Patents by Inventor Marc Landgraf

Marc Landgraf 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: 5608204
    Abstract: Disclosed is an image-recorder chip having a multiplicity of image cells provided with field-effect transistors disposed in the form of a two dimensional array and having a readout logic. This present invention is directed to the object of projection of high input signal dynamics onto reduced output signal dynamics, and is distinguished by the arrangement of the light-sensitive element of each image cell being connected between one electrode of a first MOS transistor and gate of a second MOS transistor, and by the other electrode of the first MOS transistor being connected to the one pole of a voltage supply source.
    Type: Grant
    Filed: June 26, 1995
    Date of Patent: March 4, 1997
    Assignee: Institut fur Mikroelektronik Stuttgart
    Inventors: Bernd Hofflinger, Marc Landgraf, Ulrich Seger
  • Patent number: 5345424
    Abstract: A reset circuit in a system comprising a microprocessor coupled to a flash memory by a system bus. The reset circuit has a reset signal generation circuit, a sleep signal generation circuit and a reset override signal generation circuit. The reset signal generation circuit generates a reset signal when power is applied to the flash memory. The reset signal causes the flash memory to enter a predetermined reset state. The sleep signal generation circuit is coupled to the reset signal generation circuit. The sleep signal generation circuit generates a sleep signal. The sleep signal causes the reset signal generation circuit to enter an energy saving sleep mode when the flash memory is placed in the sleep mode. The reset signal causes the sleep signal generation circuit to reset and suppress generation of the sleep signal. The reset override signal generation circuit is coupled to the reset signal generation circuit. The reset override signal is generated during power-up.
    Type: Grant
    Filed: June 30, 1993
    Date of Patent: September 6, 1994
    Assignee: Intel Corporation
    Inventor: Marc Landgraf