mhurhangee/ep-ind-claims huggingface dataset:
A method of manufacturing a semiconductor light emitting device having a plurality of semiconductor layers grown sequentially on a growth substrate, the plurality of semiconductor layers including a first semiconductor layer having a first conductivity, a second semiconductor layer having a second conductivity different from the first conductivity, and an active layer interposed between the first semiconductor layer and the second semiconductor layer, generating light via electron-hole recombination, wherein a step-shape portion having a height difference is formed in the plurality of semiconductor layers by a mesa etching process, and comprising: forming a finger electrode in a manner that enables electrical communication with the second semiconductor layer; forming, on the finger electrode, on the plurality of semiconductor layers, and on the step-shape portion having a height difference in the plurality of semiconductor layers, a non-conductive reflective film composed of a multi-layer dielectric film, for reflecting the light from the active layer towards the first semiconductor layer on the growth substrate side; forming an electrical connection, passing through the non-conductive reflective film and being electrically connected to the finger electrode; and forming, on the non-conductive reflective film, a metal layer electrically connected to the finger electrode via the electrical connection, characterized in that the non-conductive reflective film is formed such that a bottom layer obtained by chemical vapor deposition has a thickness greater than the thickness of each of two or more layers obtained by physical vapor deposition deposited on the bottom layer. forming a finger electrode in a manner that enables electrical communication with the second semiconductor layer; forming, on the finger electrode, on the plurality of semiconductor layers, and on the step-shape portion having a height difference in the plurality of semiconductor layers, a non-conductive reflective film composed of a multi-layer dielectric film, for reflecting the light from the active layer towards the first semiconductor layer on the growth substrate side; forming an electrical connection, passing through the non-conductive reflective film and being electrically connected to the finger electrode; and forming, on the non-conductive reflective film, a metal layer electrically connected to the finger electrode via the electrical connection, characterized in that the non-conductive reflective film is formed such that a bottom layer obtained by chemical vapor deposition has a thickness greater than the thickness of each of two or more layers obtained by physical vapor deposition deposited on the bottom layer.
A process for converting hydroxymethylfurfural to furanic products inclusive of 2,5-furandicarboxylic acid, comprising: combining a quantity of hydroxymethylfurfural with water to provide an aqueous solution containing at least five percent by weight of hydroxymethylfurfural; and combining the aqueous solution with an oxygen source in the presence of a heterogeneous ruthenium-based catalyst, wherein the catalyst is an unsupported ruthenium oxide catalyst which has neither been treated with base nor includes a basic support; and oxidizing the hydroxymethylfurfural to furanic oxidation products inclusive of 2,5-furandicarboxylic acid, wherein the oxidation step is conducted in the substantial absence of any solvent for either hydroxymethylfurfural or 2,5-furandicarboxylic acid other than water and at a temperature ranging from 70 °C to 170 °C. combining a quantity of hydroxymethylfurfural with water to provide an aqueous solution containing at least five percent by weight of hydroxymethylfurfural; and combining the aqueous solution with an oxygen source in the presence of a heterogeneous ruthenium-based catalyst, wherein the catalyst is an unsupported ruthenium oxide catalyst which has neither been treated with base nor includes a basic support; and oxidizing the hydroxymethylfurfural to furanic oxidation products inclusive of 2,5-furandicarboxylic acid, wherein the oxidation step is conducted in the substantial absence of any solvent for either hydroxymethylfurfural or 2,5-furandicarboxylic acid other than water and at a temperature ranging from 70 °C to 170 °C.
A coupling device to join a first element to a second element, comprising a box-like body which presents appropriate connection means to connect to said first element and inside which a shaft, rotating around an axis, is rotationally accommodated; said shaft supports one or several driving gears, each of which co-operating with at least one driven gear respectively, the latter being operationally connected to at least one assembly that causes the rototranslation of at least one special screw towards said second furniture element, said rototranslation of said at least one screw takes place according to an axis orthogonal to a plane containing said axis characterized in that said at least one assembly comprises an external hollow cylinder, rigidly connected to said box-like body and presenting on its own inner surface one or several helicoidal grooves, said external hollow cylinder being coaxial with a rotating internal hollow cylinder, the latter being integral with said driven gear and presenting one or several longitudinal slots.
A method of interaction using augmented reality, the method comprising: generating on a device of a local user a local augmented reality, AR, view and generating on a device of a remote user a remote AR view, wherein the local AR view and the remote AR view each comprise an independent physical camera view within the respective device; wherein the device of the local user and the device of the remote user generate AR coordinates and update a virtual camera view of AR content within the AR view according to the generated AR coordinates; aligning, by the device of the local user, the local AR view to the remote AR view of the remote user with respect to a marker or point of reference on which to display the AR content; receiving, at the device of the local user, remote annotations from the remote user; sending, from the device of the local user, local annotations registered to the local AR view to the remote user; manipulating, by the device of the local user, the local AR view with the remote annotations and the local annotations; showing the AR content in the local AR view or in the remote AR view and locking the AR content into position on a real-world object; and viewing, on the device of the local user, the local AR view, remote annotations, and local annotations according to the remote AR view of the remote user; wherein the device of the local user and the device of the remote user are each chosen from a group including a tablet, a mobile phone, a laptop computer, a head-mounted display and a virtual-reality display. generating on a device of a local user a local augmented reality, AR, view and generating on a device of a remote user a remote AR view, wherein the local AR view and the remote AR view each comprise an independent physical camera view within the respective device; wherein the device of the local user and the device of the remote user generate AR coordinates and update a virtual camera view of AR content within the AR view according to the generated AR coordinates; aligning, by the device of the local user, the local AR view to the remote AR view of the remote user with respect to a marker or point of reference on which to display the AR content; receiving, at the device of the local user, remote annotations from the remote user; sending, from the device of the local user, local annotations registered to the local AR view to the remote user; manipulating, by the device of the local user, the local AR view with the remote annotations and the local annotations; showing the AR content in the local AR view or in the remote AR view and locking the AR content into position on a real-world object; and viewing, on the device of the local user, the local AR view, remote annotations, and local annotations according to the remote AR view of the remote user; wherein the device of the local user and the device of the remote user are each chosen from a group including a tablet, a mobile phone, a laptop computer, a head-mounted display and a virtual-reality display.
Method for transmitting optical downstream signals (D1 - D10) and associated optical upstream signals (U1 - U10) via a single optical fiber in a point to multipoint network between a central unit and a plurality of network units (ONU1 - ONU10), characterized by the steps of generating an optical carrier signal with a carrier frequency (f C) for signal processing in the central unit; generating an optical downstream transmission signal comprising two adjacent downstream signals (D1, D2) with a channel spacing of 2nΔ (n = 2, 3, 4,...) between said two adjacent downstream signals (D1, D2), wherein the carrier frequency (f C) of said optical carrier signal is situated between the channel frequencies of said two adjacent downstream signals (D1, D2), generating further downstream signals (D3 - D10) with a channel spacing of 3Δ to all adjoining downstream signals (D1 - D10); and transmitting upstream signals (U1-U10) with the same channel spacing as the associated downstream signals (D1-D10), wherein the channel frequency of each optical upstream signal (U1 - U10) has a frequency distance Δ to the channel frequency of the associated downstream signal (D1 - D10); with Δ - minimum channel spacing.
A code division multiplexing method for multiplexing demodulation reference signals for a plurality of layers of data transmitted from a base station to a mobile terminal, wherein the plurality of layers of data are multiplexed on a resource block, which comprises a predetermined number of subcarriers on a frequency axis and a predetermined number of OFDM symbols on a time axis, the method comprising: generating a plurality of second orthogonal matrices (C, D, E) by cyclically shifting chips of particular rows of a first orthogonal matrix, wherein each of the first orthogonal matrix and the second orthogonal matrices (C, D, E) is a matrix with four rows and four columns; on each subcarrier from a subcarrier group (F1, F2, F3) carrying demodulation reference signals in a resource block, multiplying, respectively, four demodulation reference signals for each layer from a layer group with chips taken from a row, corresponding to the layer, of one of the plurality of second orthogonal matrices (C, D, E), the layer group including four layers; and mapping the multiplied demodulation reference signals at four time periods (T1, T2, T3, T4) in the resource block, the four time periods (T1 T2, T3, T4) being the same for all subcarriers in the subcarrier group (F1, F2, F3); and for the resource block, a time direction in which the chips are taken from said row for said multiplication for an odd-numbered subcarrier included in the subcarrier group (F1, F2, F3) is opposite to a time direction in which the chips are taken from said row for said multiplication for an even-numbered subcarrier included in the subcarrier group (F1, F2, F3). generating a plurality of second orthogonal matrices (C, D, E) by cyclically shifting chips of particular rows of a first orthogonal matrix, wherein each of the first orthogonal matrix and the second orthogonal matrices (C, D, E) is a matrix with four rows and four columns; on each subcarrier from a subcarrier group (F1, F2, F3) carrying demodulation reference signals in a resource block, multiplying, respectively, four demodulation reference signals for each layer from a layer group with chips taken from a row, corresponding to the layer, of one of the plurality of second orthogonal matrices (C, D, E), the layer group including four layers; and mapping the multiplied demodulation reference signals at four time periods (T1, T2, T3, T4) in the resource block, the four time periods (T1 T2, T3, T4) being the same for all subcarriers in the subcarrier group (F1, F2, F3); and for the resource block, a time direction in which the chips are taken from said row for said multiplication for an odd-numbered subcarrier included in the subcarrier group (F1, F2, F3) is opposite to a time direction in which the chips are taken from said row for said multiplication for an even-numbered subcarrier included in the subcarrier group (F1, F2, F3).
A method for detaching a user equipment, UE, from a plurality of packet data network, PDN, gateways, comprising: receiving a single message at a mobile management entity, MME, associated with the plurality of PDN gateways to which the UE has more than one active bearer, responsive to receiving the single message, the MME sending a plurality of separate messages to a serving gateway, a separate message for each of the active bearers to be detached; and responsively sending, by the serving gateway, a separate delete bearer request message to each of the plurality of PDN gateways to which the UE has more than one active bearer. receiving a single message at a mobile management entity, MME, associated with the plurality of PDN gateways to which the UE has more than one active bearer, responsive to receiving the single message, the MME sending a plurality of separate messages to a serving gateway, a separate message for each of the active bearers to be detached; and responsively sending, by the serving gateway, a separate delete bearer request message to each of the plurality of PDN gateways to which the UE has more than one active bearer.
A measurement system comprising: a tracking measurement device; a tracked measurement device (120, 120A, 120n); and a positioning unit disposed at least partly on the tracked measurement device (120, 120A, 120n), the positioning unit including a tracking groove (126T, 126TA, 126TB, 126TC, 126TD, 126TE) formed in a surface of the positioning unit, the tracking groove (126T, 126TA, 126TB, 126TC, 126TD, 126TE) having a non-repeating pattern, and a positioning target (130, 130A, 130n) configured to interface with the tracking groove (126T, 126TA, 126TB, 126TC, 126TD, 126TE) so as to be movable within and along at least a portion of the tracking groove (126T, 126TA, 126TB, 126TC, 126TD, 126TE), where the positioning target (130, 130A, 130n) is configured to interface with the tracking measurement device to effect a position determination of the tracked measurement device (120, 120A, 120n) in a global coordinate system of the tracking measurement device. a tracking measurement device; a tracked measurement device (120, 120A, 120n); and a positioning unit disposed at least partly on the tracked measurement device (120, 120A, 120n), the positioning unit including a tracking groove (126T, 126TA, 126TB, 126TC, 126TD, 126TE) formed in a surface of the positioning unit, the tracking groove (126T, 126TA, 126TB, 126TC, 126TD, 126TE) having a non-repeating pattern, and a positioning target (130, 130A, 130n) configured to interface with the tracking groove (126T, 126TA, 126TB, 126TC, 126TD, 126TE) so as to be movable within and along at least a portion of the tracking groove (126T, 126TA, 126TB, 126TC, 126TD, 126TE), where the positioning target (130, 130A, 130n) is configured to interface with the tracking measurement device to effect a position determination of the tracked measurement device (120, 120A, 120n) in a global coordinate system of the tracking measurement device. a tracking groove (126T, 126TA, 126TB, 126TC, 126TD, 126TE) formed in a surface of the positioning unit, the tracking groove (126T, 126TA, 126TB, 126TC, 126TD, 126TE) having a non-repeating pattern, and a positioning target (130, 130A, 130n) configured to interface with the tracking groove (126T, 126TA, 126TB, 126TC, 126TD, 126TE) so as to be movable within and along at least a portion of the tracking groove (126T, 126TA, 126TB, 126TC, 126TD, 126TE), where the positioning target (130, 130A, 130n) is configured to interface with the tracking measurement device to effect a position determination of the tracked measurement device (120, 120A, 120n) in a global coordinate system of the tracking measurement device.
A wire heating system comprising: an induction heating apparatus comprising a power supply and an induction coil arranged to heat a wire rod by an induction heating using current supplied from the power supply; and a controller configured to control the current to be supplied to the induction coil based on a feeding speed of the wire rod, wherein the induction heating apparatus has a heating section in which the wire rod is heated by the induction heating using the induction coil, and a soaking section disposed downstream of the heating section to homogenize the temperature distribution of the wire rod induction-heated by the induction coil such that the temperature of the wire rod at a downstream end of the soaking section becomes a target temperature, characterized in that the controller is configured to control the current to be supplied to the induction coil based on the feeding speed of the wire rod such that the temperature of the wire rod at the downstream end of the soaking section becomes the target temperature and in that the controller controls the current to be supplied to the induction coil so as to satisfy I=k×v 0.5 +ΔI, wherein I is the current to be supplied to the induction coil, v is the feeding speed of the wire rod, k is a proportional constant which is calculated by k=Io/(vo) 0.5, Io is the current to be supplied to the induction coil in the constant speed mode, vo is a feeding speed of the wire rod in the constant speed mode, and ΔI is a standby current. an induction heating apparatus comprising a power supply and an induction coil arranged to heat a wire rod by an induction heating using current supplied from the power supply; and a controller configured to control the current to be supplied to the induction coil based on a feeding speed of the wire rod, wherein the induction heating apparatus has a heating section in which the wire rod is heated by the induction heating using the induction coil, and a soaking section disposed downstream of the heating section to homogenize the temperature distribution of the wire rod induction-heated by the induction coil such that the temperature of the wire rod at a downstream end of the soaking section becomes a target temperature, characterized in that the controller is configured to control the current to be supplied to the induction coil based on the feeding speed of the wire rod such that the temperature of the wire rod at the downstream end of the soaking section becomes the target temperature and in that the controller controls the current to be supplied to the induction coil so as to satisfy I=k×v 0.5 +ΔI, wherein I is the current to be supplied to the induction coil, v is the feeding speed of the wire rod, k is a proportional constant which is calculated by k=Io/(vo) 0.5, Io is the current to be supplied to the induction coil in the constant speed mode, vo is a feeding speed of the wire rod in the constant speed mode, and ΔI is a standby current.
A power converter system for a railway vehicle, comprising: a first filter circuit (11,12) having an input side connected to a current collector that receives a direct-current voltage from a direct current power supply, and a grounding side connected to a track of the vehicle; an inverter device that receives the direct-current voltage received from said current collector via the first filter circuit and converts the direct-current voltage into an alternating-current voltage for driving an alternating-current motor; and a second filter circuit that comprises a reactor and a capacitor connected in series to each other and has one end connected to said input side of the first filter circuit and another end connected to the grounding side of the first filter circuit, characterised in that the second filter circuit is adapted to match a resonant frequency of a circuit comprising the first and second filter circuits to a power-supply frequency of an alternating-current power supply which is a power source for said direct-current power supply, and to increase the input impedance at said power-supply frequency while preventing a high-frequency component produced by the inverter from flowing towards the power supply system. a first filter circuit (11,12) having an input side connected to a current collector that receives a direct-current voltage from a direct current power supply, and a grounding side connected to a track of the vehicle; an inverter device that receives the direct-current voltage received from said current collector via the first filter circuit and converts the direct-current voltage into an alternating-current voltage for driving an alternating-current motor; and a second filter circuit that comprises a reactor and a capacitor connected in series to each other and has one end connected to said input side of the first filter circuit and another end connected to the grounding side of the first filter circuit, characterised in that the second filter circuit is adapted to match a resonant frequency of a circuit comprising the first and second filter circuits to a power-supply frequency of an alternating-current power supply which is a power source for said direct-current power supply, and to increase the input impedance at said power-supply frequency while preventing a high-frequency component produced by the inverter from flowing towards the power supply system.
Luminaire (100, 300, 400, 500, 600, 700, 800) comprising an array of LEDs (120, 320, 420, 520, 620, 720, 820) comprising a plurality of different coloured LEDs from the group of blue LED, green LED, red LED, yellow LED, amber LED, cyan LED, and white LED, a reflecting tube (140, 240, 340, 440, 540, 640, 740, 840) having an entrance aperture (142, 242, 342, 442, 542, 642, 742, 842), an exit aperture (146, 246, 346, 446, 546ab, 646, 746, 846), a reflective circumferential wall (148, 248, 348, 448, 548, 648, 748, 848) extending between said apertures, and an optic axis (150, 250, 350, 450, 550, 650, 750, 850) extending between said apertures centrally of said wall, said array of LEDs being arranged in said entrance aperture, said circumferential wall being arranged to reflect and mix light from said array of LEDs, at least one further light source (160, 360, 460, 560, 660, 760, 860) arranged circumferentially around, outside of and separate from said reflecting tube, wherein the at least one further light source comprises at least one LED chosen from the group of deep blue LEDs, royal blue LEDs, deep red LEDs and UV LEDs, and at least one optical component (170, 370, 470, 570, 770, 870) arranged to transmit light emitted from the at least one further light source into light emitted from the array of LEDs.
A compound of imidazopyridine thioglycolic acid derivatives thereof, with formula I or III. wherein R 1 is -CH 2 -, - ∗ CH 2 (CH 3)-, -CH(CH 3) 2 - or -CH 2 CH 2 CH 2 -; R2 is -OH or -OCH 2 CH 3; Ar is an optionally substituted 1-naphthyl, 2,4,6-trimethylphenyl, 4-cyclopropyl-1-naphthyl or 2-naphthyl. R 1 is -CH 2 -, - ∗ CH 2 (CH 3)-, -CH(CH 3) 2 - or -CH 2 CH 2 CH 2 -; R2 is -OH or -OCH 2 CH 3; Ar is an optionally substituted 1-naphthyl, 2,4,6-trimethylphenyl, 4-cyclopropyl-1-naphthyl or 2-naphthyl.