Johan A Rietdijk

Title: Johan A Rietdijk: Innovator in Display and X-ray Technology

Introduction

Johan A Rietdijk is a notable inventor based in Eindhoven, Netherlands. He has made significant contributions to the fields of display technology and X-ray systems. With a total of 3 patents to his name, Rietdijk's work has had a lasting impact on the industry.

Latest Patents

One of Rietdijk's latest patents is a method of manufacturing a color display tube. This innovative method involves displacing the shadow mask relative to the display window using movable positioning members after the envelope is formed. Once the color display tube is assembled, a test pattern is displayed on the screen and optimized for accurate alignment. The adjusted position is then fixed by forming welds using a laser between the connection means and support elements in the display window. Another significant patent is for an X-ray tube that features a rotary anode journalled in a helical-groove bearing. This design ensures that the axial median plane of the rotary anode system aligns closely with the axial center of the bearing, allowing for effective cooling through a connection that adapts to the weight and geometry of the anode system.

Career Highlights

Rietdijk has worked with U.S. Philips Corporation, a leading company in technology and innovation. His role at Philips has allowed him to develop and refine his inventions, contributing to advancements in display and imaging technologies.

Collaborations

Throughout his career, Rietdijk has collaborated with notable coworkers such as Jan T Gerkema and Johannes L Hagen. These partnerships have fostered a creative environment that has led to innovative solutions in their respective fields.

Conclusion

Johan A Rietdijk's contributions to display technology and X-ray systems exemplify his innovative spirit and dedication to advancing technology. His patents reflect a commitment to improving the functionality and efficiency of these essential devices.