Company Filing History:
Years Active: 1976-1977
Title: The Innovative Mind of Helmut Keller in Reutlingen, DE
Introduction
Helmut Keller, an accomplished inventor based in Reutlingen, Germany, has made notable contributions to the field of electronics with three patents to his name. His inventions focus on improving the efficiency and functionality of electronic power systems, showcasing his innovative spirit and technical expertise.
Latest Patents
One of Keller's most significant patents is the *Cyclically Operating Transistorized Power Switching Circuit System*. This invention addresses the challenge of uniform power dissipation in switching systems, regardless of the duty cycle during operation. By configuring the coupling resistors connected to the driver and power transistors in specific ways, Keller's design ensures that dissipation losses remain independent of the switching transistor's duty cycle. This innovative circuit can be constructed on a monolithic chip and finds crucial applications in automotive voltage regulators.
Another notable patent is the *Luminescent Voltage Indicator Circuit*, where Keller employs a plurality of luminescent elements, such as light-emitting diodes and incandescent lamps, linked to the output of a difference amplifier. As the input voltage changes, the circuit provides a gradual increase in brightness of the connected luminescent elements, offering a visually intuitive way to monitor voltage levels. This invention highlights Keller's ability to combine electrical engineering with practical applications.
Career Highlights
Helmut Keller's remarkable career has been primarily associated with Robert Bosch GmbH, a leading global supplier of technology and services. His role in the company has allowed him to work on cutting-edge technologies that drive innovations in various industries, particularly in electronics and automotive sectors.
Collaborations
Throughout his career, Keller has collaborated with talented coworkers such as Hartmut Seiler and Adolf Kugelmann. These partnerships have contributed to the development and success of his inventions, emphasizing the importance of teamwork in the realm of innovation.
Conclusion
Helmut Keller stands out as an influential inventor whose work has had a significant impact on electronic power systems. With his innovative patents and a career marked by collaboration at Robert Bosch GmbH, he continues to inspire future generations of engineers and inventors. His dedication to enhancing technology showcases the vital role inventors play in shaping our modern world.