Patents by Inventor Eberhard Wolter

Eberhard Wolter 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).

  • Valve means
    Patent number: 6363970
    Abstract: A valve means having at least one valve whose housing is longitudinally divided and comprises housing bodies arranged together alongside one another in a parting region. Cavities in the parting region are defined by mutually complementary recesses in the housing bodies placed against each other. The cavities in part form valve ducts and in part are fitted with functional elements. The funcional elements include at least one valve member and at least two electrically operable valve drives serving for the actuation thereof.
    Type: Grant
    Filed: August 8, 2000
    Date of Patent: April 2, 2002
    Assignee: Festo AG & Co.
    Inventor: Eberhard Wolter
  • Operational amplifier
    Patent number: 4820998
    Abstract: An operational amplifier of the folded-cascode type with: push-pull output terminals; a differential-input transistors; a load impedance in the form of a cascode current source coupled to the differential-input, and a dynamic common-mode negative feedback. A current source transistor in the cascode current source is incorporated into the dynamic common-mode negative feedback.
    Type: Grant
    Filed: September 24, 1987
    Date of Patent: April 11, 1989
    Assignee: Siemens Aktiengesellschaft
    Inventors: Bernward Roessler, Eberhard Wolter
  • Pulse shaper
    Patent number: 4814637
    Abstract: A pulse shaper forms multi-level signals with staircase-shaped level transitions. The formation of these staircase-shaped level transitions takes place through charge exchange between a plurality of connected, component charge-forming charging capacitors and a summing capacitor adding the component charges.
    Type: Grant
    Filed: September 24, 1987
    Date of Patent: March 21, 1989
    Assignee: Siemens Aktiengesellschaft
    Inventors: Bernward Roessler, Eberhard Wolter