Company Filing History:
25 out of 59 
23 out of 1,056 
4 out of 618 
Years Active: 2010-2025
Title: **Innovative Contributions of Soon-Jyh Chang in Acoustic Systems and Memory Technology**
Introduction
Soon-Jyh Chang, a prominent inventor based in Tainan, Taiwan, has made significant strides in the fields of acoustic systems and memory technology with a remarkable portfolio of 30 patents. His dedication to innovation has led to the design and development of cutting-edge technologies that enhance various electronic applications.
Latest Patents
Among his latest contributions are two notable patents that showcase his expertise. The first patent, "Voice activity detection system and acoustic feature extraction circuit thereof," involves an acoustic feature extraction (AFE) circuit incorporating a series of band-pass filters (BPFs). This setup is designed to handle multiple channels, each with distinct frequency ranges, enhancing the ability to filter and process acoustic signals effectively. The circuit utilizes time-division multiplexing to optimize signal processing across the BPFs and rectifiers.
The second patent, titled "Recognition system and SRAM cell thereof," outlines a state-of-the-art static random-access memory (SRAM) cell design. This SRAM cell includes cross-coupled inverters and access transistors controlled by a word line, allowing efficient access to memory outputs. The inventive architecture includes passage transistors and capacitors that effectively manage common-mode voltage and input signals, improving the overall performance and reliability of memory systems.
Career Highlights
Soon-Jyh Chang has worked with renowned institutions, notably the National Cheng Kung University Research and Development Foundation and Himax Technologies, Inc. His experience in these organizations has enriched his knowledge and skills in electronic systems and applications, laying the foundation for his innovative patents.
Collaborations
Throughout his career, Chang has collaborated with talented colleagues, including Chung-Ming Huang and Jin-Fu Lin. These collaborations have not only enhanced his own research but have also propelled advancements in their respective fields, contributing to significant technological progress.
Conclusion
With 30 patents to his name, Soon-Jyh Chang stands out as an innovative inventor whose work in acoustic technology and memory systems has driven advancements in modern electronics. His contributions demonstrate a potent blend of creativity and technical expertise, promising future innovations that will continue to influence the industry.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.