Yogishwar K Puri

Title: Innovator Yogishwar K Puri: Pioneering CMOS Driver and Efficient Adder Technologies

Introduction

Yogishwar K Puri, an accomplished inventor based in Vienna, VA, has made significant contributions to the field of electronics through his innovative patents. With a total of two patents credited to his name, Puri has pioneered advancements that provide greater efficiency and reliability in digital circuitry.

Latest Patents

Puri's latest patents reflect his expertise in VLSI technology and efficient digital circuit design. The first patent, titled **"CMOS Off Chip Driver for Fault Tolerant Cold Sparing,"** introduces a full swing CMOS logic circuit designed for fault tolerance in VLSI logic devices. This invention effectively decouples the circuit when not powered, utilizing P-channel FET transistors constructed in an N-well. The design ensures that the high impedance input/output interface of the cold spares does not disrupt the electronic bus, with the drive transistors being reverse biased to eliminate leakage paths.

The second patent, **"Fast, Efficient, Small Adder,"** presents a novel digital adder circuit employing non-DC current configurations to minimize power consumption, device count, and processing delay during binary addition. This circuit features a carry propagate transfer FET device, controlled by a carry propagate control circuit. This configuration enables efficient generation of the carry-out bit while maintaining a high impedance state when necessary, thus enhancing overall performance with reduced power dissipation and signal delay compared to traditional FET adder circuits.

Career Highlights

Yogishwar K Puri is currently employed at International Business Machines Corporation (IBM), where he has played a key role in advancing digital circuit technologies. His background in electrical engineering and his focus on innovative design have set him apart in the tech industry, garnering respect among his peers and further establishing his reputation as a leading inventor.

Collaborations

Throughout his career, Puri has collaborated with notable colleagues such as Joseph A. Hoffman and Derwin L. Jallice. Their combined expertise and commitment to innovation have contributed to pioneering projects that push the boundaries of contemporary technology.

Conclusion

Yogishwar K Puri exemplifies the spirit of innovation in the electronics domain. His contributions through patents, especially in CMOS technologies and efficient digital adder designs, hold promising implications for future advancements in the field. As he continues to work at IBM, Puri's endeavors will likely lead to further breakthroughs and enhancements in electronic engineering.