Location History:
- Philadelphia, PA (US) (1990 - 2006)
- Jamison, PA (US) (1999 - 2015)
Company Filing History:
28 out of 2,107 
1 out of 43 Years Active: 1990-2015
Title: Innovations and Contributions of John David Kaewell, Jr.
Introduction
John David Kaewell, Jr., based in Jamison, PA, is an influential inventor with an impressive portfolio of 29 patents. His work primarily focuses on advancements in communication systems, particularly in the areas of signal processing and digital information transmission.
Latest Patents
Among his latest inventions is the "Pre-phase Error Correction" patent, which leverages a signal processor for encoding voice and non-voice signals into data at various rates, such as 8 kbps, 16 kbps, 32 kbps, or 64 kbps as I and Q signals. This innovation allows for dynamic selection of data rates based on the type of signal, improving processing efficiency.
Another notable patent by Kaewell is the "Orthogonal Frequency Division Multiplexing (OFDM) Method and Apparatus for Protecting and Authenticating Wirelessly Transmitted Digital Information." This technology involves a wireless OFDM communication system that embeds digital information steganographically within an OFDM signal, enhancing both protection and authentication of the transmitted data.
Career Highlights
Throughout his career, John has made significant contributions while working at leading technology firms such as InterDigital Technology Corporation and International Mobile Machines Corporation. These experiences have shaped his innovative approaches and dedication to advancing communication technology.
Collaborations
Kaewell has collaborated with esteemed professionals, including his coworkers Alexander Reznik and Jan Meyer. These partnerships have fostered a rich environment for innovation, driving the development of groundbreaking technologies in the telecommunications sector.
Conclusion
John David Kaewell, Jr.'s extensive patent portfolio and collaborative work underscore his vital role in technological advancements related to communication systems. His contributions continue to influence the industry, paving the way for future innovations.
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.