Location History:
- Los Altos, CA (US) (1983)
- Palo Alto, CA (US) (1993 - 1996)
Company Filing History:
1 out of 77 
2 out of 832,891 Years Active: 1983-1996
Title: Innovations by Cristopher F Schiebold: A Glimpse into His Contributions
Introduction
Cristopher F Schiebold is a notable inventor located in Palo Alto, California. With a remarkable portfolio of three patents, he has significantly contributed to the fields of audio technology and RF filtering. His inventions showcase innovative approaches that blend traditional concepts with modern engineering requirements.
Latest Patents
Among his latest innovations is the *Transformerless Audio Amplifier*, which presents a solid-state audio solution that rivals the performance characteristics of triode vacuum tube amplifiers. This design features a gate coupled to a low impedance transistor with triode-like current-voltage characteristics, enhancing audio fidelity while matching the output impedance to that of a speaker. The circuit design includes a choke connected in series, alongside options for alternative high impedance current sources.
Another notable patent is the *YIG Tuned Band Reject Filter for 2-18 GHz with Full One-Quarter*. This YIG notch filter employs innovative RF coupling loops to achieve a tunable notch filter center frequency of up to 18 GHz. The use of smaller undoped YIG spheres arranged within a non-magnetic block enhances performance while eliminating previous design constraints. The novel approach of implementing quarter-wavelength impedance inverter functionality using existing RF coupling loops signifies a pivotal advancement in filter technology.
Career Highlights
Cristopher has collaborated with significant companies, including Watkins-Johnson Company, where he applied his expertise in audio and RF technologies. His career has been marked by inventive breakthroughs that have garnered attention within the engineering community. His dedication to improving audio fidelity and filtering precision has solidified his reputation as an inventor.
Collaborations
Notably, Cristopher has worked alongside skilled professionals such as William J Keane and Dirk M Hoekstra. These collaborations have not only enriched his experience but have also fostered the development of innovative solutions across various projects.
Conclusion
Cristopher F Schiebold's contributions to innovation exemplify the integration of advanced technology with practical applications. His patents enhance the fields of audio amplification and RF technology, showcasing his commitment to pushing the boundaries of engineering. As he continues to innovate, his work will undoubtedly inspire future advancements in these critical areas.