mhurhangee/patent-ind-claim-en huggingface dataset:
A duct suitable for use in a loudspeaker housing or incorporated within an acoustic device for use with a movable loudspeaker element (12; 35), characterised in that the duct is a sound-suppressing duct incorporating at least one vortex chamber (52, 53, 50; 78, 79, 77; 94; 141; 157; 165), the or each vortex chamber comprising a generally circular chamber defined by a generally circular wall, the duct further comprising a first channel and a second channel (54, 55, 56; 80, 81, 82; 92; 96, 97; 122; 143; 158; 166a, 166b) which are connected with the or each vortex chamber so that the vortex chamber communicates with via the first and second channel (54, 55, 56; 80, 81, 82; 92; 96, 97; 122; 143; 158; 166a, 166b) at first and second spaced apart positions around the wall, wherein at each of the first and second spaced apart positions the channel is tangentially aligned relative to the vortex chamber so any air flow through the first or second channel (54, 55, 56; 80, 81, 82; 92; 96, 97; 122; 143; 158; 166a, 166b) into the chamber flows in a circular path around the chamber, the direction of flow around the chamber being the same whether air flows in at the first position or in at the second position, so as to create a vortex in the vortex chamber (52, 53, 50; 78, 79, 77; 94; 141; 157; 165) that inhibits through flow of air, such that the vortex chamber absorbs sound waves propagating through the duct and so suppresses sound waves propagating through the duct.
A method for recovering ammonium perchlorate contained in a solid composite propellant, said method comprising the steps consisting in: i) contacting the solid composite propellant, in the form of pieces, with a first aqueous solution; ii) subjecting said pieces of solid composite propellant present in said first aqueous solution to fragmentation so as to obtain fragments of solid composite propellant the largest dimension of which does not exceed 10 mm; iii) adding, to the mixture obtained in step ii), a second aqueous solution in which the amount of water is such that the W/P mass ratio is between 2.5 and 6.8 with W representing the sum of the mass of water in the first aqueous solution and the mass of water in the second aqueous solution and P representing the mass of solid composite propellant present in the form of pieces, and stirring the whole whereby an aqueous suspension is obtained; iv) keeping said stirring for a time sufficient for the ammonium perchlorate to solubilise in the continuous phase of said suspension, said solubilisation being monitored by measuring the ionic conductivity of said aqueous suspension; v) separating the dispersed phase and the continuous phase of said aqueous suspension once the ionic conductivity reaches a stabilized value of less than 60 mS/cm; steps (i) to (iv) of said method being carried out at a temperature, identical or different, of less than or equal to 50°C. i) contacting the solid composite propellant, in the form of pieces, with a first aqueous solution; ii) subjecting said pieces of solid composite propellant present in said first aqueous solution to fragmentation so as to obtain fragments of solid composite propellant the largest dimension of which does not exceed 10 mm; iii) adding, to the mixture obtained in step ii), a second aqueous solution in which the amount of water is such that the W/P mass ratio is between 2.5 and 6.8 with W representing the sum of the mass of water in the first aqueous solution and the mass of water in the second aqueous solution and P representing the mass of solid composite propellant present in the form of pieces, and stirring the whole whereby an aqueous suspension is obtained; iv) keeping said stirring for a time sufficient for the ammonium perchlorate to solubilise in the continuous phase of said suspension, said solubilisation being monitored by measuring the ionic conductivity of said aqueous suspension; v) separating the dispersed phase and the continuous phase of said aqueous suspension once the ionic conductivity reaches a stabilized value of less than 60 mS/cm;
A system for generating a base point database for use by a full authority digital engine control (FADEC) to control a gas turbine engine during flight, the system comprising: a memory configured to store a model of the gas turbine engine , characterised in that the system further comprises a model generation processor coupled to the memory and configured to: perform an initial simulation of the gas turbine engine using the model to determine ranges of sensitivity of desired engine parameters throughout an operating envelope , divide the operating envelope into a multiple regions based on the ranges of sensitivity of the desired engine parameters, select multiple combinations of base points within each of the multiple regions , perform an additional simulation of the gas turbine engine to determine an accuracy of interpolation between each of the multiple combinations of base points for each of the multiple regions , and select final base points from the multiple combinations of base points based on the accuracy. perform an initial simulation of the gas turbine engine using the model to determine ranges of sensitivity of desired engine parameters throughout an operating envelope , divide the operating envelope into a multiple regions based on the ranges of sensitivity of the desired engine parameters, select multiple combinations of base points within each of the multiple regions , perform an additional simulation of the gas turbine engine to determine an accuracy of interpolation between each of the multiple combinations of base points for each of the multiple regions , and select final base points from the multiple combinations of base points based on the accuracy.
A method for resource allocation, the method comprising: defining a non-contiguous multiple resource unit, MRU, in the bandwidth of a channel ; wherein the channel comprises a plurality of resource units, RUs, and wherein the MRU is defined based on non-punctured RUs after puncturing one or more of the RUs of the channel and/or is defined by aggregating two or more non-adjacent RUs of the channel ; and allocating the MRU to a wireless station . defining a non-contiguous multiple resource unit, MRU, in the bandwidth of a channel ; wherein the channel comprises a plurality of resource units, RUs, and wherein the MRU is defined based on non-punctured RUs after puncturing one or more of the RUs of the channel and/or is defined by aggregating two or more non-adjacent RUs of the channel ; and allocating the MRU to a wireless station .
A computer-implemented method for enabling recovery of one or more digital assets held on a blockchain by a user under a public key Pk after a corresponding private key Sk for accessing the one or more digital assets is lost, the computer implemented method comprising: setting access for the one or more digital assets held on the blockchain under the public key Pk and accessible using the corresponding private key Sk of the user such that the one or more digital assets are also accessible using a private key x shared by a congress on the blockchain network, the congress comprising a group of users on the blockchain network, each member of the congress having a private key share x i , the private key share x i to be used in a threshold signature scheme in which at least a threshold of private key shares must be used to generate a valid signature through the combination of partial signatures of the congress to access the one or more digital assets on behalf of the user, whereby if the private key Sk is lost then the congress can be notified by the user to access the one or more digital assets using the threshold signature scheme on behalf of the user, the user proving their identity to the congress by providing a recovery password RPw, wherein the recovery password RPw has an entropy which is lower than that of the private key Sk, wherein a recovery deposit is set that needs to be provided when an attempt to recover the one or more digital assets is made and further wherein the digital assets are only accessed if a threshold number of members of the congress confirm a validity of a user request, wherein the user request comprises a request for a provision of a recovery password and providing a recovery deposit, and the confirming of the validity of the user request comprises providing the requested recovery password and the recovery deposit. setting access for the one or more digital assets held on the blockchain under the public key Pk and accessible using the corresponding private key Sk of the user such that the one or more digital assets are also accessible using a private key x shared by a congress on the blockchain network, the congress comprising a group of users on the blockchain network, each member of the congress having a private key share x i , the private key share x i to be used in a threshold signature scheme in which at least a threshold of private key shares must be used to generate a valid signature through the combination of partial signatures of the congress to access the one or more digital assets on behalf of the user, whereby if the private key Sk is lost then the congress can be notified by the user to access the one or more digital assets using the threshold signature scheme on behalf of the user, the user proving their identity to the congress by providing a recovery password RPw, wherein the recovery password RPw has an entropy which is lower than that of the private key Sk,
A system for providing high flow vacuum control to an end effector of an articulated arm, said system comprising: a high flow vacuum source that provides an opening at a distal end of the end effector with an area of high flow vacuum at the end effector such that an object is engageable at the opening for movement by the articulated arm while permitting substantial flow of air through the opening, wherein the opening is provided by a cover , said cover including a compliant outwardly facing material, and wherein the opening of the cover includes a plurality of openings , said plurality of openings providing more air flow at the central region of the cover than at the peripheral region of the cover .
A system for guiding a flexible curtain for at least partially closing an opening, said system comprising: an upper, a lower and a lateral frame element which delimit an opening defining an area; and a support strip , wherein the lateral frame element is configured to fix a first edge of a flexible curtain to one side of an opening; wherein the support strip is configured to hold a second edge of a flexible curtain ; wherein an upper and a lower end of the support strip are displaceably guided in the upper and lower frame elements ; wherein the lower frame element comprises a guide area ; wherein the lower end of the support strip comprises a sliding element ; wherein the guide area and the sliding element displaceably engage with each other by means of connection elements (11, 21; 91, 92); characterized in that at least one of the connection elements (11, 21; 91, 92) is configured in a deformable manner such that a movement of the support strip perpendicular to the area defined by the opening is made possible. an upper, a lower and a lateral frame element which delimit an opening defining an area; and a support strip , wherein the lateral frame element is configured to fix a first edge of a flexible curtain to one side of an opening; wherein the support strip is configured to hold a second edge of a flexible curtain ; wherein an upper and a lower end of the support strip are displaceably guided in the upper and lower frame elements ; wherein the lower frame element comprises a guide area ; wherein the lower end of the support strip comprises a sliding element ; wherein the guide area and the sliding element displaceably engage with each other by means of connection elements (11, 21; 91, 92); characterized in that at least one of the connection elements (11, 21; 91, 92) is configured in a deformable manner such that a movement of the support strip perpendicular to the area defined by the opening is made possible.
A fan blade attachment root (100;130;150) for a gas turbine engine, comprising: a leading edge (106;160); a dovetail extending aft of the leading edge (106; 160); and a trench (104;124;134;154) formed in a bottom surface of the dovetail ; characterized by : the trench (104;124;134) terminating at an end surface (108;138;158) disposed at an interior area of the surface of the dovetail , wherein an axial length (L1;L2) of the trench (104;124;134;154) is less than an axial length (L3) of the attachment root (100;130;150) and at least half the axial length (L 3 ) of the attachment root (100;130;150). a leading edge (106;160); a dovetail extending aft of the leading edge (106; 160); and a trench (104;124;134;154) formed in a bottom surface of the dovetail ;
A manufacturing method of a display device, comprising: stacking a release layer (RL) over a first substrate; forming a conductor pattern (CP) over the release layer (RL); forming a sacrificial layer (SL) over the conductor pattern (CP); forming a second substrate including a polymer layer over the sacrificial layer (SL); forming an electronic element (EE) including a conductor (CT) over the second substrate; forming a pattern corresponding to the conductor pattern (CP) in the sacrificial layer (SL) by removing a portion of the sacrificial layer (SL) corresponding to the conductor pattern (CP) in the sacrificial layer (SL);transferring the conductor pattern (CP) from the release layer (RL) to a surface of the second substrate; and removing the first substrate, the release layer (RL), and the sacrificial layer (SL). stacking a release layer (RL) over a first substrate; forming a conductor pattern (CP) over the release layer (RL); forming a sacrificial layer (SL) over the conductor pattern (CP); forming a second substrate including a polymer layer over the sacrificial layer (SL); forming an electronic element (EE) including a conductor (CT) over the second substrate; forming a pattern corresponding to the conductor pattern (CP) in the sacrificial layer (SL) by removing a portion of the sacrificial layer (SL) corresponding to the conductor pattern (CP) in the sacrificial layer (SL);transferring the conductor pattern (CP) from the release layer (RL) to a surface of the second substrate; and removing the first substrate, the release layer (RL), and the sacrificial layer (SL).
A method for characterizing fluid pumping effects on at least one acoustic property of a subsurface formation, comprising: (a) determining at least one acoustic property of the subsurface formation prior to fluid pumping, the determining at least one acoustic property comprising determining images at a plurality of points in the subsurface formation obtained by repeatedly imparting seismic energy into the subsurface formation, detecting seismic energy using a plurality of seismic receivers disposed in a selected pattern above the subsurface formation, stacking signals from the receivers generated in response to the detected seismic energy, and beam steering the response of the plurality of receivers to each of the image points; and characterized by comprising (b) during pumping of fluid into the subsurface formation, detecting passive seismic signals related to fluid movement in the subsurface formation; (c) determining a place of origin of the passive seismic signals; (d) actuating a seismic energy source (W) and beam steering an output thereof toward the determined place of origin; (e) repeating the determining the at least one acoustic property for the place of origin; (f) repeating (b), (c), (d) and (e) until the pumping is completed; and (g) determining a change in the at least one acoustic property at least at one place of origin between a time prior to the pumping of the fluid and after the pumping thereof. (a) determining at least one acoustic property of the subsurface formation prior to fluid pumping, the determining at least one acoustic property comprising determining images at a plurality of points in the subsurface formation obtained by repeatedly imparting seismic energy into the subsurface formation, detecting seismic energy using a plurality of seismic receivers disposed in a selected pattern above the subsurface formation, stacking signals from the receivers generated in response to the detected seismic energy, and beam steering the response of the plurality of receivers to each of the image points; and characterized by comprising (b) during pumping of fluid into the subsurface formation, detecting passive seismic signals related to fluid movement in the subsurface formation; (c) determining a place of origin of the passive seismic signals; (d) actuating a seismic energy source (W) and beam steering an output thereof toward the determined place of origin; (e) repeating the determining the at least one acoustic property for the place of origin; (f) repeating (b), (c), (d) and (e) until the pumping is completed; and (g) determining a change in the at least one acoustic property at least at one place of origin between a time prior to the pumping of the fluid and after the pumping thereof.
Method for implicit addressing of electronic units (SLC) for data transmission based on using comparison units and counter units, comprising: providing (S504) within a first unit (SLC1) and within a second unit (SLC2) respectively a counter unit (IAARn), a comparison unit and a storing unit (LBARn) for the storage of an identifier, allocating (S506) a first identifier to the first unit (SLC1), allocating (S506) a second identifier that is different from the first identifier to the second unit (SLC2), setting (S508) the same counter value in the counter units of both units (SLC1, SLC2), after setting (S508) the counter values, comparing (S520) the counter value in the first unit (SLC1) to the first identifier and comparing (S530) the counter value in the second unit (SLC2) to the second identifier, based on equality of the comparison in the first unit (SLC1) sending (S522) of first data from the first unit or (S522) assigning of first data to the first unit (SLC1), based on inequality (S531) of the comparison in the second unit (SLC2) no sending of data nor assigning of data to the second unit (SLC2), and counting up (S526, S536) or down the counter value in both units (SLC1, SLC2) after receiving a block read command or a block write command or a mixed read/write command from a super ordinated control unit (MIC). providing (S504) within a first unit (SLC1) and within a second unit (SLC2) respectively a counter unit (IAARn), a comparison unit and a storing unit (LBARn) for the storage of an identifier, allocating (S506) a first identifier to the first unit (SLC1), allocating (S506) a second identifier that is different from the first identifier to the second unit (SLC2), setting (S508) the same counter value in the counter units of both units (SLC1, SLC2), after setting (S508) the counter values, comparing (S520) the counter value in the first unit (SLC1) to the first identifier and comparing (S530) the counter value in the second unit (SLC2) to the second identifier, based on equality of the comparison in the first unit (SLC1) sending (S522) of first data from the first unit or (S522) assigning of first data to the first unit (SLC1), based on inequality (S531) of the comparison in the second unit (SLC2) no sending of data nor assigning of data to the second unit (SLC2), and counting up (S526, S536) or down the counter value in both units (SLC1, SLC2) after receiving a block read command or a block write command or a mixed read/write command from a super ordinated control unit (MIC).
A back light unit comprising: a light guide film (LGF) including a light entering part (LIN) defined at one side, a light guiding part (LWG) extending from the one side to an opposite side of the one side, and a light radiating part (LOT) defined on one plane surface; a light radiator (VHOE) disposed on the light radiating part (LOT); a first light source (LS ) disposed near to the light entering part (LIN); and a light collimator (WLC) including a horizontal taper part (HWD) including a light incident surface (LIS) facing the first light source (LS1), wherein the horizontal taper part (HWD) has two side surfaces expanding from the light incident surface (LIS) with the same height and collimates the expanding light from the first light source (LS1) on a horizontal plane; and a vertical wedge part (VWD) extending from the horizontal taper part (HWD), wherein the vertical wedge part (VWD) collimates the expanding light from the first light source (LS1) on a vertical plane, wherein at least the vertical wedge part (VWD) is disposed at the light entering part (LIN) and is attached on said one plane surface of the light guide film (LGF) by an adhesive layer (AH) wherein the light collimator (WLC) receives an expanding light from the first light source (LS1), converts the expanding light into a collimated light, and provides the collimated light to the light entering part (LIN). a light guide film (LGF) including a light entering part (LIN) defined at one side, a light guiding part (LWG) extending from the one side to an opposite side of the one side, and a light radiating part (LOT) defined on one plane surface; a light radiator (VHOE) disposed on the light radiating part (LOT); a first light source (LS ) disposed near to the light entering part (LIN); and a light collimator (WLC) including a horizontal taper part (HWD) including a light incident surface (LIS) facing the first light source (LS1), wherein the horizontal taper part (HWD) has two side surfaces expanding from the light incident surface (LIS) with the same height and collimates the expanding light from the first light source (LS1) on a horizontal plane; and a vertical wedge part (VWD) extending from the horizontal taper part (HWD), wherein the vertical wedge part (VWD) collimates the expanding light from the first light source (LS1) on a vertical plane, wherein at least the vertical wedge part (VWD) is disposed at the light entering part (LIN) and is attached on said one plane surface of the light guide film (LGF) by an adhesive layer (AH) wherein the light collimator (WLC) receives an expanding light from the first light source (LS1), converts the expanding light into a collimated light, and provides the collimated light to the light entering part (LIN).