Location History:
- Norway, IA (US) (1983 - 1987)
- Marion, IA (US) (1992 - 1997)
Company Filing History:
8 out of 3,430 
1 out of 1 Years Active: 1983-1997
Title: The Innovative Contributions of Roger K Loper
Introduction
Roger K Loper is a notable inventor based in Marion, Iowa, with a remarkable portfolio of nine patents. His work primarily focuses on advancements in signal processing and communication technologies. Loper's inventions have significantly contributed to the field, particularly in improving the performance of radio receivers.
Latest Patents
Among his latest patents, Loper has developed a system for correcting quadrature gain and phase errors in direct conversion receivers. This innovative system addresses gain and phase errors by treating them as resident in the Q channel, employing an iterative process to generate intermediary signals. These signals incorporate a trigonometric product of the IF signal and the I and Q signal components, producing correction factors that maintain a matched quadrature relationship between the two signal channels. Another notable patent is his AM demodulation receiver using a digital signal processor. This receiver compensates for carrier energy removed by a capacitive coupling circuit, converting the received AM signal into I and Q component signals. The digital signal processor processes these signals to enhance the receiver's performance.
Career Highlights
Loper has had a distinguished career, working with prominent companies such as Rockwell International Corporation. His experience in these organizations has allowed him to refine his skills and contribute to significant technological advancements in the industry.
Collaborations
Throughout his career, Loper has collaborated with esteemed colleagues, including Ernest J Moes and Thomas R Hope. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.
Conclusion
Roger K Loper's contributions to the field of signal processing and communication technologies are noteworthy. His innovative patents and collaborations reflect his commitment to advancing technology and improving communication systems.
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.