Land vehicle navigation apparatus with visual display

Patent 5243528 Issued on September 7, 1993. Estimated Expiration Date:

September 12, 2010. 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.

Abstract Claims Description Full Text

Patent References

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Inventor

Lefebvre, Rebecca K.

Assignee

Motorola, Inc.

Application

No. 581495 filed on 09/12/1990

US Classes:

701/211, Having audio or visual route guidance340/990, With map display340/995.19, Route determination and display on map340/995.21, Off course, route re-search701/207, Employing position determining equipment701/210Route correction, modification, or verification

Examiners

Primary: Trans, Vincent N.
Assistant: Auchterlonie, Thomas S.

Attorney, Agent or Firm

Melamed; Phillip H., Moore; John H.

International Class

G06F 015/50

Abstract

Land vehicle navigation apparatus (10) with a visual display (16, 20) is provided. The apparatus provides a visual display of a calculated navigation route (22) with a visual indication (23) of the direction of desired travel along the navigation route. An off route map display portion (28) is provided which has the visual navigation route display (22) in one color and, in a second contrasting color, a visual display (24, 26) of actual vehicle travel. A separate additional feature is that an off route display (20) provides a visual display portion (29) of a plurality of operator selectable off route recovery options (1-6). Off route recovery means (12, 49-63) are provided such that the vehicle operator can implement the visually displayed recovery options. The result is a navigation system which visually provides vehicle navigation information to the vehicle operator in an improved minimal comprehension time format, and allows the vehicle operator to select for himself how to recover from an off route condition.