Location History:
- Idaho Falls, ID (US) (1995 - 2002)
- Butte, MO (US) (2020 - 2023)
- Butte, MT (US) (2006 - 2024)
Company Filing History:
14 out of 572 
6 out of 11 
4 out of 8 Years Active: 1995-2024
Title: **John L. Morrison: Pioneering Innovations in Impedance Measurement**
Introduction
John L. Morrison is an accomplished inventor based in Butte, Montana, with an impressive portfolio of 26 patents. His work primarily focuses on advanced devices and methods for impedance measurement, addressing critical challenges in the field of electrical engineering.
Latest Patents
Two of Morrison's latest patents are notable for their innovative approaches to impedance measurement. The first patent, titled "Enhanced Chirp Excitation Signal for Broadband Impedance Measurement," details devices and methods that perform AC impedance measurement using an excitation signal that incorporates a root mean squared current or voltage. This invention applies a sequence of frequencies within multiple frequency groups, enhancing measurement accuracy across a broader spectrum.
The second patent, "Multispectral Impedance Determination Under Dynamic Load Conditions," introduces advanced impedance testing devices and systems. This method involves exciting a Device Under Test (DUT) with a multispectral signal while it is subjected to load conditions. By sampling the DUT’s response over specific time periods and analyzing both in-band and out-of-band intervals, Morrison's invention allows for a more refined estimation of impedance under varying load conditions.
Career Highlights
John L. Morrison has made significant contributions to the field of impedance measurement through his roles at notable companies. He has worked at Battelle Energy Alliance, LLC, and Dynexus Technology, Inc., where his expertise and innovative thinking have led to breakthroughs in measurement technologies. His dedication to advancing the capabilities of impedance testing is evident in the patented technologies he has developed.
Collaborations
Throughout his career, Morrison has collaborated with esteemed colleagues, including William H. Morrison and Jon P. Christophersen. These partnerships have fostered a collaborative environment that has propelled their research and development efforts, contributing to significant advancements in the industry.
Conclusion
John L. Morrison's contributions to the field of impedance measurement through his numerous patents and collaborative work demonstrate his commitment to innovation. His inventions not only enhance the accuracy of impedance testing but also pave the way for future advancements in electrical engineering. With a career marked by significant achievements, Morrison continues to be a vital figure in the realm of innovations in measurement technologies.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.