Early Detection and Warning of Harmful Agents

• US 20080255431A1
• Filed: 08/04/2005
• Published: 10/16/2008
• Est. Priority Date: 08/06/2004
• Status: Abandoned Application

• Current Assignee: Yissum Research Development Company of the Hebrew University of Jerusalem Ltd. (Hebrew University of Jerusalem), Ramot at Tel Aviv University Limited (Tel Aviv University)
• Original Assignee: Ramot at Tel Aviv University Limited (Tel Aviv University)
• Inventors: Erad, Yariv, Belkin, Shimshon, Shacham-Diamand, Yosi, Yarmut, Yehuda, Rabner, Arthur, Erad, Mendy, Pedahzur, Rami
• Application Number:
  US11/659,644
• Publication Number:
  US 20080255431A1
• Time in Patent Office: Days
• US Class Current: 600/301
• CPC Class Codes: G08B 21/12 responsive to undesired emission of substances, e.g. pollution alarms

Abstract

A method of detecting the presence of harmful agents in the environment is disclosed. The method comprises: providing a plurality of portable agent detectors, placing the detectors on vectors in the environment, connecting the detectors over a communication network, and, upon detection of an agent by a first detector, signaling detectors identified as being nearby to carry out corresponding agent detection tests, thereby to confirm or localize an initial agent detection.

Claims

1. A method of detecting the presence of harmful agents in the environment comprising:

providing a plurality of portable agent detectors,

placing said detectors on vectors in said environment,

connecting said detectors over a communication network,

upon detection of an agent by a first detector, signaling detectors identified as being nearby to carry out corresponding agent detection tests,

thereby to confirm or localize an initial agent detection.

2. The method of claim 1, further comprising monitoring said detectors at a central location via said communication network.

3. The method of claim 2, wherein said signaling said nearby detectors comprises remotely activating said nearby detectors.

6. The method of claim 2 further comprising, upon a detection event generated by a first detector, alerting vectors identified as being nearby to said first detector.

9. The method of claim 2 further comprising obtaining atmospheric conditions at a location of said first detector and using said atmospheric condition to predict a propagation path of said agent.

21. The method of claim 3 further comprising identifying clustering of said detection events.

65. The method of claim 1 wherein said vectors are mammals.

66. The method of claim 65, further comprising measuring vital signs of said mammals.

4. A method of detecting the presence of harmful agents in the environment comprising:

providing a plurality of portable agent detectors able to generate a detection event in the presence of any of said harmful agents,

placing said detectors on vectors in said environment,

connecting said detectors over a communication network,

at a central location monitoring said detectors to identify clustering of said detection events, said clustering being to confirm or localize an initial agent detection.

5. The method of claim 4, further comprising, upon a detection event generated by a first detector, signaling detectors identified as being nearby to said first detector, to carry out corresponding agent detection tests.

7. A method of detecting the presence of harmful agents, comprising:

providing a plurality of portable agent detectors able to generate a detection event in the presence of any of said harmful agents,

associating said detectors with cellular communication units to allow central monitoring of said detectors, and

placing said detectors and cellular communication units on vectors in said environment.

8. The method of claim 7, further comprising associating said detectors with positioning units, and monitoring locations of individual detectors using a positioning network.

10. A portable agent detector for releasing into an environment to detect harmful agents released into said environment, the agent detector comprising:

a removable sensing cassette comprising sensing wetware; and

a processing unit for processing signals from said sensing cassette.

11. The portable agent detector of claim 10, further comprising an activation unit for activating or selecting an operational mode of the portable agent detector.

12. The portable agent detector of claim 11, further comprising a user interface, wherein said activation unit is controllable by said user interface.

13. The portable agent detector of claim 10, further comprising an atmospheric condition measuring unit for measuring at least one atmospheric condition.

47. The portable agent detector of claim 10 further comprising detection hardware.

48. The portable agent detector of claim 47, wherein said detection hardware comprises optical detection hardware.

49. The portable agent detector of claim 11, further comprising vital signs measuring unit for measuring vital signs of a mammal carrying the agent detector.

52. The portable agent detector of claim 11 wherein said activation unit is in communication with a central location and being controllable thereby, hence allowing a remote activation or operational mode selection of said agent detector.

53. The portable agent detector of claim 11 further comprising a supplementary sensing unit capable of continuously monitoring environmental conditions, and generating a signal to said activation unit to activate said agent detector when said environmental conditions meet a predetermined set of criteria.

54. The portable agent detector of claim 53, wherein said predetermined set of criteria comprises preliminary detection of a potentially harmful agent.

55. The portable agent detector of claim 10 further comprising a communication unit, for transmitting signals representing presence, level or absence of harmful agents over a communication network.

56. The portable agent detector of claim 55, being identifiable by an identification code, and further wherein said communication unit is operable to transmit said identification code over said communication network.

57. The portable agent detector of claim 55, wherein said agent detector further comprises a positioning unit, for determining a location of the agent detector, wherein said communication unit is operable to transmit said location over said communication network.

58. The portable agent detector of claim 10 wherein said agent detector further comprises an automatic sampling unit for automatically sampling fluids from the environment, and transferring said fluids to said sensing unit.

59. The portable agent detector of claim 10 further comprising an image capturing unit.

60. The portable agent detector of claim 10 further comprising an input-output audio unit.

61. The portable agent detector of claim 55, wherein said communication unit is supplemented with at least one communication protocol, tangibly embodied in a readable memory, said at least one communication protocol being configured to allow a takeover of said communication network.

14. A method for analyzing a diffuse signal from an environment comprising:

releasing a plurality of signal detectors into said environment, each signal detector being able to generate a detection event in the presence of said diffuse signal;

monitoring each of said signal detectors over a communication network for said detection events and for current location data of said signal detectors; and

identifying clustering of said detection events as an indication of the presence of said diffuse signal.

15. The method of claim 14, further comprising, upon a detection event generated by a first detector, signaling detectors identified as being nearby to said first detector, to carry out corresponding detection tests.

16. The method of claim 14, further comprising, upon a detection event generated by a first detector, generating alert signals and transmitting said alert signals to detectors identified as being nearby to said first detector.

22. The method of claim 14 further comprising obtaining atmospheric conditions at a location of at least one detector and using said atmospheric condition to predict a propagation path of the diffuse signal.

17. A method for analyzing a diffuse signal from an environment comprising:

releasing a plurality of signal detectors into said environment, each signal detector being able to generate a detection event in the presence of said diffuse signal;

monitoring each of said signal detectors over a communication network for said detection events and for current location data of said signal detectors;

upon identifying a detection event, checking with other nearby detectors for confirmation of said diffuse signal.

18. The method of claim 17, further comprising generating alert signals and transmitting said alert signals to said nearby detectors.

19. The method of claim 17, wherein said checking with said nearby detectors comprises transmitting instructions to vectors carrying said nearby detectors to locally activate said nearby detectors.

20. The method of claim 17, wherein said checking with said nearby detectors comprises remotely activating said nearby detectors.

23. A distributed detection system for detection of the presence of harmful agents in an environment, comprising:

a central monitoring unit; and

a plurality of portable agent detectors enabled for communication with said central monitoring unit and configured for producing detection events in the presence of said harmful agents and communicating said detection events to said central monitoring unit;

said portable agent detectors being mounted on mobile vectors for release into said environment.

24. The system of claim 23, wherein at least one of said plurality of portable agent detectors comprises:

a sensing unit having an operative mode and a non-operative mode;

an activation unit being in communication with a central location, for selecting between said operative mode and said non-operative mode; and

a processing unit for processing signals from said sensing unit.

25. The system of claim 24, wherein said sensing unit and said processing unit are designed and constructed to provide detection information within predetermined and variable time periods.

26. The system of claim 24, wherein at least one of said plurality of portable agent detectors further comprises a user interface, wherein said activation unit is controllable by said user interface.

27. A portable agent detector for releasing into an environment to detect harmful agents released into said environment, the agent detector comprising:

a sensing unit having an operative mode and a non-operative mode;

an activation unit being in communication with a central location, for selecting between said operative mode and said non-operative mode; and

a processing unit for processing signals from said sensing unit.

28. The portable agent detector of claim 27, wherein said sensing unit and said processing unit are designed and constructed to provide detection information within predetermined and variable time periods.

29. The portable agent detector of claim 27, further comprising a user interface, wherein said activation unit is controllable by said user interface.

30. The portable agent detector of claim 27, further comprising an atmospheric condition measuring unit for measuring at least one atmospheric condition.

31. A portable agent detector for releasing into an environment to detect harmful agents released into said environment, the agent detector comprising:

a sensing unit for detecting presence or absence of harmful agents;

a processing unit for processing signals from said sensing unit;

a positioning unit for determining a location of the agent detector; and

a communication unit for transmitting said location and signals representing presence or absence of harmful agents over a communication network.

32. The portable agent detector of claim 31, further comprising an atmospheric condition measuring unit for measuring at least one atmospheric condition, and further wherein said communication unit is operable to transmit said at least one atmospheric condition over said communication network.

33. The portable agent detector of claim 31, being identifiable by an identification code, and further wherein said communication unit is operable to transmit said identification code over said communication network.

34. The portable agent detector of claim 31, wherein said sensing unit and said processing unit are designed and constructed to provide detection information within predetermined and variable time periods.

35. The portable agent detector of claim 31, further comprising an activation unit for activating or selecting an operational mode of the portable agent detector.

36. A portable vital signs detector to detect vital signs of a mammal the portable vital signs detector comprising:

a sensing unit for detecting the vital signs of the mammal;

a processing unit for processing signals from said sensing unit;

a positioning unit for determining a location of the vital signs detector; and

a communication unit for transmitting said location and signals representing the vital signs.

37. A personal accessory device having an agent detector to detect harmful agents released into said environment, the agent detector comprising:

a sensing unit having an operative mode and a non-operative mode;

an activation unit being in communication with a central location, for selecting between said operative mode and said non-operative mode; and

a processing unit for processing signals from said sensing unit.

38. The personal accessory device of claim 37, wherein said activation unit is capable of deactivating any functioning unit of the personal accessory device other than said sensing unit and said processing unit.

39. The personal accessory device of claim 37, wherein said sensing unit and said processing unit are designed and constructed to provide detection information within predetermined and variable time periods.

40. The personal accessory device of claim 37, further comprising a user interface, wherein said activation unit is controllable by said user interface.

41. The personal accessory device of claim 37, further comprising an atmospheric condition measuring unit for measuring at least one atmospheric condition.

42. A personal accessory device having an agent detector to detect harmful agents released into said environment, the agent detector comprising:

a sensing unit for detecting presence or absence of harmful agents;

a processing unit for processing signals from said sensing unit;

a positioning unit for determining a location of the agent detector; and

a communication unit for transmitting said location and signals representing presence or absence of harmful agents over a communication network.

43. The personal accessory device of claim 42, further comprising an atmospheric condition measuring unit for measuring at least one atmospheric condition, and further wherein said communication unit is operable to transmit said at least one atmospheric condition over said communication network.

44. The personal accessory device of claim 42, being identifiable by an identification code, and further wherein said communication unit is operable to transmit said identification code over said communication network.

45. The personal accessory device of claim 42, wherein said sensing unit and said processing unit are designed and constructed to provide detection information within predetermined and variable time periods.

46. The personal accessory device of claim 42, further comprising an activation unit for activating or selecting an operational mode of the agent detector.

50. A portable detection kit for releasing into an environment to detect harmful agents released into said environment, the portable detection kit comprising:

at least one sampling device for selectively sampling environmental materials; and

an agent detector having a removable sensing cassette comprising sensing wetware, and a processing unit for processing signals from said sensing wetware.

51. The portable detection kit of claim 50, wherein said at least one sampling device is reusable.

62. A sampling device for selectively sampling environmental materials, the sampling device comprising a sampling element, a container and at least one treating element for treating the environmental materials in said container.

63. A method of determining presence or absence of harmful agents in the environment, comprising:

providing a plurality of portable agent detectors having an operative mode and a non-operative mode;

selecting non-operative modes for at least a portion of said plurality of detectors, and placing said plurality of detectors on vectors in the environment;

connecting said plurality of detectors over a communication network having a plurality of base stations;

activating detectors associated with at least one base station to carry out agent detection tests; and

receiving information from said activated detectors, thereby determining presence or absence of harmful agent in a region defined by said activated detectors.

64. The method of claim 63, further comprising obtaining atmospheric conditions at said region and using said atmospheric condition to predict a propagation path of said agent.