Location History:
- Elkridge, MD (US) (1976 - 1983)
- Baltimore, MD (US) (1978 - 1996)
Company Filing History:
8 out of 8,033 
1 out of 4,997 
Years Active: 1976-1996
Title: The Innovations of Edward C. Niehenke
Introduction
Edward C. Niehenke is a notable inventor based in Baltimore, MD, with a remarkable portfolio of nine patents. His work primarily focuses on advancements in microwave technology and signal processing, showcasing his expertise in the field.
Latest Patents
Among his latest inventions is the "Subharmonic Image Rejection and Image Enhancement Mixer." This innovative device is designed for mixing millimeter wavelength signals using a low conversion loss technique. It employs a local oscillator frequency from an external source, which is processed through a series of subharmonic mixers and a phase shifter. This configuration allows for the effective separation of desired frequency components from image frequencies, significantly enhancing signal quality.
Another significant patent is the "Wideband Frequency Multiplier Having a Silicon Carbide Varactor." This invention provides efficient frequency multiplication circuitry, which is particularly useful in high-power microwave systems. By utilizing silicon carbide varactor diodes, Niehenke's design improves bandwidth and output signal integrity, allowing for greater flexibility in input signal frequencies.
Career Highlights
Edward C. Niehenke has had a distinguished career, contributing to significant advancements in technology. He has worked with prominent organizations, including Westinghouse Electric Corporation and the United States of America as represented by the Secretary of the Air Force. His contributions have had a lasting impact on the field of microwave engineering.
Collaborations
Throughout his career, Niehenke has collaborated with esteemed colleagues such as Marvin Cohn and Gerald I. Klein. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.
Conclusion
Edward C. Niehenke's contributions to microwave technology and signal processing are noteworthy. His innovative patents reflect his dedication to advancing the field and improving the efficiency of communication systems. His work continues to influence the industry and inspire future innovations.