This inventor holds 5 USPTO granted patents. Top assignee: Victor Company of Japan, Limited. Active years: 1982-1984.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Tokyo, JP (1982 - 1983)
- Yokohama, JP (1982 - 1984)
Company Filing History:
Years Active: 1982-1984
Title: Kaoru Totsuka: Innovator in Noise Reduction Technology
Introduction
Kaoru Totsuka is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of audio technology, particularly in noise reduction systems. With a total of 5 patents to his name, Totsuka's work has had a considerable impact on the industry.
Latest Patents
Totsuka's latest patents include a noise reducing apparatus and a variable-directivity microphone device. The noise reducing apparatus features a compression system and an expansion system, designed to enhance audio signals by reducing unwanted noise. The compression system includes a pre-emphasis circuit, variable gain control circuits, and a weighting circuit, which work together to optimize the audio output. The expansion system complements the compression system, ensuring that the audio quality is maintained during playback.
The variable-directivity microphone device consists of an assembly with at least three microphone units, strategically arranged to capture sound from different directions. This innovative design allows for adjustable directivity, enabling users to switch between non-directive and unidirectional settings. The device incorporates variable resistors and a frequency characteristic compensating circuit, which further enhances the audio quality.
Career Highlights
Kaoru Totsuka is currently employed at the Victor Company of Japan, Limited, where he continues to develop cutting-edge audio technologies. His work has been instrumental in advancing the capabilities of noise reduction and microphone systems, making significant strides in the audio industry.
Collaborations
Throughout his career, Totsuka has collaborated with notable colleagues, including Yukinobu Ishigaki and Naotaka Miyaji. These partnerships have fostered innovation and creativity in their projects, leading to the development of groundbreaking technologies.
Conclusion
Kaoru Totsuka is a distinguished inventor whose contributions to noise reduction technology and microphone systems have made a lasting impact on the audio industry. His innovative patents and collaborative efforts continue to shape the future of audio technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile