FREE FALL DETECTOR DEVICE AND FREE FALL DETECTION METHOD
First Claim
1. A free-fall detector device, comprising:
- an inertial sensor;
a detection circuit associated to said inertial sensor;
a signal source, for supplying a read signal to said inertial sensor;
a storage element, selectively connectable to said detection circuit for storing a feedback signal generated by said detection circuit in response to said read signal supplied to said inertial sensor; and
a feedback circuit coupled to said storage element for supplying said feedback signal to said inertial sensor, so that said detection circuit generates at least one detection signal in response to said feedback signal supplied to said inertial sensor.
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Abstract
A free-fall detector device includes an inertial sensor, a detection circuit associated to the inertial sensor, and a signal source for supplying a read signal to the inertial sensor. The device moreover includes: a storage element, selectively connectable to the detection circuit for storing a feedback signal generated by the detection circuit in response to the read signal supplied to the inertial sensor; and a feedback circuit coupled to the storage element for supplying the feedback signal to the inertial sensor so that the detection circuit generates at least one detection signal in response to the feedback signal supplied to the inertial sensor.
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Citations
29 Claims
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1. A free-fall detector device, comprising:
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an inertial sensor;
a detection circuit associated to said inertial sensor;
a signal source, for supplying a read signal to said inertial sensor;
a storage element, selectively connectable to said detection circuit for storing a feedback signal generated by said detection circuit in response to said read signal supplied to said inertial sensor; and
a feedback circuit coupled to said storage element for supplying said feedback signal to said inertial sensor, so that said detection circuit generates at least one detection signal in response to said feedback signal supplied to said inertial sensor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A free-fall detection method, comprising:
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supplying a read signal to an inertial sensor;
storing a feedback signal, generated by said inertial sensor in response to said read signal;
supplying said feedback signal to said inertial sensor; and
generating at least one detection signal by said inertial sensor in response to said feedback signal. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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21. A portable electronic device, comprising:
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a control unit structured to control the portable electronic device; and
a free-fall detector device coupled to the control unit and including;
an inertial sensor;
a detection circuit associated to said inertial sensor;
a signal source, for supplying a read signal to said inertial sensor;
a storage element, selectively connectable to said detection circuit for storing a feedback signal generated by said detection circuit in response to said read signal supplied to said inertial sensor; and
a feedback circuit coupled to said storage element for supplying said feedback signal to said inertial sensor, so that said detection circuit generates at least one detection signal in response to said feedback signal supplied to said inertial sensor. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29)
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Specification