Company Filing History:
2 out of 731 
2 out of 832,891 Years Active: 1993-2005
Title: The Innovations of Philip Roger Dahl
Introduction
Philip Roger Dahl is a notable inventor based in Encino, CA (US). He holds a total of 4 patents that showcase his contributions to technology and innovation. His work primarily focuses on advanced systems for attitude determination and precision payload pointing.
Latest Patents
Dahl's latest patents include a method and system using a GPS-based phased-array scheme for three-axis attitude determination. This innovative method determines three-axis attitude from line-of-sight (LOS) solutions for two or more GPS satellites by utilizing intersections of null cone patterns and LOS vectors. In a preferred embodiment, a unified GPS-based sensor also provides navigation information. Another significant patent is the spacecraft off-gimbal inertial reference unit (IRU) precision payload pointing and disturbance rejection system. This system enhances off-gimbal pointing by filtering resolver and gyro responses to improve dynamic control and reject the effects of base motion disturbances and vibrations.
Career Highlights
Throughout his career, Dahl has worked with various organizations, including The Aerospace Corporation. His expertise in developing advanced technologies has made a significant impact in the aerospace sector.
Collaborations
Dahl has collaborated with notable professionals in his field, including Joseph J. Gerardi and Gail A. Hickman. Their combined efforts have contributed to the success of various projects and innovations.
Conclusion
Philip Roger Dahl's work exemplifies the spirit of innovation in technology. His patents reflect a commitment to advancing systems that enhance precision and reliability in aerospace applications.