Surveillance method for monitoring an object of value

1. A method of monitoring an object of value to optimize energy consumption, said object of value being equipped with an event detection device comprising a circuit configured to provide contactless communication with a remote entity; a sensor configured to detect an event related to the monitoring of the object of value; and a unit configured to collect energy, said method comprising:

a first step (A) of collecting kinetic energy by said detection device;

a second step (B), triggered by the detection of an event by said detection device, of using the energy collected during said first step such that:

said detection device activates with said energy at least one contactless communication circuit of said remote entity or searches for one;

said detection device transmits with said energy to said contactless communication circuit of said remote entity information related to the detected event.

2. The method of monitoring an object of value to optimize energy consumption according to claim 1 , wherein the energy collected in said first step (A) is obtained using a MEMS system that is configured to collect kinetic energy.

3. An event detection device adapted to monitor an object of value, the device comprising:

a circuit configured to provide contactless communication with a remote entity;

a sensor configured to detect an event related to the monitoring of the object of value, and

a unit configured to collect kinetic energy;

wherein said event detection device is provided on said object of value, and

wherein detecting the event triggers said detection device to (a) activate, or search for, with the energy collected, at least one contactless communication circuit of said remote entity, and (b) transmit, with the energy collected, to said contactless communication circuit of said remote entity information related to the detected event.

4. The event detection device adapted to monitor an object of value according to claim 3 , wherein said information related to the detected event transmitted is constituted of previously stored information and/or additional information determined using a microcomputer.

5. The event detection device adapted to monitor an object of value according to claim 3 , wherein said event detection device is equipped with a radio communication interface in conformance with proximity interface standards ISO/IEC 14443 ‘Identification cards—Contactless integrated circuit cards—Proximity cards.’

6. The event detection device adapted to monitor an object of value according to claim 3 , wherein said event detection device is equipped with a radio communication interface in conformance with vicinity interface standards ISO/IEC 15693 ‘Identification cards—Contactless integrated circuit cards—Vicinity cards.’

7. A piece of mobile communication equipment adapted to cooperate with an event detection device adapted to monitor an object of value, the event detection device comprising a circuit configured to provide contactless communication with a remote entity; a sensor configured to detect an event related to the monitoring of the object of value, and a unit configured to collect kinetic energy; wherein said event detection device is provided on said object of value, and wherein detecting the event triggers said detection device to (a) activate, or search for, with the energy collected, at least one contactless communication circuit of said remote entity, and (b) transmit, with the energy collected, to said contactless communication circuit of said remote entity information related to the detected event, the mobile communication equipment comprising a radio communication interface allowing events received from said event detection device to be reported to a central event management server, said interface being constituted of a professional mobile radio system.

8. A method of monitoring an object of value to optimize energy consumption, said object of value-being equipped with an event detection device comprising:

a circuit configured to provide contactless communication with a remote entity;

a sensor configured to detect an event related to the monitoring of an object of value; and

a unit configured to collect kinetic energy;

said method comprising

collecting energy by said detection device; and

using the kinetic energy collected by said detection device, when triggered by detecting an event by said detection device, to enable said detection device to (a) activate, or search for, at least one contactless communication circuit of said remote entity, and (b) transmit to said contactless communication circuit of said remote entity information related to the detected event.

9. The method of monitoring an object of value to optimize energy consumption according to claim 8 , wherein said object of value is a weapon.

10. The event detection device adapted to monitor an object of value according to claim 3 , comprising a storage unit configured to store an indication that an event has been detected.

11. The event detection device according to claim 3 , wherein said object of value is a weapon.

12. The method of monitoring an object of value to optimize energy consumption according to claim 1 , wherein prior to detecting an event by said detection device, the energy collected by said detection device does not power said detection device to activate, or search for, said at least one contactless communication circuit of the remote entity.

13. The method of claim 1 , wherein the event is at least one of a movement, a change in position, an acceleration of the object of value.

14. The piece of mobile communication equipment of claim 7 , wherein the event is at least one of a movement, a change in position, an acceleration of the object of value.

15. The method of claim 8 , wherein the event is at least one of a movement, a change in position, an acceleration of the object of value.

16. The event detection device of claim 3 , wherein the event is at least one of a movement, a change in position, an acceleration of the object of value.

17. The method of claim 1 , wherein activation of the at least one contactless communication circuit of said remote entity by said detection device using said energy includes a transmission to the remote entity of a message containing identification of the detection device prior to transmitting said information related to the detected event to said remote entity.

18. The method of claim 17 , wherein following transmission of said message containing identification of the detection device, and prior to transmitting said information related to the detected event to said remote entity, the method comprises receiving by said detection device from said remote entity a message containing identification of the remote entity.

19. The method of claim 17 , wherein following transmission of said message containing identification of the detection device, and prior to transmitting said information related to the detected event to said remote entity, the method comprises receiving energy by said detection device from said remote entity.

20. The method of claim 1 , wherein prior to transmitting said information related to the detected event to said remote entity, the method comprises receiving energy by said detection device from said remote entity.