Patents by Inventor Josef Dempf

Josef Dempf 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).

  • Patent number: 4721229
    Abstract: In a document processing facility whose operation is initiated by user-associated authorization cards which can be plugged into a badge reader, a deposit stacker which is not accessible from the outside is provided below the output stacker. A document seating surface is provided in this output stacker, this document seating surface being movable by a drive device back and forth between a document output position and a deposit position, whereby, in the deposit position, an opening in the deposit stacker is exposed, the documents falling into the deposit stacker after being released by braking elements provided in the output stacker.
    Type: Grant
    Filed: January 22, 1986
    Date of Patent: January 26, 1988
    Assignee: Siemens Aktiengesellschaft
    Inventors: Josef Dempf, Erich Moser
  • Patent number: 4682770
    Abstract: A collecting stacker for collecting all documents of a user is provided in the printing mechanism preceding the output stacker, whereby a retention mechanism is provided at the output of the collecting stacker, this retention mechanism opening after the arrival of the last document with respect to the individual user and initiating further transport of all documents contained in the collecting stacker into the output stacker in common. Documents left in the output stacker are subsequently transported to a user inaccessible deposit stacker.
    Type: Grant
    Filed: January 22, 1986
    Date of Patent: July 28, 1987
    Assignee: Siemens Aktiengesellschaft
    Inventors: Josef Dempf, Erich Moser
  • Patent number: 4428267
    Abstract: A digital semiconductor circuit for an electronic organ has a plurality of control inputs addressed via a keyboard and corresponding in number to the number of keys of the organ keyboard, and a plurality of audiofrequency signal inputs addressed with periodic electrical oscillations by an oscillator system. Each control input is associated with a respective key of the keyboard and each audiofrequency signal input is permanently assigned with a respective tone frequency of the highest octave of the organ. The control signals serve to address the control inputs by the keys of the keyboard corresponding to logical levels "1" and "0." The circuit further includes a number t of divider stages in a frequency divider at least equal to a number q of the octaves in the organ keyboard. A number u of a plurality of AND gates in a given group of AND gates is greater than the number q of the octaves in the organ keyboard.
    Type: Grant
    Filed: June 26, 1981
    Date of Patent: January 31, 1984
    Assignee: Siemens Aktiengesellschaft
    Inventors: Helmut Rosler, Otto Muhlbauer, Josef Dempf, Klaus-Dieter Bigall