Patents by Inventor Daniel Roger-Rodes

Daniel Roger-Rodes 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).

  • High-speed digital multiply-by-device
    Patent number: 4041296
    Abstract: High speed digital multiply-by-three device comprising a sum generation unit associated with a carry look-ahead unit, the latter comprising means for generating the carry bit C.sub.k.sub.+1 to be fed to the (k+1).sup.th stage of said sum generation unit by performing the logic functionC.sub.k.sub.+1 =X.sub.k.sup.. X.sub.k.sub.-1 +(X.sub.k.sub.-1.sup.. X.sub.K.sub.-2 + . . . + X.sub.k.sub.-1.sup.. X.sub.k.sub.-3.sup.. X.sub.k.sub.-5 . . . X.sub.1) + (X.sub.k.sup.. X.sub.k.sub.-2.sup.. X.sub.k.sub.-3 + . . . + X.sub.k.sup.. X.sub.k.sub.-2.sup.. X.sub.k.sub.-4 . . . X.sub.
    Type: Grant
    Filed: December 3, 1975
    Date of Patent: August 9, 1977
    Assignee: International Business Machines Incorp.
    Inventors: Alain Dauby, Vladimir Riso, Daniel Roger-Rodes