This inventor holds 6 USPTO granted patents. Top assignees: Matsushita Electric Industrial Co., Ltd., Nippon Hoso' Kyokai. Active years: 1983-1995.
Location History:
- Minoo, JP (1983 - 1995)
- Mino, JP (1995)
Company Filing History:


Years Active: 1983-1995
Title: Shiro Tsuji: Innovator in Signal Recording Technology
Introduction
Shiro Tsuji is a notable inventor based in Minoo, Japan. He has made significant contributions to the field of signal recording technology, holding a total of 6 patents. His work has advanced the methods and apparatuses used in audio signal recording and reproduction.
Latest Patents
Tsuji's latest patents include a "Method and apparatus for rotary-head type signal recording" and a "Method and apparatus for recording a plurality of audio channels on segmented tracks of a tape by rotary heads." These innovations focus on optimizing the allocation of audio channels to recording sectors, ensuring that each track includes uniformly distributed recording sectors. This design minimizes the adverse effects of errors caused by dropouts or scars on the tape, thereby enhancing error correction capabilities. Additionally, he developed a "Variable speed digital signal reproducing apparatus," which is particularly useful for low-speed reproduction of digital signals recorded on various media. This apparatus includes a mechanism for determining whether a reproduction PCM signal is renewed, allowing for efficient data storage and retrieval.
Career Highlights
Throughout his career, Tsuji has worked with prominent companies such as Matsushita Electric Industrial Co., Ltd. and Nippon Hoso' Kyokai. His experience in these organizations has contributed to his expertise in signal processing and recording technologies.
Collaborations
Some of Tsuji's notable coworkers include Hiroshi Matsushima and Nobuyoshi Kihara. Their collaborative efforts have likely played a role in the development of innovative technologies in the field.
Conclusion
Shiro Tsuji's contributions to signal recording technology have had a lasting impact on the industry. His patents reflect a deep understanding of audio signal processing and a commitment to improving the reliability of recording methods.