Company Filing History:
Years Active: 2003
Title: David Marchesan: Innovator in Image Signal Processing
Introduction
David Marchesan is a notable inventor based in Ottawa, Canada. He has made significant contributions to the field of radio signal processing, particularly through his innovative patent. His work focuses on enhancing the performance of radio transceivers, which are essential in modern communication systems.
Latest Patents
David Marchesan holds a patent for a "Method and apparatus for performing image signal rejection." This invention provides a method and apparatus for image rejection filtering in a radio signal processing device. Specifically, the apparatus is a radio transceiver that includes both a transmitter and a receiver, each equipped with an image rejection filter. The design utilizes a control signal, which is typically available in standard radio transceiver architectures, to simultaneously tune the Local Oscillator (LO) frequency and the image rejection frequency of the filters. This innovative approach ensures that the image rejection filters accurately track the LO frequency over a range of frequencies, enhancing the overall performance of the transceiver.
Career Highlights
David Marchesan has had a distinguished career, primarily working with Nortel Networks Corporation. His role at Nortel has allowed him to apply his expertise in radio signal processing and contribute to advancements in telecommunications technology. His innovative work has positioned him as a key figure in the industry.
Collaborations
Throughout his career, David has collaborated with several talented individuals, including Miles A. Copeland and Sorin P. Voinigescu. These collaborations have fostered a creative environment that has led to significant advancements in their respective fields.
Conclusion
David Marchesan's contributions to image signal processing and radio transceiver technology highlight his innovative spirit and dedication to advancing communication systems. His patent reflects a deep understanding of the complexities involved in radio signal processing, making him a valuable asset to the field.