Article: U.S. Patents Awarded to Inventors in New Hampshire (May 6)

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ALEXANDRIA, Va., May 6 -- The following federal patents were awarded to inventors in New Hampshire.***New Hampshire Inventors Develop Marine Vessel Speed SensorALEXANDRIA, 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 ...

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