This inventor holds 4 USPTO granted patents. Top assignees: Raytheon Company, Cermetek Microelectronics, Inc., Fairchild Semiconductor Corporation. Active years: 1993-1998.
Company Filing History:
2 out of 8,306 
1 out of 4 
1 out of 1,302 
Years Active: 1993-1998
Title: The Innovations of Don N Lee
Introduction
Don N Lee is a notable inventor based in San Jose, California. He has made significant contributions to the field of electronics, particularly in the development of pin driver technologies. With a total of 4 patents to his name, Lee's work has had a considerable impact on the industry.
Latest Patents
One of his latest patents is titled "Method and apparatus for adjusting pin driver charging and discharging." This invention focuses on optimizing slew rates and overshoot for different types of logic circuits by adjusting the charging and discharging currents of a pin driver. The design includes transistors that are mirrored to a reference transistor, allowing for variable current based on programmed high and low voltage levels. This innovation is particularly beneficial for CMOS outputs, where higher slew rates are required, while also accommodating ECL outputs to prevent excessive overshoot.
Another significant patent by Lee is the "Method and apparatus for limiting pin driver offset voltages." This invention involves a test equipment pin driver that includes a pulse forming circuit, a buffer, and an output amplifier connected in series. The pulse forming circuit generates pulses timed to a data input signal, ensuring that the driver pulses transmitted to a device under test maintain programmed high and low voltage levels. This technology enhances the accuracy and reliability of electronic testing.
Career Highlights
Throughout his career, Don N Lee has worked with prominent companies such as Raytheon Company and Fairchild Semiconductor Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking technologies in the electronics sector.
Collaborations
Lee has collaborated with notable professionals in the field, including Alan T Kondo and Stephen W Bryson. These partnerships have further enriched his work and expanded the scope of his innovations.
Conclusion
Don N Lee's contributions to the field of electronics through his patents and collaborations highlight his role as a significant inventor. His work continues to influence the development of advanced technologies in the industry.