System and method for creating a proximity map of living beings and objects

• US 8,405,503 B2
• Filed: 09/14/2009
• Issued: 03/26/2013
• Est. Priority Date: 03/01/2005
• Status: Active Grant

• Current Assignee: Chon Meng Wong
• Original Assignee: Chon Meng Wong
• Inventors: Wong, Chon Meng
• Primary Examiner(s): BLOUNT, ERIC
• Application Number:
  US12/585,403
• Publication Number:
  US 20100097209A1
• Time in Patent Office: 1,289 Days
• Field of Search: 340/539.13, 340/539.12, 340/539.11, 340/517, 340/539.22, 340/539.26, 600/300
• US Class Current: 340/539.13
• CPC Class Codes: G01S 13/74 Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
• CPC Class Codes: G01S 5/0284 Relative positioning
• CPC Class Codes: G01S 5/14 Determining absolute distances from a plurality of spaced points of known location

Abstract

A contact or proximity network map defines who and what objects have come in contact of each other including location and time. This map selects the list people who have come in contact with known infected people based on contagious disease epidemiology criteria for the purpose of control its spread, or to prevent radiation poisoning, limit bio-chemicals exposure, etc. This selected list of people then undergoes testing and quarantine procedures. It can monitor hygiene practices and reduce nosocomial infections in hospitals and mitigate the pandemic flu threat by controlling spread and control contamination. It controls people interaction, information flow in a high security environment, control crime or gang activities. Each person or object has a proximity-sensing device with unique ID, which is recorded by the encountered units during contact. This information is stored with time stamp in a relational database. It generates contact maps with real time replication of its database via a central web database for retrieval and analysis at any site.

Claims

1. A contact tracking system comprising:

(a) a plurality of mobile units, each unit being adapted to obtain contact event information including, (i) proximity to another contacted unit, (ii) a unique identifier of the another contacted unit, and (iii) a timestamp of the contact with the another contacted unit;

(b) at least one data entry device adapted (i) to receive contact event information from the plurality of mobile units; and

(ii) to upload contact event information to a database; and

(c) a computer adapted to;

(i) receive contact event information, (ii) maintain a database of contact event information, (iii) identify a first set of mobile units that were in contact with a mobile unit of interest, and (iv) identify a second set of mobile units that were in contact with a mobile unit of the first set.

2. A system as in claim 1, wherein contact event information further includes a relative vector from a first mobile unit to another mobile unit.

3. A system as in claim 1, wherein contact event information further includes an indication of at least one of temperature, radiation exposure.

4. A system as in claim 1, wherein contact event information further includes an alert that a measure of at least one of temperature, radiation exposure, and virus exposure was outside a range.

5. A system as in claim 1, wherein contact event information further includes an indication of virus exposure.

6. A system as in claim 1, wherein contact event information includes GPS position data.

7. A system as in claim 1, wherein the database includes log information identifying a known good upload of contact event information.

8. A system as in claim 1, wherein the computer is further adapted to generate a report of individuals corresponding to identified mobile units.

9. A system as in claim 1, further comprising a plurality of data entry devices adapted to:

receive contact event information from a plurality of mobile units; and

(ii) upload contact event information to a database.

10. A system as in claim 1, wherein:

(a) a first subset of the plurality of mobile units comprise a first cluster;

(b) a second subset of the plurality of mobile units comprise a second cluster; and

(c) the first subset obtains at least some different contact event information than the second subset.

11. A system as in claim 1, further comprising at least a second computer geographically remote from the first computer, said second computer adapted:

to receive contact event information, and (ii) to maintain a database of contact event information.

12. A system as in claim 1, wherein the database comprises a central web database.

13. A system as in claim 1, wherein the computer is further adapted to identify a set of mobile units that were in contact with a mobile unit of the first set during a specified period of time.

14. A system as in claim 1, wherein the computer is further adapted to identify a set of mobile units that were within a specified distance from a mobile unit of the first set.

15. A system as in claim 3, wherein the computer is adapted to identify a set of mobile units using a matrix of distances between mobile units.

16. A method of tracking contacts among a plurality of mobile units comprising:

(a) obtaining contact event information using a plurality of mobile units, said contact event information including, (i) proximity to another contacted unit, (ii) a unique identifier of the another contacted unit, and (iii) a timestamp of the contact with the another contacted unit;

(b) transmitting contact event information from the plurality of mobile units to at least one data entry device;

(c) uploading contact event information from the at least one data entry device to at least one computer;

(d) maintaining a database of contact event information using at least one computer; and

(e) in response to a request for a history of contacts with a mobile unit of interest, (i) identifying a first set of mobile units that were in contact with the mobile unit of interest, and (ii) identifying a second set of mobile sensing units that were in contact with a mobile unit of the first set.

17. A method as in claim 16, wherein a contact event information further includes a relative vector location with respect to the another contacted mobile unit.

18. A method as in claim 16, wherein contact event information further includes an indication of at least one of temperature, radiation exposure, and virus exposure.

19. A method as in claim 16, wherein contact event information further includes an alert that a measure of at least one of temperature, radiation exposure, and virus exposure was outside a range.

20. A method as in claim 16, wherein contact event information further includes an indication of virus exposure.

21. A method as in claim 16, wherein contact event information further includes GPS position data.

22. A method as in claim 16, wherein the database includes log information identifying a known good upload of contact event information.

23. A method as in claim 16, further including a step of generating a report of individuals corresponding to identified mobile units.

24. A method as in claim 16, wherein:

(a) the step of transmitting contact event information from the plurality of mobile units transmits contact event information to at least two data entry devices; and

(b) the step of uploading contact event information from the at least one data entry device uploads contact event information from the at least two data entry devices.

25. A method as in claim 16, wherein the step of transmitting contact event information from the plurality of mobile units includes steps of:

(a) transmitting contact event information from a first cluster of mobile units to a first data entry device; and

(b) transmitting contact event information from a second cluster of mobile units to a second data entry device.

26. A method as in claim 16 wherein the step of maintaining a database of contact event information includes a step of maintaining at least two databases of contact event information using at least two geographically separated computers.

27. A method as in claim 16, wherein the database comprises a central web database.

28. A method as in claim 16, wherein the step of identifying a second set of mobile units identifies a set of mobile units that were in contact with a mobile unit of the first set during a specified period of time.

29. A method as in claim 16, wherein the step of identifying a second set of mobile units identifies a set of mobile units that were within a specified distance of a mobile unit of the first set.

30. A method as in claim 16, wherein a step of identifying a set of mobile units uses a matrix of distances between mobile units.

31. A contact tracking system comprising:

(a) a plurality of mobile units, each unit being adapted to obtain contact event information including, (i) proximity to another contacted unit, (ii) a unique identifier of the another contacted unit, and (iii) a timestamp of the contact with the another contacted unit;

(b) at least one data entry device adapted to;

(i) receive contact event information from the plurality of mobile units; and

(ii) upload contact event information to a database; and

(c) a computer adapted to;

(i) receive contact event information, and (ii) maintain a database of contact event information;

wherein at least one of the computer and a data entry device is adapted to condense redundant contact event information by eliminating complementary contact event information.

32. A system as in claim 31, wherein the computer is adapted to condense redundant contact event information.

33. A system as in claim 31, wherein a data entry device is adapted to condense redundant contact event information.

34. A system as in claim 31, wherein contact event information further includes a relative vector from a mobile unit to another mobile unit.

35. A system as in claim 31, wherein contact event information further includes an indication of at least one of temperature, radiation exposure.

36. A system as in claim 31, wherein contact event information further includes an alert that a measure of at least one of temperature, radiation exposure, and virus exposure was outside a range.

37. A system as in claim 31, wherein contact event information further includes an indication of virus exposure.

38. A system as in claim 31, wherein contact event information includes GPS position data.

39. A system as in claim 31, wherein the database includes log information identifying a known good upload of contact event information.

40. A system as in claim 31, wherein the computer is further adapted to generate a report of individuals corresponding to identified mobile units.

41. A system as in claim 31, further comprising a plurality of data entry devices adapted to:

(i) receive contact event information from a plurality of mobile units; and

(ii) upload contact event information to a database.

42. A system as in claim 31 wherein:

(a) a first subset of the plurality of mobile units comprises a first cluster;

(b) a second subset of the plurality of mobile units comprises a second cluster; and

(c) the first subset obtains at least some different contact event information than the second subset.

43. A system as in claim 31, further comprising at least a second computer geographically remote from the first computer, said second computer adapted to:

(i) receive contact event information, and (ii) maintain a database of contact event information.

44. A system as in claim 31, wherein the database comprises a central web database.

45. A system as in claim 31, wherein the computer is further adapted to identify:

(a) a first set of mobile units that were in contact with a mobile unit of interest; and

(b) a second set of mobile units that were in contact with a mobile unit of the first set.

46. A system as in claim 45, wherein the computer is further adapted to identify a set of mobile units that were in contact with a mobile unit of the first set during a specified period of time.

47. A system as in claim 45, wherein the computer is further adapted to identify a set of mobile units that were within a specified distance from a mobile unit of the first set.

48. A system as in claim 45, wherein the computer is adapted to identify a set of mobile units using a matrix of distances between mobile units.

49. A method of tracking contacts among a plurality of mobile units comprising:

(a) obtaining contact event information using a plurality of mobile units, said contact event information including, (i) proximity to another contacted unit, (ii) a unique identifier of the another contacted unit, and (iii) a timestamp of the contact with the another contacted unit;

(b) transmitting contact event information from the plurality of mobile units to at least one data entry device;

(c) uploading contact event information from the at least one data entry device to at least one computer; and

(d) maintaining a database of contact event information using at least one computer;

wherein at least one of the computer and a data entry device condenses redundant contact event information by eliminating complementary contact event information.

50. A method as in claim 49, wherein the at least one computer condenses redundant contact event information by eliminating complementary contact event information.

51. A method as in claim 49, wherein a data entry device condenses redundant contact event information.

52. A method as in claim 49, wherein contact event information further includes a relative from a mobile unit to another mobile unit.

53. A method as in claim 49, wherein contact event information further includes an indication of at least one of temperature and radiation exposure.

54. A method as in claim 49, wherein contact event information further includes an alert that a measure of at least one of temperature, radiation exposure, and virus exposure was outside a range.

55. A method as in claim 49, wherein contact event information further includes an indication of virus exposure.

56. A method as in claim 49, wherein contact event information further includes GPS position data.

57. A method as in claim 49, wherein the database includes log information identifying a known good upload of contact event information.

58. A method as in claim 49, further including a step of generating a report of individuals corresponding to identified mobile units.

59. A method as in claim 49, wherein:

(a) the step of transmitting contact event information from the plurality of mobile units transmits contact event information to at least two data entry devices; and

(b) the step of uploading contact event information from the at least one data entry device to at least one computer uploads contact event information from the at least two data entry devices.

60. A method as in claim 49, wherein the step of transmitting contact event information from the plurality of mobile units to at least one data entry devices includes steps of:

(a) transmitting contact event information from a first cluster of mobile units to a first data entry device; and

(b) transmitting contact event information from a second cluster of mobile units to a second data entry device.

61. A method as in claim 49, wherein the step of maintaining a database of contact event information includes a step of maintaining two databases of contact event information with at least two geographically separated computers.

62. A method as in claim 49, wherein the database comprises a central web database.

63. A system as in claim 49, wherein the computer is further adapted to identify:

(a) a first set of mobile units that were in contact with a mobile unit of interest; and

(b) a second set of mobile units that were in contact with a mobile unit of the first set.

64. A method as in claim 63, wherein the step of identifying a second set of mobile units identifies a set of mobile units that were in contact with a mobile unit of the first set during a specified period of time.

65. A method as in claim 63, wherein the step of identifying a second set of mobile units identifies a set of mobile units that were within a specified distance of a mobile unit of the first set.

66. A method as in claim 63, wherein a step of identifying a set of mobile units uses a matrix of distances between mobile units.