mhurhangee/ep-ind-claims huggingface dataset:
A device for evaluating SpO2 of a living being, including an oximeter intended to be fixed on said living being, said oximeter being configured to produce at least two photoplethysmographic signals, called PPG signals, one in the red and the other in the infrared, and a unit for processing said PPG signals, said processing unit including means for checking the periodicity of each of the PPG signals, means for determining a quality indicator (I R) of the PPG signals, means for estimating the ratio of ratios, the ratio of ratios being defined by: RR = AC x DC x AC y DC y With: - AC x the amplitude of the PPG signal at the wavelength × nm, - DC x the minimum (or average) value of the PPG signal at the wavelength × nm. - AC y the amplitude of the PPG signal at the wavelength y nm, - DC y the minimum (or average) value of the PPG signal at the wavelength y nm, and means for calculating SpO2 from the estimated value of the ratio of ratios, the estimation means taking into account the value of the quality indicator (I R) in the estimation of the ratio of ratios, wherein the means for determining a quality indicator (I R) of the PPG signals are configured to determine a time validity indicator (V T,x) of each of the PPG signals, the validity indicator (V T,x) being equal to: V T, x = max i abs T i, x − T s T s with T i,x the time between two successive local minimums of the PPG signal at the wavelength x, and T s the average period of said signal, a stability indicator (V A,x) of each of the PPG signals, the stability indicator being equal to V A, x = max i abs d i, x − d i − 1, x d i − 1, x with d i, x the amplitude of the local minimum for the period #i corresponding to the wavelength x, and to determine the quality indicator (I R) from the validity indicators and the stability indicators. - AC x the amplitude of the PPG signal at the wavelength × nm, - DC x the minimum (or average) value of the PPG signal at the wavelength × nm. - AC y the amplitude of the PPG signal at the wavelength y nm, - DC y the minimum (or average) value of the PPG signal at the wavelength y nm, and means for calculating SpO2 from the estimated value of the ratio of ratios, the estimation means taking into account the value of the quality indicator (I R) in the estimation of the ratio of ratios, wherein the means for determining a quality indicator (I R) of the PPG signals are configured to determine a time validity indicator (V T,x) of each of the PPG signals, the validity indicator (V T,x) being equal to: V T, x = max i abs T i, x − T s T s with T i,x the time between two successive local minimums of the PPG signal at the wavelength x, and T s the average period of said signal, a stability indicator (V A,x) of each of the PPG signals, the stability indicator being equal to V A, x = max i abs d i, x − d i − 1, x d i − 1, x with d i, x the amplitude of the local minimum for the period #i corresponding to the wavelength x, and to determine the quality indicator (I R) from the validity indicators and the stability indicators.
A dental attachment assembly mountable to an anchorage unit of a dental implant, the attachment assembly comprising a first attachment part (31; 71) and a second attachment part (32; 72) which define an aperture for accommodating a portion (44; 53) of at least one anchorage unit, with a boundary wall of the aperture on each of the attachment parts serving, in use, as a jaw clampable against the portion of the at least one anchorage unit, wherein, in a clamped position, the aperture has a greater size than the portion of the at least one anchorage unit, to thereby allow adjustment of the position of the dental attachment assembly with respect to the at least one anchorage unit while the first and the second attachment parts clamp against the at least one anchorage unit, further comprising a removable dental implant drilling template for use at a treatment site where the dental implant is to be fitted, wherein the template comprises a hole which defines a position for the implant, and a recess, located on a side of the template facing the treatment site, for accommodating one of the attachment parts of said dental attachment assembly.
A transfer method for transferring a body, said body being a circuit or active or passive device, comprising: a step of forming a peeling layer on a transfer origin substrate, the transfer origin substrate having a projection structure formed thereon; a step of forming a layer on said peeling layer, the layer including a plurality of bodies to be transferred; and a step of applying energy to a partial region of the peeling layer corresponding to one of said bodies to be transferred to bring about peeling at the peeling layer, and transferring said one body onto a transfer destination substrate, wherein the projection structure demarcates partial regions corresponding to said bodies to be transferred, and the projection structure functions as region dividing means whereby the peeling layer is broken through the projection structure, thereby causing said bodies to be transferred to be readily separated from the layer along outer peripheries of said partial regions. a step of forming a peeling layer on a transfer origin substrate, the transfer origin substrate having a projection structure formed thereon; a step of forming a layer on said peeling layer, the layer including a plurality of bodies to be transferred; and a step of applying energy to a partial region of the peeling layer corresponding to one of said bodies to be transferred to bring about peeling at the peeling layer, and transferring said one body onto a transfer destination substrate, wherein the projection structure demarcates partial regions corresponding to said bodies to be transferred, and the projection structure functions as region dividing means whereby the peeling layer is broken through the projection structure, thereby causing said bodies to be transferred to be readily separated from the layer along outer peripheries of said partial regions.
An arc fault current detector for an electricity supply having at least two supply conductors (P1, P2), the detector comprising: a first inductor including a coil, wherein the first inductor is disposed adjacent to but not surrounding at least one of the conductors (P1, P2) and inductively coupled thereto, and wherein the first inductor is responsive to frequencies into the MHz range; a first circuit connected to the coil of the first inductor for detecting a signal induced in the coil having frequency characteristics representative of an arc fault in the supply; a second inductor including a coil, wherein the second inductor is disposed adjacent to but not surrounding at least one of the conductors and inductively coupled thereto, and wherein the second inductor is responsive to both supply frequency signals and to arcing currents in the range 10KHz to 150Khz; and a second circuit connected to said second inductor and configured to provide an indication of a magnitude of a power frequency current, and the presence of an arc fault with an arcing current above a certain threshold. a first inductor including a coil, wherein the first inductor is disposed adjacent to but not surrounding at least one of the conductors (P1, P2) and inductively coupled thereto, and wherein the first inductor is responsive to frequencies into the MHz range; a first circuit connected to the coil of the first inductor for detecting a signal induced in the coil having frequency characteristics representative of an arc fault in the supply; a second inductor including a coil, wherein the second inductor is disposed adjacent to but not surrounding at least one of the conductors and inductively coupled thereto, and wherein the second inductor is responsive to both supply frequency signals and to arcing currents in the range 10KHz to 150Khz; and a second circuit connected to said second inductor and configured to provide an indication of a magnitude of a power frequency current, and the presence of an arc fault with an arcing current above a certain threshold.
A lighted ladder comprising: a ladder; a top cap; one or more LED light strip lights; a cordless tool battery mounting means; a controller housing; a dimmer controller and a motion activation controller located within the controller housing; a control interface; power wiring; a motion sensor; and motion sensor wiring; wherein: placement of the cordless tool battery mounting means in a low position on the ladder, relative to the controller housing and the control interface, weight-balances the ladder when, in use, a cordless tool battery is received by the battery mounting means; the power wiring, motion sensor wiring and potentiometer wiring is routed from the cordless tool battery mounting means and the controller housing through vertical rear rails to the control interface and then through two vertical front rails to the LED light strip lights; the two vertical front rails accept a plurality of plastic housings; the dimmer controller is comprised of a DC pulse width modulated dimmer; and the motion activation controller is comprised of a motion detection logic controller. a ladder; a top cap; one or more LED light strip lights; a cordless tool battery mounting means; a controller housing; a dimmer controller and a motion activation controller located within the controller housing; a control interface; power wiring; a motion sensor; and motion sensor wiring; wherein: placement of the cordless tool battery mounting means in a low position on the ladder, relative to the controller housing and the control interface, weight-balances the ladder when, in use, a cordless tool battery is received by the battery mounting means; the power wiring, motion sensor wiring and potentiometer wiring is routed from the cordless tool battery mounting means and the controller housing through vertical rear rails to the control interface and then through two vertical front rails to the LED light strip lights; the two vertical front rails accept a plurality of plastic housings; the dimmer controller is comprised of a DC pulse width modulated dimmer; and the motion activation controller is comprised of a motion detection logic controller. placement of the cordless tool battery mounting means in a low position on the ladder, relative to the controller housing and the control interface, weight-balances the ladder when, in use, a cordless tool battery is received by the battery mounting means; the power wiring, motion sensor wiring and potentiometer wiring is routed from the cordless tool battery mounting means and the controller housing through vertical rear rails to the control interface and then through two vertical front rails to the LED light strip lights; the two vertical front rails accept a plurality of plastic housings; the dimmer controller is comprised of a DC pulse width modulated dimmer; and the motion activation controller is comprised of a motion detection logic controller.
Charging plug for a charging station, having the following features: - the charging plug comprises a contact carrier, a housing shell, a handle region, a cable receptacle, and a cable, - the housing shell comprises a first channel and a second channel, each opening into the contact carrier, and - the cable opens via the cable receptacle and via the two channels (16, 17) of the housing shell in the contact carrier and comprises control and grounding wires, characterised by the following features: - the cable further comprises DC power lines for transmitting the charging power, the flexibility of which is lower than the control and grounding wires, - the first channel and the second channel run separately from one another and form an opening of the charging plug shell in the middle of the two channels such that the first channel, together with the opening, forms a handle, - the first channel crosses through, the handle region and is more strongly curved than the second channel, - the control and grounding wires run through the first channel, and - the DC power lines run through the second channel. - the charging plug comprises a contact carrier, a housing shell, a handle region, a cable receptacle, and a cable, - the housing shell comprises a first channel and a second channel, each opening into the contact carrier, and - the cable opens via the cable receptacle and via the two channels (16, 17) of the housing shell in the contact carrier and comprises control and grounding wires, characterised by the following features: - the cable further comprises DC power lines for transmitting the charging power, the flexibility of which is lower than the control and grounding wires, - the first channel and the second channel run separately from one another and form an opening of the charging plug shell in the middle of the two channels such that the first channel, together with the opening, forms a handle, - the first channel crosses through, the handle region and is more strongly curved than the second channel, - the control and grounding wires run through the first channel, and - the DC power lines run through the second channel.
A process for the production of hydrogen, comprising a step of reforming a carbon-containing feedstock to obtain a raw hydrogen reformed stream; a step of separating the raw hydrogen reformed stream to increment the concentration of hydrogen and separate a high concentration hydrogen from a recovered gas stream; a step of recirculating a portion of the high concentration hydrogen produced in the separating step to the reforming step together with a steam flow; wherein a high concentration hydrogen stream produced in the separating step is recirculated to the reforming step such that the hydrogen entering into the reforming step is greater of or equal to 50 mol% with respect to the feedstock to be reformed.
Method of controlling an induction generator connected to a utility grid, the method comprising: receiving an actual grid frequency (f); and controlling rotor windings of the generator by a rotor control signal (25a,b,c) having a rotor winding reference frequency (Ω_ref) being set in dependence of the actual grid frequency (f), wherein the rotor winding reference frequency (Ω_ref) is set such that a slip (s) adheres to a predefined value and substantially does not change with changing actual grid frequency (f) at least in a predefined frequency range of the actual grid frequency, wherein the slip s is given by: s = Ω f − ns f / ns f, wherein: f is the actual grid frequency, Q is the actual speed of generator at the actual grid frequency f, ns(f) is a synchronous speed at the actual grid frequency f, wherein ns in rpm is given by ns = 60 * f / p, wherein p is the number of pole pairs of the generator rotor and f is given in Hz, characterized in, that the rotor winding reference frequency (Ω_ref) is set as follows: Ω_ref f = Ω f 0 ∗ 1 + f − f 0 / f 0, wherein f0 is the nominal grid frequency, Q(f) is the rotor winding reference frequency at the actual grid frequency, Ω is the rotor winding reference frequency at the nominal grid frequency, Ω f 0 = f 0 ∗ s. receiving an actual grid frequency (f); and controlling rotor windings of the generator by a rotor control signal (25a,b,c) having a rotor winding reference frequency (Ω_ref) being set in dependence of the actual grid frequency (f), wherein the rotor winding reference frequency (Ω_ref) is set such that a slip (s) adheres to a predefined value and substantially does not change with changing actual grid frequency (f) at least in a predefined frequency range of the actual grid frequency, f is the actual grid frequency, Q is the actual speed of generator at the actual grid frequency f, ns(f) is a synchronous speed at the actual grid frequency f, wherein ns in rpm is given by ns = 60 * f / p, wherein p is the number of pole pairs of the generator rotor and f is given in Hz, characterized in, that the rotor winding reference frequency (Ω_ref) is set as follows: Ω_ref f = Ω f 0 ∗ 1 + f − f 0 / f 0, wherein f0 is the nominal grid frequency, Q(f) is the rotor winding reference frequency at the actual grid frequency, Ω is the rotor winding reference frequency at the nominal grid frequency, Ω f 0 = f 0 ∗ s.
A method of detecting or quantifying a target analyte in a sample using a handheld measuring device and a conformal analyte sensor circuit comprising the steps of: (a) providing a conformal analyte sensor circuit comprising: a solid substrate having a top surface comprising a porous nanotextured substrate; and a conductive material conformally patterned on the top surface of the solid substrate in a circuit design, thereby creating a conformal circuit comprising electrodes, wherein the electrodes consist of a reference electrode and a working electrode and wherein the conformal analyte sensor circuit further comprises a redox material bound with a receptor of the target analyte immobilized onto the conformal circuit; (b) applying an alternating input electric voltage between the reference electrode and the working electrode of the conformal analyte sensor circuit; (c) varying a frequency of the alternating input electric voltage between a minimum frequency and a maximum frequency; (d) amplifying an output current flowing between the reference electrode and the working electrode using a programmable gain amplifier; (e) calculating an impedance by comparing the input electric voltage to the output current using a programmable microcontroller; and (f) detecting a target analyte or calculating a target analyte concentration from the calculated impedance using a programmable microcontroller. (a) providing a conformal analyte sensor circuit comprising: a solid substrate having a top surface comprising a porous nanotextured substrate; and a conductive material conformally patterned on the top surface of the solid substrate in a circuit design, thereby creating a conformal circuit comprising electrodes, wherein the electrodes consist of a reference electrode and a working electrode and wherein the conformal analyte sensor circuit further comprises a redox material bound with a receptor of the target analyte immobilized onto the conformal circuit; a solid substrate having a top surface comprising a porous nanotextured substrate; and a conductive material conformally patterned on the top surface of the solid substrate in a circuit design, thereby creating a conformal circuit comprising electrodes, wherein the electrodes consist of a reference electrode and a working electrode and wherein the conformal analyte sensor circuit further comprises a redox material bound with a receptor of the target analyte immobilized onto the conformal circuit; (b) applying an alternating input electric voltage between the reference electrode and the working electrode of the conformal analyte sensor circuit; (c) varying a frequency of the alternating input electric voltage between a minimum frequency and a maximum frequency; (d) amplifying an output current flowing between the reference electrode and the working electrode using a programmable gain amplifier; (e) calculating an impedance by comparing the input electric voltage to the output current using a programmable microcontroller; and (f) detecting a target analyte or calculating a target analyte concentration from the calculated impedance using a programmable microcontroller.
A ski lift seat comprising a restraining bar able to occupy a first lowered extreme position delimiting an enclosed space allowing to prevent the fall of a passenger and a second raised extreme position in which the restraining bar frees a space at the front of the seat to allow the disembarkation of one or more passenger(s), and means for locking the restraining bar when the latter occupies a lowered position, characterized in that the locking means comprise a bistable electromagnet provided with a rod movable between a first stable position in which the rod allows locking the restraining bar in the lowered position by the interposition of an obstacle on the upward trajectory described by a restraining bar element to move from the lowered position to the raised position, and a second stable position in which the rod allows unlocking the restraining bar with the aim of its displacement to the raised position by the displacement of the obstacle at a distance from the upward trajectory described by the restraining bar element.
Tyre for a vehicle for agricultural use, comprising: - a tread comprising a plurality of bars (3, 4), - a bar extending radially outwards from a base surface of the tread over a bar height, axially towards the inside from an axial end of the tread and circumferentially, in a preferred direction of rotation of the tyre, between a leading face and a trailing face, - a bar comprising, in any axial plane (P xy) parallel to the axis of rotation of the tyre, a leading profile, the intersection of the leading face and of the axial plane (P xy), and a trailing profile, the intersection of the trailing face and of the axial plane (P xy), characterized in that the angle of the straight line tangential to the leading profile at a point on the leading profile, with respect to an equatorial plane of the tyre passing through the middle of the tread, increases continuously from an axially outermost point of the leading profile, when the axial distance between the point of the leading profile and the axially outermost point of the leading profile increases, in that the angle reaches a maximum value (A m) at a point of inflection of the leading profile, and in that the radius of curvature at any point on the leading profile, positioned axially between the axially outermost point and the point of inflection, is at least equal to 0.4 times the height of the bar. - a tread comprising a plurality of bars (3, 4), - a bar extending radially outwards from a base surface of the tread over a bar height, axially towards the inside from an axial end of the tread and circumferentially, in a preferred direction of rotation of the tyre, between a leading face and a trailing face, - a bar comprising, in any axial plane (P xy) parallel to the axis of rotation of the tyre, a leading profile, the intersection of the leading face and of the axial plane (P xy), and a trailing profile, the intersection of the trailing face and of the axial plane (P xy), characterized in that the angle of the straight line tangential to the leading profile at a point on the leading profile, with respect to an equatorial plane of the tyre passing through the middle of the tread, increases continuously from an axially outermost point of the leading profile, when the axial distance between the point of the leading profile and the axially outermost point of the leading profile increases, in that the angle reaches a maximum value (A m) at a point of inflection of the leading profile, and in that the radius of curvature at any point on the leading profile, positioned axially between the axially outermost point and the point of inflection, is at least equal to 0.4 times the height of the bar.