Location History:
- Anaheim Hills, CA (US) (2002 - 2015)
- Anaheim, CA (US) (2018 - 2019)
Company Filing History:
Years Active: 2002-2019
Title: The Innovative Mind of Stephen Ulbrich
Introduction
Stephen Ulbrich, an inventor based in Anaheim Hills, CA, has made significant contributions to the field of electrical engineering, particularly in power rectification and switching regulation. With a total of six patents to his name, his work reflects a deep understanding of circuit design and an innovative approach to solving complex problems.
Latest Patents
Ulbrich's latest inventions include a groundbreaking high-frequency wireless power rectifier startup circuit design. This circuit utilizes a plurality of FETs (Field Effect Transistors) arranged to function as a rectifier, incorporating a startup circuit that effectively turns off each FET during the initial startup period. This design provides a large impedance for low power dissipation during the normal operation of the rectifier, enhancing efficiency.
Another notable patent is the dual-use bootstrap driver, which presents a switching regulator. In this embodiment, a high switch links the input voltage to a switched output, while a low switch connects the switched output to ground. Additionally, a ringing switch is strategically positioned between a capacitor and the switched output, closing prior to transitioning into a tristate condition where both high and low switches are open. These innovations showcase Ulbrich’s ability to push the boundaries of electrical engineering technology.
Career Highlights
Throughout his career, Stephen Ulbrich has worked with prominent companies, including Integrated Device Technology, Inc. and Integrated Power Technologies, Ltd. His professional journey has been marked by his commitment to advancing technologies that improve efficiency and performance in electronic devices.
Collaborations
Stephen has collaborated with several skilled individuals in the field, including Lijie Zhao and Yue Wang. Together, they have worked on projects that emphasize innovation and practicality, pushing the envelope in circuit design and implementation.
Conclusion
Stephen Ulbrich's inventive spirit and dedication to advancing technology are evident in his impressive portfolio of patents. His contributions not only demonstrate his expertise in electrical engineering but also underscore the importance of innovation in driving the industry forward. As technology continues to evolve, Ulbrich remains a notable figure, inspiring future generations of inventors and engineers.