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Article: New Hampshire Inventors Develop Marine Vessel Speed Sensor
- Article from:
- US Fed News Service, Including US State News
- Article date:
- May 6, 2008
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ALEXANDRIA, Va., May 6 -- Stephen G. Boucher of Amherst, N.H., and Frederic S. Boericke II of Mount Vernon, N.H., have developed paddlewheel-type marine speed sensors.
According to the U.S. Patent & Trademark Office: "A speed sensor for a marine vessel includes a correction circuit to correct any sensor non-linearities so that the sensor produces an output with a pulse stream having a constant pulse rate, and reduces the pulse-to-pulse variations of the pulse stream. The circuit can standardize the pulse stream to have a frequency corresponding to a standard rate."
The inventors were issued U.S. Patent No. 7,352,171 on April 1.
The patent has been assigned to Airmar Technology Corp., ...