Patents by Inventor Eric Ricca

Eric Ricca 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).

  • Input keyboard with increased number of keys for an electronic device with a limited number of connecting pins
    Publication number: 20060066577
    Abstract: An electronic device includes a microprocessor connected to an input keyboard comprising primary conductive lines connected to primary areas and to a terminal. It further includes first, second and third secondary conductive lines connected to secondary areas and to a terminal. It further includes input keys each of which, when operated, establishes contact between a primary area of a primary line and a secondary area of a secondary line to place each of these two lines in a high state.
    Type: Application
    Filed: July 5, 2005
    Publication date: March 30, 2006
    Inventors: Philippe Barthelet, Eric Ricca, Pascal Vetu