Satoru Sekiguchi

Title: Satoru Sekiguchi: Innovator in Tuning Circuits and Receiving Apparatus

Introduction

Satoru Sekiguchi is a notable inventor based in Saitama, Japan. He has made significant contributions to the field of electronics, particularly in tuning circuits and receiving apparatus. With a total of 6 patents to his name, Sekiguchi's work has advanced the technology used in various electronic devices.

Latest Patents

One of Sekiguchi's latest patents is a tuning circuit designed to adjust a tuning frequency without muting the output while the oscillation frequency is being adjusted. This innovative tuning circuit includes a pair of an inductor and a tuning variable capacitor unit. It adjusts the tuning frequency by changing the capacitance of the tuning variable capacitor unit and obtains a tuning signal from a received signal. The circuit features an oscillating inductor that passes a current corresponding to the tuning signal, an oscillating variable capacitor unit that adjusts the oscillation frequency, and a controller that changes the capacitance of the oscillating variable capacitor unit to match the desired tuning frequency.

Another significant patent is a receiving apparatus that includes a local oscillator to output first- and second-local-oscillator signals with orthogonal phases. This apparatus features a mixer that outputs first- and second-intermediate-frequency signals, along with filters that allow components from desired signals to pass while eliminating components from image signals. A comparator compares levels between the output signals of the filters, and a control unit switches the frequency of the local-oscillator signals based on the comparison results.

Career Highlights

Throughout his career, Satoru Sekiguchi has worked with prominent companies such as Sanyo Electric Co., Ltd. and Kanto Sanyo Semiconductors Co., Ltd. His experience in these organizations has contributed to his expertise in electronic innovations.

Collaborations

Sekiguchi has collaborated with notable coworkers, including Kiyokazu Kamado and Hiroshi Inoguchi. Their combined efforts have led to advancements in the technologies they have worked on together.

Conclusion

Satoru Sekiguchi's contributions to the field of electronics through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the development of tuning circuits and receiving apparatus, showcasing the importance of innovation in technology.