Location History:
- Tokyo, JP (1990)
- Kodaira, JP (1991 - 1994)
Company Filing History:
Years Active: 1990-1994
Title: Hajime Obinata: Innovator in Digital-Analog Conversion Technology
Introduction
Hajime Obinata is a prominent inventor based in Kodaira, Japan. He has made significant contributions to the field of digital-analog conversion technology, holding a total of four patents. His work focuses on enhancing the efficiency and effectiveness of digital-analog converters, which are essential in various electronic applications.
Latest Patents
One of Hajime Obinata's latest patents is a digital/analog converter that divides input digital data into at least two overlapping digital ranges. This innovative D/A converter allows for separate conversion of data in these ranges, ensuring that the final combined analog output maintains proper loudness relationships. In low amplitude ranges, only the low-range DAC performs the conversion, while above a predetermined threshold, certain bits are frozen to optimize performance. Additionally, he has developed a digital-analog conversion circuit that applies voltage biasing, which includes a current output type digital-analog converter and a current/voltage converter that consistently applies a bias voltage to enhance output stability.
Career Highlights
Hajime Obinata is currently associated with Nakamichi Corporation, where he continues to push the boundaries of technology in digital-analog conversion. His work has been instrumental in advancing the capabilities of electronic devices, making them more efficient and reliable.
Collaborations
Hajime has collaborated with Akira Imamura, contributing to the development of innovative technologies in their field. Their partnership has fostered advancements that benefit the industry as a whole.
Conclusion
Hajime Obinata's contributions to digital-analog conversion technology exemplify his dedication to innovation. His patents reflect a deep understanding of electronic systems and a commitment to improving their functionality. His work continues to influence the field and inspire future advancements.