Location History:
- Maynard, MA (US) (1990)
- Acton, MA (US) (1997)
Company Filing History:
Years Active: 1990-1997
Title: The Innovations of Roger L. Holman: A Notable Inventor from Acton, MA
Introduction: Roger L. Holman is an accomplished inventor based in Acton, Massachusetts, recognized for his significant contributions to the field of motor control systems. With a total of two patents to his name, Holman has demonstrated a commitment to pushing the boundaries of technology through his innovative designs.
Latest Patents: Holman's latest patents reflect his expertise in electrical engineering. One of his prominent inventions is the "Digital, Back EMF, Single Coil Sampling, Sensorless Commutator System." This system is designed for direct current (d.c.) motors and includes features for detecting null voltage during back EMF commutation states, counting directionally based on voltage detection, and adjusting the frequency of commutation states.
Additionally, he has developed a "Pulse Width Modulated Inductive Load Controller." This controller enhances the operation of inductive loads through a sophisticated load switching circuit that operates in pairs. The invention employs commutation logic to create various sequential combinations of switch devices, while also ensuring that any regenerated current is recirculated appropriately through the load coils.
Career Highlights: Roger L. Holman is affiliated with Cambridge Aeroflo, Inc., a company renowned for its innovative engineering solutions. His work at Cambridge Aeroflo emphasizes advancements in control systems and efficiency improvements for electrical devices.
Collaborations: Throughout his career, Holman has collaborated with talented colleagues such as Adam J. Cohen and Rajesh M. Nair. Their joint efforts reflect a shared commitment to innovation and excellence in technology development.
Conclusion: Roger L. Holman's contributions to motor control technology through his patented inventions highlight his role as a significant innovator in the field. His work not only exemplifies technical ingenuity but also underscores the ongoing importance of innovation in modern engineering practices.