1
John D Lipps, Stephen J Szczecinski, Robert W Baskette: Sensing spatial movement. Sports Sciences, John L Gray, April 21, 1998: US05741182 (131 worldwide citation)

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 s ...


2
John D Lipps, Stephen J Szczecinski, Gregory J Svetina: Riding board game controller. John D Lipps, Thompson Hine & Flory, January 19, 1999: US05860861 (39 worldwide citation)

A riding board game controller for sending directional and non-directional control signals to an audio-visual game having a microprocessor-based host computer for sending audio-visual signals to a display device, the riding board game controller comprising: a substantially rectangular platform, pivo ...


3
John D Lipps, Stephen J Szczecinski: Golf practice apparatus. Sports Sciences, John L Gray, November 11, 1997: US05685782 (18 worldwide citation)

An apparatus for the practicing of golf swings utilizing a motion sensor and a radiation source on the forehead of the user which projects a radiated signal when head motion is sensed. The signal is detected by a unit contemporaneously with the golfer's swinging either-a golf club, if he is outside, ...


4
Jeffrey A Dobos, Stephen J Szczecinski, David L Thomas, Robert A Custer, Christopher J Krempel, Richard A D Angelo: Apparatus for calibrating a digital field sensor. Mitchell Rose, Jones Day Reavis & Pogue, September 18, 2003: US20030174068-A1

An apparatus for use with a digital field sensor comprises a digital communication circuit. The digital communication circuit is operative to output a digital signal indicative of calibration information for the digital field sensor. A processor is connected in operational communication to the digit ...



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