Systems and methods for determining previous occupation in or proximate to an alert area
First Claim
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1. A method comprising:
- determining a first time associated with a release of a dangerous substance into an area;
determining an alert area in which the dangerous substance has spread, wherein a geographic location of the alert area changes as a function of time;
receiving, from a mobile device via a network, a request for a location history of the mobile device at a second time to determine if the mobile device was exposed to the dangerous substance, wherein the request is indicative of a user-defined response type, wherein the first time is prior to the second time, the location history comprising a listing of all locations where the network maintained contact with the mobile device over a specific period of time and temporal information associated with the listing;
detecting interactions between the mobile device and a communications network;
deriving the location history of the mobile device based on the interactions;
evaluating the location history to determine if the mobile device was in the alert area at the specific period of time, wherein the specific period of time comprises a time at which the substance had not dissipated in the alert area;
determining that the location of the mobile device at the first time does not correlate to the geographic location of the alert area; and
providing a response to the mobile device in the user-defined response type according to the evaluation, wherein the response indicates that the mobile device was not proximate to the alert area at the first time.
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Abstract
Systems and methods for determining whether a mobile device was within a specified area and for providing a location history of a mobile device are disclosed. A request may be received from a device which inquires about the location history of a mobile device. The request may include a time period and/or a location. The relevant location history of the device may be determined and provided in response. A request may also be received which inquires whether a mobile device was within a known alert area. The location history of the device may be correlated to the alert area and a response provided.
38 Citations
14 Claims
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1. A method comprising:
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determining a first time associated with a release of a dangerous substance into an area; determining an alert area in which the dangerous substance has spread, wherein a geographic location of the alert area changes as a function of time; receiving, from a mobile device via a network, a request for a location history of the mobile device at a second time to determine if the mobile device was exposed to the dangerous substance, wherein the request is indicative of a user-defined response type, wherein the first time is prior to the second time, the location history comprising a listing of all locations where the network maintained contact with the mobile device over a specific period of time and temporal information associated with the listing; detecting interactions between the mobile device and a communications network; deriving the location history of the mobile device based on the interactions; evaluating the location history to determine if the mobile device was in the alert area at the specific period of time, wherein the specific period of time comprises a time at which the substance had not dissipated in the alert area; determining that the location of the mobile device at the first time does not correlate to the geographic location of the alert area; and providing a response to the mobile device in the user-defined response type according to the evaluation, wherein the response indicates that the mobile device was not proximate to the alert area at the first time. - View Dependent Claims (2, 3, 4, 5, 9)
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6. A system configured to:
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determine a first time associated with a release of a dangerous substance; determine an alert area in which the dangerous substance has spread, wherein a geographic location of the alert area changes as a function of time; receive, from a mobile device via a network at a second time, a request for a location history of the mobile device to determine if the mobile device was exposed to the dangerous substance, wherein the request is indicative of a user-defined response type, and wherein the first time is prior to the second time, the location history comprising a listing of all locations where the network maintained contact with the mobile device over a specific period of time and temporal information associated with the listing; detect interactions between the mobile device and a communications network; derive the location history of the mobile device based on the interactions; evaluate the location history to determine if the mobile device was in the alert area at the specific period of time, wherein the specific period of time comprises a time at which the substance had not dissipated in the alert area; determine that the location of the mobile device at the first time does not correlate to the geographic location of the alert area; and provide a response to the mobile device in the user-defined response type according to the evaluation, the response indicating that the mobile device was not proximate to the alert area at the first time. - View Dependent Claims (7, 8, 10)
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11. A non-transitory computer-readable medium comprising computer-readable instructions for:
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determining a first time associated with a release of a dangerous substance into an area; determining an alert area in which the dangerous substance has spread, wherein a geographic location of the alert area changes as a function of time; receiving, from a mobile device via a network at a second time, a request for a location history of the mobile device to determine if the mobile device was exposed to the dangerous substance, wherein the request is indicative of a user-defined response type, and wherein the first time is prior to the second time, the location history comprising a listing of all locations where the network maintained contact with the mobile device over a specific period of time and temporal information associated with the listing; detecting interactions between the mobile device and a communications network; deriving the location history of the mobile device based on the interactions; evaluating the location history to determine if the mobile device was in the alert area at the specific period of time, wherein the specific period of time comprises a time at which the substance had not dissipated in the alert area; determining that the location of the mobile device at the first time does not correlate to the geographic location of the alert area; and providing a response to the mobile device in the user-defined response type according to the evaluation, the response indicating that the mobile device was not proximate to the alert area at the first time. - View Dependent Claims (12, 13, 14)
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Specification