David A Geller

Title: Innovations by David A. Geller

Introduction

David A. Geller is an accomplished inventor based in Chicago, IL. He holds a total of four patents, showcasing his innovative contributions to technology and gaming. His work primarily focuses on enhancing user interaction in arcade games and control devices.

Latest Patents

One of Geller's latest patents is for a target shooting game with a photoelectric orientation sensing apparatus. This apparatus is designed to sense the absolute elevation and azimuth of a device, such as a gun in an arcade target shooting game. The gun is fixed to a shaft that pivots about horizontal and vertical axes, connected to encoder plates that rotate in response to the gun's movement. The design includes apertures arranged in concentric rings that intercept light beams directed to photodetectors, producing coded indications of movement.

Another significant patent is the adapter circuit for a trackball device. This adapter features a program-controlled microprocessor that can be coupled to the output of a trackball-type position control device. It operates in two modes: one that converts trackball output signals for use with a switch-type joystick, and another that adapts the signals for a proportional type joystick. This innovation enhances the versatility of control devices in gaming.

Career Highlights

David A. Geller is currently associated with Wico Corporation, where he continues to develop and refine his inventions. His work at Wico Corporation has allowed him to contribute significantly to the field of gaming technology.

Conclusion

David A. Geller's innovative patents reflect his dedication to advancing technology in gaming and user interaction. His contributions have made a lasting impact on the industry, showcasing his expertise and creativity as an inventor.