Autonomous interrogatable information and position device

• US 6,085,090 A
• Filed: 10/20/1997
• Issued: 07/04/2000
• Est. Priority Date: 10/20/1997
• Status: Expired due to Term

• Current Assignee: General Dynamics C4 Systems Incorporated (General Dynamics Corporation)
• Original Assignee: Motorola, Inc. (Motorola Solutions, Inc.)
• Inventors: Yee, David Moon, Zucarelli, Philip John, Keller, Theodore Woolley, Bickley, Robert Henry, Osman, Jeff Scott
• Primary Examiner(s): Tsang, Fan S.
• Assistant Examiner(s): SMITH, SHEILA B
• Application Number:
  US08/954,259
• Time in Patent Office: 988 Days
• Field of Search: 455/439, 455/436, 455/525, 455/456, 455/440, 370/331, 342/450, 342/457
• US Class Current: 455/440
• CPC Class Codes: G01S 19/17 Emergency applications
• CPC Class Codes: G01S 2205/008 using a mobile telephone network
• CPC Class Codes: G01S 5/0027 of actual mobile position, i.e. position determined on mobile
• CPC Class Codes: H04B 7/18554 using the position provided by an existing geolocalisation system

Abstract

An autonomous interrogatable information and position device combines the functionality of a satellite communications device capable of sending and receiving voice and digital data messages, a geo-location device capable of self-determining its positional location; an input/output port configured to allow attachment of the device to external local site sensors or equipment in order to obtain external local site sensor data or control the equipment, and a control processor capable of monitoring and responding to positional location information, input sensor data, and incoming voice and digital data messages.

Claims

1. An autonomous interrogatable information and position device, comprising:

a satellite communications device for sending and receiving digital voice and data messages to and from a satellite communications network;

a geo-location device for receiving positioning signals and for determining a positional location of said autonomous interrogatable information and position device without allowing external detection of said positional location;

an input port, said input port configured to allow coupling of said autonomous interrogatable information and position device to external local site sensors to obtain external local site sensor data;

voice input means;

a voice message formatter for converting a voice signal received from said voice input means into a digital voice message for transmission to said satellite communications network via said satellite communications device; and

a control processor coupled to said satellite communication device, said geo-location device, said voice input means, and said input port, said control processing being operable to monitor said positional location and said external local site sensor data, and being responsive to an interrogation message received by said satellite communications device to generate a response message in response to said interrogation message for transmittal to said satellite communications network via said satellite communications device.

2. The device of claim 1, wherein:

said geo-location device comprises a GPS receiver.

3. The device of claim 1, wherein:

said interrogation message is a request for said positional location of said autonomous interrogatable information and position device.

4. The device of claim 3, wherein:

said response message comprises said positional location.

5. The device of claim 1, wherein:

said autonomous interrogatable information and position device is coupled to said external local site sensors.

6. The device of claim 5, wherein:

said interrogation message is a request for said external local site sensor data.

7. The device of claim 6, wherein:

said response message comprises said external local site sensor data.

8. The device of claim 1, wherein:

said voice message formatter comprising a vocoder.

9. The device of claim 1, further comprising:

a voice message deformatter for converting a digital voice message received from said satellite communications network via said satellite communications device into a voice message; and

voice output means for converting said voice message into a voice signal.

10. The device of claim 8, further comprising:

a voice message deformatter for converting a digital voice message received from said satellite communications network via said satellite communications device into a voice message; and

voice output means for converting said voice message into a voice signal.

11. The device of claim 10, wherein:

said voice message formatter comprising a vocoder.

12. The device of claim 11, further comprising:

a modem for converting a data message generated by said control processor into an acoustic signal; and

a voice message formatter for converting said acoustic signal into a digital data message for transmission to said satellite communications network via said satellite communications device.

13. The device of claim 8, further comprising:

a modem for converting a data message generated by said control processor into an acoustic signal; and

wherein said voice message formatter converts said acoustic signal into a digital data message for transmission to said satellite communications network via said satellite communications device.

14. The device of claim 8, further comprising:

a multiplexer coupled to receiver and multiplex digital voice messages from said voice message formatter and digital data messages generated by said control processor to generate a stream of digital messages for transmission to said satellite communication network.

15. The device of claim 14, wherein:

said satellite communications device formats each of said digital messages into a data packet, said data packet having a special header to indicate to a receiving entity whether said digital message is a digital voice message or a digital data message.

16. The device of claim 1, further comprising:

a cryptographic processor for encrypting said digital messages sent to said satellite communications network, and for decrypting said digital messages received from said satellite communications network.

17. The device of claim 1, wherein:

said control processor is responsive to an instruction message and operable to carry out one or more commands in response to said instruction message.

18. The device of claim 17, wherein:

said instruction message comprises one or more commands to control said geo-location device.

19. The device of claim 1, further comprising:

an output port, said output port configured to allow coupling of said autonomous interrogatable information and position device to one or more external local site devices to control said one or more external local site devices.

20. The device of claim 19, wherein:

said control processor is responsive to an instruction message and operable to carry out one or more commands in response to said instruction message.

21. The device of claim 20, wherein:

said instruction message comprises one or more commands to output a set of control signals to said one or more external local site devices.

22. The device of claim 1, comprising:

a power source for providing power to said autonomous interrogatable information and position device.

23. The device of claim 22, further comprising:

an activation device having an output for indicating detection of an activation signal;

a power controller switchably connected between said power source and first portions of said autonomous interrogatable information and position device and operable in response to said activation device to establish power source connections to said first portions when said activation signal is detected.

24. The device of claim 23, wherein:

said activation device comprises a terrestrial based pager;

said activation signal comprises a pager message; and

said terrestrial or satellite based pager and a receive portion of said satellite communications device are configured to continuously receive power from said power source.

25. The device of claim 24, wherein:

said power controller is configured to establish low-power connections between said power source and second portions of said autonomous interrogatable information and position device, and operable in response to said activation device to establish high-power source connections to said second portions when said activation signal is detected.

26. The device of claim 1, wherein:

said control processor executes preprogrammed operational sequences of instructions to generate said response message in response to said interrogation message.

27. The device of claim 1, wherein:

said control processor is configured to initiate a call to said satellite communications network.

28. The device of claim 1, wherein:

said control processor is configured to initiate a call to said satellite communications network at periodic intervals to report said positional location.

29. The device of claim 1, wherein:

said control processor is configured to initiate a call to said satellite communications network in response to a pre-defined condition detected by said local site sensors.

30. The device of claim 5, wherein:

said control processor is configured to initiate a call to said satellite communications network at periodic intervals to report said external local site sensor data.

31. A method for determining a positional location and local site information of a remote entity, said method comprising the steps of:

providing at said remote entity an autonomous interrogatable information and position device comprising;

a satellite communications device for sending and receiving digital messages to and from a satellite communications network;

a geo-location device for receiving a positioning data signal and for determining said positional location without allowing external detection of said positional location;

an input port; and

a control processor coupled to said satellite communication device, said geo-location device, and said input port, said control processor being operable to monitor said positional location and input data received at said input port, and said control processor being responsive to an interrogation message received by said satellite communications device to generate a response message for transmission to said satellite communications network via said satellite communications device;

coupling said input port of said autonomous interrogatable information and position device to local site sensors of interest local to said remote entity;

causing said autonomous interrogatable information and position device to monitor said positional location as determined by said geo-location device and local site sensor data received at said input port;

transmitting an interrogation message to said autonomous interrogatable information and position device;

receiving a response message from said autonomous interrogatable information and position device.

32. The method of claim 31, wherein:

said interrogation message comprises a request for said positional location.

33. The method of claim 32, wherein:

said response message comprises said positional location.

34. The method of claim 31, wherein:

said interrogation message comprises a request for said local site sensor data.

35. The method of claim 34, wherein:

said response message comprises said local site sensor data.

36. The method of claim 31, wherein:

said autonomous interrogatable information and position device comprises an output port and is responsive to a command message to output signals to said output port, said method further comprising the step of;

coupling said output port to one or more control inputs of one or more external devices local to said remote entity.

37. The method of claim 36, further comprising the step of:

transmitting said command message to, and thereby causing, said autonomous interrogatable information and position device to output control signals to, and to thereby remotely control, said one or more external devices.

39. The system of claim 35, wherein:

said interrogation message comprises a request for said positional location.

40. The system of claim 39, wherein:

said response message comprises said positional location.

38. A system for remotely tracking and monitoring local conditions of a remote entity, comprising:

an autonomous interrogatable information and position device, comprising;

a satellite communications device for sending and receiving digital messages to and from a satellite communications network;

a geo-location device for receiving positioning signals and for determining a positional location of said autonomous interrogatable information and position device without allowing external detection of said positional location;

an input port, said input port configured to allow coupling of said autonomous interrogatable information and position device to external local site sensors to obtain external local site sensor data; and

a control processor coupled to said satellite communication device, said geo-location device, and said input port, said control processing being operable to monitor said positional location and said external local site sensor data, and being responsive to an interrogation message received by said satellite communications device to generate a response message in response to said interrogation message for transmittal to said satellite communications network via said satellite communications device;

one or more site sensors configured to detect conditions of interest local to said remote entity, said autonomous interrogatable information and position device being coupled to receive input data from said one or more site sensors via input port; and

a second satellite communications device configured to generate said interrogation message and receive said response message.

41. The system of claim 38, wherein:

said interrogation message comprises a request for said input data received at said input port of said autonomous interrogatable information and position device.

42. The system of claim 41, wherein:

said response message comprises said input data received at said input port of said autonomous interrogatable information and position device.

43. The system of claim 38, wherein:

said autonomous interrogatable information and position device comprises;

an output port, said output port being responsive to a command message received via said satellite communications device to output signals to said output port.

44. The system of claim 43, wherein:

said output port is coupled to control inputs of one or more devices; and

said command message causes said autonomous interrogatable information and position device to output control signals to, and thereby provides remote control of, said control inputs of said one or more devices via said output port.

45. An autonomous interrogatable information and position device, comprising:

a satellite communications device for sending and receiving digital messages to and from a satellite communications network;

a geo-location device for receiving positioning signals and for determining a positional location of said autonomous interrogatable information and position device without allowing external detection of said positional location;

an input port, said input port configured to allow coupling of said autonomous interrogatable information and position device to external local site sensors to obtain external local site sensor data;

a control processor coupled to said satellite communication device, said geo-location device, and said input port, said control processing being operable to monitor said positional location and said external local site sensor data, and being responsive to an interrogation message received by said satellite communications device to generate a response message in response to said interrogation message for transmittal to said satellite communications network via said satellite communications device;

voice input means; and

a voice message formatter for converting a voice signal received from said voice input means into a digital voice message for transmission to said satellite communications network via said satellite communications device.

46. An autonomous interrogatable information and position device, comprising:

a satellite communications device for sending and receiving digital messages to and from a satellite communications network;

a geo-location device for receiving positioning signals and for determining a positional location of said autonomous interrogatable information and position device without allowing external detection of said positional location;

an input port, said input port configured to allow coupling of said autonomous interrogatable information and position device to external local site sensors to obtain external local site sensor data;

a control processor coupled to said satellite communication device, said geolocation device, and said input port, said control processing being operable to monitor said positional location and said external local site sensor data, and being responsive to an interrogation message received by said satellite communications device to generate a response message in response to said interrogation message for transmittal to said satellite communications network via said satellite communications device;

a voice message deformatter for converting a digital voice message received from said satellite communications network via said satellite communications device into a voice message; and

voice output means for converting said voice message into a voice signal.

47. An autonomous interrogatable information and position device, comprising:

a satellite communications device for sending and receiving digital messages to and from a satellite communications network;

a geo-location device for receiving positioning signals and for determining a positional location of said autonomous interrogatable information and position device without allowing external detection of said positional location;

an input port, said input port configured to allow coupling of said autonomous interrogatable information and position device to external local site sensors to obtain external local site sensor data; and

a control processor coupled to said satellite communication device, said geo-location device, and said input port, said control processing being operable to monitor said positional location and said external local site sensor data, and being responsive to an interrogation message received by said satellite communications device to generate a response message in response to said interrogation message for transmittal to said satellite communications network via said satellite communications device, wherein said control processor executes preprogrammed operational sequences of instructions to generate said response message in response to said interrogation message.

48. An autonomous interrogatable information and position device, comprising:

a satellite communications device for sending and receiving digital messages to and from a satellite communications network;

a geo-location device for receiving positioning signals and for determining a positional location of said autonomous interrogatable information and position device without allowing external detection of said positional location;

an input port, said input port configured to allow coupling of said autonomous interrogatable information and position device to external local site sensors to obtain external local site sensor data;

a control processor coupled to said satellite communication device, said geo-location device, and said input port, said control processing being operable to monitor said positional location and said external local site sensor data, and being responsive to an interrogation message received by said satellite communications device to generate a response message in response to said interrogation message for transmittal to said satellite communications network via said satellite communications device, wherein said control processor is configured to initiate a call to said satellite communications network.