Ajax Magnethermic Corporation

Sports Sciences, Inc.

Robert W Baskette

John D Lipps

Stephen J Szczecinski

Gregory A Bass

An energy-efficient power inverter is disclosed which changes direct current provided at a pair of source terminals to alternating current at load terminals. The power inverter comprises a switch device and snubber circuit including a resistance, a capacitance and a saturable core device for selectively removing the resistance from the snubber circuit. At saturation the core device effectively shorts the resistance out of the circuit, and upon coming out of saturation the device effectively reinserts the resistance for improved reduction in power losses during the switch operation.

Method and apparatus for switching circuit system including a saturable

Apparatus including a video baseball-simulating game and a special bat containing a combination of electronic, mechanical, and optical components for providing infrared radiation or other energy (typically electrical) that is modulated when the player swings the bat and thus actuates a centrifugal switch therein. Receiving and decoding means receive the energy and, responsive thereto, provide digital signals to software in the video game to control an animated batter in the visual display therein. An alternative form of the apparatus functions similarly, except that radiation is emitted from, and received at, a 'home plate' on the floor and is modulated by the swinging of an ordinary bat to diffract a portion of the radiation in its path from emitter to receiver.

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Chagrin Falls, OH, United States of America

Robert W Baskette