Location History:
- Scottsdale, AZ (US) (1977 - 1981)
- Fountain Hills, AZ (US) (1983 - 2000)
Company Filing History:
24 out of 20,290 
1 out of 832,843 Years Active: 1977-2000
Title: Innovator Spotlight: Walter C. Seelbach
Introduction: Walter C. Seelbach, located in Fountain Hills, AZ, is an accomplished inventor with an impressive portfolio of 25 patents. His contributions to the field of electrical engineering and circuit design have made significant strides, particularly in voltage boosting circuits and bandgap reference voltages.
Latest Patents: Among Walter's latest innovations is the "Complimentary Double Pumping Voltage Boost Converter." This patented voltage boosting circuit is designed to output a voltage that is substantially twice the magnitude of the supply voltage. It consists of complementary acting boost circuits, each equipped with a pair of switches that are strategically opened and closed out of phase based on clocking signals, ensuring efficient voltage enhancement.
Another significant patent is the "CMOS Circuit for Providing a Bandgap Reference Voltage." This low voltage submicron CMOS circuit generates a bandgap voltage that remains largely unaffected by temperature and power supply fluctuations. By utilizing parasitic transistors to create a delta voltage with a positive temperature coefficient, the circuit produces output currents that are then processed to yield a stable bandgap voltage of 1.2 volts.
Career Highlights: Walter Seelbach has showcased his innovative talents during a distinguished career at Motorola Corporation, where he developed pioneering technologies in electronic circuits. His work reflects a deep understanding of both theoretical and practical aspects of circuit design, positioning him as a thought leader in electrical engineering.
Collaborations: Throughout his career, Walter has collaborated with notable professionals such as Robert P. Dixon and Mark S. Birrittella. These partnerships have further enhanced his ability to contribute to cutting-edge technologies and create impactful inventions.
Conclusion: Walter C. Seelbach's dedication to innovation is evident in his extensive patent portfolio and the advanced technologies he has developed. His work continues to inspire future generations of engineers and inventors, establishing him as a vital figure in the realm of electrical engineering and circuit design.