Patents by Inventor Jan Keunecke

Jan Keunecke 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).

  • Arrangement and method for data follow-up for warmup cycles of ink jet print heads
    Patent number: 7431415
    Abstract: In a method and arrangement for data follow-up for warmup cycles of an ink jet print head, a memory stores warmup data of an ink jet print head and a control unit is provided for the driving the ink jet print head and is programmed to implement at least one measurement of the ambient temperature and to access the memory dependent thereon and dependent on predetermined, stored conditions in order to implement a data follow-up corresponding to the temperature-related, history-related and/or user-related conditions for a fast start. Storage of warmup data and data for a first condition ensues upon new installation of an ink cartridge before the first use thereof, and parameter data for second conditions are determined for a fast start given repeated use, and the appertaining warmup data are computationally or tabularly determined given current second conditions.
    Type: Grant
    Filed: May 10, 2004
    Date of Patent: October 7, 2008
    Assignee: Francotyp-Postalia AG & Co. KG
    Inventors: Ulrich Hetzer, Jan Keunecke, Torsten Schlaaff, George G. Gelfer
  • Arrangement and method for data follow-up for warmup cycles of ink jet print heads
    Publication number: 20040212653
    Abstract: In a method and arrangement for data follow-up for warmup cycles of an ink jet print head, a memory stores warmup data of an ink jet print head and a control unit is provided for the driving the ink jet print head and is programmed to implement at least one measurement of the ambient temperature and to access the memory dependent thereon and dependent on predetermined, stored conditions in order to implement a data follow-up corresponding to the temperature-related, history-related and/or user-related conditions for a fast start. Storage of warmup data and data for a first condition ensues upon new installation of an ink cartridge before the first use thereof, and parameter data for second conditions are determined for a fast start given repeated use, and the appertaining warmup data are computationally or tabularly determined given current second conditions.
    Type: Application
    Filed: May 10, 2004
    Publication date: October 28, 2004
    Inventors: Ulrich Hetzer, Jan Keunecke, Torsten Schlaaff, George G. Gelfer
  • Arrangement and method for data follow-up for warmup cycles of ink jet print heads
    Publication number: 20020140755
    Abstract: In a method and arrangement for data follow-up for warmup cycles of an ink jet print head, a memory stores warmup data of an ink jet print head and a control unit is provided for the driving the ink jet print head and is programmed to implement at least one measurement of the ambient temperature and to access the memory dependent thereon and dependent on predetermined, stored conditions in order to implement a data follow-up corresponding to the temperature-related, history-related and/or user-related conditions for a fast start. Storage of warmup data and data for a first condition ensues upon new installation of an ink cartridge before the first use thereof, and parameter data for second conditions are determined for a fast start given repeated use, and the appertaining warmup data are computationally or tabularly determined given current second conditions.
    Type: Application
    Filed: July 24, 2001
    Publication date: October 3, 2002
    Inventors: Ulrich Hetzer, Jan Keunecke, Torsten Schlaaff, George G. Gelfer