This inventor holds 4 USPTO granted patents. Top assignee: International Business Machines Corporation. Active years: 1976-1983.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- San Jose, CA (US) (1976 - 1977)
- Longmont, CO (US) (1983)
Company Filing History:
Years Active: 1976-1983
Title: The Innovations of Lawrence Paul Trubell
Introduction
Lawrence Paul Trubell is a notable inventor based in San Jose, California. He has made significant contributions to the field of electrical engineering, particularly in the development of innovative power supply technologies. With a total of 4 patents to his name, Trubell's work has had a lasting impact on the industry.
Latest Patents
One of Trubell's latest patents is an "Ac-to-dc converter using polarized input isolation capacitors." This invention allows for the use of polarized isolation capacitors in AC-to-DC power supplies by incorporating current-return diodes around the input capacitors. This design not only enhances efficiency but also provides surge limiting protection and accommodates larger currents at reduced costs. Another significant patent is the "Method and apparatus for variable current control of a negative." This invention enables the adjustment of a fluorescent lamp's illumination intensity by controlling the DC current flowing through the lamp. By utilizing inductors as current change limiting devices, Trubell's method ensures uniform selectable illumination levels, even when the lamp operates in the negative resistance region of its characteristic.
Career Highlights
Trubell is currently employed at International Business Machines Corporation (IBM), where he continues to innovate and contribute to advancements in technology. His work at IBM has allowed him to collaborate with other talented engineers and inventors, further enhancing his expertise and impact in the field.
Collaborations
Some of Trubell's notable coworkers include Hobart Atsushi Higuchi and Graig S Cambier. Their collaborative efforts have likely contributed to the successful development of various projects and patents.
Conclusion
Lawrence Paul Trubell's contributions to electrical engineering and his innovative patents demonstrate his commitment to advancing technology. His work continues to influence the industry, making him a significant figure in the realm of inventions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile