Patents by Inventor Jozef Duurland

Jozef Duurland 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).

  • Auto reverse cassette deck capable of recording/reproducing with two different cassette types and formats
    Patent number: 5404251
    Abstract: A system is provided which records reproduces signals on/from a magnetic tape in a cassette in longitudinal tracks in two track patterns in two adjacent tape zones which are inscribed/read in opposite directions. The cassettes are non-reversible and comprise one imperforate main wall. Without exception the associated apparatuses comprise, as a standard feature, recording/reproducing signals in the two opposite directions without reversal of the cassette. The system may be constructed as a two-standard system suitable for use with both reversible and non-reversible cassettes in conformity with non-compatible standards on two-standard apparatuses.
    Type: Grant
    Filed: September 2, 1993
    Date of Patent: April 4, 1995
    Assignees: U.S. Philips Corporation, Polygram International Holding B.V.
    Inventors: Jozef Duurland, Bernard H. Timmer, Norbert C. Vollmann