Hans Antonie Feijen

Title: Hans Antonie Feijen: Innovator in Projection Technology

Introduction

Hans Antonie Feijen is a notable inventor based in Oss, Netherlands. He has made significant contributions to the field of projection technology, holding 2 patents that showcase his innovative approach to enhancing projection systems.

Latest Patents

Feijen's latest patents include a "Projection system and method for operating a projection system to compensate for overshoot sequence." This patent describes a method for operating a projection system where the brightness level in an image is represented by the total length of several light switch-on phases within a specific image cycle. The high-pressure discharge lamp in the projection system is operated via a lamp driver with a square-wave alternating current, ensuring that the overshoot sequence has a frequency high enough to maintain brightness levels effectively. Another patent is for a "Circuit arrangement for operating a high pressure discharge lamp," which includes a down converter and a commutator designed to control the amplitude of the DC current generated, thereby suppressing resonance issues.

Career Highlights

Feijen is associated with Koninklijke Philips Corporation N.V., a leading company in the technology and electronics sector. His work at Philips has allowed him to focus on developing advanced projection technologies that improve the quality and efficiency of visual displays.

Collaborations

Throughout his career, Feijen has collaborated with notable colleagues, including John Evarist Karel Georges De Clercq and Roy Hendrik Anna Maria Van Zundert. These collaborations have contributed to the advancement of projection technology and innovation within the industry.

Conclusion

Hans Antonie Feijen is a distinguished inventor whose work in projection technology has led to significant advancements in the field. His patents reflect a commitment to innovation and improvement in visual display systems.