Patents by Inventor Markus Loch

Markus Loch 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).

  • Digital circuit for calculating a logarithm of a number
    Patent number: 5363321
    Abstract: A digital circuit computes the logarithm of a number. The circuit makes the computation by first determining a multiplicity of factors f.sub.i from a predetermined set of factors such that the product of the multiplicity of factors f.sub.i and the number equals the base of the logarithm. A memory stores the logarithms of all the numbers in the predetermined set. The circuit then looks-up and sums the logarithms of the multiplicity of factors f.sub.i, and then subtracts the sum from one to yield the logarithm of the number.
    Type: Grant
    Filed: May 28, 1993
    Date of Patent: November 8, 1994
    Assignee: International Business Machines Corporation
    Inventors: Son Dao Trong, Klaus Helwig, Markus Loch