User identification from battery characteristics
First Claim
1. A method for identifying or discriminating one or more persons having used a battery or an electronic device powered by the battery, the method comprising:
- a) tracking, by battery control logic implemented in one or more hardware processors, multiple battery parameter values representing electrical characteristics of the battery under the control of the battery control logic, the battery control logic being in the electronic device or a component associated with the electronic device; and
b) analyzing, by the battery control logic, the battery parameter values tracked in(a) to(i) identify a person having used the electronic device or the component comprising the battery, and/or(ii) discriminate between two or more putative persons having used the electronic device or the component comprising the battery;
wherein identifying multiple battery parameter values comprises measuring a battery terminal voltage over time, and, from the battery terminal voltage, calculating one or more of the following parameters;
charge pulse voltage, overpotential, voltage response shape due to a charge or discharge pulse, full relaxation time, partial relaxation time, and equilibrium voltage measurements.
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Abstract
Disclosed is a method for identifying a battery type and/or a battery user. Measuring circuitry may be used to collect battery parameters that may be analyzed by control circuitry to create an adaptive charge profile that is applied to a battery by charging circuitry. Battery parameters may be recorded in a battery use signature. Logic may be used to process a battery use signature and identify a single user across multiple battery operated devices and/or discriminate between multiple users of a device. In some cases, battery use signature may be used to identify battery information including the make, model, and lot from which the battery was manufactured.
14 Citations
23 Claims
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1. A method for identifying or discriminating one or more persons having used a battery or an electronic device powered by the battery, the method comprising:
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a) tracking, by battery control logic implemented in one or more hardware processors, multiple battery parameter values representing electrical characteristics of the battery under the control of the battery control logic, the battery control logic being in the electronic device or a component associated with the electronic device; and b) analyzing, by the battery control logic, the battery parameter values tracked in (a) to (i) identify a person having used the electronic device or the component comprising the battery, and/or (ii) discriminate between two or more putative persons having used the electronic device or the component comprising the battery;
wherein identifying multiple battery parameter values comprises measuring a battery terminal voltage over time, and, from the battery terminal voltage, calculating one or more of the following parameters;
charge pulse voltage, overpotential, voltage response shape due to a charge or discharge pulse, full relaxation time, partial relaxation time, and equilibrium voltage measurements.- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. A method for identifying a user of a battery or an electronic device powered by the battery, the method comprising:
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(a) measuring or receiving data representing battery parameter values representing characteristics of a battery under the control of battery control logic in an electronic device or a component associated with the electronic device, wherein the characteristics of a battery include at least five characteristics selected from the group consisting of the number, frequency, current, and/or time stamps of charge cycles for the battery, a state of charge history for the battery, a temperature corresponding to the battery or external environment, a capacity of the battery, a state of health of the battery, a charge pulse voltage of the battery, an overpotential of the battery, a voltage response shape due to a charge or discharge pulse applied to the battery, a full relaxation time of the battery, a partial relaxation time of the battery, and an equilibrium voltage measurements of the battery; (b) computationally generating a battery use signature from the battery parameter values measured or received in (a); (c) computationally using the battery use signature to (i) identify a user of the device or the component comprising the battery, and/or (ii) discriminate between two or more putative users of the device or the component comprising the battery; and (d) detecting criminal activity and/or insurance information based on the identification and/or discrimination in (c);
wherein identifying multiple battery parameter values comprises measuring a battery terminal voltage over time, and, from the battery voltage, overpotential, voltage response shape due to a charge or discharge pulse, full relaxation time, partial relaxation time, and equilibrium voltage measurements.
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Specification