Fumiaki Mukaiyama is a notable inventor based in Suwa, Japan. He has made significant contributions to the field of FSK demodulation technology, holding a total of 5 patents. His work focuses on improving the efficiency and effectiveness of demodulation circuits, which are essential in various communication systems.

Latest Patents

Mukaiyama's latest patents include innovative designs that enhance the performance of FSK demodulation circuits. One of his notable inventions is a FSK demodulation circuit that utilizes counter techniques to distinguish between two transmitted frequencies. This design provides a delay preceding the change points of the demodulated signal, which helps to reduce signal distortion. Additionally, presettable counters are employed to minimize the number of data bits for processing, while multiple counters count an equal number of zero-cross intervals to further reduce distortion.

Another significant patent is an FSK demodulator that employs a switched capacitor filter and period counters. This circuit is particularly suited for integrated construction and utilizes N counters along with a counter selector circuit to switch the counters at every zero-cross point in the received FSK signal. This method improves the sensitivity of demodulation by detecting zero-cross points multiple times, rather than merely counting the time between adjacent zero-cross points. The circuit also features a Switched Capacitor Bandpass Filter, whose characteristics can be altered by changing the frequency of an internal clock through simple dividing circuitry.

Career Highlights

Fumiaki Mukaiyama is currently associated with Kabushiki Kaisha Suwa Seikosha, where he continues to innovate in the field of electronics and communication technology. His work has been instrumental in advancing the capabilities of FSK demodulation circuits, making them more efficient and reliable.

Collaborations

Mukaiyama has collaborated with several talented individuals in his field, including Koji Takeda and Masao Akahane. These collaborations have contributed to the development of cutting-edge technologies and have fostered a spirit of innovation within their team.

Conclusion

Fumiaki Mukaiyama's contributions to FSK demodulation technology highlight his expertise and commitment to innovation. His patents reflect a deep understanding of electronic communication systems and a dedication to improving their performance. His work continues to

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