkyl, wherein the branched, cyclic glycerol-based polymer has a degree of branching of from 0.20 to 0,75 wherein the branched, cyclic glycerol-based polymer has a degree of cyclization of from 0.01 to 0 50, wherein the branched, cyclic glycerol-based polymer is added to a pulp slurry in the papermaking process, and wherein the effective amount of the branched, cyclic glycerol-based polymer is from 5 ppm to 300 ppm.