Patents by Inventor Ralf Dieter Syldatke

Ralf Dieter Syldatke 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).

  • System for securing a keypad to a housing
    Patent number: 8665220
    Abstract: An electronic device includes an interlocking mechanism for fixing a keypad to a housing of the device. The housing is coupled with the keypad such that the keys may extend to the edges of the electronic device and the edge keys are secured against being removed from the keypad. The edge keys may include a hook or locking mechanism coupled with the housing to prevent uprooting of the edge keys. Another set of hooks or lockings connect the housing with the keypad to prevent bulging of the keypad and to limit lateral movement between the keys or the keypad with the housing.
    Type: Grant
    Filed: September 27, 2011
    Date of Patent: March 4, 2014
    Assignee: Research in Motion Limited
    Inventors: Georg Robert Gustav Steiner, Ralf Dieter Syldatke
  • SYSTEM FOR SECURING A KEYPAD TO A HOUSING
    Publication number: 20130076636
    Abstract: An electronic device includes an interlocking mechanism for fixing a keypad to a housing of the device. The housing is coupled with the keypad such that the keys may extend to the edges of the electronic device and the edge keys are secured against being removed from the keypad. The edge keys may include a hook or locking mechanism coupled with the housing to prevent uprooting of the edge keys. Another set of hooks or lockings connect the housing with the keypad to prevent bulging of the keypad and to limit lateral movement between the keys or the keypad with the housing.
    Type: Application
    Filed: September 27, 2011
    Publication date: March 28, 2013
    Applicant: RESEARCH IN MOTION LIMITED
    Inventors: Georg Robert Gustav Steiner, Ralf Dieter Syldatke