Chiharu Miura

Title: Chiharu Miura: Innovator in Disc Player Technology

Introduction

Chiharu Miura is a prominent inventor based in Tokorozawa, Japan. She has made significant contributions to the field of disc player technology, holding a total of 7 patents. Her innovative work has advanced the functionality and reliability of disc playing devices.

Latest Patents

Miura's latest patents include a "Disc player using a servo loop with a variable transfer function." This invention features a disc playing apparatus equipped with a tracking servo loop and a focus servo loop, allowing for an adjustable transfer function. The system generates disc defect detection signals based on changes in low and high frequency components of the read signal output from the pickup. Additionally, the transfer function is adjusted in response to these detection signals, enhancing the device's performance. Another notable patent is the "Method for setting the loop gain in a focusing servo loop." This method involves opening the loop and moving the objective lens up and down around the focusing point while the disc rotates slowly, generating an S-shaped focusing error curve. The loop gain is then determined based on sampled values from this curve.

Career Highlights

Chiharu Miura is currently employed at Pioneer Electronic Corporation, where she continues to innovate in the field of audio and video technology. Her work has been instrumental in improving the user experience of disc players, making them more efficient and reliable.

Collaborations

Throughout her career, Miura has collaborated with notable colleagues, including Hidehiro Ishii and Tatsuya Fukuda. These partnerships have fostered a creative environment that has led to groundbreaking advancements in their field.

Conclusion

Chiharu Miura's contributions to disc player technology exemplify her dedication to innovation and excellence. Her patents reflect a deep understanding of servo systems and their applications in consumer electronics. Miura's work continues to influence the industry, ensuring that disc players remain a vital part of modern technology.