U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Tracking system

Patent 5014206 Issued on May 7, 1991. Estimated Expiration Date: Icon_subject August 22, 2008. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

Geodetic survey method
Patent #: 4060718
Issued on: 11/29/1977
Inventor: Huddle

Vehicle position indicator
Patent #: 4145605
Issued on: 03/20/1979
Inventor: Marcus

Vehicle position indicator with selectable position alarm means
Patent #: 4229724
Issued on: 10/21/1980
Inventor: Marcus

Vehicle monitoring and recording system
Patent #: 4258421
Issued on: 03/24/1981
Inventor: Juhasz ,   et al.

Means for assisting in locating an object
Patent #: 4476469
Issued on: 10/09/1984
Inventor: Lander

Method of collecting and using data associated with tagged objects
Patent #: 4688026
Issued on: 08/18/1987
Inventor: Scribner ,   et al.

Method for positioning moving vehicles and exchanging communications between the vehicles and a central station
Patent #: 4701760
Issued on: 10/20/1987
Inventor: Raoux

Vehicle location system
Patent #: 4740792
Issued on: 04/26/1988
Inventor: Sagey ,   et al.

Hybrid navigation system for determining a relative position and direction of a vehicle and method therefor
Patent #: 4743913
Issued on: 05/10/1988
Inventor: Takai

Navigation system for automotive vehicle including feature of updating vehicle position at selected points along preset course
Patent #: 4774672
Issued on: 09/27/1988
Inventor: Tsunoda ,   et al.

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Inventors

Assignee

Application

No. 234543 filed on 08/22/1988

US Classes:

701/207, Employing position determining equipment340/825.49, Location indication342/457, Land vehicle location (e.g., bus, police car701/200, NAVIGATION701/219Using Loran or Shoran or Decca equipment

Examiners

Primary: Chin, Gary

Attorney, Agent or Firm

International Class

G06F 015/50

Abstract

A system used for determining and recording the location of a vehicle during the occurence of predetermined events. The vehicle is equipped with a sensor or sensors which respond to the occurrence of the predetermined events. The sensors are connected to a navigational system which receive positional information from a navigational transmitter. The navigational system then computes the positional information, such as latitude and longitude of the vehicle, and stores this information in a data collector on the vehicle. The date and time of day of the occurrence of the events may also be stored along with the positional information.

Other References

  • "Satellite Navigation Systems", McGraw Hill Encyclopedia of Science and Technology, vol. 16, pp. 55-58
  • "Loran", McGraw Hill Encyclopedia of Science and Technology, vol. 10, pp. 178-181
  • Magnavox Marine and Survey Systems Division Brochure, "After Challenger: Marine Satellite Navigation at the Crossroads"
  • Allen Bradley Publication 2750, dated Apr. 198
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