Patents by Inventor Frank Y. Yen

Frank Y. Yen 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: 4960008
    Abstract: The new automatic-manual transmission system includes all of the components of a standard transmission including a conventional gearshift lever and a clutch pedal. In addition, the system includes a gearshift position-selection panel is located apart from the gearshift lever. The panel enables the driver to select the desired gear position of the gearshift lever by manipulating the panel without the necessity of handling the gearshift lever. Also, included is a controller which transforms the driver's gearshift selection to an output signal which corresponds to the gearshift position selected by the driver. The system also includes a linkage means for mechanically repositioning the gearshift lever automatically in accordance with the output signal. The linkage includes two motors, two driving links each pivotally engaged with the motor, a coupler attached to one of the driving links, and a gripper link which is secured to the gearshift lever.
    Type: Grant
    Filed: June 30, 1988
    Date of Patent: October 2, 1990
    Inventors: Frank Y. Yen, David D. Ardayfio