Company Filing History:
Years Active: 2006
Title: William B Ashley: Innovator in Radio Frequency Impedance Measurement
Introduction
William B Ashley is an accomplished inventor based in Carlsbad, CA (US). He has made significant contributions to the field of radio frequency technology, particularly in the area of impedance measurement. His innovative approach has led to the development of a unique patent that addresses limitations in existing measurement methods.
Latest Patents
William B Ashley holds a patent for a device that measures wideband complex radio frequency impedance. This invention allows for the determination of the impedance of an unknown load by applying a reference signal from a signal generator through a multi-position switch. The device measures the complex voltage developed across each load, including a first known calibration impedance and a second known impedance, which can be an open circuit. The source impedance of the signal generator is calculated from the measurements of the known impedances, enabling accurate calculations of the unknown impedance using complex voltage divider relationships. The reference signal is applied at one or more frequencies of interest, preferably as a sine wave. This method overcomes the limitations of prior art frequency-dependent directional-coupler methods of impedance measurement. Furthermore, the impedance measurement device can be integrated into a handheld device featuring a keypad and display.
Career Highlights
William B Ashley is associated with AEA Technology Inc., where he has been instrumental in advancing the company's technological capabilities. His work has not only contributed to the company's portfolio but has also enhanced the field of radio frequency measurement.
Collaborations
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Conclusion
William B Ashley's innovative work in radio frequency impedance measurement exemplifies the impact of inventive thinking on technology. His patent represents a significant advancement in the field, providing solutions that enhance measurement accuracy and device functionality.
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