Patents Assigned to Ministere de la Culture, de la Communication, des Grands Travaux et du Bicentenaire
  • Modular retroactive keyboard and a flat modular actuator
    Patent number: 5107262
    Abstract: A modular retroactive keyboard fitted with keys permitting to send back to the user a perception characteristic of the key. Each key is an element of an independent flat and parallelepipedic module that includes a motor, a position detector and an electric connector. Each module further includes arrangement for fixing it to the adjacent module, and the keys are connected to a central processing unit for giving them the desired response by acting on the motor and for processing the detector signals.
    Type: Grant
    Filed: October 12, 1989
    Date of Patent: April 21, 1992
    Assignee: Ministere de la Culture, de la Communication, des Grands Travaux et du Bicentenaire
    Inventors: Claude Cadoz, Leszek Lisowski, Jean-Loup Florens