Company Filing History:
Years Active: 1982-1987
Title: The Innovative Contributions of Roger J. Greenwald
Introduction
Roger J. Greenwald is a notable inventor based in Churchville, NY (US). He has made significant contributions to the field of technology, particularly in video playback and electronic flash apparatus. With a total of 3 patents, Greenwald's work showcases his innovative spirit and technical expertise.
Latest Patents
One of Greenwald's latest patents is a "Video disk apparatus providing organized picture playback." This invention involves a video disk player designed to playback a series of still pictures that are prerecorded on multiple video disks. The disks are housed in a magazine that can be inserted into the player. The magazine features an erasable, non-volatile memory that stores data related to the pictures. The player also includes an editing feature that allows users to generate picture file data for organized viewing, including the ability to assign pictures to albums, arrange viewing order, and establish automated viewing times.
Another significant patent is the "Electronic strobe flash apparatus for indirect and direct flash." This invention includes a first energizable flashtube that projects light for indirect illumination and a second flashtube for direct illumination. A sequencing circuit controls the energization of both flashtubes to maintain a constant ratio of indirect to direct flash. The light-sensitive circuit senses the reflected light from the scene and adjusts the flash accordingly, ensuring optimal lighting conditions while conserving energy.
Career Highlights
Roger J. Greenwald has had a distinguished career at Eastman Kodak Company, where he has been able to apply his inventive skills to develop groundbreaking technologies. His work has not only advanced the company's product offerings but has also contributed to the broader field of imaging technology.
Collaborations
Throughout his career, Greenwald has collaborated with talented individuals such as Carl N. Schauffele and Hans-Peter Baumeister. These collaborations have fostered an environment of innovation and creativity, leading to the development of impactful technologies.
Conclusion
Roger J. Greenwald's contributions to technology through his patents reflect his dedication to innovation and excellence. His work continues to influence the fields of video playback and electronic lighting, showcasing the importance of inventive minds in advancing technology.