Location History:
- Schaumburg, IL (US) (1984 - 1985)
- Arlington Heights, IL (US) (1993)
Company Filing History:
Years Active: 1984-1993
Title: Innovations of Charles Choi
Introduction
Charles Choi is an accomplished inventor based in Schaumburg, IL (US). He has made significant contributions to the field of telecommunications and signal processing. With a total of 3 patents to his name, Choi has demonstrated his expertise and innovative spirit in developing advanced technologies.
Latest Patents
One of Choi's latest patents is a data signal compensation apparatus for use in a receiver. This patent discusses a signal compensation apparatus that is implemented in a digital radiotelephone, featuring diversity receivers. The apparatus utilizes three control loops and a branch selection switch circuit to effectively reduce undesired gain and DC offset in the selected received data signal. Portions of this apparatus are implemented in a digital signal processor (DSP) for rapid adjustment of the control loops when switching to a different receiver branch.
Another notable patent is a narrow bandwidth microstrip filter. This invention includes an interdigital microstrip transmission line filter with three electrically conductive strips, each coupled to grounded portions on one end and capacitive loading pads on the other. The design minimizes undesired coupling between non-adjacent strips, resulting in a unique microstrip filter that has a frequency response devoid of passband transmission zeros.
Career Highlights
Charles Choi is currently employed at Motorola Corporation, where he continues to innovate and contribute to the field of telecommunications. His work has been instrumental in advancing technologies that enhance communication systems.
Collaborations
Choi has collaborated with notable coworkers such as Raymond L. Sokola and David Grant Cason, further enriching his professional experience and contributions to the industry.
Conclusion
Charles Choi's innovative work in signal processing and telecommunications has led to the development of several important patents. His contributions continue to impact the field positively, showcasing his dedication to advancing technology.
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.