Francis H Zeman

Title: Innovations of Francis H Zeman

Introduction

Francis H Zeman is a notable inventor based in New Brighton, MN (US). He has made significant contributions to the field of laser technology, particularly in the development of systems that enhance the performance of ring laser angular rate sensors. With a total of 2 patents, Zeman's work has implications for various applications in navigation and precision measurement.

Latest Patents

Zeman's latest patents include the "Laser gyro system" and "Ring laser lock-in correction apparatus." The Laser gyro system patent discloses an improved method and apparatus for providing lock-in error reduction in ring laser angular rate sensors. This innovation employs two independent feedback control systems to alter the laser path, achieving a minimum lock-in rate. The Ring laser lock-in correction apparatus provides a mechanism for altering a ring laser angular rate sensor to compensate for lock-in error. This apparatus generates a compensation output signal derived from the intensity of the propagating waves, which can be utilized to correct the phase difference between the counter-propagating waves.

Career Highlights

Zeman has been associated with Honeywell GmbH, where he has applied his expertise in laser technology. His work has contributed to advancements in sensor technology, enhancing the accuracy and reliability of various systems.

Collaborations

Throughout his career, Zeman has collaborated with notable colleagues, including Wah L Lim and Harry A Gustafson. These collaborations have fostered innovation and have been instrumental in the development of his patented technologies.

Conclusion

Francis H Zeman's contributions to laser technology and sensor systems exemplify the impact of innovative thinking in engineering. His patents reflect a commitment to improving the functionality and accuracy of angular rate sensors, showcasing the importance of continuous innovation in this field.