This inventor holds 21 USPTO granted patents and 1 published patent application, plus 1 CIPO patent, primarily in Signal Processing. Top assignees: Finesse Wireless, LLC, Parkervision, Inc., Avaya Technology LLC. Active years: 1995-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Farmington, UT (US) (2007)
- Livermore, CA (US) (1995 - 2008)
- Fallbrook, CA (US) (2010)
- Park City, UT (US) (2010 - 2023)
Company Filing History:
6 out of 6 
3 out of 222 
2 out of 696 
Years Active: 1995-2026
Areas of Expertise:
Title: **Innovative Contributions of Francis James Smith in Signal Processing**
Introduction
Francis James Smith, an accomplished inventor based in Livermore, California, has made significant contributions to the field of signal processing with a notable portfolio of 20 patents. Throughout his career, he has developed innovative methods aimed at improving the efficiency and effectiveness of communications systems.
Latest Patents
One of Francis James Smith's latest patents focuses on the cancellation of spurious intermodulation products produced in nonlinear channels by frequency hopped signals and spurious signals. This invention presents a sophisticated method and apparatus for intermodulation product (IMP) cancellation. The method involves several steps: acquiring copies of source signals that generate IMPs in a targeted passband, and then creating copies of these IMPs for use as cancellation signals. This is achieved by either multiplying the source signals as digital samples to produce a near real-time copy of the IMPs or summing the source signals and applying a mathematical model for effective multiplication. Furthermore, the invention allows for adjustments to the phase and amplitude of the copies before utilizing them to cancel the IMPs in the desired passband.
Career Highlights
Throughout his career, Francis has made a significant impact in the industry, particularly while working at Finesse Wireless, LLC, where his expertise in signal processing was pivotal. His work embodies a blend of theoretical understanding and practical application, showcasing his dedication to advancing technology.
Collaborations
Francis has collaborated with notable coworkers, including David F. Sorrells and Michael J. Bultman. These partnerships have been instrumental in driving innovation and enhancing the effectiveness of their projects in signal processing technologies.
Conclusion
Francis James Smith's exceptional inventions and patents demonstrate his commitment to innovation in the field of signal processing. His latest work in intermodulation product cancellation not only reflects his technical expertise but also contributes significantly to advancements in communication systems. As a respected inventor, Smith continues to inspire future generations in the realm of technological innovation.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile