Sonar depth display

This invention describes a marine electronics system that takes depth data from a sonar device mounted on a boat. Specifically, it uses a sonar that looks forward in the direction the boat is traveling. The system then shows this depth information directly on a digital navigation chart, potentially including the boat's heading line relative to a planned route.

Why it matters: Filed before marine multi-function displays became powerful, integrated computing platforms. Modern systems offer robust software environments for real-time chart rendering and sensor data overlay, simplifying this integration.

Status: Not in forceListed as no longer active. The specific reason is not in the record we hold.
How hard to build: SpecializedSoftware system, marine electronics integration

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