Patents by Inventor Andrew E. Tanzer

Andrew E. Tanzer 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: 5173828
    Abstract: A method and apparatus for constraining lateral motion of a tape streaming in a first direction across the transducing face of a magnetic head by provision of at least one arcuate portion of the tape travel path. This arcuate portion is defined by one set of at least three tape guide rollers on a first side of the head. A second set of at least three tape guide rollers may be provided to define a second arcuate portion of the tape guide path on a second side of the head for use when the tape is streaming in a second direction opposite to the first direction across the transducing face of the head.
    Type: Grant
    Filed: November 29, 1990
    Date of Patent: December 22, 1992
    Assignee: Digital Equipment Corporation
    Inventors: Andrew E. Tanzer, George Saliba, Edward L. Steltzer
  • Patent number: D351978
    Type: Grant
    Filed: September 10, 1992
    Date of Patent: November 1, 1994
    Inventor: Andrew E. Tanzer