Location History:
- Glenview, IL (US) (1976 - 1982)
- Miliptas, CA (US) (1987)
- Milpitas, CA (US) (1986 - 1992)
Company Filing History:
9 out of 9 
8 out of 476 
1 out of 352 Years Active: 1976-1992
Title: **John Y Ma: A Visionary Innovator in Satellite Communication Technologies**
Introduction
John Y Ma is a pioneering inventor based in Milpitas, CA, renowned for his significant contributions to the field of satellite communication. With an impressive portfolio of 26 patents, John has focused his efforts on enhancing television receive-only (TVRO) systems and improving interference rejection techniques. His innovations play a crucial role in ensuring high-quality reception of satellite broadcast signals.
Latest Patents
Among John’s latest innovations are two notable patents that showcase his expertise. The first is an **Interference Filter with High Degree of Selectivity for TVRO Receiver**, which features a super-heterodyne circuit with a voltage-controlled oscillator (VCO) and a mixer. This invention aims to efficiently reduce interference by selectively rejecting undesired signals, allowing for a clearer reception of frequency-modulated video signals.
The second patent describes a **TVRO Receiver System with Tracking Filter for Rejection of Image Frequencies**. This system addresses challenges associated with image frequencies that arise during frequency translation. John's design includes a tracking filter that effectively rejects these unwanted signals without requiring precisely matched variable capacitance devices, streamlining the tuning process and enhancing overall signal clarity.
Career Highlights
Throughout his career, John has been associated with several significant organizations, including Capetronic Ltd., where he made notable contributions to the development of advanced communication technologies. His work has consistently demonstrated a commitment to innovation and excellence within the engineering and technology sectors.
Collaborations
John Y Ma has collaborated with esteemed colleagues such as Steven A Weiss and Albert C Houston, III. These partnerships have undoubtedly enriched his work, fostering an environment where innovative ideas can flourish and lead to practical advancements in satellite communications.
Conclusion
John Y Ma stands out as a prominent innovator in satellite communication technology. His strategic patents and collaborations continue to impact the industry, illustrating the importance of innovation in enhancing the quality of satellite services. As technology advances, John’s contributions will undoubtedly play a vital role in shaping the future of communication.