Company Filing History:
Years Active: 1988-2003
Title: **Masato Sekine: Innovator in Nonlinearity Compensation Circuits**
Introduction
Masato Sekine is a renowned inventor based in Kanagawa, Japan. He is recognized for his innovative contributions in the field of electronic circuits, particularly focusing on techniques for nonlinearity compensation. With a total of three patents to his name, Sekine has made significant strides in enhancing the performance of recording and playback apparatuses.
Latest Patents
Sekine's latest patents include:
1. **Nonlinearity Compensation Circuit and Method**: This invention introduces a nonlinearity compensation circuit that utilizes an inverse hyperbolic function generation circuit. It effectively converts differential currents corresponding to input signals into differential voltages that rise in proportion to an inverse hyperbolic function. Further, an offset provision circuit provides an offset aligned with control signals. The outcome facilitates the compensation of second-order distortion in read signals from recording media.
2. **Control Circuit and Method for Nonlinearity Compensation Circuit**: Closely related to his first patent, this control circuit enhances the performance of the nonlinearity compensation circuit by refining the signal processing involved in converting differential voltages into proportional signals.
3. **Recording and/or Playback Apparatus Employing the Same**: This patent specifies how the aforementioned circuits can be integrated into recording and playback devices, ensuring higher fidelity and reduced distortion through improved signal handling techniques.
4. **Automatic Gain Control Circuit**: This circuit features a variable gain amplifier alongside a signal level detecting circuit that adjusts the gain based on output signal levels. The intricate design incorporates differential amplification, enabling precise control of signal quality and strength.
Career Highlights
Masato Sekine is currently employed at Sony Corporation, where he has furthered his work on electronic innovations. His dedication to improving circuit design not only showcases his technical expertise but also his commitment to advancing technology in the fields of audio and visual media.
Collaborations
Throughout his career, Sekine has collaborated with esteemed colleagues such as Norio Shoji and Masayuki Katakura. Together, they have contributed to various projects that have enhanced the functionality and efficiency of electronic devices.
Conclusion
Masato Sekine's contributions to the field of electronics have established him as a prominent inventor specializing in nonlinearity compensation techniques. His innovative patents continue to influence the design and efficiency of modern recording and playback technologies, reflecting his pivotal role in advancing electronic engineering.