Joop Van Bijnen

Title: Joop Van Bijnen: Innovator in Optical Disc Technology

Introduction

Joop Van Bijnen is a notable inventor based in Eindhoven, Netherlands. He has made significant contributions to the field of optical disc technology, holding a total of 3 patents. His work focuses on improving the efficiency and functionality of optical disc drives.

Latest Patents

One of his latest patents is titled "Apparatus and method for controlling the rotation velocity of an optical disc." This invention provides a method for controlling the rotation velocity of an optical disc across a wide range of speeds, including low velocities. It utilizes a first sensor, such as an EMF sensor, to manage the commutation moments of a turntable motor. For velocities outside the initial range, a periodic control signal is generated based on a second sensor, ensuring compatibility with LightScribe™ applications.

Another significant patent is the "Method of recovering energy from the turntable motor in an optical disc drive and optical device." This invention outlines a method for recovering energy from the turntable motor in an optical disc drive. It involves a power supply and circuitry that can selectively feed current from the power supply into the motor and vice versa. The method includes steps for decelerating the motor and calculating a ratio between the durations of the two states to optimize energy recovery.

Career Highlights

Joop Van Bijnen has worked with prominent companies, including Koninklijke Philips Corporation N.V. and Koninklijke Philips Electronics N.V. His experience in these organizations has allowed him to develop and refine his innovative ideas in optical technology.

Collaborations

Throughout his career, Joop has collaborated with notable colleagues such as Herman Van Der Kall and Hendrikus Albertus Johanna Looijmans. These partnerships have contributed to the advancement of his inventions and the overall progress in the field.

Conclusion

Joop Van Bijnen is a distinguished inventor whose work in optical disc technology has led to several important patents. His innovative methods for controlling rotation velocity and recovering energy from motors demonstrate his commitment to enhancing optical devices. His contributions continue to influence the industry and pave the way for future advancements.