This inventor holds 1 USPTO granted patent. Top assignee: Hitachi, Ltd.. Active years: 1985.
Company Filing History:
Years Active: 1985
Title: The Innovations of Etuo Funada
Introduction
Etuo Funada is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of signal processing, particularly through his innovative patent related to amplitude adjusting equipment.
Latest Patents
Etuo Funada holds a patent for an "Amplitude adjusting equipment in a signal translation line." This invention features an amplitude-adjusting circuit utilized for a contrast-adjusting circuit of resistor division type. In this circuit, a video signal is applied across a pair of series-connected resistors, producing an output from the junction point of the two resistors. At least one of the resistors is designed as a variable resistor. The circuit includes a current source that supplies a constant current steadily between the terminals of the variable resistor, a high-gain amplifier for controlling the resistance value of the variable resistor, and a filter that separates the video signal component from the changes in the variable resistor's value, represented by a voltage change.
Career Highlights
Etuo Funada is currently employed at Hitachi, Ltd., where he continues to develop and refine his inventions. His work has contributed to advancements in video signal processing technology, enhancing the quality and reliability of signal transmission.
Collaborations
Etuo has collaborated with notable colleagues, including Kunio Ando and Michitaka Osawa. Their combined expertise has fostered a productive environment for innovation and development within their projects.
Conclusion
Etuo Funada's contributions to the field of signal processing through his innovative patent demonstrate his commitment to advancing technology. His work at Hitachi, Ltd. and collaborations with esteemed colleagues further highlight his impact in the industry.