Satoru Doi

Title: Satoru Doi: Innovator in Frequency Control Circuits

Introduction

Satoru Doi is a notable inventor based in Ota, Japan. He has made significant contributions to the field of electronics, particularly in the development of oscillation frequency control circuits. His innovative work has led to advancements that enhance the performance and efficiency of electronic devices.

Latest Patents

Satoru Doi holds a patent for a CPU-based oscillation frequency control circuit that eliminates the need for a loop filter. This circuit comprises a frequency counter that measures the frequency of an oscillating signal produced by an oscillation circuit. The oscillation circuit generates a signal corresponding to analog control voltages. The design includes multiple D/A converters that produce these analog control voltages based on input digital values. Additionally, a digital value generator creates digital values according to input control signals, while an operation circuit compares the measured frequency with a reference frequency to produce the necessary control signals.

Career Highlights

Satoru Doi is currently associated with Sanyo Electric Co., Ltd., where he continues to innovate and develop cutting-edge technologies. His work has been instrumental in advancing the capabilities of electronic systems, particularly in frequency control applications.

Conclusion

Satoru Doi's contributions to the field of electronics, particularly through his patented innovations, highlight his role as a key inventor in the industry. His work not only showcases his expertise but also paves the way for future advancements in technology.