Portable Security Container with Tilt and Movement Detection System
First Claim
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1. An alarm system, comprising:
- an accelerometer adapted to detect acceleration of an object along three axes;
a controller adapted to determine a change in a gravity vector of said object from a reference point based on acceleration of said object due to gravity; and
an alarm adapted to transmit a signal upon a change in the gravity vector of said object as determined by said controller.
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Abstract
A device and method for protecting personal property. The device includes a tilt and movement detection system utilizing acceleration due to gravity and an alarm adapted to signal when the device has tilted or moved beyond a predetermined position from a reference point.
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Citations
20 Claims
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1. An alarm system, comprising:
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an accelerometer adapted to detect acceleration of an object along three axes; a controller adapted to determine a change in a gravity vector of said object from a reference point based on acceleration of said object due to gravity; and an alarm adapted to transmit a signal upon a change in the gravity vector of said object as determined by said controller. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A container, comprising:
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a body having a storage compartment; and a tilt and movement detection system having an accelerometer, a controller adapted to determine a change in a gravity vector of said body from a reference point based on acceleration of said body due to gravity, and an alarm adapted to transmit a signal when said controller has determined a change in the gravity vector of said body. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A method for alerting a person to movement of an object from a reference position, comprising:
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measuring acceleration of the object due to gravity to determine a first measurement; re-measuring acceleration of the object due to gravity after a pre-selected time interval to determine a second measurement; comparing the first and second measurements; and producing a signal if the measurements are different. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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Specification