This inventor holds 2 USPTO granted patents. Top assignee: Delco Electronics Corporation. Active years: 1997-1998.
Company Filing History:
Years Active: 1997-1998
Title: Innovations of Jeffrey Lynn Shepard
Introduction
Jeffrey Lynn Shepard is an accomplished inventor based in Lapeer, MI (US). He holds 2 patents that showcase his expertise in the field of automotive technology. His innovative contributions have significantly impacted the design and functionality of automotive gauge systems.
Latest Patents
One of Shepard's latest patents is for a "Stepper motor gauge calibration by AC feedback." This invention utilizes a high-frequency AC probe signal applied to one coil of a stepper motor to induce a signal on the other coil. The induced signal varies in amplitude according to rotor position, allowing for precise calibration. The stepper motor is driven by a microprocessor in microsteps, and the position of a mechanical stop is determined by monitoring the induced signal while driving the rotor to the stop. This method ensures accurate recording of the rotor position corresponding to the stop position.
Another notable patent is the "Robust gauge driving circuit with pulse modulated input." This invention involves an input circuit for an automotive gauge driver that receives a pulse width modulated or pulse frequency signal. The circuit is designed to develop an analog voltage proportional to the parameter being displayed, ensuring linear gauge operation. The design includes features that allow it to respond correctly to a wide range of supply voltages, enhancing its reliability in various automotive applications.
Career Highlights
Jeffrey Lynn Shepard has made significant contributions to Delco Electronics Corporation, where he has applied his innovative ideas to develop advanced automotive technologies. His work has been instrumental in improving the performance and accuracy of automotive gauges.
Collaborations
Throughout his career, Shepard has collaborated with notable colleagues, including Raymond Lippmann and Frank J. Atherton. These collaborations have fostered an environment of innovation and creativity, leading to the development of groundbreaking technologies in the automotive sector.
Conclusion
Jeffrey Lynn Shepard's contributions to automotive technology through his patents demonstrate his commitment to innovation and excellence. His work continues to influence the industry, paving the way for future advancements in automotive gauge systems.