Koichi Ohya

Title: Koichi Ohya: Innovator in Tuner Technology

Introduction

Koichi Ohya is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of tuner technology, holding a total of 7 patents. His work primarily focuses on enhancing television reception systems, making them more efficient and versatile.

Latest Patents

One of his latest inventions is a tuner apparatus that operates as a common tuner capable of receiving both satellite digital TV and terrestrial TV broadcasting. This innovative tuner receives satellite TV broadcasting and supplies intermediate-frequency signals to its quadrature detector circuit, where the signals are demodulated into baseband signals. Additionally, when receiving terrestrial TV or CATV broadcasting, the tuner converts these signals into intermediate-frequency signals that fall within the bandwidth of satellite TV broadcasting.

Another notable patent is a television signal reception circuit that integrates a front-end circuit of a television receiver while suppressing image frequency output. This circuit includes an automatic gain circuit, frequency mixture circuits, and phase-shifting circuits, all designed to enhance the quality of television signal reception.

Career Highlights

Koichi Ohya is currently employed at Sony Corporation, a leading company in the electronics industry. His work at Sony has allowed him to develop cutting-edge technologies that improve television viewing experiences for consumers.

Collaborations

Throughout his career, Ohya has collaborated with notable colleagues such as Yoshihiro Yamamoto and Tsutomu Kume. These collaborations have contributed to the advancement of technology in the field of television reception.

Conclusion

Koichi Ohya's innovative contributions to tuner technology have significantly impacted the way we receive television broadcasts. His patents reflect a commitment to improving the efficiency and quality of television reception systems.