{"search_session":{},"preferences":{"l":"en","queryLanguage":"en"},"patentId":"US_2009_0235739_A1","frontPageModel":{"patentViewModel":{"ref":{"entityRefId":"105-745-590-543-906","entityRefType":"PATENT"},"entityMetadata":{"linkedIds":{"empty":true},"tags":[],"collections":[{"id":10834,"type":"PATENT","title":"University of Utah - Patent Portfolio","description":"","access":"OPEN_ACCESS","displayAvatar":true,"attested":false,"itemCount":9195,"tags":[],"user":{"id":91044780,"username":"Cambialens","firstName":"","lastName":"","created":"2015-05-04T00:55:26.000Z","displayName":"Cambialens","preferences":"{\"usage\":\"public\",\"beta\":false}","accountType":"PERSONAL","isOauthOnly":false},"notes":[{"id":8283,"type":"COLLECTION","user":{"id":91044780,"username":"Cambialens","firstName":"","lastName":"","created":"2015-05-04T00:55:26.000Z","displayName":"Cambialens","preferences":"{\"usage\":\"public\",\"beta\":false}","accountType":"PERSONAL","isOauthOnly":false},"text":"
Search Applicants and Owners separately: Univ* AND Utah NOT state;
Select more for logical variants. Add to collection. Select all patents in the collection and expand by simple families. Add to collection. Total patents: 7034
Search Applicants and Owners separately: Univ* AND Utah NOT state;
Select more for logical variants. Add to collection. Select all patents in the collection and expand by simple families. Add to collection. Total patents: 7034
a) affixing at least a tri-axial accelerometer with respect to a user's foot;\n
b) collecting accelerometer data from the tri-axial accelerometer; and\n
c) determining incline during stance phase based on the accelerometer data from the tri-axial accelerometer using an electronic processor."],"number":1,"annotation":false,"claim":true,"title":false},{"lines":["A method in accordance with claim 1, further comprising:\n
determining energy expenditure of the individual based on the accelerometer data from the tri-axial accelerometer using the electronic processor."],"number":2,"annotation":false,"claim":true,"title":false},{"lines":["A method in accordance with claim 1, further comprising:\n
affixing a plurality of force sensitive resistors with respect to the user's foot;\n
collecting force data from the plurality of force sensitive resistors; and\n
determining stance phase based on the force data from the plurality of force sensitive resistors using the electronic processor."],"number":3,"annotation":false,"claim":true,"title":false},{"lines":["A method in accordance with claim 3, further comprising:\n
determining an energy expenditure of the individual based on the force applied to the shoe and the inclination of the shoe with respect to the ground over a period of time using the electronic processor."],"number":4,"annotation":false,"claim":true,"title":false},{"lines":["A method in accordance with claim 1, further comprising:\n
determining stance phase based on the accelerometer data from the tri-axial accelerometer using the electronic processor."],"number":5,"annotation":false,"claim":true,"title":false},{"lines":["A method in accordance with claim 5, wherein determining stance phase further includes determining a magnitude of acceleration vector utilizing the equation:\n
\n\n|{right arrow over (A)}|=√{square root over (Ax2+Ay2+Az2)}\n\nwhere Ax, Ay and Az are magnitudes of acceleration measured by the tri-axial accelerometer in x, y and z directions, and A is the magnitude of the acceleration vector; and wherein the magnitude of total acceleration being substantially equal to 1 g during stance phase."],"number":6,"annotation":false,"claim":true,"title":false},{"lines":["A method in accordance with claim 5, further comprising:\n
determining an energy expenditure of the individual based on the inclination of the shoe with respect to the ground over a period of time using the electronic processor."],"number":7,"annotation":false,"claim":true,"title":false},{"lines":["A method in accordance with claim 1, further comprising:\n
estimating incline utilizing the equation:\n\nθ=sin-1(Ax+Ay2(Ax2+Ay2+Az2))\nwhere Ax, Ay and Az are magnitudes of acceleration measured by the tri-axial accelerometer in x, y and z directions, respectively, and θ is the angle on incline."],"number":8,"annotation":false,"claim":true,"title":false},{"lines":["A method in accordance with claim 1, further comprising:\n
determining offset between the shoe and the sensor board when the system is initialized and the foot is on level ground utilizing the equation:\n\nθo=sin-1(Axo+Ayo2(Axo2+Ayo2+Azo2))\nwhere Axo, Ayo and Azo are magnitudes of acceleration measured by the tri-axial accelerometer in x, y and z directions, respectively, measured when the foot is initially flat on level ground, and θo is the offset angle between the shoe and the sensor board; and\n
determining incline during gait utilizing the equation:\n\nθ=sin-1(Ax+Ay2(Ax2+Ay2+Az2))-θo\nwhere Ax, Ay and Az are magnitudes of acceleration measured by the tri-axial accelerometer in x, y and z directions, respectively, measured when the foot is in stance phase, and θ is the angle of incline."],"number":9,"annotation":false,"claim":true,"title":false},{"lines":["A method in accordance with claim 1, further comprising:\n
positioning a toe piece of an insole with at least one force sensitive resistor at a toe of the shoe;\n
positioning a heel piece of the insole with at least one force sensitive resistor at a heel of the shoe; and\n
positioning a middle piece of the insole with the tri-axial accelerometer in the shoe between the toe and heel pieces."],"number":10,"annotation":false,"claim":true,"title":false},{"lines":["A method for measuring activity in an individual, comprising:\n
a) collecting data from a multi-sensor insole disposed in a shoe, including force data from a plurality of force sensitive resistors and accelerometer data from a tri-axial accelerometer; and\n
b) analyzing the data from the sensors of the multi-sensor insole with an electronic processor to determine the energy expenditure of the individual based on the force data and inclination of the shoe with respect to the ground during stance phase over a period of time."],"number":11,"annotation":false,"claim":true,"title":false},{"lines":["A method in accordance with claim 11, further comprising:\n
estimating the inclination utilizing the equation:\n\nθ=sin-1(Ax+Ay2(Ax2+Ay2+Az2))\nwhere Ax, Ay and Az are magnitudes of acceleration measured by the tri-axial accelerometer in x, y and z directions, respectively, and θ is the angle of inclination."],"number":12,"annotation":false,"claim":true,"title":false},{"lines":["A method in accordance with claim 11, further comprising:\n
determining offset between the shoe and the sensor board when the system is initialized and the foot is on level ground utilizing the equation:\n\nθo=sin-1(Axo+Ayo2(Axo2+Ayo2+Azo2))\nwhere Axo, Ayo and Azo are magnitudes of acceleration measured by the tri-axial accelerometer in x, y and z directions, respectively, measured when the foot is initially flat on level ground, and θo is the offset angle between the shoe and the sensor board; and\n
determining incline during gait utilizing the equation:\n\nθ=sin-1(Ax+Ay2(Ax2+Ay2+Az2))-θo\nwhere Ax, Ay and Az are magnitudes of acceleration measured by the tri-axial accelerometer in x, y and z directions, respectively, measured when the foot is in stance phase, and θ is the angle of incline."],"number":13,"annotation":false,"claim":true,"title":false},{"lines":["A method in accordance with claim 11, further comprising:\n
determining stance phase based on the force data from the plurality of force sensitive resistors using the electronic processor."],"number":14,"annotation":false,"claim":true,"title":false},{"lines":["A method in accordance with claim 11, further comprising:\n
determining stance phase based on the force data and the accelerometer data and utilizing the equations:\n\nwhere Ax, Ay and Az are magnitudes of acceleration measured by the tri-axial accelerometer in x, y and z directions, and A is the magnitude of the acceleration vector; and wherein the magnitude of total acceleration being substantially equal to 1 g during stance phase."],"number":15,"annotation":false,"claim":true,"title":false},{"lines":["A method in accordance with claim 15, further comprising:\n\n\n|{right arrow over (A)}|=√{square root over (Ax2+Ay2+Az2)}\n\n
positioning a toe piece of an insole with at least one force sensitive resistor at a toe of the shoe;\n
positioning a heel piece of the insole with at least one force sensitive resistor at a heel of the shoe; and\n
positioning a middle piece of the insole with the tri-axial accelerometer in the shoe between the toe and heel pieces."],"number":16,"annotation":false,"claim":true,"title":false},{"lines":["A foot-worn, in-shoe based sensor system configured to measure activity in a wearer of a shoe, comprising:\n
a) a shoe configured to be donned on a user's foot;\n
b) a sensor array associated with the shoe including a plurality of force sensitive resistors and a tri-axial accelerometer; and\n
c) an electronic processor operably coupled to the sensor array to receive data from the sensor array and analyzing the data to determine an activity level of the user based on a determined inclination of the shoe during stance phase."],"number":17,"annotation":false,"claim":true,"title":false},{"lines":["A system in accordance with claim 17, further comprising:\n
an insole disposable in the shoe and configured to contain and position the sensor array across a sole footprint of the shoe."],"number":18,"annotation":false,"claim":true,"title":false},{"lines":["A system in accordance with claim 18, wherein the insole further comprises:\n
a toe piece with at least one force sensitive resistor configured to be positioned at a toe of the shoe;\n
a heel piece with at least one force sensitive resistor configured to be positioned at a heel of the shoe; and\n
a middle piece between the toe and heel pieces; and\n
the toe, heel and middle pieced being held together but movably positioned with respect to one another."],"number":19,"annotation":false,"claim":true,"title":false},{"lines":["A system in accordance with claim 17, further comprising:\n
a sensor array affixed externally to the shoe."],"number":20,"annotation":false,"claim":true,"title":false}]}},"filters":{"npl":[],"notNpl":[],"applicant":[],"notApplicant":[],"inventor":[],"notInventor":[],"owner":[],"notOwner":[],"tags":[],"dates":[],"types":[],"notTypes":[],"j":[],"notJ":[],"fj":[],"notFj":[],"classIpcr":[],"notClassIpcr":[],"classNat":[],"notClassNat":[],"classCpc":[],"notClassCpc":[],"so":[],"notSo":[],"sat":[]},"sequenceFilters":{"s":"SEQIDNO","d":"ASCENDING","p":0,"n":10,"sp":[],"si":[],"len":[],"t":[],"loc":[]}}