Patents by Inventor Stephan Grashey

Stephan Grashey 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).

  • Verifying a speaker using random combinations of speaker's previously-supplied syllable units
    Patent number: 7289957
    Abstract: A method for verifying a speaker by a computer is specified in which the speaker utters at least one code word consisting of a random combination of syllable units previously supplied by the speaker. A comparison of this uttered code word with at least one pattern verifies the speaker if the at least one pattern matches the uttered code word with a predetermined minimum quality. The code word is designed in such a manner that it has at least two syllable units, at least one syllable unit being a component of a further code word.
    Type: Grant
    Filed: October 24, 2000
    Date of Patent: October 30, 2007
    Assignee: Siemens Aktiengesellschaft
    Inventors: Stephan Grashey, Wolfgang Kuepper
  • Continuous authentication of the identity of a speaker
    Publication number: 20030074201
    Abstract: The identity of a person is authenticated continuously by speech signals which are included in a multiplicity of phrases spoken by the person.
    Type: Application
    Filed: October 10, 2002
    Publication date: April 17, 2003
    Applicant: Siemens AG
    Inventors: Stephan Grashey, Wolfgang Kuepper