Electronic monitoring device and monitoring system including same

• US 5,831,535 A
• Filed: 07/24/1997
• Issued: 11/03/1998
• Est. Priority Date: 07/24/1997
• Status: Expired due to Term

• Current Assignee: 3M Electronic Monitoring, Ltd. (3M Company)
• Original Assignee: Elmo-Tech, Ltd. (Allied Universal Manager LLC)
• Inventors: Gemer, Gil, Greitser, Guy, Reisman, Yoav, Pilli, Tzahi Itzhak
• Primary Examiner(s): SWANN III, GLEN R
• Application Number:
  US08/899,611
• Time in Patent Office: 467 Days
• Field of Search: 340/572, 340/573, 340/540, 340/539, 340/533, 340/568, 340/687, 379/38
• US Class Current: 340/573.4
• CPC Class Codes: G07C 9/28 the pass enabling tracking or indicating presence

Abstract

An electronic monitoring device to be attached to a subject for monitoring, at a remote location, movement and/or other activities of the subject, includes a closure member incorporating an identification tag having a unique identification number stored therein. The monitoring device further includes an electronic data processor programmed to read and store the identification number of the electronic tag when the closure member is applied, and periodically thereafter, to make a determination of whether a closure member is currently attached to the subject having an identification number matching the stored identification number, and to transmit to the remote location an identification signal corresponding to such determination.

Claims

1. An electronic monitoring device to be attached to a subject for monitoring, at a remote location, movements and/or other activities of the subject, comprising:

a housing attachable to the subject, and a closure member to secure the housing to the subject;

said housing including electronic circuitry for receiving, processing, and transmitting to said remote location, data regarding the activities of the subject;

said closure member including an identification tag having a unique identification number stored therein;

said electronic circuitry including a data processor programmed to read and store said identification number from the tag when the closure member is applied to secure the housing to the subject, and periodically thereafter, to read the identification number of the closure member in the monitoring device attached to the subject, and to make a determination of whether a change has occured between the read identification number and the stored identification number, and to transmit to said remote location an identification signal corresponding to such determination.

2. The electronic monitoring device according to claim 1, wherein said housing is attachable to the subject by straps to enclose a limb of the subject and having ends securable together by said closure member according to the size of the limb;

and wherein said closure member includes parts to be disposed on the opposite sides of the strap ends to be secured together, said identification tag being a solid state electrical device located between said parts of the closure member secured together on opposite sides of the strap ends.

3. The electronic monitoring device according to claim 2, wherein said identification tag is carried by the inner face of one of said parts of the closure member.

4. The electronic monitoring device according to claim 2, wherein said identification tag includes electrical connector elements brought into electrical communication with electrical connector elements on one of the strap ends when the closure member secures the strap ends together.

5. The electronic monitoring device according to claim 4, wherein at least one part of the closure member also includes connector elements which are brought into electrical communication with the connector elements on one of the strap ends when the closure member secures the strap ends together.

6. The electronic monitoring device according to claim 5, wherein said connector elements on said one part of the closure member are electrically connected together by a conductive pathway to the electrical connector elements of the straps end, which conductive pathway is interrupted by the removal of the closure member, thereby enabling the electronic data processor to sense such removal.

7. The electronic monitoring device according to claim 1, wherein said device further includes an open-closure sensor which feeds an open-closure signal to the data processor indicating whether the closure member is open or closed.

8. The electronic monitoring device according to claim 1, wherein said device further includes a body sensor which feeds a body-sensor signal to the data processor indicating whether said housing is adjacent to the subject'"'"'s skin.

9. The electronic monitoring device according to claim 1, wherein said data processor is programmed:

to make said determination during relatively short sampling periods of a few seconds;

to store the results of said determination;

and to transmit said results at the end of transmission periods of larger duration than said sampling periods.

10. The electronic monitoring device according to claim 9, wherein said transmission periods are:

(a) in the order of seconds, if the determination is positive, that there was a change in the identification number;

(b) in the order of minutes, if the determination is negative, namely that there was no change in the identification number and a predetermined time period has not elapsed since the time the identification number was stored; and

(c) in the order of an hour, if the determination is negative, namely that there was no change in the identification number, and said latter predetermined time period has elapsed since the time the identification number was stored.

11. An electrical monitoring device to be attached to a subject for monitoring, at a remote location, movements and/or other activities of the subject, comprising:

a housing attachable to the subject by another member;

said housing including an electrical data processor and a transmitter for receiving, processing, and transmitting to said remote location, data regarding the activities of the subject;

said another member including an electronic identification tag having a unique identification number stored therein;

said data processor being programmed to read and store said identification number from the tag whenever said another member is applied to the device to attach same to the subject, and periodically thereafter to read the identification number of the another number in the monitoring device attached to the subject, and to make a determination of whether a change has occurred between the read identification number of the monitoring device attached to the subject, and the stored identification number, and to transmit an identification signal corresponding to such determination.

12. The electronic monitoring device according to claim 11, wherein said data processor is programmed:

to make said determination during relatively short sampling periods of a few seconds;

to store the results of said determination;

and to transmit said results at the end of transmission periods of larger duration than said sampling periods.

13. The electronic monitoring device according to claim 12, wherein said transmission periods are:

(a) in the order of seconds, if the determination is positive, that there was a change in the identification number;

(b) in the order of minutes, if the determination is negative, namely that there was no change in the identification number and a predetermined time period has not elapsed since the time the identification number was stored; and

(c) in the order of an hour, if the determination is negative, namely that there was no change in the identification number, and said latter predetermined time period has elapsed since the time the identification number was stored.

14. The electronic monitoring device according to claim 11, wherein said another member is a closure member including parts to be secured together when attaching the device to the subject, and wherein said electronic identification tag is a solid-state electrical device located between said parts of the closure member when secured together.

15. The electronic monitoring device according to claim 14, wherein said identification tag is carried by the inner face of one of said parts of the closure member.

16. The electronic monitoring device according to claim 14, wherein said housing is secured to the subject by straps having ends secured together by the closure member when the device is attached to the subject, said electronic identification tag being secured between said securing member and the strap ends when the parts of the closure member are secured together and to the strap ends.

17. The electronic monitoring device according to claim 16, wherein said electronic identification tag includes electrical connector elements brought into electrical contact with electrical connector elements on one of the strap ends when secured thereto between the two parts of the closure member.

18. The electronic monitoring device according to claim 17, wherein at least one part of the closure member also includes connector elements which are brought into electrical contact with the connector elements on the electronic identification tag when securing the strap ends together.

19. The electronic monitoring device according to claim 18, wherein said connector elements on said one part of the closure member are electrically connected together by a conductive pathway which is interruptable by the removal of the closure member to thereby enable the electronic data processor to sense such removal.

20. The electronic monitoring device according to claim 11, wherein said device further includes an open-closure sensor which feeds an open-closure signal to the data processor indicating whether the closure member is open or closed.