Patents by Inventor Fran.cedilla.ois Blouin

Fran.cedilla.ois Blouin 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).

  • Touch pad panel with tactile feedback
    Patent number: 5977867
    Abstract: A touch pad such as a keypad or a touch screen is mounted with at least one vibrator to produce a tactile feedback sensed by the user as the pad is touched with a finger or a pointer. The vibrator is controlled by a processor such that it will vibrate for a predetermined length of time in the range of 50 to 1000 ms and at a predetermined amplitude. The vibrator is also selected to vibrate at a frequency between 100 and 5000 hz. The touch screen may be any of the analog resitive, infrared, accoustic, capacitive or electromagnetic inductive type operated devices.
    Type: Grant
    Filed: May 29, 1998
    Date of Patent: November 2, 1999
    Assignee: Nortel Networks Corporation
    Inventor: Fran.cedilla.ois Blouin