Company Filing History:
Years Active: 1997-1998
Title: The Innovations of Robert A Dougherty
Introduction
Robert A Dougherty is an accomplished inventor based in Ozona, Florida. He holds three patents that showcase his expertise in video signal processing and communication systems. His work has significantly contributed to advancements in the field of video technology.
Latest Patents
One of Dougherty's latest patents is titled "Co-channel transmission of program signals and ancillary signals." This invention involves adding an ancillary code to a composite video signal within its active video portion. The ancillary code is designed to enhance legibility at the output of a decoder by being spread over several frequencies. Additionally, frequency-stepping is utilized to incorporate the ancillary code at selected frequencies within the bandwidth of the composite video signal. Another notable patent is the "Video and data co-channel communication system." This invention modulates ancillary data onto a carrier frequency within a low energy density portion of a video signal's frequency band. The modulated carrier data is combined with the video signal, ensuring that it resides in the overscan region, thereby enhancing the legibility of the ancillary data.
Career Highlights
Throughout his career, Dougherty has worked with prominent companies such as Nielsen Media Research, Inc. and A.C. Nielsen Company. His experience in these organizations has allowed him to refine his skills and contribute to significant projects in the media and communication sectors.
Collaborations
Dougherty has collaborated with notable individuals in his field, including Daozheng Lu and Henry B Wheeler. These partnerships have fostered innovation and the exchange of ideas, further enhancing the impact of his work.
Conclusion
Robert A Dougherty's contributions to video technology through his patents and career experiences highlight his role as a significant innovator in the field. His work continues to influence advancements in video signal processing and communication systems.