mhurhangee/patent-ind-claim-en huggingface dataset:
A database authorization record validity verification method, wherein the method comprises: determining an authorization record set in need of revocation (S101), wherein the authorization record set comprises a plurality of authorization records; revoking the authorization record set in need of revocation by setting a single time validity attribute value for the determined set to a current or future time (S102), wherein the time validity attribute value is specific to the authorization record set, and wherein all the authorization records of the authorization record set are revoked using a single data modification; determining an authorization record to be verified (S201); obtaining a validation moment of the authorization record to be verified (S202); obtaining a time validity attribute value of the authorization record set that comprises the authorization record to be verified (S203); and determining that the authorization record to be verified is invalid when the obtained validation moment is earlier than the obtained time validity attribute value (S204). determining an authorization record set in need of revocation (S101), wherein the authorization record set comprises a plurality of authorization records; revoking the authorization record set in need of revocation by setting a single time validity attribute value for the determined set to a current or future time (S102), wherein the time validity attribute value is specific to the authorization record set, and wherein all the authorization records of the authorization record set are revoked using a single data modification; determining an authorization record to be verified (S201); obtaining a validation moment of the authorization record to be verified (S202); obtaining a time validity attribute value of the authorization record set that comprises the authorization record to be verified (S203); and determining that the authorization record to be verified is invalid when the obtained validation moment is earlier than the obtained time validity attribute value (S204).
A neutral point potential control method for a single-phase NPC inverter, the single-phase NPC inverter including a plurality of capacitors which are connected in series between both terminals of a DC voltage source and by which a DC voltage (Vdc) between the both terminals is divided into halves with a voltage division point being a neutral point (NP); an inverter circuit which has a plurality of switches (Slu-S4u, S1v-S4v) and converts the DC voltage into an AC voltage; and a switching signal generation circuit which controls ON/OFF of the switches of the inverter circuit, characterized by : in the switching signal generation circuit , providing a plurality of carrier patterns formed by dividing triangular wave carrier signals every 1/2 cycle at a timing when the triangular wave carrier signals cross each other; selecting, from the plurality of carrier patterns, a carrier pattern by which a neutral point potential is balanced on the basis of an upper arm DC voltage detection value (Ea), a lower arm DC voltage detection value (Eb) and an output current detection value (lout); and generating an ON/OFF signal for the each switch by performing a PWM operation that compares the selected carrier pattern with an output voltage command (Vref). in the switching signal generation circuit , providing a plurality of carrier patterns formed by dividing triangular wave carrier signals every 1/2 cycle at a timing when the triangular wave carrier signals cross each other; selecting, from the plurality of carrier patterns, a carrier pattern by which a neutral point potential is balanced on the basis of an upper arm DC voltage detection value (Ea), a lower arm DC voltage detection value (Eb) and an output current detection value (lout); and generating an ON/OFF signal for the each switch by performing a PWM operation that compares the selected carrier pattern with an output voltage command (Vref).
A panel structure for a drawer , which comprises a panel base and a panel attachment placed thereon, which comprises at least the following features: two support assemblies and at least one surface element , wherein the two support assemblies each comprise a receptacle channel having an again U-shaped cross section on the sides thereof facing toward the surface element , wherein a corresponding first or second edge , respectively, of the surface element engages in each of the receptacle channels , wherein a frame base bracket is provided between the two support assemblies , which is arranged on the panel base and below the surface element and also has a receptacle channel having a U-shaped cross section on its side facing toward the surface element , in which a corresponding further edge of the surface element engages, characterized in that the frame base bracket and the two support assemblies together form a U-shaped, non-peripherally-closed frame in the installed position on the panel structure , wherein one or both support assemblies is/are formed as an angle arrangement, wherein the one support assembly is fastenable on the panel base and on the front panel .
Process for manufacturing alkyl 7-amino-5-methyl- -oxadiazolo[3,4-b]pyridine-carboxylate 4 wherein R is C 1-3 -alkyl, comprising (a) reacting malononitrile with sodium nitrite in the presence of a suitable acid in a suitable solvent under slight overpressure; (b) reacting the reaction mixture obtained by step (a) with a suitable toluenesulfonic acid derivative to obtain compound 1 ; (c) optionally isolating compound 1 ; (d) reacting compound 1 in a suitable solvent with hydroxylamine to obtain compound 2 ; (e) optionally isolating compound 2 ; (f) cyclisation of compound 2 in the presence of a base under heating to about 70°C in a suitable solvent to obtain the oxadiazole 3 ; (g) removal of water from the reaction mixture by evaporation under reduced pressure; (h) removal of p-toluensulfonic acid salt(s) by filtration; (i) in situ -condensation of compound 3 in the reaction mixture obtained after step (h) with the appropriate beta-keto ester of formula , wherein R is C 1-3 -alkyl, in the presence of a Lewis acid in a suitable solvent; and (j) isolating compound 4 . (a) reacting malononitrile with sodium nitrite in the presence of a suitable acid in a suitable solvent under slight overpressure; (b) reacting the reaction mixture obtained by step (a) with a suitable toluenesulfonic acid derivative to obtain compound 1 ; (c) optionally isolating compound 1 ; (d) reacting compound 1 in a suitable solvent with hydroxylamine to obtain compound 2 ; (e) optionally isolating compound 2 ; (f) cyclisation of compound 2 in the presence of a base under heating to about 70°C in a suitable solvent to obtain the oxadiazole 3 ; (g) removal of water from the reaction mixture by evaporation under reduced pressure; (h) removal of p-toluensulfonic acid salt(s) by filtration; (i) in situ -condensation of compound 3 in the reaction mixture obtained after step (h) with the appropriate beta-keto ester of formula , wherein R is C 1-3 -alkyl, in the presence of a Lewis acid in a suitable solvent; and (j) isolating compound 4 .
A method implemented by a station, STA, acting as an Access Point, AP, in a Wireless Local Area Network, WLAN, to update a Network Allocation Vector, NAV, maintained by the STA, the method comprising: receiving a first Physical Layer Protocol Data Unit, PPDU; said method being characterized by : determining whether a duration indicated in a control field of a preamble portion of the first PPDU is greater than a current NAV value; determining whether the first PPDU is received as an immediate response to a second PPDU previously transmitted by the STA; and updating the NAV maintained by the STA using the duration indicated in the control field of the preamble portion of the first PPDU in response to a determination that the duration indicated in the control field of the preamble portion of the first PPDU is greater than the current NAV value and the first PPDU is not received as an immediate response to the second PPDU previously transmitted by the STA. determining whether a duration indicated in a control field of a preamble portion of the first PPDU is greater than a current NAV value; determining whether the first PPDU is received as an immediate response to a second PPDU previously transmitted by the STA; and updating the NAV maintained by the STA using the duration indicated in the control field of the preamble portion of the first PPDU in response to a determination that the duration indicated in the control field of the preamble portion of the first PPDU is greater than the current NAV value and the first PPDU is not received as an immediate response to the second PPDU previously transmitted by the STA.
A nickel oxide ore smelting method for producing ferronickel by reducing a mixture containing a nickel oxide ore, the method comprising: a mixing treatment step for mixing at least the nickel oxide ore and a carbonaceous reducing agent so that an amount of the carbonaceous reducing agent is a proportion of 5.0% or more and 60.0% or less when the amount of carbonaceous reducing agent required for reducing nickel oxide contained in the nickel oxide ore and iron oxide without excess or deficiency is taken as 100%; a mixture-molding step for molding the mixture obtained into a pellet having a cubic shape, a rectangular parallelepiped shape or a cylindrical shape; a reducing step for heating the pellet laminate, laminated in two or more stages in height direction, charging the pellet laminate into a movable hearth furnace and heating the pellet laminate at a reducing temperature of 1250 °C or more and 1450 °C or less and metallizing nickel oxide and iron oxide contained in the pellet laminate to form a shell on a surface of the pellet laminate, slag of a liquid phase is generated from slag components contained in the pellet laminate, and a metal composed of ferronickel and slag composed of an oxide are separately generated in one pellet laminate in the reducing step; and a separating step for separating slag generated from the pellet laminate and obtaining ferronickel after the reducing step is performed. a mixing treatment step for mixing at least the nickel oxide ore and a carbonaceous reducing agent so that an amount of the carbonaceous reducing agent is a proportion of 5.0% or more and 60.0% or less when the amount of carbonaceous reducing agent required for reducing nickel oxide contained in the nickel oxide ore and iron oxide without excess or deficiency is taken as 100%; a mixture-molding step for molding the mixture obtained into a pellet having a cubic shape, a rectangular parallelepiped shape or a cylindrical shape; a reducing step for heating the pellet laminate, laminated in two or more stages in height direction, charging the pellet laminate into a movable hearth furnace and heating the pellet laminate at a reducing temperature of 1250 °C or more and 1450 °C or less and metallizing nickel oxide and iron oxide contained in the pellet laminate to form a shell on a surface of the pellet laminate, slag of a liquid phase is generated from slag components contained in the pellet laminate, and a metal composed of ferronickel and slag composed of an oxide are separately generated in one pellet laminate in the reducing step; and
An electrosurgical device , comprising: a first electrode set configured to deliver CUT radiofrequency energy; a second electrode set configured to deliver COAG radiofrequency energy; and a switch assembly configured to allow for selection between at least three modes to facilitate operation of the electrosurgical device in the at least three modes, the at least three modes comprising: a first, neutral mode, in which the electrosurgical device is configured such that no radiofrequency energy is delivered to either the first electrode set or the second electrode set ; a second, CUT mode, in which the electrosurgical device is configured such that CUT radiofrequency energy may be delivered to the first electrode set through the switch assembly ; and a third, COAG mode, in which the electrosurgical device is configured such that COAG radiofrequency energy may be delivered to the second electrode set through the switch assembly ; characterized in that the switch assembly is further configured to allow for selection of a first sub-mode of the CUT mode in which an electrical path between the CUT electrode set and a radiofrequency source is closed but an electrical path associated with a signal circuit for activating the radiofrequency source is open. a first electrode set configured to deliver CUT radiofrequency energy; a second electrode set configured to deliver COAG radiofrequency energy; and a switch assembly configured to allow for selection between at least three modes to facilitate operation of the electrosurgical device in the at least three modes, the at least three modes comprising: a first, neutral mode, in which the electrosurgical device is configured such that no radiofrequency energy is delivered to either the first electrode set or the second electrode set ; a second, CUT mode, in which the electrosurgical device is configured such that CUT radiofrequency energy may be delivered to the first electrode set through the switch assembly ; and a third, COAG mode, in which the electrosurgical device is configured such that COAG radiofrequency energy may be delivered to the second electrode set through the switch assembly ; a first, neutral mode, in which the electrosurgical device is configured such that no radiofrequency energy is delivered to either the first electrode set or the second electrode set ; a second, CUT mode, in which the electrosurgical device is configured such that CUT radiofrequency energy may be delivered to the first electrode set through the switch assembly ; and a third, COAG mode, in which the electrosurgical device is configured such that COAG radiofrequency energy may be delivered to the second electrode set through the switch assembly ; characterized in that the switch assembly is further configured to allow for selection of a first sub-mode of the CUT mode in which an electrical path between the CUT electrode set and a radiofrequency source is closed but an electrical path associated with a signal circuit for activating the radiofrequency source is open.
A fuel cell module comprising a plurality of power generation cells each including an electrolyte electrode assembly and configured to perform power generation by utilizing a fuel gas and an oxygen-containing gas, wherein the plurality of power generation cells are arranged in a circle to form an annular structural body , the plurality of power generation cells are stacked together along a circumferential direction of the annular structural body, and a stacking load is applied to the plurality of power generation cells in the circumferential direction; each of the plurality of power generation cells comprises an electrically conductive base plate including a first plate part and a second plate part extending in directions intersecting with each other, the base plate is V-shaped when seen from an axial direction of the annular structural body; a first reactant gas flow field is provided between power generation cells that are adjacent to each other in the circumferential direction, among the plurality of power generation cells, to allow one of the fuel gas and the oxygen-containing gas to flow along the first reactant gas flow field ; a ridge protruding outward is provided in the base plate to provide the first reactant gas flow field by the ridge; and insulating material is provided on the ridge.
Method for establishing access to the removal and installation of main shafts , gearbox , generator and other main parts located in the nacelle of a wind turbine , where the nacelle roof remains on the nacelle and comprising the following operations; - mounting at least two sets of pairs of opposing guide transfer mechanisms , on the inner side of the nacelle respectively near the front end of the nacelle closest to the shaft, and the rear end of the nacelle, the upwardly facing free ends of each guide transfer mechanism comprising at least one first roller , - displacement of the upwardly facing free ends of the guide transfer mechanisms to abutment with the abutment flange of the roof relative to the nacelle base by jacks or winches, - displacement of the roof in backwards direction, away from the front end of the nacelle to a position where a part of the roof is cantilevered over the rear edge of the nacelle. - mounting at least two sets of pairs of opposing guide transfer mechanisms , on the inner side of the nacelle respectively near the front end of the nacelle closest to the shaft, and the rear end of the nacelle, the upwardly facing free ends of each guide transfer mechanism comprising at least one first roller , - displacement of the upwardly facing free ends of the guide transfer mechanisms to abutment with the abutment flange of the roof relative to the nacelle base by jacks or winches, - displacement of the roof in backwards direction, away from the front end of the nacelle to a position where a part of the roof is cantilevered over the rear edge of the nacelle.
A sensor device for controlling an electrical device, wherein the sensor device comprises a controller and a range sensor ; wherein the sensor device is configured to be mounted in an orientation relative to gravity; wherein the range sensor is configured to: - obtain the orientation of the sensor device relative to gravity; - operate in a first detection mode for detecting an object within a first predetermined distance range from the range sensor when the orientation is in a first predetermined orientation; - operate in a second detection mode for detecting the object within a second predetermined distance range from the range sensor when the orientation is in a second predetermined orientation; wherein the first predetermined orientation is different to the second predetermined orientation; and wherein the first detection mode is different to the second detection mode; wherein the controller is configured to output a control signal arranged for controlling the electrical device upon the range sensor detecting the object. wherein the sensor device is configured to be mounted in an orientation relative to gravity; wherein the range sensor is configured to: - obtain the orientation of the sensor device relative to gravity; - operate in a first detection mode for detecting an object within a first predetermined distance range from the range sensor when the orientation is in a first predetermined orientation; - operate in a second detection mode for detecting the object within a second predetermined distance range from the range sensor when the orientation is in a second predetermined orientation; - obtain the orientation of the sensor device relative to gravity; - operate in a first detection mode for detecting an object within a first predetermined distance range from the range sensor when the orientation is in a first predetermined orientation; - operate in a second detection mode for detecting the object within a second predetermined distance range from the range sensor when the orientation is in a second predetermined orientation; wherein the first predetermined orientation is different to the second predetermined orientation; and wherein the first detection mode is different to the second detection mode; wherein the controller is configured to output a control signal arranged for controlling the electrical device upon the range sensor detecting the object.
Method for displaying a current position of a slipstream of a vehicle , in particular of an electric bicycle, wherein the vehicle has at least one speed sensor , a control unit and a projector , wherein the method comprises at least the following steps: • detecting a current speed of the vehicle by means of the speed sensor , • detecting a size (A) of the front face of the vehicle representing the flow resistance in the direction of travel, • determining the current position of the slipstream of the vehicle in accordance with the detected speed and the detected size (A) of the front face by means of the control unit , and • first projection of the determined position of the slipstream, in particular of a boundary of the determined position, rearward in the direction of the longitudinal axis of the vehicle and downward onto an underlying surface of a section of route in the direction of the vertical axis of the vehicle by means of the projector . • detecting a current speed of the vehicle by means of the speed sensor , • detecting a size (A) of the front face of the vehicle representing the flow resistance in the direction of travel, • determining the current position of the slipstream of the vehicle in accordance with the detected speed and the detected size (A) of the front face by means of the control unit , and • first projection of the determined position of the slipstream, in particular of a boundary of the determined position, rearward in the direction of the longitudinal axis of the vehicle and downward onto an underlying surface of a section of route in the direction of the vertical axis of the vehicle by means of the projector .
An additive manufacturing system comprising: a build material distributor to distribute build material in a build area of the system; and comprising: a fluid ejector movable across the build area at a maximum speed of less than or equal to 1.016 m/s (40 in/s), the fluid ejector comprising a nozzle having a non-circular bore ; wherein the fluid ejector comprises: an ejection chamber adjacent the non-circular bore, the ejection chamber having a port having a first minor dimension; an inlet wider than the port, wherein the inlet is to direct fluid from a fluid supply to the port for entry into the ejection chamber; and a pillar within the inlet to form a passage between the pillar and a side of the inlet, the passage having a second minor dimension greater than the first minor dimension. a fluid ejector movable across the build area at a maximum speed of less than or equal to 1.016 m/s (40 in/s), the fluid ejector comprising a nozzle having a non-circular bore ; wherein the fluid ejector comprises: an ejection chamber adjacent the non-circular bore, the ejection chamber having a port having a first minor dimension; an inlet wider than the port, wherein the inlet is to direct fluid from a fluid supply to the port for entry into the ejection chamber; and a pillar within the inlet to form a passage between the pillar and a side of the inlet, the passage having a second minor dimension greater than the first minor dimension. an ejection chamber adjacent the non-circular bore, the ejection chamber having a port having a first minor dimension; an inlet wider than the port, wherein the inlet is to direct fluid from a fluid supply to the port for entry into the ejection chamber; and a pillar within the inlet to form a passage between the pillar and a side of the inlet, the passage having a second minor dimension greater than the first minor dimension.
An optical network switching node comprising N input light-paths, where N>1, M drop banks and up to (N-1) contention mitigation switch structures , wherein each drop bank comprises a multicast switch, MCS, with input lines and output lines and each contention mitigation switch structure comprises a power switch with the output from the selective optical switch directed through light channels to inputs of the MCS , wherein each of the N input light paths is divided into a subset providing input to each of contention mitigation switch structures and a further subset providing input to each of the drop banks wherein the contention mitigation switch structures are adapted to mitigate the problem of two distinct optical signals converging on the node on different fibers but containing the same wavelength and bound for a common optical pathway.