Company Filing History:
Years Active: 1981-1987
Title: Eijiro Tamura: Innovator in Power Supply and Amplifier Technologies
Introduction
Eijiro Tamura is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the fields of power supply circuits and amplifier technologies. With a total of 3 patents to his name, Tamura's work showcases his innovative approach to electrical engineering.
Latest Patents
One of Tamura's latest patents is a power supply circuit designed to provide various levels of output voltages. This circuit features rectifiers and selectable power supply voltage terminals. It utilizes first smoothing capacitors connected to respective terminals and an earth, along with second smoothing capacitors between the terminals. This design enhances the smoothing operation by utilizing capacitance from multiple capacitors.
Another notable patent is his power amplifier circuitry, which involves a single-ended push-pull power amplifier circuit. This circuit includes multiple transistors that are Darlington connected, along with a bias circuit for providing a fixed bias voltage. The improvement in this design includes series circuits of resistors and constant voltage sources that facilitate the base currents of the transistors, enhancing the overall performance of the amplifier.
Career Highlights
Eijiro Tamura is currently associated with Trio Kabushiki Kaisha, where he continues to innovate and develop new technologies. His work has been instrumental in advancing the capabilities of power supply and amplifier systems.
Conclusion
Eijiro Tamura's contributions to electrical engineering through his patents reflect his dedication to innovation. His work in power supply circuits and amplifier technologies continues to influence the industry positively.