Company Filing History:
Years Active: 1978
Title: Erhard Graf - Innovator in Quartz Crystal Oscillator Technology
Introduction
Erhard Graf is a notable inventor based in Bevaix, Switzerland. He has made significant contributions to the field of control devices, particularly in the realm of quartz crystal oscillators. His innovative approach has led to the development of a unique patent that enhances the precision of frequency maintenance in these essential components.
Latest Patents
Erhard Graf holds a patent titled "Parallel analog and digital control loops for phase locking precision." This invention focuses on a control device designed to accurately maintain the frequency of a quartz crystal oscillator. The device incorporates reference oscillators and features two control loops operating in parallel. The first loop is a digital control loop that provides coarse adjustments to the quartz oscillator frequency, while the second is an analog control loop that allows for fine adjustments. This dual-loop system significantly improves the accuracy and reliability of frequency control.
Career Highlights
Erhard Graf is associated with Oscilloquartz S.A., a company known for its expertise in precision timing and frequency control solutions. His work at Oscilloquartz has positioned him as a key player in the development of advanced technologies that cater to various industries requiring high-precision timing.
Collaborations
One of Erhard Graf's notable collaborators is Jean-Pierre Wiedmer. Their partnership has contributed to the advancement of technologies in the field of oscillators and control systems.
Conclusion
Erhard Graf's innovative contributions to quartz crystal oscillator technology exemplify the impact of dedicated inventors in advancing precision control systems. His patent and work at Oscilloquartz S.A. highlight the importance of innovation in maintaining accuracy in various applications.