This inventor holds 9 USPTO granted patents. Top assignee: U.S. Philips Corporation. Active years: 1976-1991.
Company Filing History:
Years Active: 1976-1991
Title: Adriaan J Groothoff: Innovator in Picture Tube Technology
Introduction
Adriaan J Groothoff is a notable inventor based in Eindhoven, Netherlands. He has made significant contributions to the field of display technology, particularly in the development of picture tubes. With a total of 9 patents to his name, Groothoff's work has had a lasting impact on the industry.
Latest Patents
Groothoff's latest patents include innovative designs that enhance the functionality and efficiency of picture tubes. One of his notable inventions is a picture tube having an electro-magnetic deflection unit. This invention relates to a deflection unit that comprises a coil holder and a cylindrical connection member with elastic tongues. The design allows the coil holder to be tilted around two mutually perpendicular axes, improving the precision of the deflection unit.
Another significant patent is for a picture display device that includes means for compensating line stray fields. This device features a display tube and a deflection unit that comprises both field and line deflection coils. To meet predetermined interference radiation standards, the device incorporates a set of interference suppression coils arranged symmetrically and at right angles to the line deflection coil. This innovative design ensures that the local magnetic dipole field remains below desired standards, enhancing the device's performance.
Career Highlights
Groothoff has spent a considerable part of his career at U.S. Philips Corporation, where he has been instrumental in advancing display technology. His work has not only contributed to the company's success but has also influenced the broader field of electronics and display systems.
Collaborations
Throughout his career, Groothoff has collaborated with several esteemed colleagues, including Nicolaas G Vink and Albertus A Sluyterman. These collaborations have fostered innovation and have led to the development of groundbreaking technologies in the display sector.
Conclusion
Adriaan J Groothoff's contributions to picture tube technology and display devices have established him as a prominent figure in the field of innovation. His patents reflect a commitment to enhancing technology and improving user experience in display systems.