This inventor holds 2 USPTO granted patents. Top assignee: National Semiconductor Corporation. Active years: 2003.
Location History:
- Penn Valley, CA (US) (2003)
- Penn Valley, NV (US) (2003)
Company Filing History:
Years Active: 2003
Title: The Innovative Contributions of Donald St John Beeman
Introduction
Donald St John Beeman is a notable inventor based in Penn Valley, CA (US). He has made significant contributions to the field of electronics, particularly through his innovative patents. With a total of 2 patents, Beeman has demonstrated his expertise and creativity in developing advanced technologies.
Latest Patents
One of Beeman's latest patents is the PNP multiplier. This invention is a method and apparatus designed to emulate an emitter follower using a small PNP transistor arranged in a PNP multiplier configuration. The PNP multiplier includes a PNP emitter follower and a current mirror, which produces a current that is a scaled version of the collector current from the PNP follower. This innovative design effectively increases the forward gain of the PNP transistor while utilizing a small geometry PNP device.
Another significant patent by Beeman is the low-cost bias technique for dual plate integrated capacitors. This integrated dual-plate capacitor structure incorporates a small MOS transistor to reduce die area. The design features a semiconductor substrate with a well region, upper and lower conductive plates, and a MOS transistor that receives a bias voltage. This invention enhances the efficiency and functionality of integrated capacitors in electronic devices.
Career Highlights
Donald St John Beeman has worked at National Semiconductor Corporation, where he has contributed to various projects and innovations. His work has had a lasting impact on the electronics industry, showcasing his ability to develop practical solutions to complex problems.
Collaborations
Beeman has collaborated with notable coworkers, including Jeffrey P Kotowski and Paul M Werking. These partnerships have allowed for the exchange of ideas and expertise, further enhancing the quality of their collective work.
Conclusion
Donald St John Beeman's contributions to the field of electronics through his patents and collaborations highlight his innovative spirit and dedication to advancing technology. His work continues to influence the industry and inspire future inventors.