Patents by Inventor Ralf Thomas

Ralf Thomas 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).

  • Patent number: 9035726
    Abstract: A SAW filter circuit having improved ESD resistance is specified, in which a series interconnection composed of SAW resonators is interconnected between a first signal port and a dual-mode SAW filter port. The static capacitance of the series interconnection is at most four times the static capacitance of the dual-mode SAW filter transducers interconnected therewith.
    Type: Grant
    Filed: July 12, 2010
    Date of Patent: May 19, 2015
    Assignee: EPCOS AG
    Inventors: Ralf Thomas, Franz Kubat, Andreas Detlefsen, Markus Hauser
  • Publication number: 20120161903
    Abstract: A SAW filter circuit having improved ESD resistance is specified, in which a series interconnection composed of SAW resonators is interconnected between a first signal port and a DMS port. The static capacitance of the series interconnection is at most four times the static capacitance of the DMS transducers interconnected therewith.
    Type: Application
    Filed: July 12, 2010
    Publication date: June 28, 2012
    Applicant: EPCOS AG
    Inventors: Ralf Thomas, Franz Kubat, Andreas Detlefsen, Markus Hauser