Location History:
- Minneapolis, MN (US) (1985 - 1989)
- St. Anthony, MN (US) (1990)
Company Filing History:
3 out of 3,645 
1 out of 832,966 Years Active: 1985-1990
Title: The Innovations of Stephen P Callaghan
Introduction
Stephen P Callaghan is a notable inventor based in Minneapolis, MN (US). He holds a total of 4 patents, showcasing his contributions to the field of technology and engineering. His work primarily focuses on advancements in sensor technology, particularly in the area of angular rate sensors.
Latest Patents
One of his latest patents is a dither signal remover for a dithered ring laser angular rate sensor. This invention involves processing readout signals from a dithered ring laser angular sensor through a signal combining circuit. This circuit is part of a closed-loop dither signal remover scheme. The output from the signal combining circuit is demodulated based on the dither applied to the ring laser sensor. This output is then utilized to control a correction signal. The combining circuit effectively merges the readout signal and the correction signal to produce an output signal that is stripped of nearly all dither signal components.
Career Highlights
Throughout his career, Stephen has worked with various companies, including Honeywell G.m.b.h. His experience in these organizations has contributed significantly to his expertise and innovative capabilities.
Collaborations
Stephen has collaborated with notable individuals such as Wesley C Sewell and Timothy J Callaghan. These partnerships have likely enhanced his work and led to further advancements in his inventions.
Conclusion
Stephen P Callaghan's contributions to the field of sensor technology are significant, particularly through his innovative patents. His work continues to influence advancements in angular rate sensors and related technologies.