Method for tracking real time road conditions

• US 5,982,325 A
• Filed: 11/24/1997
• Issued: 11/09/1999
• Est. Priority Date: 11/24/1997
• Status: Expired due to Fees

• Current Assignee: Racom Corp (Exela Technologies, Inc.)
• Original Assignee: Racom Corp (Exela Technologies, Inc.)
• Inventors: Thornton, Kevin M., Hattey, David L.
• Primary Examiner(s): Issing, Gregory C.
• Assistant Examiner(s): DRUMMOND, DEVIN E
• Application Number:
  US08/976,625
• Time in Patent Office: 715 Days
• Field of Search: 342/357, 701/50
• US Class Current: 342/357.31
• CPC Class Codes: G01S 19/09 providing processing capability normally carried out by the receiver
• CPC Class Codes: G01S 19/14 specially adapted for specific applications

Abstract

The apparatus and method for monitoring real time road conditions of the present invention includes providing remote units with computers having GPS receivers for detecting location, and sensors for detecting environmental information. Each remote unit includes a transceiver which transmits the time stamped located and environmental information via a wireless communication system to a base station, where the information is processed and stored. The stored information at the base station may be accessed by telephone via a voice response unit, to permit a consumer to determine real time environmental conditions of a particular location within a region.

Claims

1. An apparatus for monitoring a mobile remote unit and the environmental conditions around the mobile remote unit from a base station and for storing the monitored information and providing access to the information via telephone, comprising:

a mobile remote unit having a computer with means for determining the geographic position of the remote unit at predetermined time intervals;

an environmental sensor disposed on the mobile remote unit for sensing road conditions;

said computer receiving position signals from the position determining means and having a processor for processing each position signal with a time stamp, and for storing the time stamped signals;

communication means carried on the mobile remote unit and connected to the computer, for transmitting data from the mobile remote unit to a base station;

said computer programmed to accumulate said time stamped position signals and sensed road conditions for a predetermined time interval and to transmit accumulated signals as a download through the communication means to the base station;

said base station located remote from the mobile remote unit and including communication means for receiving downloads from the mobile remote unit;

said base station including a programmable computer with memory storage, connected to the communication means, for receiving, processing and storing downloads from the mobile remote unit;

said base station including a voice response unit interfaced with the computer and at least one telephone line, for interacting with a consumer on the telephone line and providing verbal information from the computer to the consumer.

2. The apparatus of claim 1, wherein said computer includes display means for displaying a map of a selected download.

3. The apparatus of claim 1, wherein said means for determining the geographic position of the mobile remote unit includes:

a receiver for receiving ranging signals from a plurality of global position system (GPS) satellites; and

said mobile remote unit computer connected to the receiver and operable to process and store the GPS ranging signals and to determine the position of the mobile remote unit therefrom.

4. A method of monitoring a mobile remote unit and the environmental conditions around the mobile remote unit from a base station and for storing the monitored information and providing access to the information via telephone, comprising the steps of:

providing a mobile remote unit with a computer having means for determining the geographic position of the mobile remote unit, a plurality of sensors for detecting environmental data surrounding the mobile remote unit, and a transmitter for transmitting data from the mobile remote unit to a base station;

said computer processing and time stamping signals from the position determining means, to determine the location of the mobile remote unit at predetermined time stamped intervals;

said computer processing the detected environmental data from the sensors and associating the data with the time stamped position signals;

said computer accumulating the time stamped position signals and associated environmental data and storing them in memory;

said computer transmitting a set of accumulated time stamped position signals and environmental data at a predetermined time interval to a base station; and

a computer at the base station receiving, processing, storing and selectively displaying the time stamped position signals and environmental data from the mobile remote unit.

5. The method of claim 4, further comprising the steps of:

providing a voice response unit at said base station, connected to the base station computer and at least one telephone line, for interacting with the base station computer and for providing information from the base station computer via the telephone line; and

accessing the voice response unit via the telephone line to access environmental data from the base station computer downloaded from the mobile remote unit.

6. The method of claim 4, wherein the step of providing position determining means includes providing the mobile remote unit with a receiver for receiving ranging signals from a plurality of GPS satellites.

7. The method of claim 4, further comprising the steps of:

providing a plurality of mobile remote units, each mobile remote unit having;

a computer with means for determining the geographic position of the mobile remote unit,

a plurality of sensors for detecting environmental data surrounding the mobile remote unit, and

a transmitter for transmitting data from the mobile remote unit to a base station;

each said computer processing and time stamping position signals from the position determining means, to determine the location of the mobile remote unit at predetermined time stamped intervals;

each said computer processing the detected environmental data from the sensors and associating the data with the time stamped position signals;

each said computer accumulating the time stamped position signals and associated environmental data and storing them in memory; and

each said computer transmitting a set of accumulated time stamped position signals and environmental data at a predetermined time interval to a base station; and

each base station computer receiving, processing, storing and selectively displaying the time stamped position signals and environmental data from the mobile remote units.

8. An apparatus for providing conditions of a road to a remote user comprising:

a vehicle having a position locator device for determining the location of the vehicle at a given time;

a radio transmitter on the vehicle for transmitting information including information relating to the location of the vehicle;

a base station for taking the information from the vehicle and providing the information to a remote user; and

a sensor disposed on the vehicle for sensing a road condition, for transmission to the base station along with the vehicle location information, wherein the information provided to the remote user includes data based on the sensed road condition.

9. The apparatus of claim 8 further comprising a second sensor disposed on the vehicle for sensing an operating condition of the vehicle, wherein the information provided to the remote user includes information based on the sensed operating condition of the vehicle.

10. The apparatus of claim 9 wherein the vehicle is comprised of a snowplow, and the second sensor senses whether or not the snowplow is plowing.

11. The apparatus of claim 10 wherein the information provided to the remote user includes whether the road on which the snowplow is traveling has been plowed by the snowplow.

12. The apparatus of claim 8 wherein the base station provides the information to the remote user via telephone lines.

13. A method of providing information relating to road conditions to a remote user comprising the steps of:

providing a plurality of service vehicles each having a position locating device for determining the location of the vehicle and a radio transmitter for transmitting information to a central location;

for each of the plurality of service vehicles, sensing a condition of the road and transmitting information relating to the sensed road condition and the location of the vehicle to the central location;

processing the transmitted information to provide road condition information for roads on which the vehicles are traveling; and

providing the road condition information to a remote user.

14. The method of claim 13 wherein the plurality of vehicles are each comprised of a snowplow.

15. The method of claim 14 wherein the sensed operating condition is whether the snowplow is plowing snow.

16. The method of claim 13 wherein the road condition information is provided to the remote user over a telephone line.

17. The method of claim 13, further comprising the steps of:

prompting the remote user to select a specific road; and

providing road condition information to the remote user relating to a specific road selected by the remote user.

18. The method of claim 13 further comprising the step of tracking the plurality of service vehicles over time to determine which roads have been covered by the service vehicles and when the roads were covered by the service vehicles.

19. The method of claim 13 wherein the service vehicle includes a road sanding apparatus, and wherein the sensed operating condition is whether the sanding apparatus is activated.

20. The method of claim 13 wherein the service vehicle includes a road salting apparatus, and wherein the sensed operating condition is whether the salting apparatus is activated.