Patents by Inventor Lars Westerhoff

Lars Westerhoff 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).

  • Communication system and method for providing a mobile communications service
    Patent number: 8688077
    Abstract: The invention relates to a communication system and a method for providing a mobile telecommunication service. A communication network transmits messages on the basis of at least one internet protocol. A network connection computer connects an access network for mobile computers and the communication network. The access network is equipped with several access points comprising corresponding access point connection computers, which are configured to create a communication connection between variable access points and the mobile computers. An authorization verification computer establishes and manages trusted relationships between several communication elements. The network connection computer and the access point connection computer are configured to execute packet filtering during the receipt and transmission of messages for the secure protection of the communication system.
    Type: Grant
    Filed: August 29, 2005
    Date of Patent: April 1, 2014
    Assignee: Siemens Enterprise Communications GmbH & Co. KG
    Inventors: Alfons Fartmann, Günter Schäfer, Jürgen Totzke, Lars Westerhoff
  • Communication System and Method for Providing a Mobile Communications Service
    Publication number: 20070287422
    Abstract: The invention relates to a communication system and a method for providing a mobile telecommunication service. A communication network transmits messages on the basis of at least one internet protocol. A network connection computer connects an access network for mobile computers and the communication network. The access network is equipped with several access points comprising corresponding access point connection computers, which are configured to create a communication connection between variable access points and the mobile computers. An authorization verification computer establishes and manages trusted relationships between several communication elements. The network connection computer and the access point connection computer are configured to execute packet filtering during the receipt and transmission of messages for the secure protection of the communication system.
    Type: Application
    Filed: August 29, 2005
    Publication date: December 13, 2007
    Applicant: SIEMENS AKTIENGESELLSCHAFT
    Inventors: Alfons Fartmann, Gunter Schafer, Jurgen Totzke, Lars Westerhoff