This inventor holds 2 USPTO granted patents. Top assignee: Sony Corporation. Active years: 1984.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1984
Title: Minoru Ozawa: Innovator in DC Motor Control Technology
Introduction
Minoru Ozawa is a notable inventor based in Kokubunji, Japan. He has made significant contributions to the field of motor control technology, particularly in the development of circuits for DC motors. With a total of 2 patents to his name, Ozawa's work has had a considerable impact on the functionality of various recording devices.
Latest Patents
Ozawa's latest patents include a "DC Motor Control Circuit for Drop-Out of Stopping Pulses in Recorder" and a "Control Circuit for DC Capstan Motor." The first patent focuses on a control circuit designed for a DC capstan motor used in tape recorders. This circuit ensures accurate stopping of the tape during intermittent-motion operation by utilizing a frequency generator that produces a signal proportional to the motor's speed. The system includes a position signal generating circuit and a clamp circuit that work together to manage the motor's braking process effectively.
The second patent addresses the control of a DC capstan motor during slow or stop-motion playback in video tape devices. It employs a pulse width modulated (PWM) signal to drive the motor intermittently, thereby avoiding errors in the stopping position of the tape. This innovative approach includes a frequency signal generator and a retrigger monostable multivibrator that adjusts the PWM signal based on the motor's speed, ensuring precise control over the tape movement.
Career Highlights
Minoru Ozawa has built a successful career at Sony Corporation, where he has been instrumental in advancing motor control technologies. His expertise in developing sophisticated control circuits has contributed to the enhancement of various audio and video playback devices. Ozawa's work exemplifies the intersection of engineering and innovation, showcasing his commitment to improving user experiences through technology.
Collaborations
Throughout his career, Ozawa has collaborated with talented individuals such as Masakazu Sonoda and Takashi Terashima. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in the field of motor control.
Conclusion
Minoru Ozawa's contributions to DC motor control technology have established him as a prominent figure in the field. His innovative patents and work at Sony Corporation reflect his dedication to advancing technology and improving the functionality of recording devices. Ozawa's legacy continues to influence the industry, paving the way for future innovations
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile