David W Rowland

Title: The Innovations of David W. Rowland

Introduction

David W. Rowland is a notable inventor based in Cedar Rapids, IA (US). He has made significant contributions to the field of antenna technology and power amplification. With a total of 2 patents to his name, Rowland's work showcases his expertise and innovative spirit.

Latest Patents

Rowland's latest patents include a dynamic antenna matching system and method. This invention features an electronically tunable antenna matching circuit, which incorporates a first directional coupler, a first gain and phase detector, a second directional coupler, a second gain and phase detector, and a controller. The system is designed to receive forward and reflected signals, allowing for precise tuning based on circuit parameters and phase error detection.

Another significant patent is the outphasing power amplifier linearization method with improved output power back-off efficiency. This high-efficiency outphasing power amplifier is capable of amplifying complex, wideband, multi-tone signals with minimal distortion. The design employs a bridge output network formed from two complementary Class-D amplifiers, ensuring high efficiency across various power levels.

Career Highlights

David W. Rowland is currently employed at Rockwell Collins, Inc., where he continues to innovate and develop advanced technologies. His work has had a substantial impact on the field of communications and signal processing.

Collaborations

Rowland has collaborated with notable coworkers, including Timothy L. Kean and David L. Krett. These partnerships have contributed to the advancement of technology in their respective fields.

Conclusion

David W. Rowland's contributions to antenna technology and power amplification demonstrate his commitment to innovation. His patents reflect a deep understanding of complex systems and a drive to improve efficiency in communication technologies.