Location History:
- Frieburg, DE (2010)
- Freiburg, DE (2000 - 2018)
Company Filing History:
3 out of 86 
1 out of 32 
1 out of 76 
Years Active: 2000-2018
Title: The Innovative Contributions of Stefan Keller
Introduction
Stefan Keller is a notable inventor based in Freiburg, Germany. He has made significant contributions to the field of technology, particularly in the area of magnetic field sensors and broadcasting systems. With a total of 6 patents to his name, Keller's work showcases his dedication to innovation and problem-solving.
Latest Patents
Keller's latest patents include a method for dynamic noise reduction of magnetic field sensor signals and a magnetic field sensor circuit with dynamic noise reduction. This method involves a magnetic field sensor circuit that utilizes a switching device, which includes a signal comparator, a low pass filter, and a multiplexer. The process begins with the sensor signal being compared to the level of a signal from the low pass filter, with the results being evaluated against a predetermined threshold value.
Another significant patent is the multistandard receiver circuit for analogue and digital broadcasting. This invention focuses on a demodulator arrangement that processes both analogue and digital broadcasting signals, particularly for television. The circuit is designed to handle digital or digitized values from a tuner, incorporating components and algorithms for effective signal processing.
Career Highlights
Throughout his career, Stefan Keller has worked with several prominent companies, including Trident Microsystems Ltd. and Micronas Intermetall GmbH. His experience in these organizations has contributed to his expertise in developing innovative technologies.
Collaborations
Keller has collaborated with notable colleagues such as Ramon Oome and Knut Caesar. These partnerships have likely enhanced his work and led to further advancements in his projects.
Conclusion
Stefan Keller's contributions to technology through his patents and career achievements highlight his role as an influential inventor. His innovative methods and systems continue to impact the fields of magnetic sensing and broadcasting.