Company Filing History:
2 out of 2,546 
1 out of 397 
1 out of 5,000 
Years Active: 1982-1994
Title: The Innovative Contributions of Carlisle R Dolland
Introduction
Carlisle R Dolland is a notable inventor based in Torrance, CA, with a significant impact in the field of electrical engineering. He holds a total of 6 patents, showcasing his dedication to innovation and problem-solving in technology.
Latest Patents
Among his latest inventions is the "Active Damper for EMI Filter." This device is designed to suppress transients that appear on the DC link from a power supply. The active damper works by filtering the line voltage to obtain its steady-state component and comparing it to the instantaneous voltage on the DC link. When discrepancies arise between the two voltages, the damper effectively cancels the transient by dissipating energy on the DC link and the energy stored in the filter's inductor.
Another significant invention is the "High or Low-Side State Relay with Current Limiting and Operational." This switch comprises a circuit from a first output terminal via parallel MOS devices in series with current-sensing resistance to a second output terminal. It features alternative high-side and low-side configurations, with a load positioned between the second terminal and ground or the first terminal and the DC supply voltage. The design includes an input terminal for a digital control signal, coupled via an input diode and two Schmitt Trigger CMOS inverters to a control lead for the gates of the switch. Additionally, it incorporates a current overload or short circuit protection circuit and a built-in test circuit for indicating the switch condition.
Career Highlights
Throughout his career, Carlisle R Dolland has worked with esteemed organizations, including the United States of America as represented by the Administrator and Garrett Corporation. His contributions to these companies have been instrumental in advancing technology in their respective fields.
Collaborations
Carlisle has collaborated with notable individuals such as David A Bailey and Alan M Lovelace, further enhancing the innovative landscape through teamwork and shared expertise.
Conclusion
Carlisle R Dolland's inventive spirit and technical expertise have led to significant advancements in electrical engineering. His patents reflect a commitment to innovation that continues to influence the industry today.