This inventor holds 7 USPTO granted patents and 1 published patent application. Top assignees: U.S. Philips Corporation, Hewlett-Packard Company, Other. Active years: 1993-1999.
Location History:
- Eindhoven, NL (1993 - 1995)
- Mierlo, NL (1998 - 1999)
- Eindhover, NL (1999)
- 5621 BA Eindhoven, NL (1999)
Company Filing History:
5 out of 14,087 
1 out of 9,639 
1 out of 834,411 Years Active: 1993-1999
Title: The Innovations of Henricus C Buthker
Introduction
Henricus C Buthker is a notable inventor based in Mierlo, Netherlands. He has made significant contributions to the field of motor control devices, holding a total of 7 patents. His work has advanced the technology used in electric motors, particularly in the area of brushless d.c. motors.
Latest Patents
Buthker's latest patents include a motor control device apparatus designed for the recording and/or reproduction of electric 3-phase brushless d.c. motors. This innovative device features a detection unit that generates a commutation signal based on the back-emf voltage produced in the motor's windings. Additionally, the motor control device includes an output stage for connecting a power-supply source and semiconductor elements for selectively coupling the terminals to the outputs based on the commutation signal. Another significant patent involves an arrangement for generating drive signals for a multi-phase d.c. motor, which utilizes a multi-phase inverter to supply drive signals in a specific sequence. This arrangement also incorporates a phase detector and a phase-locked loop to ensure precise control of the motor's operation.
Career Highlights
Throughout his career, Buthker has worked with prominent companies, including U.S. Philips Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking innovations in motor technology.
Collaborations
Buthker has collaborated with notable individuals in the field, including Gerardus A Van Beijsterveld and Antonius A Marinus. These partnerships have fostered a creative environment that has led to the development of advanced motor control technologies.
Conclusion
Henricus C Buthker's contributions to the field of motor control devices have significantly impacted the industry. His innovative patents and collaborations with esteemed colleagues highlight his dedication to advancing technology in electric motors.