Etsuo Tsurumi

Title: **Etsuo Tsurumi: Innovating in Electrical Engineering**

Introduction

Etsuo Tsurumi is a noteworthy inventor based in Yokohama, Japan, known for his significant contributions to the field of electrical engineering. With two patents to his name, Tsurumi's work focuses on enhancing the functionality and efficiency of transformers and rectifiers, particularly in television receiver sets.

Latest Patents

Tsurumi's innovative spirit is exemplified in his latest patents. The first patent, titled **Transformer with Gapped Core**, introduces a unique approach to improving transformer design for use in receiver sets. This invention incorporates a non-magnetic material, made from plastic substances such as paper mash or silicon putty, within part of a closed magnetic path. By pressurizing and deforming this non-magnetic material, Tsurumi sets the inductance of a coil mounted on the magnetic core to a predetermined value, thereby optimizing the transformer's performance.

His second patent, the **High Voltage Rectifier for Television Receiver Sets**, is designed to enhance the efficiency of high voltage rectifiers used in television technology. This innovative device integrates a resistor block that generates focusing and screen voltages. Additionally, it features a focusing voltage feeder that supplies essential voltage to the cathode ray tube while being encased by a screen voltage feeder. This design not only simplifies the assembly but also forms a unitary high voltage insulated cable, promoting safety and reliability in television receivers.

Career Highlights

Etsuo Tsurumi is currently affiliated with Hitachi, Ltd., a leading global technology company known for its innovation and development in various sectors. His role at Hitachi showcases his commitment to advancing electrical engineering technologies, which are critical in today's digital world.

Collaborations

Throughout his career, Tsurumi has collaborated with notable professionals, including Hideyuki Mochida and Shingo Tamura. These partnerships highlight the collaborative spirit within the engineering community, where experts work together to drive technological advancements.

Conclusion

Etsuo Tsurumi stands out as a prominent figure in the innovation landscape of electrical engineering. His patents and collaborative efforts reflect a dedication to enhancing technology, particularly in the realm of television systems. As the industry continues to evolve, Tsurumi's contributions will undoubtedly play a significant role in shaping the future of electrical engineering.