John J Quintus

Title: Innovations of John J Quintus

Introduction

John J Quintus is a notable inventor based in Buena Park, California. He has made significant contributions to the field of technology, particularly in the area of tape drive systems. With a total of three patents to his name, Quintus has demonstrated his expertise and innovative spirit.

Latest Patents

One of his latest patents is an "Apparatus and method for automatic write current calibration in a tape drive." This invention focuses on calibrating the write current applied to a write head in a tape drive. It finds the peak value of the write current by measuring the voltage sensed by a read head. The apparatus includes a digital write current control circuit that adjusts the write current based on a digital value. The method involves sampling the output of a pattern detector while adjusting the digital read gain value, ultimately leading to the selection of a calibrated digital write current.

Another significant patent is the "Track and hold phase locked loop circuit." This invention includes ramp generating circuitry that produces a dual slope ramp signal. The circuit is designed to provide a sample output representative of the dual ramp signal level at the time of sampling. The phase locked loop also features track and hold circuitry that manages multiple track/hold capacitors, ensuring efficient voltage tracking and holding.

Career Highlights

John J Quintus is currently employed at Archive Corporation, where he continues to innovate and develop new technologies. His work has had a lasting impact on the industry, particularly in enhancing the performance of tape drives.

Collaborations

Throughout his career, Quintus has collaborated with notable colleagues, including Michael S Sheehan and William A Buchan. These partnerships have contributed to the advancement of his projects and the successful development of his patents.

Conclusion

John J Quintus is a distinguished inventor whose work in tape drive technology has led to several important patents. His innovative contributions continue to shape the industry and inspire future advancements.