Tamper detection
First Claim
Patent Images
1. A license plate tamper detection system having a first license plate comprising a first sensor arranged to provide first monitor data;
- and a second license plate comprising a second sensor arranged to provide second monitor data, wherein the first and second license plates are arranged to;
exchange said first and second monitor data;
compare said first and second monitor data; and
generate a tampering event when more than a predetermined difference between the first monitor data and the second monitor data.
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Accused Products
Abstract
A vehicle (18) having a license plate tamper detection system comprising: a first sensor (4) arranged to provide monitor data corresponding to presence of a first license plate (20) on the vehicle; and a second sensor (6) arranged to provide reference data. The license plate tamper detection system is arranged to compare the monitor data with the reference data and generate a tampering event if the comparison yields more than a predetermined difference between the monitor data and the reference data.
5 Citations
16 Claims
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1. A license plate tamper detection system having a first license plate comprising a first sensor arranged to provide first monitor data;
- and a second license plate comprising a second sensor arranged to provide second monitor data, wherein the first and second license plates are arranged to;
exchange said first and second monitor data; compare said first and second monitor data; and generate a tampering event when more than a predetermined difference between the first monitor data and the second monitor data. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
- and a second license plate comprising a second sensor arranged to provide second monitor data, wherein the first and second license plates are arranged to;
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15. A license plate tamper detection system for installation on a vehicle, the system comprising:
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a first sensor for providing monitor data corresponding to presence of a first license plate when installed on said vehicle; and a second sensor for providing reference data when installed on said vehicle, wherein the license plate tamper detection system is arranged to compare said monitor data with said reference data and generate a tampering event when there is more than a predetermined difference between the monitor data and the reference data, and wherein the license plate tamper detection system is arranged to assess whether the vehicle is stationary and to disable the sensors when the vehicle is not stationary.
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16. A license plate tamper detection system for installation on a vehicle, the system comprising:
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a first sensor for providing monitor data corresponding to presence of a first license plate when installed on said vehicle; and a second sensor for providing reference data when installed on said vehicle, wherein the license plate tamper detection system is arranged to compare said monitor data with said reference data and generate a tampering event when there is more than a predetermined difference between the monitor data and the reference data, and wherein the first and second sensors comprise accelerometers.
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Specification