System for identifying object locations

• US 5,455,851 A
• Filed: 07/02/1993
• Issued: 10/03/1995
• Est. Priority Date: 07/02/1993
• Status: Expired

• Current Assignee: Hill-Rom Services Incorporated (Baxter International Inc.)
• Original Assignee: Executone Information Systems, Inc. (eLOT, Inc.)
• Inventors: Chaco, John, Ram, Yaron
• Primary Examiner(s): Kuntz, Curtis
• Assistant Examiner(s): Chan, Jason
• Application Number:
  US08/087,394
• Time in Patent Office: 823 Days
• Field of Search: 379/37, 379/38, 379/57, 379/58, 379/93, 379/201, 340/539, 340/573, 340/825.49, 340/825.54, 340/825.55, 340/543, 455/56.1, 455/33.3, 367/117, 367/119, 359/143, 359/142, 359/154, 359/157, 342/450, 235/380, 235/381, 235/382, 40/1.5
• US Class Current: 379/38
• CPC Class Codes: G06K 7/10079 the collision being resolved in the spatial domain, e.g. temporary shields for blindfolding the interrogator in specific directions
• CPC Class Codes: G07C 9/28 the pass enabling tracking or indicating presence
• CPC Class Codes: G08B 3/1083 Pager locating systems
• CPC Class Codes: G08B 5/222 Personal calling arrangements or devices, i.e. paging systems selective calling systems and call receivers H04W84/00, H04W68/00

Abstract

An objection location system for locating and communicating with personnel or objects within a facility. Remote badges are coupled to respective objects or personnel to be located. The badges include transmission means for transmitting identification information associated with their respective objects or personnel. Operational parameters are stored in the badges and are monitored for controlling the operation of the badges. The badge may be in the form of a wristband.

Claims

1. A badge for use in an object location and information retrieval system for locating within a facility an object coupled to said badge and obtaining information stored in said badge, said system having a central computer, a plurality of receivers disposed at spaced apart areas within said facility, each of said receivers being capable of receiving signals from said badge and communicating signals including the identification of said badge to said central computer, said badge comprising:

a transmitter for transmitting signals including a unique identification signal of said badge;

an on/off switch;

manual select means for selecting one of a plurality of operating modes;

a microcontroller having a processor, associated memory and stored programs, said memory having a database with stored information including a plurality of operational parameters and a plurality of records specific to said object being coupled to said badge, said stored programs being executed by said processor for controlling badge operations including the control of said transmitter depending upon the processing of said parameters;

means in said processor for accessing information from said database in said memory and for forwarding said information to said transmitter for transmission to one of said plurality of receivers;

a receiver;

display means for displaying information received by said receiver, transmitted by said transmitter, and stored in said memory database;

an audio interface having a voice circuit and a microphone, said voice circuit having amplification means and digital conversion means for converting digital signals into voice signals and for amplifying said voice signals for playing over a speaker, said microphone having voice digitization means for digitizing voice signals for transmitting said voice signals via said transmitter to one of said plurality of receivers; and

a data interface for interfacing with an external processing device for reading data from said memory database or entering data including operational parameter values into said memory database.

2. A badge according to claim 1 wherein said transmitter transmits infrared signals.

3. A badge according to claim 1 wherein said plurality of operational parameters include the period of transmission of said signals.

4. A badge according to claim 1 wherein said plurality of parameters include the duration of transmitter operation.

5. A badge according to claim 4 wherein said transmitter operation duration is monitored by said microcontroller and upon the expiration of said duration, said microcontroller switches to another mode of operation.

6. A badge according to claim 5 wherein said another mode of operation include erasing the contents of said database in said memory.

7. A badge according to claim 5 wherein said another mode of operation include turning off said transmitter.

8. A badge according to claim 5 wherein said another mode of operation include changing the identification signal of said badge.

9. A badge according to claim 1 further including a counter for counting the number of transmissions transmitted from said transmitter.

10. A badge according to claim 1 wherein said identification of said badge is a person'"'"'s social security number.

11. A badge according to claim 1 wherein said database in said memory includes medical status information of a person.

12. A badge according to claim 1 further including a rechargeable battery and means for recharging said battery.

13. A badge according to claim 1 further including a housing, said housing including a slot for slidingly mating with a personnel card.

14. A badge according to claim 13 further including a switch for turning off said transmitter when switch is in an open position, said switch is opened upon the removal of said personnel card.

15. A badge according to claim 13 wherein said personnel card includes stored data including identification data and said badge includes means for accessing said stored data.

16. A badge according to claim 1, wherein said receiver receives infrared signals.

17. A badge according to claim 1 wherein said central computer is coupled to an LAN for coupling to a plurality of processing units for communication with said central computer.

18. A badge according to claim 1 wherein said central computer is coupled to a PBX for coupling to a plurality of telephones.

19. A badge according to claim 18 wherein the location information of a badge to be located within said facility is retrievable by dialing the identification of said badge to be located from any of said plurality of telephones coupled to said PBX.

20. A badge according to claim 1 wherein said data interface includes a bidirectional connection for facilitating communication between said external processing device and said microcontroller.

21. A badge according to claim 1 wherein said external processing device is a keypad.

22. A bracelet for use in an object location tracking and information retrieval system for locating within a location an object coupled to said bracelet and obtaining information stored in said bracelet, said system having a central computer, a plurality of receivers disposed at spaced apart areas within said location, each of said receivers being capable of receiving signals from said bracelet and transmitting signals including the identification of said bracelet to said central computer, said bracelet having a housing with electronics integrated therein, comprising:

a transmitter for transmitting signals including a unique identification signal of said bracelet;

a microprocessor having associated memory and stored programs, said memory having a database storage of a plurality of records about said object including the identification of said object, said stored programs being executed by said microprocessor for controlling bracelet operations, said microprocessor further includes means for accessing information from said database in memory and for forwarding said information to said transmitter for transmission to one of said plurality of receivers;

a receiver;

display means for displaying information received by said receiver, transmitted by said transmitter, and stored in said memory database;

an audio interface having a voice circuit and a microphone, said voice circuit having amplification means and digital conversion means for converting digital signals into voice signals and for amplifying said voice signals for playing over a speaker, said microphone having voice digitization means for digitizing voice signals for transmitting said voice signals via said transmitter to one of said plurality of receivers; and

wherein said transmitter is preassigned with a duration of operation, said duration of operation is monitored by said microprocessor and upon the expiration of said duration, said microprocessor switches to another mode of operation.

23. A bracelet according to claim 22, wherein said integrated electronics is enclosed in the housing removably attached to said bracelet, said housing is less than 0.44 inches in thickness, 2.0 inches in length and 1.25 inches in width.

24. A bracelet according to claim 23 wherein said housing is waterproof.

25. A bracelet according to claim 22 wherein said bracelet includes means for receiving signals from an external data entry device and means for storing said received signals into said memory.

26. A bracelet according to claim 25 wherein said means for receiving signals is capable of receiving infrared signals.

27. A bracelet according to claim 22, further including:

means for forming a closed circuit when said bracelet is in a closed position;

means for detecting an open condition when said bracelet is opened; and

means for indicating said open condition when said open condition is detected.

28. A bracelet according to claim 22 wherein said transmitter transmits infrared signals.

29. A bracelet according to claim 22 wherein said stored information includes a plurality of operational parameters, said operational parameters being used in conjunction with said stored programs for controlling bracelet operations.

30. A bracelet according to claim 22 wherein said another mode of operation includes erasing the contents of said database in said memory.

31. A bracelet according to claim 22 wherein said another mode of operation includes turning off said transmitter.

32. A bracelet according to claim 22 wherein said another mode of operation includes changing the identification signal of said bracelet.

33. A bracelet according to claim 22 further including a counter for counting the number of transmissions transmitted from said transmitter.

34. A bracelet according to claim 22 wherein said identification of said bracelet is a person'"'"'s social security number.

35. A bracelet according to claim 22 wherein said database in said memory includes medical status information of a person.

36. A bracelet according to claim 22 further including a rechargeable battery and means for recharging said battery.

37. A bracelet according to claim 22 further including a manual select button for selecting one of a plurality of operating modes of said bracelet.

38. An object location tracking and information retrieval system comprising:

a plurality of badges coupled to objects to be tracked, each of said badges including;

wireless transmission means for transmitting signals including a unique identification signal;

processor means having associated memory and stored programs, said memory having a database storage of a plurality of records specific to an object coupled to said badge and a plurality of operational parameters, said stored programs being executed by said processor means for controlling badge operations including the control of said wireless transmission means depending upon the processing of said parameters;

means for interfacing with external means for reading and entering data including operational parameter values into said memory database; and

means in said processor for accessing information from said database and for forwarding said information to said wireless transmission means;

a plurality of receivers disposed at spaced apart areas, each of said receivers including means for receiving said signals including said unique identification signals and said information accessed from said database transmitted from said wireless transmission means of said badges, and processor means for processing said received signals; and

central processing means for receiving messages from said plurality of receivers, said messages including said unique identification signals of said badges, and means for tracking the location of each of said plurality of badges each of said badges further includes;

an on/off switch;

manual select means for selecting one of a plurality of operating modes;

a receiver;

display means for displaying information received by said receiver, transmitted by said wireless transmission means, and stored in said memory database; and

an audio interface having a voice circuit and a microphone, said voice circuit having amplification means and digital conversion means for converting digital signals into voice signals and for amplifying said voice signals for playing over a speaker, said microphone having voice digitization means for digitizing voice signals for transmitting said voice signals via said wireless transmission means to said plurality of receivers.

39. An object location tracking and information retrieval system according to claim 38, wherein said central processing means includes private branch exchange means for communicating with a plurality of telephones.

40. An object location tracking and information retrieval system according to claim 39, wherein said central processing means is coupled to a local area network for coupling to a plurality of processing units.

41. A badge according to claim 38 wherein said plurality of records within said database includes medical information.