Patents by Inventor Alexander P. de Koster

Alexander P. de Koster 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).

  • Combination audio/charger jack
    Patent number: 7305253
    Abstract: A personal electronic device includes a multi-function jack that has at least one contact configured for both power and data connections. In an exemplary embodiment, the jack is based on an industry standard audio or barrel jack for compatibility with standard audio or barrel plugs. The shared power and data contact eliminates the need for personal electronic devices, such as mobile telephones, to have separate connectors and/or custom connectors for different types of peripheral devices.
    Type: Grant
    Filed: December 19, 2002
    Date of Patent: December 4, 2007
    Assignee: Sony Ericsson Mobile Communications AB
    Inventors: Thomas D. Snyder, Alexander P. de Koster, Chris Eaton
  • Combination audio/charger jack
    Publication number: 20040204185
    Abstract: A personal electronic device includes a multi-function jack that has at least one contact configured for both power and data connections. In an exemplary embodiment, the jack is based on an industry standard audio or barrel jack for compatibility with standard audio or barrel plugs. The shared power and data contact eliminates the need for personal electronic devices, such as mobile telephones, to have separate connectors and/or custom connectors for different types of peripheral devices.
    Type: Application
    Filed: December 19, 2002
    Publication date: October 14, 2004
    Inventors: Thomas D. Snyder, Alexander P. de Koster, Chris Eaton