Method and apparatus for bioelectric impedance based identification of subjects
First Claim
1. ) The method of bioelectric impedance identification comprised of the steps of:
- a. introducing, for the purpose of creating a first reference template data set, one or more electrical signals into a subject'"'"'s body via a plurality of electrically conductive structures at one or more locations on the body;
b. measuring by a plurality of electrically conductive structures the electrical impedance resultant from said first set of introduced electrical signals;
c. storing said first set of measured impedance resultant from said first set electrical signals introduced for the purpose of reference template creation;
d. introducing, measuring and storing at least one subsequent additional set of electrical signals for the purpose of modification of the reference template;
e. adjusting said first reference template bioelectric impedance values by impedance values forthcoming from one or more said additional sets of measurements;
f. introducing for the purpose of query one or more electrical signals via a plurality of electrodes into a subject'"'"'s body at one or more locations;
g. measuring by a plurality of electrically conductive elements the electrical signals introduced for the purpose of query;
h. comparing for the purpose of assessment one or more measured bioelectric impedance values resultant from one or more electrical signals introduced for the purpose of query to one or more adjusted reference template bioelectric impedance values. i. presenting the outcome of the assessment.
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Accused Products
Abstract
The use of this invention relates to the bioelectric impedance method and associated apparatus and systems for the purpose of identification. The bioelectric impedance identification system is comprised of apparatus for generating bioelectric impedance data, storage for storing bioelectric impedance data and comparators for determining whether one set of bioelectric impedance data is the same or different than another set of bioelectric impedance data wherein said sets of data may arise from one or more subjects. The invention has utility in applications in the area of governing access, and the control of this access, e.g. to logic circuitry or control units, (e.g. computers, local area networks, or video game joystick control apparatus), “smart” credit cards (cards containing integrated circuits or chips) or access to facilities, equipment or storage apparatus, (e.g. machinery, rooms, garages or cabinets).
145 Citations
20 Claims
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1. ) The method of bioelectric impedance identification comprised of the steps of:
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a. introducing, for the purpose of creating a first reference template data set, one or more electrical signals into a subject'"'"'s body via a plurality of electrically conductive structures at one or more locations on the body;
b. measuring by a plurality of electrically conductive structures the electrical impedance resultant from said first set of introduced electrical signals;
c. storing said first set of measured impedance resultant from said first set electrical signals introduced for the purpose of reference template creation;
d. introducing, measuring and storing at least one subsequent additional set of electrical signals for the purpose of modification of the reference template;
e. adjusting said first reference template bioelectric impedance values by impedance values forthcoming from one or more said additional sets of measurements;
f. introducing for the purpose of query one or more electrical signals via a plurality of electrodes into a subject'"'"'s body at one or more locations;
g. measuring by a plurality of electrically conductive elements the electrical signals introduced for the purpose of query;
h. comparing for the purpose of assessment one or more measured bioelectric impedance values resultant from one or more electrical signals introduced for the purpose of query to one or more adjusted reference template bioelectric impedance values. i. presenting the outcome of the assessment. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. ) The method of bioelectric impedance identification comprised of the steps of:
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a. Introducing, for the purpose of creating a reference template data set, one or more electrical signals into a subject'"'"'s body via a plurality of electrically conductive structures at one or more locations on the body;
b. measuring by a plurality of electrically conductive structures the electrical impedance resultant from said introduced electrical signals;
c. storing said measured impedance resultant from electrical signals introduced for the purpose of reference template creation;
d. introducing for the purpose of query one or more electrical signals via a plurality of electrodes into a subject'"'"'s body at one or more locations;
e. measuring by a plurality of electrically conductive elements the electrical signals introduced for the purpose of query;
f. comparing for the purpose of assessment one or more measured bioelectric impedance values resultant from one or more electrical signals introduced for the purpose of query to one or more recorded reference template bioelectric impedance values;
g. and presenting said assessment. - View Dependent Claims (9, 10, 11, 12)
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13. ) A system of bioelectric impedance identification including:
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a. an apparatus for the generation and measure of a first set of reference bioelectric impedance arising from the introduction of one or more electrical signals into a body;
b. a storage of said first set of measured impedance resultant from said first set electrical signals introduced for the purpose of reference template creation;
c. an apparatus for the generation and measure of at least one additional second set of reference bioelectric impedance arising from the introduction of one or more electrical signals into a body;
d. a storage of said second additional set of measured impedance resultant from said second set of electrical signals introduced for the purpose of reference template creation;
e. an adjustor of reference bioelectric impedance values generated by a first set reference measurements by subsequent values from said additional set of reference measurements;
f. an apparatus for the generation and measure for the purpose of query of bioelectric impedance arising from the introduction of one or more electrical signals into a body;
g. a comparator comparing for the purpose of assessment one or more measured bioelectric impedance values resultant from one or more electrical signals introduced for the purpose of query to one or more modified reference bioelectric impedance values. - View Dependent Claims (14, 15)
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16. ) A system of bioelectric impedance identification comprising:
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a. an apparatus for the generation and measure, for the purpose of reference template creation, of one or more electrical signals into a subject'"'"'s body via a plurality of electrically conductive elements at one or more locations on the body;
b. a storage of said measured impedance resultant from electrical signals introduced for the purpose of reference template creation;
c. an apparatus for the generation and measure, for the purpose of query, of one or more electrical signals via a plurality of electrodes into a subject'"'"'s body at one or more locations;
d. a comparator to compare for the purpose of assessment one or more measured bioelectric impedance values resultant from one or more electrical signals introduced for the purpose of query to one or more recorded reference template bioelectric impedance values. - View Dependent Claims (17, 18, 19, 20)
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Specification