Patents by Inventor Kurt Bischof

Kurt Bischof 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).

  • RFID transponder
    Patent number: 9436899
    Abstract: An integrated circuit (1a) for a transponder (1), wherein said integrated circuit (1a) is switchable between a TTF (transponder talks first) and an RTF (reader talks first)-mode within a switching timeframe (TF2), wherein the position of the switching timeframe (TF2) is shif table in relation to a timeframe (TF1) allocated to the TTF-mode. In a preferred embodiment, the switching timeframe (TF2) is before a timeframe (TF1) allocated to the TTF-mode by default. After initialization of the transponder (1), the switching timeframe (TF2) is switched to a position after the timeframe.
    Type: Grant
    Filed: April 4, 2006
    Date of Patent: September 6, 2016
    Assignee: NXP B.V.
    Inventors: Helmut Haar, Kurt Bischof, Heiko Scharke
  • Rfid Transponder
    Publication number: 20080204194
    Abstract: An integrated circuit (1a) for a transponder (1), wherein said integrated circuit (1a) is switchable between a TTF (transponder talks first) and an RTF (reader talks first)-mode within a switching timeframe (TF2), wherein the position of the switching timeframe (TF2) is shif table in relation to a timeframe (TF1) allocated to the TTF-mode. In a preferred embodiment, the switching timeframe (TF2) is before a timeframe (TF1) allocated to the TTF-mode by default. After initialization of the transponder (1), the switching timeframe (TF2) is switched to a position after the timeframe.
    Type: Application
    Filed: April 4, 2006
    Publication date: August 28, 2008
    Applicant: NXP B.V.
    Inventors: Helmut Haar, Kurt Bischof, Heiko Scharke