1
John J Galvin, Daniel E Swiger: Brushless DC spindle motor startup control. Quantum Corporation, David B Harrison, June 25, 1996: US05530326 (54 worldwide citation)

Angular position of a polyphase brushless DC motor rotor is determined by the steps of generating a sequence of pulses with a programmed digital microcontroller, sequentially applying the pulses to selected ones of the plural windings or winding pairs, and sequentially measuring differential inducti ...


2
John J Galvin, Richard L Miller: Electrical shock proof fiber optic control system. Richard L Miller, April 7, 1987: US04655544 (5 worldwide citation)

An electrical shock proof fiber optic control system is disclosed which provides the equivalent of a multiple contact slide switch in optical form along with a fiber optic decoder/interface. Provision is made for single pole switches and multiple throw switches with any number of switch contacts. A ...