Howard Paul Andrews

Title: Howard Paul Andrews: Innovator in Output Driver Circuits

Introduction

Howard Paul Andrews is a notable inventor based in Sandia Park, NM (US). He has made significant contributions to the field of electronics, particularly in the development of output driver circuits. With a total of 2 patents, Andrews has demonstrated his expertise and innovative thinking in his area of specialization.

Latest Patents

Andrews' latest patents include an "Output Driver Circuit with Current Detection" and a "Voltage Stabilized Low Level Driver." The output driver circuit invention is designed to determine whether a repeater buffer is the only device driving a bus low. This is achieved by comparing the current through the output driver circuit of the repeater buffer with a reference current. If the current exceeds the reference, it indicates that the repeater buffer is the sole driver. Conversely, if the current is less, it suggests that other devices are also driving the bus low. This invention is particularly useful in I²C repeaters to ensure proper responses and prevent latch conditions.

The voltage stabilized low level driver invention provides a controlled output that matches an internal reference voltage when activated. It features a switched op-amp that manages the output and includes a slew rate control circuit to limit the transition speed during high-to-low changes. This driver is also applicable for I²C applications, showcasing Andrews' focus on practical solutions in electronic design.

Career Highlights

Howard Paul Andrews is currently employed at Koninklijke Philips Corporation N.V., where he continues to innovate and contribute to advancements in technology. His work at Philips has allowed him to collaborate with other talented professionals in the field.

Collaborations

One of his notable coworkers is Alma Stephanson Anderson, with whom he has likely shared insights and expertise in their projects.

Conclusion

Howard Paul Andrews is a distinguished inventor whose work in output driver circuits has made a significant impact in the electronics industry. His innovative patents reflect his commitment to advancing technology and improving electronic systems.