Patents by Inventor Alfred N. Nelson

Alfred N. Nelson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • High quality printing system with constant intermittent tape drive
    Patent number: 4110758
    Abstract: A printing system of the type wherein magnetic images are recorded on a tape, the images are toned, the tape is positioned to extend adjacent to a web of paper, and the toner is then transferred from the tape to the paper. In the present system, the tape portion which passes by the image recording head and toner is moved continuously, while the tape portion which passes adjacent to the paper is moved intermittently by frictional engagement with a transport belt, a pair of vacuum column buffers being provided between the continuously and intermittently driven tape portions and supplying tape tension that holds the tape to the transport belt.
    Type: Grant
    Filed: December 22, 1976
    Date of Patent: August 29, 1978
    Assignee: Addressograph Multigraph Corporation
    Inventors: Alfred N. Nelson, David L. Davis