Wireless monitoring device
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Accused Products
Abstract
The system of the invention includes a method for monitoring changes in the status or condition of a Container using one or more monitoring units mounted to the Container. The monitoring units preferably include a power supply, sensors using reflective energy with programmable parameters, globally-unique sensor identification, recording capability on a timeline, long term memory and the ability to rebroadcast information on RFID radio technology. Programmable monitoring hardware in the monitoring unit detects significant changes in the sensor outputs as a triggering event. The programmable monitoring hardware includes memory for storing identification information for the Container. The sensors which can include conventional devices that detect various forms of energy including visible light, infrared light, magnetic fields, radio frequency energy and sound. In one embodiment, a monitoring unit is mounted inside a shipping Container suitable for long distance transport. The triggering event can be used for tamper detection security.
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Citations
46 Claims
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1-17. -17. (canceled)
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18. A security system for monitoring a cargo storage compartment, the system comprising:
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a cargo storage compartment;
a sensor capable of emitting and receiving a monitoring signal; and
a radio transmitter connected to the sensor. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25)
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26. A secure cargo storage system, the system comprising:
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a cargo storage compartment defined by an interior and an exterior;
a sensor in the interior of said cargo storage compartment, said sensor capable of emitting energy and receiving the emitted energy; and
a radio transmitter. - View Dependent Claims (27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45)
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46. A secure cargo storage system, the system comprising:
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a cargo storage compartment having an interior surface with an access port defined in said interior surface;
a sensor capable of emitting an energy signal and receiving the emitted energy signal, said sensor disposed in said cargo storage compartment so that the emitted energy signal will reflect off of said access port;
a power supply electrically connected to the sensor;
monitoring electronics connected to the sensor, the monitoring electronics detecting and recording changes in the emitted and received energy as a triggering event; and
a radio transmitter disposed within said storage compartment for transmitting information on the triggering event supplied by the monitoring electronics.
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Specification