Method and apparatus for inductively measuring the bio-impedance of a user's body
First Claim
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1. An apparatus for inductively measuring the bio-impedance of a user'"'"'s body, the apparatus comprising:
- a number of first inductors, the first inductors being adapted to induce an alternating magnetic field in the user'"'"'s body, anda number of second inductors, the second inductors being adapted to measure a secondary magnetic field in the user'"'"'s body,wherein each of the number of first inductors overlaps at least one of the number of second inductors at intersection points to form a number of measuring areas,wherein the number of first inductors are arranged in a first direction on a predetermined plane of a substrate and the number of second inductors are arranged in a second direction on the predetermined plane of the substrate, andwherein the density of the intersection points between the number of first and second inductors in a first measuring area is different from the density of the intersection points in a second measuring area.
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Abstract
A method and apparatus for inductively measuring the bio-impedance of a user'"'"'s body without complex circuitry. An apparatus is described for inductively measuring the bio-impedance of a user'"'"'s body, wherein the apparatus includes a number of first inductors being adapted to induce an alternating magnetic field in the user'"'"'s body and the apparatus further includes a number of second inductors being adapted to measure a secondary magnetic field in the user'"'"'s body, wherein each of the number of first inductors overlaps at least one of the number of second inductors to form a number of measuring areas.
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Citations
19 Claims
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1. An apparatus for inductively measuring the bio-impedance of a user'"'"'s body, the apparatus comprising:
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a number of first inductors, the first inductors being adapted to induce an alternating magnetic field in the user'"'"'s body, and a number of second inductors, the second inductors being adapted to measure a secondary magnetic field in the user'"'"'s body, wherein each of the number of first inductors overlaps at least one of the number of second inductors at intersection points to form a number of measuring areas, wherein the number of first inductors are arranged in a first direction on a predetermined plane of a substrate and the number of second inductors are arranged in a second direction on the predetermined plane of the substrate, and wherein the density of the intersection points between the number of first and second inductors in a first measuring area is different from the density of the intersection points in a second measuring area. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method of inductively measuring the bio-impedance of a user'"'"'s body, the method comprising the steps of:
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inducing an alternating magnetic field in the user'"'"'s body by means of a number of first inductors, and measuring a secondary magnetic field in the user'"'"'s body by means of a number of second inductors, wherein each of the number of first inductors overlaps at least one of the number of second inductors at intersection points to form a number of measuring areas, wherein the number of first inductors are arranged in a first direction on a predetermined plane of a substrate and the number of second inductors are arranged in a second direction on the predetermined plane of the substrate, and wherein the density of the intersection points between the number of first and second inductors in a first measuring area is different from the density of the intersection points in a second measuring area. - View Dependent Claims (12, 13, 14)
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15. An apparatus for inductively measuring the bio-impedance of a user'"'"'s body, the apparatus comprising:
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a plurality of first inductors that induce an alternating magnetic field in a user'"'"'s body; a plurality of second inductors that measure a secondary magnetic field in a user'"'"'s body; and one or more measurement areas formed by overlap of at least one of the first inductors and at least one of the second inductors at intersection points; wherein the one or more measurement areas can be modified in shape or size depending on a desired application of the apparatus, wherein the number of first inductors are arranged in a first direction on a predetermined plane of a substrate and the number of second inductors are arranged in a second direction on the predetermined plane of the substrate, and wherein the density of the intersection points between the number of first and second inductors in a first measuring area is different from the density of the intersection points in a second measuring area. - View Dependent Claims (16, 17, 18, 19)
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Specification