Patents by Inventor Marc Michel Appell

Marc Michel Appell 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: 4060849
    Abstract: There is disclosed an input/output controller for an information processing system comprising a main memory, a central processing unit, a peripheral controller and a plurality of peripheral units coupled to the central processing unit. In particular, the input/output controller comprises a plurality of physical channels disposed between the peripheral controller and the central processing unit, a plurality of logical channels for transmitting information with the central processing unit, and each uniquely associated with one of the peripheral units. The main memory stores a first table including a physical channel entry containing informaton relative to the plurality of physical channels and a second table including a logical channel entry containing information relative to the plurality of peripheral units.
    Type: Grant
    Filed: October 28, 1975
    Date of Patent: November 29, 1977
    Assignee: Compagnie Internationale pour l'Informatique Cii-Honeywell Bull
    Inventors: Jacques Michel Jean Bienvenu, Jean-Claude Marcel Cassonnet, Marc Michel Appell