Company Filing History:
Years Active: 1998-2004
Title: Shigeto Yanagi: Innovator in Audio and Video Technology
Introduction
Shigeto Yanagi, an esteemed inventor based in Chiba, Japan, has made significant contributions in the field of audio and video technology. With a total of three patents to his name, Yanagi is recognized for his innovative designs that enhance signal processing in communication devices. His work primarily focuses on developing advanced circuits that not only improve audio and video quality but also streamline the functionality of these devices in everyday applications.
Latest Patents
Yanagi's latest patents showcase his technical prowess in creating sophisticated electronic systems. One of his notable inventions is a **Fronted Circuit**, which employs a band-pass filter to separate audio intermediate frequency signals from input signals. This system incorporates an A/D converter to digitize these signals, allowing a DSP to perform audio detection and generate an Automatic Gain Control (AGC) signal. The inclusion of a variable gain amplifier enables AGC to be applied, further enhancing the audio signal quality. Additionally, this circuit integrates a similar process for video signals, ensuring that both audio and video components are effectively digitized and processed.
Another significant invention is the **Information Receiving Device and Method**, which addresses the challenge of eliminating interfering waves while optimizing antenna orientation. By utilizing a SAW (surface acoustic wave) filter, Yanagi's device can efficiently eliminate a ground analog broadcasting wave and isolate specific video-signal elements. The arrangement of the filter is meticulously designed to coincide with peak interfering signals, while the A/D converter generates feedback for a high-frequency amplifier. This invention also features a waveform equalization unit to correct ghost images from multi-path interference, thereby ensuring high-quality signal reception.
Career Highlights
Yanagi currently works at Sony Corporation, renowned for its cutting-edge technology and commitment to innovation. His role as an inventor at such a prestigious company has allowed him to remain at the forefront of technological advancements in multimedia systems. His research and patent contributions are a testament to his expertise and dedication in the field.
Collaborations
Throughout his career, Yanagi has collaborated with talented colleagues such as Toshiyuki Nagano and Hiromichi Sano. These partnerships have fostered a dynamic environment for innovation, where ideas are shared, and creative solutions are developed to tackle complex technological challenges. Together, they have contributed to advancements that have significantly impacted the industry.
Conclusion
Shigeto Yanagi is a prominent figure in the realm of electronic innovations, particularly in audio and video technology. His three patents reflect his commitment to enhancing signal processing and improving overall device performance. Through his work at Sony Corporation and collaborations with skilled compatriots, Yanagi continues to pave the way for future innovations in communication technology, making a lasting impact on the field.