Akira Haeno

Title: Akira Haeno: Innovator in Disc Player Technology

Introduction

Akira Haeno is a notable inventor based in Saitama, Japan, recognized for his contributions to disc player technology. With a total of 10 patents to his name, Haeno has made significant advancements in methods for reproducing information from disks.

Latest Patents

One of his latest patents is a record information reproducing method with content identifiers. This innovative method operates a disk player that reproduces information recorded on a disk. Programs on the disk are addressed from a directory in memory, allowing for sequential access according to the order in the directory. The directory can be populated by inserting random numbers or by scanning through the programs or tracks. If possible, a table of contents at the beginning of the disk is read. The tracks can be scanned, and only those containing new programs are reproduced. Additionally, a playback position servo operates with a dead-zone in the drive voltage. Another significant patent is the automatic loading disc player, which includes a signal pickup unit that reads information from a disc. This player features a control circuit with an address memory for storing the newest addresses read from the disc, along with a counter that counts addresses at predetermined intervals. The system is designed to detect discrepancies between the newest and expected addresses, allowing for precise movement of the pickup unit.

Career Highlights

Throughout his career, Akira Haeno has worked with prominent companies such as Pioneer Electronic Corporation and Hitachi, Ltd. His work has significantly influenced the development of disc player technology, enhancing user experience and functionality.

Collaborations

Haeno has collaborated with notable coworkers, including Toshiyuki Kimura and Yoshihiko Watanabe, contributing to various projects that have advanced the field of audio technology.

Conclusion

Akira Haeno's innovative work in disc player technology has left a lasting impact on the industry. His patents reflect a deep understanding of user needs and technological advancements, solidifying his reputation as a leading inventor in this field.