Patents by Inventor Herbert Meyerdirks

Herbert Meyerdirks 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).

  • System for supplying power to an apparatus and method for the assessment of the lifetime and capacity of a power-storage device
    Patent number: 5552953
    Abstract: A system for supplying power to an apparatus (170, 175) with a power-storage device (200) for storing electric power, a first measuring device (310) for measuring a first electrical quantity of the power-storage device (200), a time-determining device (360) for determining the time taken for the first electrical quantity to reach a first level, a second measuring device (320) for measuring a second electrical quantity of the power-storage device (200) and a comparator (330) for comparing the second electrical quantity relative to the determined time with a stored typical time-characteristic of the second electrical quantity.
    Type: Grant
    Filed: January 17, 1995
    Date of Patent: September 3, 1996
    Assignee: International Business Machines Corporation
    Inventors: Herbert Meyerdirks, Walter Pietschmann