Location History:
- Chelmsford, MA (US) (1985)
- Pepperill, MA (US) (1989)
- Pepperell, MA (US) (1999)
Company Filing History:
2 out of 3 
1 out of 832,843 Years Active: 1985-1999
Title: Mark J Giubardo: Innovator in Radio Receiver Technology
Introduction
Mark J Giubardo is an inventive mind located in Chelmsford, MA, who has contributed significantly to the field of radio technologies. With a total of three patents to his name, Giubardo's work focuses on improving the functionality and efficiency of radio receivers, making strides in their operational capabilities.
Latest Patents
Mark J Giubardo's latest patents showcase his cutting-edge innovations in scanning and radio receiver technologies. One of his notable inventions is a **Scanner with Audible Identification of Tuned Channel**, which includes a scanning receiver equipped with mechanisms for generating audible annunciations associated with the channels it scans. This innovation addresses the limitations of conventional alphanumeric displays by incorporating audible feedback, enhancing user experience.
Another key invention is the **Radio Receiver with Automatic Interference Cancellation**. This technology effectively cancels out undesired, interfering narrowband signals using a unique system involving a variable narrowband pass filter. By sampling and reversing the phase of the unwanted signals and combining them with the total received signal, Giubardo's invention significantly alleviates interference challenges, particularly in Loran-C receivers, thus improving signal clarity and reception quality.
Career Highlights
Mark J Giubardo has held positions at Digital Marine Electronics Corporation, where he applied his innovative spirit to advance marine communication technologies. His professional journey emphasizes a commitment to pushing the boundaries of radio technology and enhancing communication systems.
Collaborations
In his endeavors, Giubardo collaborated with notable professionals including Sheldon B Michaels and Jeffrey Scott Morris. These partnerships underscore the collaborative nature of innovation in the field and reflect the importance of teamwork in developing advanced technologies.
Conclusion
In conclusion, Mark J Giubardo stands out as an accomplished inventor whose patents have made significant impacts in the realm of radio technology. His innovative designs not only answer existing challenges but also pave the way for future advancements in communication systems. As a pioneer in his field, Giubardo's contributions will continue to influence the evolution of radio receivers and their functionality.