Manfred Listopad

Title: Manfred Listopad: Innovator in Power Supply and Filter Technology

Introduction

Manfred Listopad is a notable inventor based in Vienna, Austria. He has made significant contributions to the fields of power supply units and filter arrangements, holding a total of 2 patents. His innovative designs have enhanced the functionality and efficiency of various electronic systems.

Latest Patents

One of his latest patents is a power supply unit designed specifically for fire detectors, such as smoke alarms. This power supply unit includes a power unit and battery terminals for connecting a predetermined battery. The design features first connection means for linking to a power supply network and second connection means for connecting the fire detector. To improve the functionality of the fire alarm, the battery terminals are operatively connected by at least one first electric connection with the second connection means, which includes at least one diode.

Another significant patent by Listopad is a filter arrangement aimed at separating analog or digital baseband signals, such as POTS or ISDN signals, from digital wideband signals transmitted simultaneously on a two-wire line of a message transmission system. This filter arrangement comprises a bi-directional low-pass filter and a bi-directional high-pass filter. The low-pass filter allows the flow-through of direct current, while the second filter is arranged in parallel with the first, enhancing the overall signal processing capabilities.

Career Highlights

Throughout his career, Manfred Listopad has worked with prominent companies, including Ericsson Austria AG and Moeller Gebäudeautomation GmbH. His experience in these organizations has contributed to his expertise in developing innovative technologies.

Collaborations

Listopad has collaborated with notable professionals in his field, including Johann Pfeiffer and Franz Helmreich. These collaborations have fostered a creative environment that has led to the development of advanced technological solutions.

Conclusion

Manfred Listopad's contributions to power supply and filter technology demonstrate his innovative spirit and commitment to enhancing electronic systems. His patents reflect a deep understanding of the technical challenges in these areas, making him a valuable figure in the field of invention.