Patents by Inventor Herman P. Hueber

Herman P. Hueber 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).

  • Patent number: 4125844
    Abstract: A cassette tape recorder including a device for making index marks on a strip denoting the position of magnetic tape relative to a magnetic head, the marking strip being on a cassette exterior surface and having magnetically alignable particles by which visible, magnetically erasable marks can be made. The marking device includes a controllable magnet for selectively magnetizing an element made of a soft magnetic material which conducts flux to the strip.In a magnetic tape cassette adapted for such apparatus a strip with magnetically alignable particles is arranged on at least one major flat wall of the cassette, so as to be readily visible.
    Type: Grant
    Filed: January 23, 1978
    Date of Patent: November 14, 1978
    Assignee: U.S. Philips Corporation
    Inventors: Hermann Bretschneider, Herman P. Hueber, Friedrich Louzil, Karl Fischer, Lothar Jager, Johann Sagan