Company Filing History:
11 out of 377 
2 out of 1,186 
2 out of 3 Years Active: 1998-2013
Title: **John C. Carrick: Pioneer in RFID Technology**
Introduction
John C. Carrick, a notable inventor based in Wakefield, MA, has made significant contributions to the field of radio frequency identification (RFID) technology. With an impressive portfolio of 16 patents, Carrick's innovations have paved the way for advancements in RFID tag operations, enhancing the capabilities of this crucial technology.
Latest Patents
Among his latest patents, Carrick has developed methods and apparatuses focused on RFID tag range determination. These advancements include innovative techniques for assessing the location characteristics between an RFID tag and an RFID tag reader, or between two RFID tags. His patents describe the process of evaluating signals backscattered from a singulated tag across varying frequencies, analyzing in-phase (I) and in-quadrature (Q) signal components. By processing the I-Q data, Carrick is able to determine the phase delay angles associated with each signal frequency. This phase delay data can further be analyzed using either a sum of squared errors method or a Fourier transform method to ascertain the distance to the singulated tag. The applications of these methods extend to determining location, radial velocity, directional velocity, and proximity to other tags, showcasing the versatility and significance of his work.
Career Highlights
Throughout his career, Carrick has been associated with well-respected companies in the tech industry. Notably, he worked at Tellabs Operations, Inc. and Trimble Navigation Limited, where he leveraged his expertise to drive advancements in technology and innovation.
Collaborations
John C. Carrick has collaborated with esteemed colleagues, including Ornan A. Gerstel and Stuart D. Brorson. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and spurs innovation within the realm of RFID technology.
Conclusion
John C. Carrick's contributions to RFID technology demonstrate his commitment to innovation and advancement. His 16 patents not only illustrate his inventiveness but also his dedication to enhancing the accuracy and functionality of RFID applications. As technology continues to evolve, Carrick's work will undoubtedly remain influential in shaping the future of this field.