Company Filing History:
Years Active: 2006-2009
Title: Ralph W Quan: Innovator in RFID Technology
Introduction
Ralph W Quan is a notable inventor based in Broomfield, Colorado, recognized for his contributions to radio-frequency identification (RFID) technology. With a total of four patents to his name, Quan has made significant advancements in the field, particularly in enhancing the functionality and efficiency of RFID systems.
Latest Patents
One of Ralph W Quan's latest patents is focused on tuning an RFID reader with electronic switches. This innovation involves a reader for an RFID system that includes a signal driver for generating an excitation signal and a resonant circuit with adjustable capacitance. The design allows for retuning the resonant circuit in response to detuning, utilizing a fine-tuning capacitor and a switch that can be opened or closed to adjust the capacitance.
Another significant patent by Quan is for an antenna array for an RFID reader that is compatible with transponders operating at different carrier frequencies. This antenna array features a first reader antenna tuned to operate at a specific frequency and a second antenna tuned to a different frequency. The arrangement of these antennas is designed to minimize the effects of antenna self-resonance, thereby improving the overall performance of the RFID system.
Career Highlights
Throughout his career, Ralph W Quan has worked with prominent companies in the technology sector, including Assa Abloy AB and Assa Abloy Identification Technology Group AB. His experience in these organizations has contributed to his expertise in RFID technology and innovation.
Collaborations
Ralph W Quan has collaborated with various professionals in the field, including his coworker Ryan Neal Milbrandt. Their joint efforts have likely fostered advancements in RFID technology and contributed to the development of innovative solutions.
Conclusion
Ralph W Quan's work in RFID technology exemplifies the spirit of innovation and dedication to improving technological systems. His patents reflect a commitment to enhancing the functionality of RFID readers and antennas, making significant contributions to the industry.