This inventor holds 46 USPTO granted patents and 5 published patent applications and 4 EPO patents, primarily in Digital-To-Analog Converters. Top assignees: Analog Devices,inc., Analog Devices Global, Analog Devices International Unlimited Company. Active years: 1998-2026.
Location History:
- Co. Limerick, IE (2004 - 2006)
- Limerick, IE (1998 - 2008)
- Crecora, IE (2006 - 2008)
- County Tipperary, IE (2016 - 2017)
- Newport, IE (2012 - 2024)
Company Filing History:
17 out of 3,696Â 
15 out of 373Â 
10 out of 718Â 
Years Active: 1998-2026
Areas of Expertise:
Title: Innovations and Contributions of Dennis A Dempsey in Newport, IE
Introduction
Dennis A Dempsey, a prolific inventor based in Newport, IE, holds an impressive portfolio of 41 patents. His innovative work primarily focuses on advancements in digital-to-analog converter technologies and field-effect transistor structures, showcasing his dedication to enhancing electronic components and systems.
Latest Patents
Among Dempsey's notable inventions is the patent for a *Digital-to-analog converter glitch reduction techniques*. This digital technique minimizes switching in a digital-to-analog converter (DAC) by implementing a partial DAC data ignore switching mode. In this mode, a control circuit compares first and second digital words, operating the corresponding switches only when the two data sets differ. This technique is versatile and applicable to various types of DACs, including voltage output DACs, current output DACs, digital rheostats, and digital potentiometers.
Another significant patent is for the *Hybrid field-effect transistor (FET)*. This FET structure features a substrate and an active region with a dielectric layer covering the channel of the active region. The design includes unique modifications, such as different doping concentrations and layered thickness for the dielectric, which optimize current paths to enhance overall performance. This innovation significantly improves the efficiency of current flow through the device.
Career Highlights
Dempsey's professional journey includes significant contributions while working for companies like Analog Devices, Inc. and Analog Devices Global. His experience at these leading firms has enabled him to leverage his expertise in electronics and semiconductor technologies, pushing the boundaries of current technological capabilities.
Collaborations
Throughout his career, Dempsey has collaborated with prominent professionals, including Thomas G O'Dwyer and Oliver James Brennan. These collaborations have likely contributed to the depth and innovation of his patent portfolio, allowing for a diverse range of ideas and insights to flourish in his work.
Conclusion
Dennis A Dempsey's work stands as a testament to innovation within the field of electronics. His impressive collection of patents, particularly in digital-to-analog conversion and field-effect transistors, reflects his commitment to advancing technology. Through collaborations and his career at notable companies, Dempsey continues to make significant strides that reshape the landscape of electronic components.