System for monitoring mobile personal items
First Claim
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1. A system for monitoring mobile personal items each equipped with a radio-frequency tag;
- comprising user equipment comprising;
a radio-frequency tag detector, said radio-frequency tag detector capable of detecting a radio-frequency tag, wherein the user equipment is capable of performing an earlier and a later operation of the detector, and to compare the outputs of the detector for the earlier and later operations and provide an monitor output dependent on the comparison, the monitor output indicating whether a mobile personal item detected as being present on the earlier operation is present on the later operation.
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Abstract
A system for monitoring mobile personal items which are equipped with a radio-frequency tag includes user equipment having a number of elements. The user equipment includes a radio frequency tag detector which is capable of detecting a radio frequency tag. The user equipment is also capable of performing an earlier and a later operation of the detector, and compares the outputs of the detector for the earlier and later operations and provides a monitor output dependent on the comparison. The monitor output indicates whether a personal item which is detected as being present on the earlier operation is present on the later operation.
23 Citations
16 Claims
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1. A system for monitoring mobile personal items each equipped with a radio-frequency tag;
- comprising
user equipment comprising;
a radio-frequency tag detector, said radio-frequency tag detector capable of detecting a radio-frequency tag,wherein the user equipment is capable of performing an earlier and a later operation of the detector, and to compare the outputs of the detector for the earlier and later operations and provide an monitor output dependent on the comparison, the monitor output indicating whether a mobile personal item detected as being present on the earlier operation is present on the later operation. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15, 16)
- comprising
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14. A method for monitoring mobile personal items equipped with a radio-frequency tag, by means of user equipment comprising a radio-frequency tag detector capable of detecting the presence of a radio-frequency tag, comprising the method comprising the steps of:
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performing an earlier operation of the detector;
performing a later operation of the detector;
comparing the output of the detector for the earlier and later operations;
providing a monitor output dependent on the result of the comparison step;
the output whether a mobile personal item indicating the presence of the mobile personal item detected as being present on the earlier operation is present on the later operation.
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Specification