Method and apparatus for asset geofencing
First Claim
Patent Images
1. A method comprising:
- with an asset tracking unit physically located with an asset;
at least estimating a location and a rate of movement of the asset;
dynamically determining that the asset is located at a site based, at least in part, on passage of a period of time during which the rate of movement of the assethas remained at or below a preset threshold; and
in response to determining that the asset is located at the site, establishing a geofence for the asset with regard to the site, based, at least in part, on movement of the asset at the site during the period of time;
wherein subsequently determining whether the asset is outside of the geofence comprises;
determining that a subsequent at least estimated location of the asset is outside of the geofence; and
determining that a subsequent at least estimated rate of movement of the asset exceeds a threshold rate of movement.
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Abstract
An asset tracking unit associated with an asset determines that the asset is located at a site and establishes a geofence. The asset tracking unit transmits a notification to a central dispatch that the asset is at the site. In the event that the asset moves beyond the geofence boundary, a notification is sent to the central dispatch indicating that the asset has moved. The asset tracking unit established the geofence based on pre-established boundary criteria that are stored at the asset tracking unit.
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Citations
26 Claims
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1. A method comprising:
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with an asset tracking unit physically located with an asset; at least estimating a location and a rate of movement of the asset; dynamically determining that the asset is located at a site based, at least in part, on passage of a period of time during which the rate of movement of the asset has remained at or below a preset threshold; and in response to determining that the asset is located at the site, establishing a geofence for the asset with regard to the site, based, at least in part, on movement of the asset at the site during the period of time; wherein subsequently determining whether the asset is outside of the geofence comprises; determining that a subsequent at least estimated location of the asset is outside of the geofence; and determining that a subsequent at least estimated rate of movement of the asset exceeds a threshold rate of movement. - View Dependent Claims (2, 3, 4, 5, 6, 7, 18)
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8. An apparatus physically co-located with an asset, the apparatus comprising:
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a location sensor to at least estimate a location and a rate of movement of the asset; and a controller to; dynamically determine that the asset is located at a site based, at least in part, on passage of a period of time during which the rate of movement of the asset has remained at or below a preset threshold, and in response to a determination that the asset is located at the site, establish a geofence for the asset with regard to the site, based, at least in part, on movement of the asset at the site during the period of time; wherein subsequently determining whether the asset is outside of the geofence comprises; determining that a subsequent at least estimated location of the asset is outside of the geofence; and determining that a subsequent at least estimated rate of movement of the asset exceeds a threshold rate of movement. - View Dependent Claims (9, 10, 11, 12, 19)
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13. An article comprising:
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a non-transitory tangible data storage medium having stored thereon instructions executable by a programmable device to; monitor at least an estimated location and a rate of movement of an asset; dynamically determine that the asset is located at a site based, at least in part, on passage of a period of time during which the rate of movement of the asset has remained at or below a preset threshold; and in response to a determination that the asset is located at the site, establish a geofence for the asset with regard to the site, based, at least in part, on movement of the asset at the site during the period of time, and wherein the programmable device is physically co-located with the asset; wherein subsequently determining whether the asset is outside of the geofence comprises; determining that a subsequent at least estimated location of the asset is outside of the geofence; and determining that a subsequent at least estimated rate of movement of the asset exceeds a threshold rate of movement. - View Dependent Claims (14, 15, 16, 17, 25)
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20. An apparatus physically co-located with an asset, the apparatus comprising:
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means for determining one or more electronic signals representing at least an estimated location and a rate of movement of an asset; means for dynamically determining one or more electronic signals representing that the asset is located at a site based, at least in part, on passage of a period of time during which the one or more electronic signals representing the rate of movement of the asset has remained at or below a preset threshold; means for establishing a geofence for the asset with regard to the site in response to a determination that the asset is located at the site, based, at least in part, on movement of the asset at the site during the period of time; and means for storing at least the one or more electronic signals representing the geofence; wherein subsequently determining whether the asset is outside of the geofence comprises; determining that a subsequent at least estimated location of the asset is outside of the geofence; and determining that a subsequent at least estimated rate of movement of the asset exceeds a threshold rate of movement. - View Dependent Claims (21, 22, 23, 24, 26)
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Specification