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US 8,577,525 B2Granted
Shallow water highlight method and display systems
AssigneeJohnson Outdoors Marine Electronics, Inc.
InventorsMichael Wesley Wood, Jeffrey Earl Smith
Life of this patent
Estimating the term…
Abstract
A digital mapping display and related system for fishing, and other applications.
Claims4
A method of displaying a depiction of an area of a body of water on a display, the method comprising the steps of:
- receiving a user selection of a shallow water depth to be highlighted on the depiction of the area of the body of water on the display;
- determining at least one shallow water region to be highlighted on the display that is shallower than the shallow water depth;
- and
- outputting one or more indications representative of the at least one shallow water region on the display to highlight the at least one shallow water region.
1 more element
A method of providing a visual navigational aid on a chart of at least a portion of a body of water displayed on a display, comprising the steps of:
- setting a shallow water highlight depth;
- determining at least one contiguous shallow water region to be highlighted on the display that is shallower than the shallow water highlight depth based on contour lines contained on the chart;
- and
- outputting one or more indications representative of the at least one contiguous shallow water region on the display to highlight the at least one shallow water region.
1 more element
Dependencies are inferred from the claim text.