Company Filing History:
Years Active: 1978-1984
Title: Edward R. Prelletz: Innovator in Cassette Handling and Projector Technology
Introduction
Edward R. Prelletz is a notable inventor based in Chicago, IL, who has made significant contributions to the fields of cassette handling and projector technology. With a total of 3 patents to his name, Prelletz has demonstrated a commitment to innovation and problem-solving in his work.
Latest Patents
Among his latest patents is the "Cassette handling apparatus with improved control arrangement." This invention features an edge loading cassette holder/loader that utilizes an advanced ejector/release control arrangement. The design allows for the cassette to be loaded narrow end first through a loading receiver opening into a holder/loader platform. The control arrangement includes a first pivotally mounted control arm that is biased to pivot the arm to partially eject the cassette for removal. Additionally, a second pivotally mounted control arm works in conjunction with the first arm to function as a release member for the platform. The platform is designed to pivot between an upper loading position and a lower operative position, ensuring efficient engagement with transport drive spindles.
Another significant patent is the "Projector reset-auto stop mechanism." This invention provides a projector with forward and reverse film drive assemblies, along with a mode controller assembly for selecting operational modes. The control selectively stops film transport when a predetermined film tension occurs, enhancing the functionality and reliability of the projector. The mode controller assembly can be manually shifted to reset the control, ensuring that the film transport operates smoothly across various modes.
Career Highlights
Edward R. Prelletz is currently employed at Bell & Howell Company, where he continues to innovate and develop new technologies. His work has had a lasting impact on the industry, particularly in the areas of cassette handling and projector mechanisms.
Collaborations
Throughout his career, Prelletz has collaborated with notable coworkers such as Gerald D. Warden and Raymond W. Kim. These partnerships have contributed to the advancement of technology in their respective fields.
Conclusion
Edward R. Prelletz stands out as a dedicated inventor whose work has significantly influenced cassette handling and projector technology. His innovative patents reflect his expertise and commitment to enhancing user experience in these areas.