Automotive emergency awareness system

• US 6,363,325 B1
• Filed: 01/31/2000
• Issued: 03/26/2002
• Est. Priority Date: 01/31/2000
• Status: Expired due to Term

• Current Assignee: Harman International Industries Incorporated (Samsung Electronics Co. Ltd.)
• Original Assignee: International Business Machines Corporation
• Inventors: Bates, Cary Lee, Santosuosso, John Matthew, Ryan, Jeffrey Michael
• Primary Examiner(s): Cuchlinski, Jr., William A.
• Assistant Examiner(s): MANCHO, RONNIE M
• Application Number:
  US09/493,594
• Time in Patent Office: 785 Days
• Field of Search: 701/301, 701/300, 701/14, 701/28, 701/24, 380/29, 380/31, 380/30, 380/28, 702/187, 345/184, 345/156, 345/970, 345/440
• US Class Current: 701/301
• CPC Class Codes: G08G 1/0965 responding to signals from another vehicle, e.g. emergency vehicle
• CPC Class Codes: G08G 1/096716 where the received information does not generate an automatic action on the vehicle control
• CPC Class Codes: G08G 1/096741 where the source of the transmitted information selects which information to transmit to each vehicle
• CPC Class Codes: G08G 1/164 Centralised systems, e.g. external to vehicles
• CPC Class Codes: Y10S 715/97 Instrumentation and component modelling, e.g. interactive control panel

Abstract

A vehicular emergency awareness system and method is provided. A vehicle is provided with an onboard computer system adapted to receive and process signals generated at an external source. Under predetermined conditions, the emergency awareness system alerts the driver of the vehicle of a proximal hazard or emergency, such as hazardous road conditions, nearby emergency vehicles and the like. In one embodiment, a program product is provided which, when executed by the computer, causes the computer or other devices to process the received signal, determine whether a warning should be provided to the driver and, if so, provide a signal to one or more output devices disposed on the vehicle.

Claims

1. A computer system for use in a vehicle, comprising:

(a) one or more signal sensors configured to receive a source signal from an external source external to the vehicle and transmit an input signal corresponding to the source signal;

(b) a signal processing unit comprising a memory containing stored signal data representing a plurality of ambient driving conditions and coupled to the one or more signal sensors, wherein the signal processing unit is configured to perform the steps of;

(i) receiving the input signal;

(ii) comparing the input signal to the stored signal data; and

(iii) selectively producing an output signal; and

(c) one or more output devices coupled to the signal processing unit and configured to provide a warning output to an operator of the vehicle upon receiving the output signal.

2. The computer system of claim 1, wherein the stored signal data identifies one or more signal sources selected from the group comprising vehicles, road hazards, a school zone and combinations thereof.

3. The computer system of claim 1, wherein the one or more output devices are selected from the group comprising analog devices, digital devices and combinations thereof.

4. The computer system of claim 1, wherein the output devices comprise a device selected from the group comprising a light source, an audio source, a wireless communication device, a text display and combinations thereof.

5. The computer system of claim 1, further comprising a program product containing the stored signal data and which, when executed by the signal processing unit, provides the stored signal data to the memory and performs the steps (b)(i)-(iii).

6. The computer system of claim 1, wherein the memory further contains trigger condition data which, when read and executed by the computer system, determines whether the output signal is produced at step (b)(iii).

7. The computer system of claim 1, wherein the memory contains a data structure containing:

(i) the stored signal data;

(ii) trigger condition data which, when read and executed by the computer system, determines whether the output signal is produced at step (b)(iii); and

(iii) an action record containing information about which of the one or more output devices are selected to provide the warning signal.

8. The computer system of claim 1, wherein the stored signal data contains analog signal information and digital signal information.

9. The computer system of claim 1, wherein the signal processing unit is configured to determine at least one of a distance between the computer system and the external source and the direction of the external source relative to the computer system.

10. The computer system of claim 9, wherein the memory contains a Global Positioning System (GPS) program which, when executed by the computer system, determines a position of the computer system.

11. An appartus, comprising:

(a) a vehicle; and

(b) a computer system disposed on the vehicle, comprising;

(i) one or more sensors adapted to receive a source signal from an external source external to the vehicle and transmit an input signal corresponding to the source signal;

(ii) a signal processing unit coupled to the one or more signal sensors and configured to receive the input signal and generate and output signal in the event the input signal is recognizable as one of a plurality of driving conditions external to the vehicle; and

(iii) one or more output devices coupled to the signal processing unit and configured to receive the output signal and provide a warning output to a vehical operator indicating a condition external to the vehicle.

12. The apparatus of claim 11, wherein the source is selected from the group comprising another vehicle, a road hazard area, a school zone and a combination thereof.

13. The apparatus of claim 11, wherein the output devices comprise a device selected from the group comprising a light source, an audio source, a wireless communication device, a text display and any combination thereof.

14. The apparatus claim 11, further comprising a Global Positioning System (GPS) configured to determine a position of the computer system and wherein the signal processing unit is configured to determine at least one of the distance between the computer system and the external source and the relative direction of movement between the external source and the computer system.

15. The apparatus of claim 11, further comprising a memory accessible by the signal processing unit and containing stored signal data identifying the plurality of driving conditions external to the vehicle and wherein the step of determining whether the input signal is recognizable comprises comparing the input signal with the stored signal data.

16. The apparatus of claim 15 wherein the memory further contains trigger condition data which, when read and executed by the computer system, determines whether the output signal is generated.

17. A signal-bearing medium containing a program which, when executed by one or more processors, performs the steps of:

(a) processing a signal to provide signal information therefrom;

(b) determining a relationship between the signal information and stored information contained in a data structure, wherein the stored information represents a plurality of driving conditions external to a vehicle; and

(c) outputting a warning signal to one or more output devices to alert a person operating the vehicle of a driving condition in an external environment of the vehicle.

18. The signal-bearing medium of claim 17, wherein the stored information contains analog signal information and digital signal information.

19. The signal-bearing medium of claim 17, further comprising a computer system disposed on the vehicle comprising the one or more processors and the one or more output devices.

20. The signal-bearing medium of claim 17, wherein the signal bearing medium contains a Global Positioning System (GPS) program which, when executed by the by one or more processors, determines a position of the vehicle.

21. The signal-bearing medium of claim 17, wherein step (c) comprises activating one or more output devices disposed in the vehicle.

22. The signal-bearing medium of claim 17, wherein step (c) comprises first determining whether trigger conditions are met in the event a relationship is found in step (b).

23. The signal-bearing medium of claim 22, wherein the trigger conditions are selected from the group comprising a duration of the signal, a source of the signal, an intensity of the signal, a position of a source of the signal relative to the vehicle, a direction of travel of the signal relative to the vehicle and combinations thereof.

24. The signal-bearing medium of claim 17, wherein the stored information identifies one or more signal sources each of which can affect a driving behavior of the person operating the vehicle.

25. The signal-bearing medium of 17, wherein the stored information identifies one or more signal sources selected from the group comprising vehicles, road hazard sites, school zones and combinations thereof.

26. A method of alerting a driver of a vehicle to a condition in an environment external to the vehicle, comprising:

(a) providing a computer system comprising a data structure containing signal-type information representing a plurality of driving conditions external to the vehicle;

(b) receiving a signal from a source external to the vehicle;

(c) processing the signal to provide signal information; and

(d) determining whether a relationship between the signal information and the signal-type information exists;

(e) outputting a warning signal to one or more output devices disposed in the vehicle in order to alert the driver of the vehical to the condition.

27. The method of claim 26 wherein (d) comprises determining whether the source identifies an emergency vehicle or a road hazard.

28. The method of claim 26, further comprising providing a warning signal to one or more output devices disposed in the vehicle in the event trigger condition information stored in the data structure is satisfied by the signal information.

29. The method of claim 28 wherein the trigger conditions are selected from the group of signal duration, signal source, direction of travel of the signal source, signal intensity, position of the signal source relative to the vehicle and any combination thereof.

30. A method of detecting a condition in an environment of a vehicle, comprising:

(a) training a computer system to recognize one or more signal types identifying conditions selected from the group of emergency vehicles, road hazard areas, school zones and combinations thereof;

(b) receiving a signal from a source;

(c) determining whether the signal is sufficiently similar to one or more of the signal types; and

(d) if the signal is sufficiently similar in (c), outputting a warning signal to one or more output devices in order to alert an operator of the vehicle of the condition.

31. The method 30, further comprising, prior to (d), the step of:

if the signal is sufficiently similar in (c), determining whether one or more trigger conditions contained in a data structure on the computer system are satisfied.

32. The method of 30, wherein training the computer system comprises storing data samples on the computer system.