Patents by Inventor Richard Sbuell

Richard Sbuell 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).

  • ANTENNA INTERFACE HAVING A PAUSE DETECTOR
    Publication number: 20100314444
    Abstract: An antenna interface of a contactless device including a current source configured to provide a current signal which is dependent on a radio frequency field; and a pause detector coupled to the current source and configured to detect a field pause from the current signal and output a field pause signal.
    Type: Application
    Filed: June 10, 2009
    Publication date: December 16, 2010
    Applicant: INFINEON TECHNOLOGIES AG
    Inventors: Richard SBUELL, Albert Missoni, Walter Kargl
  • Chip Card Having an Adjustable Demodulation Unit
    Publication number: 20100060351
    Abstract: The present invention shows a contactless chip card comprising a controllable demodulation unit for demodulating an amplitude-modulated carrier signal, a measuring unit for determining a degree of modulation of the modulated carrier signal, and a control unit for controlling the demodulation unit on the basis of the determined degree of modulation of the carrier signal.
    Type: Application
    Filed: September 10, 2009
    Publication date: March 11, 2010
    Applicant: INFINEON TECHNOLOGIES AG
    Inventors: Walter Kargl, Thomas Leutgeb, Albert Missoni, Richard Sbuell
  • ACTIVELY REGULATED MODULATION INDEX FOR CONTACTLESS IC DEVICES
    Publication number: 20090200383
    Abstract: A contactless IC device including a detection circuit configured to detect a carrier wave that has been amplitude shift-keying (ASK) modulated with digital data and a shunt circuit configured to regulate the carrier wave to a predetermined voltage level.
    Type: Application
    Filed: February 7, 2008
    Publication date: August 13, 2009
    Applicant: Infineon Technologies AG
    Inventors: Thomas Leutgeb, Walter Kargl, Richard Sbuell, Edin Ibrahimagic, Albert Missoni
  • POWER SUPPLY FOR PROVIDING AN INTERNAL POWER SUPPLY VOLTAGE
    Publication number: 20090128354
    Abstract: A power supply for providing an internal supply voltage, the power supply including a current source configured to provide an internal supply voltage directly from its output, and a high speed internal supply voltage shunt, which is coupled to the current source output.
    Type: Application
    Filed: November 19, 2007
    Publication date: May 21, 2009
    Applicant: Infineon Technologies AG
    Inventors: RICHARD SBUELL, Walter Kargl, Albert Missoni
  • EMERGENCY CAPACITOR FOR A CONTACTLESS DEVICE
    Publication number: 20090127934
    Abstract: A power supply for a contactless device having a power supply circuit configured to provide an internal power supply voltage, an emergency capacitor circuit having an emergency capacitor, configured to provide a source current during an external field pause, and a power supply regulator configured to regulate the internal power supply voltage and the source current, wherein the emergency capacitor circuit is electrically coupled in parallel with the power supply circuit.
    Type: Application
    Filed: November 19, 2007
    Publication date: May 21, 2009
    Applicant: Infineon Technologies AG
    Inventors: RICHARD SBUELL, Walter Kargl, Albert Missoni
  • CIRCUIT AND METHOD FOR INTEGRATING A VOLTAGE SIGNAL
    Publication number: 20090085641
    Abstract: A circuit arrangement having a signal input configured to be supplied with a voltage signal; a first operational transconductance amplifier (OTA) having a voltage input that may be coupled to the signal input; at least one second OTA having a voltage input that may be coupled to the signal input; and at least one output capacitor which may be coupled to an output of the first OTA and to an output of the at least one second OTA, wherein an identical potential is set at the outputs of the first OTA and of the at least one second OTA.
    Type: Application
    Filed: September 29, 2008
    Publication date: April 2, 2009
    Applicant: INFINEON TECHNOLOGIES AG
    Inventors: RICHARD SBUELL, ALBERT MISSONI
  • CIRCUIT ARRANGEMENT FOR WIRELESSLY EXCHANGING DATA AND RFID CHIP CARD DEVICE
    Publication number: 20080087723
    Abstract: A circuit arrangement for wirelessly exchanging data with a reader device, including an antenna for converting electromagnetic radiation into an antenna voltage, an analogue circuit for demodulating an information signal based on the antenna voltage, and a digital circuit for processing of the information signal and for receiving power from the analogue circuit. The circuit arrangement also includes a decoupling circuit, which is interconnected between the analogue circuit and the digital circuit and provides a decoupling of both circuits.
    Type: Application
    Filed: February 2, 2007
    Publication date: April 17, 2008
    Applicant: INFINEON TECHNOLOGIES AG
    Inventors: Walter Kargl, Richard Sbuell