Company Filing History:
Years Active: 1982-1983
Title: Innovations by Fumikazu Otsuka: A Pioneer in Frequency Control and Current Generation
Introduction
Fumikazu Otsuka is an esteemed inventor based in Tokyo, Japan, recognized for his contributions to electronic circuit designs. With a total of two patents to his name, Otsuka has made significant advancements, notably in the areas of automatic frequency control and constant current generation.
Latest Patents
Otsuka's innovation in the field of electronics is exemplified through his latest patents. One of his key inventions is an **Automatic Frequency Control Circuit**. This circuit incorporates an oscillating circuit that generates repetitive pulses, complemented by a comparison signal generator that produces signals with a slope portion in reaction to these pulses. These signals are then analyzed by a phase comparison circuit, which supplies control signals to the oscillating circuit based on a comparison between the signals. A limiting circuit is integrated within the design, which defines specific maximum and minimum levels for the comparison signals, subsequently controlling the operational range of the automatic frequency control circuit.
Another noteworthy invention is his **Constant Current Source**. This circuit is ingeniously designed using four transistors of one conductivity type, linked with various impedances and a voltage supply source. It efficiently regulates the current flow to ensure consistency in performance, demonstrating Otsuka's technical prowess and understanding of electronic components.
Career Highlights
Fumikazu Otsuka is affiliated with Sony Corporation, a global leader in electronics and innovation. His work at this renowned company has further facilitated his capacity to innovate and refine electronic circuits, contributing to the advancement of technology in various applications.
Collaborations
In his professional journey, Otsuka has collaborated closely with noteworthy individuals such as Hiroshi Sahara and Takashi Okada. These partnerships have likely enhanced his creativity and problem-solving skills, enabling him to tackle complex challenges in electronic engineering efficiently.
Conclusion
Fumikazu Otsuka's contributions to the field of electronics through his patents signify his role as an inventive force in the industry. His work exemplifies the essence of innovation, solving practical problems with advanced engineering solutions. As technology continues to evolve, Otsuka's inventions will undoubtedly play a crucial role in shaping the future of electronic systems.