LOCATION MONITORING AND TRANSMITTING DEVICE, METHOD, AND COMPUTER PROGRAM PRODUCT USING A SIMPLEX SATELLITE TRANSMITTER
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Accused Products
Abstract
A device, method, and computer program product for monitoring and transmitting a location and a local status of a remote device using a simplex satellite transmitter. The monitoring device includes a position location unit, a simplex satellite transmitter, a power source, and a controller. The position location unit is configured to determine a location of the remote device. The simplex satellite transmitter is configured to transmit the location to one or more satellites in low earth orbit. The controller includes a power management unit configured to control a power state of the position location unit and the simplex satellite transmitter, and to periodically enable and disable power from the power source to the position location unit and the simplex satellite transmitter.
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Citations
56 Claims
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1-36. -36. (canceled)
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37. A monitoring device configured to monitor a remote status of mobile assets, comprising:
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a position location unit configured to determine a location of a remote device;
a simplex satellite transmitter configured to transmit the location to one or more satellites in low earth orbit;
a power source;
a controller including a state detection unit configured to detect a change of state; and
a power management unit configured to control a power state of the position location unit and the simplex satellite transmitter, and to periodically enable and disable power from the power source to the position location unit and the simplex satellite transmitter, wherein the power management unit is further configured to disable power and then enable power on a first interval schedule, the controller is further configured to control the position location unit to determine the location and to control the simplex satellite transmitter to transmit the location based on the first interval schedule, and the controller, upon detection of state change by the state detection unit, is configured to disable power and then to enable power on a second interval schedule. - View Dependent Claims (38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 54, 55, 56)
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52. A method for monitoring a remote status of mobile assets, comprising:
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a) determining a location of a remote device;
b) transmitting the location using a simplex satellite transmitter to one or more satellites in low earth orbit;
c) receiving at least one of a plurality of alarm inputs, configuration parameters, and external data from an external data unit;
d) managing power to periodically perform steps a)-c) on a first interval schedule, wherein the managing step comprises;
detecting a change of state, and upon detection of the change of state, managing power to periodically perform steps a)-c) on a second interval schedule. - View Dependent Claims (53)
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Specification