Company Filing History:
2 out of 76 
1 out of 12 Years Active: 1984-1989
Title: The Innovations of Ernest F. Close
Introduction
Ernest F. Close is a notable inventor based in Fort Wayne, Indiana, recognized for his contributions to the field of electronics, particularly in cathode ray tube technology. With a total of three patents to his name, Close has made significant advancements that have influenced the design and functionality of display systems.
Latest Patents
One of Close's latest patents is a display control apparatus that enhances the performance of cathode ray tubes (CRTs). This invention involves horizontal and vertical deflection windings in a deflection yoke coil assembly, which are driven by x and y analog deflection signals. The x and y signals are converted into digital formats, allowing for precise geometric corrections stored in memory. These corrections are then utilized to improve the accuracy of the display, ensuring that the electron beam is accurately directed across the screen.
Another significant patent by Close is the amplifier dissipation divertor circuit. This invention addresses the challenges of power dissipation in deflection operational amplifiers used in CRTs. By incorporating a dissipative resistor and a shunt-connected bypass capacitor, the circuit effectively manages power during various operational conditions. This innovation allows for better control of the current through the deflection yoke coil, enhancing the overall performance of the display.
Career Highlights
Throughout his career, Ernest F. Close has worked with prominent companies in the electronics industry. He has been associated with Magnavox Government and Industrial Electronics Company, as well as Magnavox Consumer Electronics Company. His experience in these organizations has contributed to his expertise in developing innovative electronic solutions.
Collaborations
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Conclusion
Ernest F. Close's contributions to the field of electronics, particularly through his patents related to cathode ray tube technology, demonstrate his innovative spirit and technical expertise. His work continues to influence the design and functionality of display systems today.