Helmut Keller is a notable inventor based in Pfullingen, Germany. He has made significant contributions to the field of electromagnetic measurement, holding a total of three patents. His innovative designs focus on personal protection and measurement devices that enhance safety and efficiency.

Latest Patents

One of Keller's latest patents is a warning and measuring device for personal protection in electromagnetic fields. This device features a rod-shaped casing that allows for versatile use, whether held in hand or mounted on a tripod. It is designed for warning when carried on the body and for leak detection in hollow conductors. The compact construction and movable absorber within a detachable cap make it a high-quality measuring instrument that can be economically manufactured.

Another significant patent is for a battery-operated hand field-strength meter and a method of null balancing. This method suppresses the effect of the measurement probe on the balancing by short-circuiting the probe with two MOS-FETs connected in series. This allows for null balancing even in the presence of a high-strength field, showcasing Keller's innovative approach to enhancing measurement accuracy.

Career Highlights

Throughout his career, Helmut Keller has worked with notable companies, including Wandel & Goltermann Management Holding GmbH and Wandel & Goltermann Elektronische Messtechnik GmbH. His experience in these organizations has contributed to his expertise in electronic measurement technology.

Collaborations

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Conclusion

Helmut Keller's contributions to the field of electromagnetic measurement devices reflect his dedication to innovation and safety. His patents demonstrate a commitment to developing high-quality instruments that serve essential functions in personal protection and measurement accuracy.

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