Company Filing History:
8 out of 8,033 
3 out of 3,385 
Years Active: 1976-2008
Title: Christopher R Vale: A Visionary Inventor in Filter Technology
Introduction
Christopher R Vale, a prominent inventor based in Elkridge, Maryland, has made significant contributions to the field of filter technology with a remarkable portfolio of 11 patents. His innovative work combines theoretical insights with practical applications, addressing diverse technological challenges.
Latest Patents
Among his notable inventions are two patents that demonstrate his expertise. The first, titled "Selective filter having linear phase," describes a method for creating a highly selective filter with a linear phase response. By uniquely choosing a pole constellation in the complex frequency plane, this method ensures that the desired passband phase of the filter remains linear while maintaining the desired magnitude. It effectively balances the gain and phase or gain and time characteristics, leveraging traditional filter properties for optimal performance.
The second patent, "Crystal oscillator with wide tuning range," introduces a crystal oscillator featuring a unique crystal filter composed of multiple crystals arranged in a ladder configuration, resonant at a specific operating frequency. The design incorporates a feedback path with a voltage-controlled phase shifter, allowing for dynamic phase adjustments based on an applied control voltage. Additionally, the feedback loop ensures the stability of the signal, while a band pass mode selection circuit filters out unwanted frequencies.
Career Highlights
Christopher has had a distinguished career with leading companies in technology and engineering. He has worked with Westinghouse Electric Corporation and Northrop Grumman Systems Corporation, where he has honed his skills and contributed to advanced projects in the fields of electronics and signal processing.
Collaborations
Throughout his career, Christopher has collaborated with esteemed colleagues, including Robin E Hamilton and Paul G Kennedy. These partnerships have further enriched his work and contributed to the development of innovative solutions in filter technology.
Conclusion
Christopher R Vale stands out as a visionary inventor whose work has significantly impacted the field of filter technology. His latest patents showcase his ability to merge complex theoretical principles with practical implementations. As he continues to push the boundaries of innovation, his contributions will undoubtedly inspire future developments in the industry.