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U.S. Patents Awarded to Inventors in Connecticut (Feb. 19)

ALEXANDRIA, Va., Feb. 19 — Kerr, Orange, Calif., has been assigned a patent (8,113,830) developed by Owen J. Gill, Southbury, Conn., and Denis J. Lachance, New Fairfield, Conn., for a curing light instrument.

The abstract of the patent published by the U.S. Patent and Trademark Office states: “An instrument for curing light-curable compounds that includes at least one light-emitting element operable for emitting light in a band of wavelengths and is capable of curing a light-curable compound. A control circuit controls the operation of the light-emitting element. The control circuit is operable for providing a power signal to the light-emitting element at a steady state power level to drive the element to emit a steady state light output. The control circuit, while continuing with a power signal at the steady state power level, is further operable to provide temporary micro-pulses in the power signal to temporarily provide an increased power level to the light-emitting element above the steady state power level before returning to the steady state power level, to thereby increase the light output of the instrument while controlling heat generated thereby.”


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