mhurhangee/patent-ind-claim-en huggingface dataset:
A method of calibrating an inertial measurement unit comprising a plurality of accelerometers, a plurality of gyroscopes, and a plurality of magnetometers, the method comprising: collecting data from the inertial measurement unit, while stationary as a first step, in a local environment where the inertial measurement unit is anticipated to be used post calibration; collecting data from the inertial measurement unit while repositioning the inertial measurement unit around three orthogonal axes of the inertial measurement unit as a second step in the local environment; calibrating the plurality of gyroscopes using the data collected during the first step and the second step; calibrating the plurality of magnetometers using the data collected during the first step and the second step; calibrating the plurality of accelerometers using the data collected during the first step and the second step; characterized in that calibrating the plurality of magnetometers includes forming a cost function from an assumption that an angle and a length of each of a plurality of magnetometer vectors from the plurality of magnetometers have approximately identical values, wherein the cost function is calculated as the magnitude of the vector difference weighted with the angular deviation between the vectors; and wherein calibrating the plurality of magnetometers includes establishing a threshold for the cost function beyond which an unaccounted for magnetic distortion exists. collecting data from the inertial measurement unit, while stationary as a first step, in a local environment where the inertial measurement unit is anticipated to be used post calibration; collecting data from the inertial measurement unit while repositioning the inertial measurement unit around three orthogonal axes of the inertial measurement unit as a second step in the local environment; calibrating the plurality of gyroscopes using the data collected during the first step and the second step; calibrating the plurality of magnetometers using the data collected during the first step and the second step; calibrating the plurality of accelerometers using the data collected during the first step and the second step; characterized in that calibrating the plurality of magnetometers includes forming a cost function from an assumption that an angle and a length of each of a plurality of magnetometer vectors from the plurality of magnetometers have approximately identical values, wherein the cost function is calculated as the magnitude of the vector difference weighted with the angular deviation between the vectors; and wherein calibrating the plurality of magnetometers includes establishing a threshold for the cost function beyond which an unaccounted for magnetic distortion exists.
A lead delivery apparatus for a cast on strap machine arranged to deliver a predetermined volume of molten lead to a mould, comprising: a needle valve comprising an elongate body and a seat engaging portion ; and, a volume block comprising an inlet , an outlet and a through cavity , the seat engaging portion being engageable with the volume block outlet ; the volume block inlet being in fluid communication with a supply of molten lead; the through cavity together with the needle valve defining the predetermined volume for molten lead received from the supply; and, the volume block outlet being selectively openable and closable by the needle valve ; wherein the seat engaging portion comprises a first section having a profile corresponding with the profile of the volume block outlet , such that the first section and the volume block outlet interlock when the volume block outlet is closed by the needle valve ; and, a second section protruding beyond the volume block outlet when the volume block outlet is closed by the needle valve . a needle valve comprising an elongate body and a seat engaging portion ; and, a volume block comprising an inlet , an outlet and a through cavity , the seat engaging portion being engageable with the volume block outlet ; the volume block inlet being in fluid communication with a supply of molten lead; the through cavity together with the needle valve defining the predetermined volume for molten lead received from the supply; and, the volume block outlet being selectively openable and closable by the needle valve ; the volume block inlet being in fluid communication with a supply of molten lead; the through cavity together with the needle valve defining the predetermined volume for molten lead received from the supply; and, the volume block outlet being selectively openable and closable by the needle valve ; wherein the seat engaging portion comprises a first section having a profile corresponding with the profile of the volume block outlet , such that the first section and the volume block outlet interlock when the volume block outlet is closed by the needle valve ; and, a second section protruding beyond the volume block outlet when the volume block outlet is closed by the needle valve .
A work vehicle, comprising: a main pump and an accessory pump that are driven by an engine; a working device that is driven by pressure oil discharged from the main pump ; an operating device that operates the working device ; an auxiliary machine that is driven by pressure oil discharged from the accessory pump ; a priority valve switchable between a normal position and a merging position, the normal position directing toward the auxiliary machine the pressure oil discharged from the accessory pump , the merging position directing toward the working device the pressure oil discharged from the accessory pump ; and a forward reverse operating device that indicates which of a forward direction and a reverse direction the work vehicle is caused to travel in, characterized in that the work vehicle further includes a control device configured to hold the priority valve in the normal position for directing the pressure oil discharged from the accessory pump toward the auxiliary machine in case either the forward direction or the reverse direction which is indicated by the forward reverse operating device and a travel direction of the work vehicle do not match each other, and to switch the priority valve to the merging position for directing the pressure oil discharged from the accessory pump toward the working device in case either the forward direction or the reverse direction which is indicated by the forward reverse operating device and a travel direction of the work vehicle match each other and the operating device is in an operated state. a main pump and an accessory pump that are driven by an engine; a working device that is driven by pressure oil discharged from the main pump ; an operating device that operates the working device ; an auxiliary machine that is driven by pressure oil discharged from the accessory pump ; a priority valve switchable between a normal position and a merging position, the normal position directing toward the auxiliary machine the pressure oil discharged from the accessory pump , the merging position directing toward the working device the pressure oil discharged from the accessory pump ; and a forward reverse operating device that indicates which of a forward direction and a reverse direction the work vehicle is caused to travel in, characterized in that the work vehicle further includes a control device configured to hold the priority valve in the normal position for directing the pressure oil discharged from the accessory pump toward the auxiliary machine in case either the forward direction or the reverse direction which is indicated by the forward reverse operating device and a travel direction of the work vehicle do not match each other, and to switch the priority valve to the merging position for directing the pressure oil discharged from the accessory pump toward the working device in case either the forward direction or the reverse direction which is indicated by the forward reverse operating device and a travel direction of the work vehicle match each other and the operating device is in an operated state.
A communication apparatus (A, 301), comprising: a first setting unit for executing a first setting process (S404-S407) for setting communication parameters with an access point (AP, 302); a second setting unit for executing a second setting process (S408-S411) for setting communication parameters with another communication apparatus (B, 304) that is not an access point (AP, 302); a detection unit configured to detect (S402) an apparatus (AP, 302; B, 304) that is activating the first or second setting process; a selection unit configured to select (S403) whether to perform the first setting process (S404-S407) by the first setting unit or to perform the second setting process (S408-S411) by the second setting unit , based on the detection performed by the detection unit , wherein if an access point (AP, 302) that is activating the first setting process is detected by the detection unit , the selection unit selects executing the first setting process (S404-S407) by the first setting unit , and if an access point (AP, 302) that is activating the first setting process (S404-S407) is not detected by the detection unit , the selection unit selects executing the second setting process (S408-S411) by the second setting unit ; and a control unit configured to control to execute neither the first setting process nor the second setting process if both an access point (AP, 302) that is activating the first setting process and an apparatus (B, 304) that is activating the second setting process are detected by the detection unit . a first setting unit for executing a first setting process (S404-S407) for setting communication parameters with an access point (AP, 302); a second setting unit for executing a second setting process (S408-S411) for setting communication parameters with another communication apparatus (B, 304) that is not an access point (AP, 302); a detection unit configured to detect (S402) an apparatus (AP, 302; B, 304) that is activating the first or second setting process; a selection unit configured to select (S403) whether to perform the first setting process (S404-S407) by the first setting unit or to perform the second setting process (S408-S411) by the second setting unit , based on the detection performed by the detection unit , wherein if an access point (AP, 302) that is activating the first setting process is detected by the detection unit , the selection unit selects executing the first setting process (S404-S407) by the first setting unit , and if an access point (AP, 302) that is activating the first setting process (S404-S407) is not detected by the detection unit , the selection unit selects executing the second setting process (S408-S411) by the second setting unit ; and a control unit configured to control to execute neither the first setting process nor the second setting process if both an access point (AP, 302) that is activating the first setting process and an apparatus (B, 304) that is activating the second setting process are detected by the detection unit .
Covering consisting of panels which can be mechanically connected to one another in a laying plane , having the following features: a) adjacent first and second panels have end faces which are complementary to one another and which face one another; wherein a guide groove opens in the end face of the first panel , and a locking groove opens in the end face of the second panel , b) a relatively displaceable locking tongue is arranged in the guide groove of the first panel and is suitable, upon connection of the adjacent panels , for engaging in the locking groove of the adjacent second panel in order to assume a locking position and thus to fix the first and second panel relative to one another at least perpendicular to the laying plane ; c) a lower cheek of the locking groove is formed in such a way that it has an outer contact edge for laterally contacting the locking tongue in its locking position and a portion which is inward with respect to the contact edge and which maintains a clear spacing from the locking tongue in its locking position, characterized in that a movement direction of the locking tongue is at an inclination with respect to the laying plane , and in that , in the locking position, the contact edge is situated above the plane defined by a lower cheek of the guide groove . a) adjacent first and second panels have end faces which are complementary to one another and which face one another; wherein a guide groove opens in the end face of the first panel , and a locking groove opens in the end face of the second panel , b) a relatively displaceable locking tongue is arranged in the guide groove of the first panel and is suitable, upon connection of the adjacent panels , for engaging in the locking groove of the adjacent second panel in order to assume a locking position and thus to fix the first and second panel relative to one another at least perpendicular to the laying plane ; c) a lower cheek of the locking groove is formed in such a way that it has an outer contact edge for laterally contacting the locking tongue in its locking position and a portion which is inward with respect to the contact edge and which maintains a clear spacing from the locking tongue in its locking position,
A computer-executed method comprising: storing, by a database management system , a materialized view that is based on a materialized view definition that involves a one-sided outer-join operation over an include-all table and an include-matching table; after storing the materialized view, executing , by the database management system , a query over a plurality of tables in a database managed by the database management system ; wherein the query involves the one-sided outer-join operation over the include-all table and the include-matching table; wherein the query further involves a filter over the include-matching table, that is not included in the materialized view definition; wherein executing the query by the database management system comprises: rewriting the query to produce a rewritten query that: performs a single traversal of the materialized view to produce an intermediate results set , wherein producing the intermediate results set comprises applying the filter to data, from the materialized view, that originated from the include-matching table, and retrieves data from the intermediate results set ; and executing the rewritten query; wherein the method is performed by one or more computing devices. storing, by a database management system , a materialized view that is based on a materialized view definition that involves a one-sided outer-join operation over an include-all table and an include-matching table; after storing the materialized view, executing , by the database management system , a query over a plurality of tables in a database managed by the database management system ; wherein the query involves the one-sided outer-join operation over the include-all table and the include-matching table; wherein the query further involves a filter over the include-matching table, that is not included in the materialized view definition; wherein executing the query by the database management system comprises: rewriting the query to produce a rewritten query that: performs a single traversal of the materialized view to produce an intermediate results set , wherein producing the intermediate results set comprises applying the filter to data, from the materialized view, that originated from the include-matching table, and retrieves data from the intermediate results set ; and executing the rewritten query; rewriting the query to produce a rewritten query that: performs a single traversal of the materialized view to produce an intermediate results set , wherein producing the intermediate results set comprises applying the filter to data, from the materialized view, that originated from the include-matching table, and retrieves data from the intermediate results set ; and performs a single traversal of the materialized view to produce an intermediate results set , wherein producing the intermediate results set comprises applying the filter to data, from the materialized view, that originated from the include-matching table, and retrieves data from the intermediate results set ; and executing the rewritten query; wherein the method is performed by one or more computing devices.
A piezoelectric element , comprising: a first electrode provided at a base body ; a piezoelectric layer provided at the first electrode and containing a composite oxide that contains potassium, sodium, and niobium and that has a perovskite structure; and a second electrode provided at the piezoelectric layer , wherein the first electrode is a platinum layer, the first electrode has an average crystal grain diameter of 200 nm or more; and characterised in that the first electrode is preferentially oriented to , and in that the first electrode has a surface roughness Rq of 2.20 nm or more. a first electrode provided at a base body ; a piezoelectric layer provided at the first electrode and containing a composite oxide that contains potassium, sodium, and niobium and that has a perovskite structure; and a second electrode provided at the piezoelectric layer , wherein the first electrode is a platinum layer, the first electrode has an average crystal grain diameter of 200 nm or more; and characterised in that the first electrode is preferentially oriented to , and in that the first electrode has a surface roughness Rq of 2.20 nm or more.
A bi-stable brake actuator , comprising: a fixed core movable in a first direction (D1); a coil disposed in the fixed core and configured to generate magnetic fields of opposite polarities when supplied with opposing currents, respectively; characterised by further comprising, a movable core at least partially inserted into the coil and disposed to move between retracted and extended positions with respect to the fixed core and the coil in exclusively a second direction (D2) defined orthogonally with respect to the first direction (D1); and a permanent magnet assembly disposed to move between first and second positions in accordance with the coil being supplied with the opposing currents, respectively. a fixed core movable in a first direction (D1); a coil disposed in the fixed core and configured to generate magnetic fields of opposite polarities when supplied with opposing currents, respectively; characterised by further comprising, a movable core at least partially inserted into the coil and disposed to move between retracted and extended positions with respect to the fixed core and the coil in exclusively a second direction (D2) defined orthogonally with respect to the first direction (D1); and a permanent magnet assembly disposed to move between first and second positions in accordance with the coil being supplied with the opposing currents, respectively.
A steering system comprising: a column jacket including a hollow outer jacket having a slit and a pair of clamped portions disposed to sandwich the slit between the clamped portions, and a tubular inner jacket fitted in the outer jacket to be slidable in an axial direction (X) relative to the outer jacket, an elongated hole that extends in the axial direction and is a through hole or a blind hole being formed in an area of the inner jacket where the inner jacket is fitted in the outer jacket; a support member fixed to a vehicle body and including a pair of a first side plate and a second side plate that sandwiches the pair of clamped portions of the outer jacket in a lateral direction (W); and a clamping mechanism that holds a position of the inner jacket relative to the outer jacket by clamping the outer jacket against the inner jacket with the pair of side plates, characterized in that the elongated hole is disposed on one of a first side and a second side, in the lateral direction, of a vertical plane (VP) passing through a central axis (C2) of the inner jacket, at a position other than on a straight line that extends in a vertical direction (E) through the central axis (C2). a column jacket including a hollow outer jacket having a slit and a pair of clamped portions disposed to sandwich the slit between the clamped portions, and a tubular inner jacket fitted in the outer jacket to be slidable in an axial direction (X) relative to the outer jacket, an elongated hole that extends in the axial direction and is a through hole or a blind hole being formed in an area of the inner jacket where the inner jacket is fitted in the outer jacket; a support member fixed to a vehicle body and including a pair of a first side plate and a second side plate that sandwiches the pair of clamped portions of the outer jacket in a lateral direction (W); and a clamping mechanism that holds a position of the inner jacket relative to the outer jacket by clamping the outer jacket against the inner jacket with the pair of side plates, characterized in that the elongated hole is disposed on one of a first side and a second side, in the lateral direction, of a vertical plane (VP) passing through a central axis (C2) of the inner jacket, at a position other than on a straight line that extends in a vertical direction (E) through the central axis (C2).
A conveying apparatus for conveying food products, comprising: a conveyor developing along a closed conveying path , said conveyor comprising a first and second endless chain arranged parallel to each other; a plurality of containers transversally mounted between said first and second endless chain , each container comprising: - at least one cup-shaped receptacle for a food product; - a first pin and a second pin protruding respectively from opposite ends of the container ; a plurality of pairs of supports , each pair being formed by a first support mounted on the first endless chain and a second support mounted on the second endless chain , each support having a bore dimensioned and shaped for receiving one of said pins , the first pin and the second pin of each container being removably mounted within the bores of one pair of supports wherein said at least one cup-shaped receptacle comprises a perforated sheet with a plurality of through-holes , the perforated sheet being arranged to define a bottom of the cup-shaped receptacle for resting the food product, characterized in that said at least one cup-shaped receptacle comprises a lateral wall comprising a first plate and a second plate arranged so as to partially overlap in an overlapping zone in correspondence of the bottom , said first plate and second plate being mutually shaped in the overlapping zone so that they create an inner recess for holding the bottom . a conveyor developing along a closed conveying path , said conveyor comprising a first and second endless chain arranged parallel to each other; a plurality of containers transversally mounted between said first and second endless chain , each container comprising: - at least one cup-shaped receptacle for a food product; - a first pin and a second pin protruding respectively from opposite ends of the container ; - at least one cup-shaped receptacle for a food product; - a first pin and a second pin protruding respectively from opposite ends of the container ; a plurality of pairs of supports , each pair being formed by a first support mounted on the first endless chain and a second support mounted on the second endless chain , each support having a bore dimensioned and shaped for receiving one of said pins , the first pin and the second pin of each container being removably mounted within the bores of one pair of supports wherein said at least one cup-shaped receptacle comprises a perforated sheet with a plurality of through-holes , the perforated sheet being arranged to define a bottom of the cup-shaped receptacle for resting the food product, characterized in that said at least one cup-shaped receptacle comprises a lateral wall comprising a first plate and a second plate arranged so as to partially overlap in an overlapping zone in correspondence of the bottom , said first plate and second plate being mutually shaped in the overlapping zone so that they create an inner recess for holding the bottom .