Company Filing History:
Years Active: 1987-1990
Title: Innovations of John Lindquist: Pioneering Electronic Ballasts
Introduction
John Lindquist, an accomplished inventor based in Larkspur, California, has made significant contributions to the field of electronic ballasts with a total of three patents. His work demonstrates a commitment to enhancing the functionality and efficiency of lighting technology, particularly with discharge lamps.
Latest Patents
Among his innovative creations, Lindquist's notable patents include:
1. **Electronic Ballast with High Voltage Protection**: This solid-state ballast design incorporates circuitry that limits the maximum output voltage during lamp ignition or removal. The system employs a signal-controlled oscillator for driving a resonantly-loaded lamp. By sensing the load voltage, it feeds back a control signal to ensure safe maximum voltage levels during initial start-up and lamp removal.
2. **Constant Illumination, Remotely Dimmable Electronic Ballast**: Another significant advancement from Lindquist, this ballast includes a system for sensing the current flowing within the load, producing consistent illumination. It processes the load current signal alongside an external control signal for desired illumination, effectively controlling the operating signal via an oscillator. This design also ensures that the load voltage is monitored to prevent excessive voltage during start-up and lamp removal.
Career Highlights
Throughout his career, Lindquist has worked with reputable companies, including Universal Manufacturing and Magnetek, Inc. These experiences have allowed him to refine his skills and contribute to the growing field of electronic lighting solutions.
Collaborations
Lindquist has collaborated with industry peers, including his coworker Dahya Patel, sharing insights and expertise that have driven the development of innovative technologies in their field.
Conclusion
John Lindquist's contributions to the electronic ballast sector illustrate his ingenuity and dedication to enhancing lighting solutions. His patents not only reflect his expertise as an inventor but also contribute to the advancement of energy-efficient technologies in the industry.