Controller for propulsion unit, control program for propulsion unit controller, method of controlling propulsion unit controller, and controller for watercraft
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United States of America Patent
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Aug 26, 2008
Grant Date -
Dec 1, 2005
app pub date -
May 11, 2005
filing date -
May 11, 2004
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A boat control system can include a propulsion unit controller, a port outboard motor, and a starboard outboard motor. The propulsion unit controller can includes an electronic throttle valve control section, an electronic shift control section, an electronic steering control section, a target control value calculating section, and a GPS receiver. The target control value calculating section can be adapted to calculate engine revolutions and steering angles corresponding to target values of the port outboard motor and the starboard outboard motor based on target values preset by an operator and values detected by the GPS receiver.
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