Location History:
- Yokohama, JP (1987 - 1988)
- Kanagawa, JP (1989)
Company Filing History:
Years Active: 1987-1989
Title: Yasufumi Yunde: Innovator in Magnetic Recording Technology
Introduction
Yasufumi Yunde is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of magnetic recording technology, holding a total of 3 patents. His work focuses on enhancing the quality and efficiency of video and audio signal recording and reproduction.
Latest Patents
Yunde's latest patents include a "Magnetic recording/reproducing apparatus utilizing phase comparator." This invention addresses the challenges of phase differences introduced by varying characteristics between low and high-frequency conversion systems. By incorporating an additional signal into both systems, the apparatus achieves high-resolution video recording and reproduction. The additional signal is recorded alongside the video signal, allowing for the detection and regulation of phase differences in the respective frequency systems.
Another significant patent is the "Apparatus for recording and reproducing video signal and digital signal." This invention allows for the simultaneous recording of video and audio signals on the same track. It generates an audio recording signal through quadrature differential PSK modulation with a PCM audio signal. This audio signal is strategically placed between the occupied bands of the FM luminance signal and the down-converted chrominance signal, ensuring efficient recording.
Career Highlights
Yasufumi Yunde is currently employed at Hitachi, Ltd., where he continues to innovate in the field of magnetic recording technology. His work has been instrumental in advancing the capabilities of recording and reproducing devices, making them more efficient and effective.
Collaborations
Yunde has collaborated with notable colleagues such as Kuniaki Miura and Yoshinori Okada. Their combined expertise has contributed to the development of cutting-edge technologies in the industry.
Conclusion
Yasufumi Yunde's contributions to magnetic recording technology have established him as a prominent inventor in his field. His innovative patents reflect his commitment to enhancing the quality of audio and video recording systems. His work continues to influence the industry and pave the way for future advancements.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.