Location History:
- San Jose, CA (US) (1978)
- Campbell, CA (US) (1980 - 1983)
Company Filing History:
Years Active: 1978-1983
Title: The Innovative Mind of Charles E. Mendenhall
Introduction: Charles E. Mendenhall, an accomplished inventor based in Campbell, California, has made significant contributions to the field of electrical engineering, particularly in motor control systems. With a remarkable portfolio of 8 patents, Mendenhall's work exemplifies the intersection of innovation and practicality in technology.
Latest Patents: One of Mendenhall's notable patents is the Digital Motor Speed Controller, which includes a control apparatus designed for polyphase, brushless DC electric motors. This system incorporates a programmed microprocessor that responds to rotor position and rotational speed, enabling selective energization of the motor windings to achieve desired speeds. The apparatus has been designed to be compact, easily fabricated, and offers greater reliability compared to traditional hardwired control circuitry. Another significant invention is the Autonomous Fault Diagnosis for Disk Drive, which integrates an internal microprocessor along with testing capabilities within the disk drive control system. This innovative system can simulate drive operations without any carriage motion, allowing for thorough testing of all functional subsystems of the disk drive. The testing method involves exercising subsystems and diagnosing them based on a hierarchy of interdependence.
Career Highlights: Throughout his career, Mendenhall has demonstrated his inventive prowess while working at prominent organizations such as Sperry Rand Corporation and Priam. His expertise in control systems and diagnostics has paved the way for advancements that are integral to modern technology.
Collaborations: Mendenhall has collaborated with talented individuals in the field, including coworkers such as Donald F. Johann and Thomas L. Andrews, Jr. These partnerships have likely contributed to the successful development and implementation of Mendenhall's innovative projects.
Conclusion: Charles E. Mendenhall stands out as a prolific inventor whose work has significantly impacted the engineering field. His patents reflect a commitment to improving technology, particularly in motor control systems and disk drives. As technological demands continue to evolve, Mendenhall's contributions serve as a testament to the importance of innovation in shaping our modern world.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.