On board monitoring device
First Claim
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1. An onboard device, comprising:
- a processor;
a memory storing executable instructions and coupled to the processor;
an analog-to-digital (A/D) converter coupled to the processor;
a transceiver coupled to the processor; and
a global positioning system (GPS) receiver coupled to the processor,wherein the processor is configured to;
monitor changes in voltage of a main battery indicative of a start sequence of a vehicle;
detect movement of the vehicle based on satellite signals received by the GPS receiver; and
send a message to an operations center remote from the onboard device indicating movement of the vehicle in the absence of the start sequence of the vehicle.
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Abstract
An onboard device comprising a processor, a memory coupled to the processor, and an analog-to-digital (A/D) converter. The onboard device also comprises a transceiver and a global positioning system (GPS) receiver. In some embodiments, the memory of the onboard device stores a program that, when executed causes the processor to monitor voltage levels of a main battery of a vehicle for presence of a start sequence of a vehicle, detect movement of the vehicle, and send a message to an operations center indicating movement of the vehicle without occurrence of the start sequence.
258 Citations
20 Claims
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1. An onboard device, comprising:
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a processor; a memory storing executable instructions and coupled to the processor; an analog-to-digital (A/D) converter coupled to the processor; a transceiver coupled to the processor; and a global positioning system (GPS) receiver coupled to the processor, wherein the processor is configured to; monitor changes in voltage of a main battery indicative of a start sequence of a vehicle; detect movement of the vehicle based on satellite signals received by the GPS receiver; and send a message to an operations center remote from the onboard device indicating movement of the vehicle in the absence of the start sequence of the vehicle. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A system comprising:
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a vehicle comprising a main battery; and an onboard device affixed to the vehicle, the onboard device comprising; a processor; a memory storing executable instructions and coupled to the processor; an analog-to-digital (A/D) converter coupled to the processor; a transceiver coupled to the processor; and a global positioning system (GPS) receiver coupled to the processor, wherein the processor is configured to; monitor changes in voltage of the main battery indicative of a start sequence of a vehicle; detect movement of the vehicle based on satellite signals received by the GPS receiver; and send a message to an operations center remote from the onboard device indicating movement of the vehicle in the absence of the start sequence of the vehicle. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A method comprising:
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monitoring, by an onboard device, changes in voltage of a main battery indicative of a start sequence of a vehicle; detecting, by the onboard device, movement of the vehicle based on satellite signals received by a GPS receiver; and sending, by the onboard device, a message to an operations center remote from the onboard device indicating movement of the vehicle in the absence of the start sequence of the vehicle. - View Dependent Claims (18, 19, 20)
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Specification