GPS device with compass and altimeter and method for displaying navigation information
First Claim
1. A navigation device comprising:
- a memory for storing cartographic information, including altitude information;
an input operable to receive indication from a user of a first location and a second location;
a processor adapted to create an elevation profile of changes in elevation between the first location and the second location based upon the cartographic information; and
a display for displaying the elevation profile, wherein the input from the user further includes information defining a contemplated route between the first location and the second location, wherein the elevation profile is of changes in elevation along the contemplated route.
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Accused Products
Abstract
A portable, handheld electronic navigation device includes an altimeter, a compass, and a GPS unit. An internal memory stores cartographic data, for displaying the cartographic data on a display of the navigation device. Accordingly, the device is capable of displaying cartographic data surrounding a location of the unit as determined by GPS, heading information as determined by the compass, and altitude information as determined by the altimeter. Additionally, through operation of an input, a user can cause the display to move, and thus display additional cartographic information, in the direction of the compass heading even when the user of the device is standing still. Furthermore, through utilization of a clock, such as the GPS clock, a user can determine altitude changes over time. Also, the altimeter of the navigation may be calibrated with altitude information entered by a user, with altitude information obtained from the cartographic or with altitude information derived from GPS.
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Citations
14 Claims
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1. A navigation device comprising:
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a memory for storing cartographic information, including altitude information;
an input operable to receive indication from a user of a first location and a second location;
a processor adapted to create an elevation profile of changes in elevation between the first location and the second location based upon the cartographic information; and
a display for displaying the elevation profile, wherein the input from the user further includes information defining a contemplated route between the first location and the second location, wherein the elevation profile is of changes in elevation along the contemplated route. - View Dependent Claims (2, 3)
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4. A navigation device comprising:
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a memory for storing cartographic information, including altitude information;
an input operable to receive indication from a user of a first location, a second location, a contemplated first route between the first location and the second location, and a contemplated second route between the first location and the second location;
a processor adapted to create a first elevation profile of changes in elevation along the contemplated first route based upon the cartographic information, and to create a second elevation profile of changes in elevation along the contemplated second route based upon the cartographic information, wherein the first elevation profile and the second elevation profile can be stored in the memory; and
a display operable to display the first elevation profile and the second elevation profile substantially simultaneously so as to facilitate comparison. - View Dependent Claims (5, 6)
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7. A method of providing navigation information, the method comprising the steps of:
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(a) storing cartographic information, including altitude information;
(b) receiving an input from a user identifying a first location and a second location;
(c) creating an elevation profile of changes in elevation between the first location and the second location based upon the cartographic information without requiring the user to move form the first location to the second location; and
(d) displaying the elevation profile, wherein the input from the user further includes information defining a contemplated route between the first location and the second location, and wherein the elevation profile is of changes in elevation along the contemplated route. - View Dependent Claims (8, 9)
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10. A method of providing navigation information, the method comprising the steps of:
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(a) storing cartographic information, including altitude information;
(b) receiving an input from a user identifying a first location and a second location;
(c) creating an elevation profile of changes in elevation between the first location and the second location based upon the cartographic information without requiring the user to move from the first location to the second location;
(d) displaying the elevation profile; and
(e) storing the elevation profile for future display.
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11. A method of providing navigation information, the method comprising the steps of:
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(a) storing cartographic information, including altitude information;
(b) receiving an input from a user identifying a first location, a second location, a contemplated first route between the first location and the second location, and a contemplated second route between the first location and the second location;
(c) creating a first elevation profile of changes in elevation between the first location and the second location along the contemplated first route based upon the cartographic information, and (d) creating a second elevation profile of changes in elevation between the first location and the second location along the contemplated second route based upon the cartographic information; and
(e) displaying the first elevation profile and the second elevation profile simultaneously so as to facilitate comparison. - View Dependent Claims (12, 13, 14)
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Specification