Patents by Inventor Petter Busengdal

Petter Busengdal 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: 5629816
    Abstract: The invention pertains to developments for manipulating and referencing a magnetic tape cassette in a magnetic tape device involving loading, read/write and tape drive operation, and unloading. To load and unload the tape cassette, a tape drive bridge on which the magnetic head is mounted is disposed in a standby position out of the way of the path of movement of the tape cassette into and out of the recorder housing. A gripper disposed for longitudinal movement on a gear rack in the recorder housing, is arranged to bite the cassette to automatically carry the cassette inwardly to its fully loaded position and then again move the cassette outwardly to its unloaded position. A lever arm arrangement is provided to appropriately open the dust cover door on the tape cassette, to expose the cassette tape for operational engagement by the magnetic head, as the tape cassette approaches its fully loaded position within the recorder housing. The gear rack serves to activate this lever arm for opening the dust cover.
    Type: Grant
    Filed: December 29, 1994
    Date of Patent: May 13, 1997
    Assignee: Tandberg Data Storage A/S
    Inventors: Petter Busengdal, Jan E. Dilling
  • Patent number: 5548480
    Abstract: A rectangular cylindrical suspension for a data storage drive unit such as a tape drive, the suspension secured into a computer housing, providing resilient leaf springs on a bottom wall and protrusions on a top wall for clasping the data storage drive unit within the cylinder spaced from the top, bottom and side walls of the suspension to create a resilient holding of the data storage drive. The cylindrical suspension can be fashioned of ferromagnetic materials to provide a magnetic shielding as well as a suspension. The suspension prevents dimensional distortion within the data storage drive unit caused by fixedly attaching the suspension to the computer housing where dimensional tolerances may not be accurate.
    Type: Grant
    Filed: November 15, 1994
    Date of Patent: August 20, 1996
    Assignee: Tandberg Data Storage AS
    Inventors: Guttorm Rudi, Ornulf Jansen, Halvor O. Kuifte, Petter Busengdal
  • Patent number: 5440435
    Abstract: The invention pertains to developments for manipulating and referencing a magnetic tape cassette in a magnetic tape device involving loading, read/write and tape drive operation, and unloading. To load and unload the tape cassette, a tape drive bridge on which the magnetic head is mounted is disposed in a standby position out of the way of the path of movement of the tape cassette into and out of the recorder housing. A gripper disposed for longitudinal movement on a gear rack in the recorder housing, is arranged to bite the cassette to automatically carry the cassette inwardly to its fully loaded position and then again move the cassette outwardly to its unloaded position. A lever arm arrangement is provided to appropriately open the dust cover door on the tape cassette, to expose the cassette tape for operational engagement by the magnetic head, as the tape cassette approaches its fully loaded position within the recorder housing. The gear rack serves to activate this lever arm for opening the dust cover.
    Type: Grant
    Filed: July 8, 1993
    Date of Patent: August 8, 1995
    Assignee: Tandberg Data Storage A/S
    Inventors: Petter Busengdal, Jan E. Dilling