Location History:
- Phoenix, AZ (US) (2009 - 2016)
- Oxonomowoc, WI (US) (2021)
Company Filing History:
Years Active: 2009-2021
Title: The Innovations of John Charais
Introduction
John Charais is a notable inventor based in Phoenix, AZ, who has made significant contributions to the field of electronics. With a total of eight patents to his name, Charais has demonstrated a commitment to advancing technology through innovative solutions. His work primarily focuses on operational amplifiers and voltage detection systems, showcasing his expertise in electronic design.
Latest Patents
Among his latest patents is an operational amplifier with controllable output modes. This invention features totem pole connected output transistors that allow for the selective coupling of signals and voltage levels. The design enables the output transistors to be dynamically adjusted to pass only positive or negative signals, or to enter a high impedance state. Additionally, a core independent peripheral can be integrated to change the multiplexer inputs in real time, enhancing the amplifier's functionality.
Another significant patent is the mains voltage zero-crossing detector. This device utilizes a highly power-efficient class B configuration to detect zero crossings in mains power. By monitoring the drive current of devices driven by the amplifier, the detector provides accurate readings without relying on voltage thresholds that may vary due to temperature or fabrication processes.
Career Highlights
John Charais is currently employed at Microchip Technology Inc., where he continues to innovate and develop new technologies. His work has had a profound impact on the electronics industry, particularly in the areas of signal processing and power management.
Collaborations
Charais has collaborated with talented individuals such as Keith Edwin Curtis and Zacharias Marthinus Smit. These partnerships have fostered a creative environment that encourages the development of cutting-edge technologies.
Conclusion
John Charais is a distinguished inventor whose contributions to electronics have paved the way for advancements in operational amplifiers and voltage detection systems. His innovative spirit and collaborative efforts continue to inspire progress in the field.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.